Appendix C — Autoplot Chart Reference
All 260 Autoplot charts, organized by the category groupings used in the IEM’s own interface. Charts are numbered q=1 through q=262, with gaps at q=214 and q=222 (retired). Descriptions are drawn directly from the chart source code.
Access any chart at: https://mesonet.agron.iastate.edu/plotting/auto/?q={number}
To download the data behind any chart, replace .png with .csv or .xlsx in the chart image URL, or look for the CSV Data / Excel Download links below any generated chart.
Charts marked ★ are highlighted in the guide as particularly useful for weather hobbyists.
Daily
| q | Title | Description |
|---|---|---|
| 51 ★ | Accumulated Station Departures of Precip/GDD/SDD (Automated Stations) | This plot presents accumulated totals and departures of growing degree days, precipitation and stress degree days. |
| 108 ★ | Accumulated Station Departures of Precip/GDD/SDD (Long Term Climate) | This plot presents accumulated totals and departures of growing degree days (GDD), precipitation and stress degree days (SDD). |
| 172 ★ | Accumulated Year to Date / Period Precip / Snowfall / CDD / GDD / HDD | This chart presents year to date accumulated variable for a station of your choice. |
| 149 | Aridity Index (High Temperature minus Precip Departures) | This plot presents a time series of Aridity Index. |
| 11 | ASOS Daily Min/Max Dew Point/Temp/Feels Like/RH for a Year | This plot presents the range between the min and maximum observation of your choice for a given station and a given year. |
| 94 | Bias of 24 Hour High+Low Computation by Hour | This plot looks at the effect of splitting a 24 hour period at different hours of the day. |
| 96 | Bias of 24 Hour Precip Computation by Hour | This plot looks at the bias associated with computing 24 hour precipitation totals using a given hour of the day as the delimiter. |
| 82 | Calendar of Daily Observations from Automated or Climate Sites | This chart presents a series of daily summary data as a calendar. |
| 218 | Daily NWS CLImate Report Infographic | This produces an infographic with some of the information found presented in NWS CLI reports. |
| 180 | Daily Temperature/Precip/Snowfall Climatology | This application plots daily climatology for a location or two of your choice. |
| 32 ★ | Daily Departures / Percentiles / Ranges for One Year | This plot presents a daily time series of variable of your choice. |
| 21 | Change in NCEI 1991-2020 Daily Climatology over X Days | This autoplot intends to show the spatial distribution of the change in temperature or precipitation climatology over a given period of days. |
| 174 | Compare Daily High/Low Temps for ASOS Stations | This application generates a comparison of daily high and low temperatures between two automated ASOS sites of your choosing. |
| 215 | Compare Daily High/Low Temps Distributions over Two Periods of Years | This autoplot generates some metrics on the distribution of temps over a given period of years. |
| 91 | Consecutive Day Statistics of High+Low Temps / Precip | This plot produces statistics on min, max, and average values of a variable over a window of days. |
| 66 | Consecutive Days Frequency by DOY for High/Low/Precip Above/Below Threshold | This chart presents the daily frequency of the given date having the prescribed number of previous days above or below some provided treshold. |
| 216 | Consecutive Days by Year with Daily Summary Variable Above/Below Threshold | This chart presents the longest daily streaks of having some threshold meet. |
| 9 | Cooling/Growing/Heating/Stress Degree Day Daily Values and Climatology | This chart produces the daily climatology of Degree Days for a location of your choice. |
| 49 | Daily/Multi-Day Frequency of Some Threshold/Range (snow, precip, temps) | This plot presents the observed frequency of some daily event happening. |
| 113 ★ | Daily Climatology | Presents the simple daily climatology as computed by period of record data. |
| 176 | Daily/Monthly/Yearly Records Beat Margin | This chart shows the margin by which a new daily high and low temperatures record beat the previously set record. |
| 5 ★ | Daily Records for each month of year | This plot displays the dates with the monthly record of your choice displayed. |
| 31 | Extreme Jumps or Dips in High/Low Temperature over X days | This chart attempts to assess by now much the high temperature can change between two or three periods of time. |
| 147 | Frequency of One Station Warmer/Wetter than Another | This plot presents the daily frequency of the first station having a higher value than the second station. |
| 205 | Frequency of Daily Summary Variables for Automated Stations | The IEM computes daily summaries of ASOS station data based on available station summaries and computed summaries based on available hourly data. |
| 252 | Frequency of Daily Variable Above/Below Threshold over period of days (map) | This autoplot generates a map of the frequency of having at least one day at-or-above or below a given threshold between an inclusive period of days. |
| 7 | Growing Degree Day Periods for One Year by Planting Date | This plot presents the period over which growing degree days were accumulated between the two thresholds provided by the user. |
| 240 | Growing Degree Day Obs + Near Term Forecast | This autoplot combines growing degree day observations along with a near term forecast from the deterministic GFS and NWS NDFD models. |
| 204 | Heatmap of Daily / Trailing Daily Temperature / Precip | This app generates a heatmap-like presentation of daily climate data of your choice. |
| 225 | Heatmap of Distribution of Trailing Departures | Departure from climatology metrics have an annual signal that is a function of the climatology. |
| 61 | High/Low Temp above/below avg OR dry streaks by NWS CLI Sites | This plot presents the current streak of days with a high or low temperature above or at-below the daily average temperature. |
| 19 | Histogram (weathergami) of Daily High/Low Temps + Ranges | This chart displays a histogram of daily high and low temperatures for a station of your choice. |
| 35 | Histogram of X Hour Temp/RH/Dew/Pressure Changes | This plot presents a histogram of the change in some observed variable over a given number of hours. |
| 60 | Hourly Variable Frequencies/Min/Max by Week of Year | This plot presents hourly variable metrics from automated stations. |
| 86 ★ | IEMRE Daily Reanalysis Plots | This map presents a daily IEM ReAnalysis variable of your choice. |
| 249 | IEMRE Hourly Reanalysis Plots | This map presents an hourly IEM ReAnalysis variable of your choice. |
| 139 | Largest / Smallest Local Calendar Day Temperature Differences | This table presents the 10 largest or smallest differences between the lowest and highest air temperature for a local calendar day. |
| 168 | Latest Date of Year for High Temperature | This chart presents the last date of fall or first date of spring that a given temperature threshold was last or first reached. |
| 255 | Leaky Bucket Model for Daily Precip + Evaporation | This autoplot implemments a simple model known as the leaky bucket model. |
| 229 | Lightning Stroke Density Maps | This data is courtesy of Vaisala NLDN . |
| 262 | Top 15 Events for Daily Variables after Offset Days of certain event | This autoplot lists out daily climate observation extremes for a given combination of variable threshold and day offset. |
| 207 ★ | Local Storm Report + COOP Rainfall/Snowfall/Ice Analysis Maps | Generates an analysis map of rainfall, snowfall, or freezing rain data based on NWS Local Storm Reports, NWS COOP Data, and CoCoRaHS. |
| 206 | Map of Daily Automated Station Summaries | Generates analysis maps of ASOS station data for a given date. |
| 97 | Map of Departures/Stats over One Period of Days | This application plots an analysis of station data for a period of your choice. |
| 34 | Max Stretch of Days with High/Low Above/Below Threshold or Climatology | This plot displays the maximum number of consec days above or below some threshold for high or low temperature. |
| 26 | Min Daily Low after 1 July / Max Daily High for year | This plot presents the climatology and actual year’s progression of warmest to date or coldest to date temperature. |
| 126 | Mixing Ratio / Vapor Pressure Deficit Climatology and Yearly Timeseries Plot | This plot presents one of two metrics indicating daily humidity levels as reported by a surface weather station. |
| 84 ★ | MRMS / PRISM / Stage IV / IFC / IEM Reanalysis Estimated Precip (multiday summaries/departures) | This application generates maps of precipitation daily or multi-day totals. |
| 185 | Number of Days to Accumulate an Amount of Precip (MRMS) | This application will make a map with the number of days it takes to accumulate a given amount of precipitation. |
| 256 | NWS Regional Temperature and Precipitation (RTP) Reports by IEM | Due to various software and support issues at the National Weather Service, they generally stopped the generation of Regional Temperature and Precipitation (RTP) reports during 2024. |
| 164 | Percentage of NWS CLI Sites Reporting Daily Above/Below Temps or Precip/Snow | This chart presents a simple accounting of the percentage of first order NWS climate sites that are either above or below average or reporting precipitation / snow each day. |
| 22 | Percentage of Years within Temperature Range from Averages | This plot displays the frequency of a daily high or low temperature being within a certain bounds of the long term NCEI climatology for the location. |
| 83 | Period Averages or Totals of X days around a given day of the year | This plot compares a period of days prior to a specified date to the same number of days after a date. |
| 140 | Period Statistics of Temp/Precip/Wind for a date period each year [ASOS/Automated Stations] | This plot presents statistics for a period of days each year provided your start date and number of days after that date. |
| 107 | Period Statistics of Temp/Precip for a date period each year [COOP/Climate Sites] | This plot presents aggregate statistics by year for a date period of your choice. |
| 182 | Precip (MRMS) Coverage Efficiency by State | This application attempts to assess the effectiveness of a calendar day’s rainfall based on where the rain fell in relation to a previous period of days departure from climatology. |
| 110 | Precip Frequency Bins by Climate Week (climodat) | This plot presents the weekly percentage of precipitation events within a given rainfall bin. |
| 241 | Real-Time Mesoscale Analysis (RTMA) Max/Min Air Temperature | NCEP’s Real-Time Mesoscale Analysis (RTMA) provides a fine scale hourly or in the case of the RTMA Rapid-Update (RTMA-RU), 15 minute interval analysis of a number of atmospheric variables. |
| 43 ★ | Recent (Past 2-3 Days) Timeseries (Meteogram) | This plot presents a time series of observations. |
| 157 | Relative Humidity, Feels Like, Dew Point Climatology by Day of Year | Based on available hourly or better observations, the IEM computes local calendar day statistics for variables like relative humidity, dew point, and feels like (read: windchill or heat index) temperature. |
| 62 | Snow Depth | This chart presents the daily snow depth reports as a image. |
| 199 | ISU Soil Moisture Network Daily Plots | This application generates maps of daily ISU Soil Moisture Network Data. |
| 38 | Solar Radiation Estimates ERA5Land, HRRR, MERRAv2, NARR | This plot presents daily estimates of solar radiation for a given year for the ‘climodat’ stations tracked by the IEM. |
| 25 | Spread of Daily High and Low Temperatures | This plot displays the distribution of observed daily high and low temperatures for a given day and given state or station. |
| 137 | Start Date of Spring/Fall with Statistics | This plot displays some metrics about the start date and duration of the spring or fall season. |
| 4 | State Areal Coverage of Precip Intensity over X Days | Using the gridded IEM ReAnalysis of daily precipitation. |
| 89 | State Areal Coverage/Efficiency of Precip | This is a complex plot to describe! For each 24 hour period (roughly ending 7 AM), the IEM computes a gridded precipitation estimate. |
| 81 | Standard Deviation of Daily Temperatures | This chart presents two measures of temperature variability. |
| 28 | Trailing Number of Days Precip Total Rank | This plot presents trailing day precipitation metrics. |
| 228 | Trailing Standardized Precip (SPI) + Drought Monitor | This visualization mashes up the US Drought Monitor and three trailing day standardized precipitation index of your choice within a map presentation for a single state. |
| 142 | Trailing X Number of Days Temp/Precip Departures | This plot presents the trailing X number of days temperature or precipitation departure from long term average. |
| 132 | Top 10 Precip/Temperature Values by Month/Season | This plot displays the top ten events for a given site and period of your choice. |
| 190 | Year of Daily High/Low Temperature Record | This chart presents the year that the present day climatology record resides. |
Monthly
| q | Title | Description |
|---|---|---|
| 130 | Average High/Low Temperature with/without Snowcover | This chart presents violin plots of the distribution of daily high and low temperatures on dates with and without snow cover by month. |
| 125 | Climatological Maps of Period Averages | This application produces map analysis of climatological averages. |
| 1 | Comparison of Multi-Month Totals/Averages | This app allows the arbitrary comparison of months against other months. |
| 55 | Daily Climatology Comparison | This plot displays a comparison of various daily temperature climatologies. |
| 17 | Daily High/Low Temps or Precip with Climatology | Daily plot of observed daily summary variables along with the daily climatology for the nearest (sometimes same) location. |
| 129 | Daily Observation Percentiles/Frequencies by Month | This chart plots the monthly percentiles that a given daily value has. |
| 15 | Daily Temperature Change Frequencies by Month | This plot displays the directional frequency of day to day changes in high or low temperature summarized by month. |
| 71 | Daily Wind Speed, Gust, and Direction for Single Month | This plot displays daily average wind speeds for a given year and month of your choice. |
| 98 | Day of Month Frequency of meeting temp/precip threshold | This plot produces the daily frequency of a given criterion being meet for a station and month of your choice. |
| 65 | Day of the Month with the coldest/warmest temperature | This plot displays the frequency of a given day in the month having the coldest high or low temperature of that month for a year. |
| 161 | Days per month/season above/below some threshold | This application plots the number of days for a given month or period of months that a given variable was above or below some threshold. |
| 29 | Frequency of Hourly Variable within Range by Month | This plot presents the frequency of a given hourly variable being between two inclusive thresholds. |
| 116 | Cooling/Heating Degree Days monthly totals | This chart presents monthly cooling degree days or heating degree days for a 20 year period of your choice. |
| 42 | Consecutive Hours / Streaks Above/Below Threshold | Based on hourly or better METAR reports, this plot displays the longest periods above or below a given temperature threshold. |
| 154 | Hourly Temperature Averages by Month | This chart presents an average hourly value for a given month or season over the years covering the period of record for the site. |
| 85 | Hourly Frequencies / Last Occurence by Month | Based on IEM archives of METAR reports, this application produces the hourly frequency of a given variable at or above or below a threshold. |
| 20 | Hours of Precip by Month | This chart displays the number of hourly observations each month that reported measurable precipitation. |
| 177 | ISU Soil Moisture Network Timeseries Plots | This application generates time series charts using data from the ISU Soil Moisture Network. |
| 115 | Monthly Heatmap of Summary Totals | This reports presents simple monthy and yearly summary statistics. |
| 2 | Month Precip vs Month Growing Degree Day Departures | This plot compares the growing degree day vs precipitation departure for a given month and station. |
| 223 | Monthly/Seasonal Partition of Temperature/Precip Reports | This chart presents the monthly/seasonal partition of how a daily observed climate variable is observed. |
| 57 | Monthly Precip/Temperature Records or Climatology | This plot displays the monthly records or climatology for a station of your choice. |
| 95 | Monthly Precip/Temperature with El Nino SOI Index Relationship | This chart displays the combination of average temperature and total precipitation for one or more months of your choice. |
| 24 | Monthly Precip/Temperature Climate District / Statewide Ranks/Aridity | The map presents IEM computed climate district or statewide values for a metric of your choice. |
| 3 | Monthly/Yearly Precip/Temperature Statistics by Year | This plot displays a single month’s worth of data over all of the years in the period of record. |
| 6 | Monthly Precip/Temperature Distributions | This application plots out the distribution of some monthly metric for single month for all tracked sites within one state. |
| 8 | Monthly Precip Reliability | This plot presents the frequency of having a month’s preciptation at or above some threshold. |
| 23 | Monthly Station Departures + El Nino 3.4 Index Time Series | This plot presents the combination of monthly temperature or precipitation departures and El Nino index values. |
| 36 | Month warmer/wetter than other Month for Year | This plot summarizes the frequency of one month being warmer/wetter than another month for that calendar year. |
| 58 | One Day’s Precip Greater than X percentage of Monthly Total | Displays the number of times that a single day’s precipitation was greater than some portion of the monthly total. |
| 41 | Quantile / Quantile Plot of Daily Temperatures for Two Months/Periods | This plot compares the distribution of daily temperatures for two months or periods for a single station of your choice. |
| 47 | Snowfall vs Precip Total for a Month | This chart displays the combination of liquid precipitation with snowfall totals for a given month. |
| 39 | Scenarios for this month besting some previous month | This plot compares the month to date average temperature of this month against any previous month of your choice. |
| 138 | Wind Speed and Wind Direction Monthly Climatology | This graph presents monthly average wind speed values along with vector-averaged average wind direction. |
| 173 | Wind Speed Hourly Climatology by Month or Period | This chart presents the hourly average wind speeds by month of the year or by custom periods. |
Yearly
| q | Title | Description |
|---|---|---|
| 135 | Accumulated Days with High/Low Above/Below Threshold | This plot displays the accumulated number of days that the high or low temperature was above or below some threshold. |
| 246 | Accumulated GDD/Precip Threshold Frequency by Day of Year | This autoplot generates a probability of a specified accumulation threshold being reached by the given calendar date. |
| 76 | Dew Point / Vapor Pressure Deficit / RH Distributions by Year or Season | Simple plot of yearly average dew points by year, season, or month. |
| 125 | Climatological Maps of Annual/Monthly Averages | This application produces map analysis of climatological averages. |
| 151 | Difference between two periods or single period of years [map] | This autoplot can either produce a plot of averages for a given period or annual over a period of years; or a difference between a second set of years. |
| 187 | Compare one station yearly summary vs entire state | This chart presents the rank a station’s yearly summary value has against an unweighted population of available observations in the state. |
| 244 | Compare NCEI Climdiv to IEM Climodat Statewide Values | The IEM attempts to create areal averaged climate values akin to what NCEI has with its “Climdiv” dataset. |
| 128 | Comparison of Yearly Summaries between two stations | This chart compares yearly summaries between two long term climate sites. |
| 99 ★ | Daily High + Low Temperatures with Departures | This plot produces a time series difference between daily high and low temperatures against climatology. |
| 12 | Days per year and first/latest date above/below given threshold | This plot presents the yearly first or last date of a given high or low temperature along with the number of days that year above/below the threshold along with the cumulative distribution function for the first date! When you select a low temperatur |
| 184 | Days per year with High Temperature above temperature thresholds | This plot shows the number of days with a high temperature at or above a given threshold. |
| 74 | Days per year by season or year with temperature above/below threshold | The number of days for a given season that are either above or below some temperature threshold. |
| 181 | Days per year with temp/precip/snowfall within ranges | This application plots frequencies of a variable of your choice for five bins of your choice. |
| 13 | End/Start Date of Summer (warmest 91 day period) per Year | This chart presents the start or end date of the warmest 91 day period each year. |
| 27 | First Fall Temp Below Threshold (First Freeze/Frost) | This chart presents the date of the first fall (date after 1 July) temperature below threshold 1 and then the number of days after that date until threshold 2 was reached. |
| 165 | First / Last Date of Air/Soil Temperature Threshold [map] | This app generates a map showing either an explicit year’s first or last date or the given percentile (observed frequency) date over all available years of a given temperature threshold. |
| 119 | Frequency of First/Last Fall High/Low Temp by Day of Year | This chart presents the accumulated frequency of a temperature threshold being the first time observed or last time observed during the fall season. |
| 120 | Frequency of Last Spring High/Low Temperature by Day of Year | This chart presents the accumulated frequency of having the last spring temperature at or below a given threshold. |
| 189 | General yearly totals with trend line fitted | Create plots of yearly totals and optionally fit a linear trendline. |
| 179 | Growing Degree Day Scenarios For This Year | This application creates two 2-D histograms of GDD accumulation frequencies. |
| 152 | Growing Season Differences Map between Two Periods | This map produces an analysis of change in the number of days for the growing season. |
| 148 | Holiday or Same Day Daily Weather Observations each year | This plot presents a daily observation for a site and year on a given date / holiday date each year. |
| 53 | Hourly Frequency of Variable within Certain Ranges | Based on hourly observations, this plot displays the frequency of a given variable falling within a set of thresholds. |
| 10 | Last Spring and First Fall Date above/below given threshold | This plot presents the period between the first or last date for spring and fall season that the temperature was above or below some threshold. |
| 64 | Last or First Snowfall of Each Winter Season | This chart displays either the first or last date of the winter season with a snowfall of a given intensity. |
| 33 | Maximum Low Temperature Drop | This plot presents the largest drop in low temperature during a period between 1 July and 30 June of the next year, but not including the July data of that year. |
| 188 | Max/Min High/Low after first temperature exceedence of season | This plot presents the yearly minimum temperature after the first spring temperature above a given value or the maximum temperature after the first fall temperature below a given value. |
| 105 | Maximum Period between Precip Amounts | This plot presents three precipitation metrics for a site of your choice. |
| 46 | Minimum Wind Chill / Max Heat Index Temperature | This chart presents the frequency of observed minimum wind chill or maximum heat index over the period of record for the observation site. |
| 30 | Monthly Temperature Range | This chart presents the range between the warmest high temperature and the coldest low temperature for a given month for each year. |
| 44 ★ | NWS Office Accumulated SVR+TOR Warnings | This plot displays an accumulated total of office issued watch, warning, advisories. |
| 69 | Percentage of Days each Year Above/Below Average | The frequency of days per year that the temperature was above/below average. |
| 77 | Period between Last and First High Temperature for Year | For each year, the average first and last date of a given temperature is computed. |
| 134 | Period each year that was warmest/coldest/wettest/driest | This plot displays the period of consecutive days each year with the extreme criterion meet. |
| 75 ★ | Precip Totals by Season/Year | Simple plot of seasonal/yearly precipitation totals. |
| 63 ★ | Records Set by Year (Max High / Min Low / Max Precip) | This chart plots the number of daily maximum high temperatures, minimum low temperatures and precipitation records set by year. |
| 144 | Soil Temperature Periods Above/Below Threshold in Spring | This plot uses hourly 4 inch depth soil temperature observations from the ISU Soil Moisture Network. |
| 145 | Soil Temperature / Moisture Daily Time Series by Year | This chart presents daily timeseries of soil temperature or moisture. |
| 175 | Snow Coverage Percentage for State For One Winter | This chart displays estimated areal coverage of snow cover for a single state. |
| 133 | Snowfall Season Totals Split by Date within Season | This plot displays the total reported snowfall for a period prior to a given date and then after the date for the winter season. |
| 103 | Step Ups in High Temp / Step Downs in Low Temp by Year | This plot analyzes the number of steps down in low temperature during the fall season and the number of steps up in high temperature during the spring season. |
| 100 ★ | Temperature / Precip Statistics by Year | This plot displays a metric for each year. |
| 136 | Time per Winter Season below Wind Chill Threshold | This plot displays the number of accumulated hours below a given wind chill temperature threshold by season. |
| 104 | Trailing X day temp/precip departures (weather cycling) | This plot presents the time series of trailing X number of day departures evaluated every Y days forward in time. |
| 14 | Yearly Precip Contributions by Daily Totals | Using long term data, five precipitation bins are constructed such that each bin contributes 20% to the annual precipitation total. |
Hydrology / Drought Monitor Plots
| q | Title | Description |
|---|---|---|
| 160 ★ | River Gauge Obs and Forecasts from HML Products | This page presents a sphagetti plot of river stage and forecasts. |
| 178 | NWS RFC Flash Flood Guidance Plots | This application plots Flash Flood Guidance for a time of your choice. |
| 183 | US Drought Monitor Areal Coverage by State | This plot presents a time series of areal coverage of United States Drought Monitor for a given state of your choice. |
| 186 | US Drought Monitor Change in Areal Coverage by State | This plot shows the weekly change in drought monitor intensity expressed in terms of category change over the area of the selected state. |
| 194 | US Drought Monitor Time Duration over Period Maps | This application generates a heatmap of the frequency of a given drought classification. |
| 193 | US Drought Monitor + Weather Prediction Center (WPC) Forecast Rain (QPF) | Generates a map of WPC Quantitative Precipitation Forecast (QPF) and most recent US Drought Monitor to the date choosen to plot the WPC forecast |
| 231 | Weekly Statewide SPI Changes and Drought Classification | This autoplot produces an infographic for a given state with some diagnostics on the weekly change in Standardized Precipitation Index (SPI) over a given day interval. |
METAR ASOS Special Plots
| q | Title | Description |
|---|---|---|
| 78 | Average Dew Point/RH% by Air Temperature by Month or Season or Year | This plot displays the average dew point at a given air temperature along with the envelope between the 5th and 95th percentile. |
| 40 | Cloud Amount and Level Timeseries / Visibility for One Month | This chart is an attempted illustration of the amount of cloudiness that existed at a METAR site for a given month. |
| 88 | Cloudiness Impact on Hourly Temperatures | This plot attempts to show the impact of cloudiness on temperatures. |
| 214 | Combos of Hourly Observations Var Vs Var | |
| 59 | Daily u and vs Wind Component Climatologies | This plot presents a climatology of wind observations. |
| 79 | Dew Point Distribution by Wind Direction by Month or Season or Year | This plot displays the average dew point at a given wind direction. |
| 54 | Difference between morning low or afternoon high temperature between two sites | This application plots the difference in morning low or afternoon high temperature between two sites of your choice. |
| 250 | Difference between two ASOS/METAR stations for a given hourly variable | This autoplot presents some metrics when comparing a single variable between two airport weather stations. |
| 167 | Flight / Aviation Condition (VFR, MVFR, IFR, LIFR) hourly for one month | This chart summarizes Flight Category by hour and day of a given month. |
| 87 | Frequency of METAR Code (Thunder, etc) by week or day by hour | Frequency plot partitioned by hour and day or week of the year for a given METAR code to appear in the present weather. |
| 131 | Frequency of Overcast Clouds / Clear Skies by Air Temperature by month/season | This plot displays the frequency of having overcast or clear sky conditions reported by air temperature. |
| 93 | Heat Index / Temperature / Dew Point / Wind Chill Hourly Histogram | Caution: This plot takes a bit of time to generate. |
| 192 | Hourly Analysis Maps of ASOS/METAR Stations | Generates analysis maps of ASOS station data. |
| 153 | Hourly Extremes by Month/Season/Day Period/Year | This table presents the extreme hourly value of some variable of your choice based on available observations maintained by the IEM. |
| 159 | Hourly Frequency / Histogram by year and by hour of day | Based on available hourly observation reports by METAR stations, this application presents the frequency of number of hours for a given month or season at a given threshold. |
| 106 | Hourly variable distributions on days exceeding threshold | This plot displays hourly variable distributions on dates that meet the criterion for having at least one observation at the given threshold. |
| 202 | Hourly variable comparison between two hours on one day | This application presents daily comparisons of an automation station’s hourly data. |
| 169 | Largest Rise/Drop in Temp/Dew Point/Pressure over X Hours | This chart presents the largest change in some observed variable over a given number of hours. |
| 18 | Long term observation time series | This chart displays a simple time series of an observed variable for a location of your choice. |
| 45 | Monthly Frequency of Overcast Conditions | Computes the frequency of having an overcast sky reported. |
| 170 | Monthly Frequency of Present Weather Code in METAR Report | This chart totals the number of distinct calendar days or hours per month that a given present weather condition is reported within the METAR data feed. |
| 67 | Monthly Frequency of Wind Speeds by Air Temperature | This plot displays the frequency of having a reported wind speed be above a given threshold by reported temperature and by month. |
| 37 ★ | MOS Forecast Ranges + ASOS Observations | This chart displays the combination of Model Output Statistics (MOS) forecasts and actual observations by the automated station the MOS forecast is for. |
| 211 | One Minute Interval Plots | This application generates charts of 1 minute interval ASOS data, where available. |
| 222 | One Minute Precip During Severe Weather | |
| 162 | Cloud Ceilings 2D Histogram (Level by Week) | This plot presents a 2-D histogram of reported cloud ceilings as inferred by the METAR cloud amount reports of at least BKN (broken) or OVC (overcast) from the automated sensor. |
| 213 | Percentiles of Hourly ASOS Data by Day, Week, Month, or Year | This application generates percentiles based on available data from the selected station. |
| 146 | Temperature Frequency by Week During Precip | This chart displays the frequency of having measurable precipitation reported by an ASOS site and the air temperature that was reported at the same time. |
| 155 | Top 10 / Most Recent Hourly Reports from ASOS Stations | Based on available hourly observation reports by METAR stations, this application presents the top 10 events for a given metric of your choice. |
| 16 | Wind Rose when specified criterion is meet | This application generates a wind rose for a given criterion being meet. |
NASS Quickstats (USDA Crop Statistics)
| q | Title | Description |
|---|---|---|
| 238 | NASS County Yield Maps | This app generates maps of yearly USDA NASS county yield estimates. |
| 239 | NASS County Yields + Weather Station Summaries | This autoplot combines the USDA NASS county yield estimates with summarized weather variables from a single weather station. |
| 156 | NASS Crop Condition by Year for Six States | This chart presents crop condition reports from USDA/NASS. |
| 127 | NASS Crop Progress by Year | This chart presents the crop progress by year. |
| 197 | NASS Crop Progress State Average Map | This generates a map showing USDA NASS weekly statistics. |
| 209 | NASS Crop Progress Weekly Change | This plot presents the weekly change in a given USDA NASS Crop Progress report variable. |
NWS Warning Plots
| q | Title | Description |
|---|---|---|
| 196 | ASOS/METAR Heat Index / Wind Chill Frequencies by NWS Alert Headline | This plot presents a frequency of having either a heat index or wind chill advisory/warning active for a given computed feels like temperature. |
| 232 | ASOS/METAR Time Series during NWS Alert Headline (Blizzard / Fire / Fog / Wind / Heat / Wind Chill) | This app plots ASOS/METAR data during a period of your choice and overlays NWS Watch, Warning, and Advisory data. |
| 191 | Calendar Plot of Watch/Warn/Adv Daily Counts | This application presents a calendar of daily counts of the number of watch, warning, advisories issued by day. |
| 253 | NWS Damage Assessment Toolkit (DAT) Tornado Tracks + Lead Time | This autoplot combines NWS Damage Assessment Toolkit (DAT) tornado tracks (lines) with Tornado Warning (polygons) to provide along track estimates of lead time. |
| 92 ★ | Days since Last Watch/Warning/Advisory by WFO | This map depicts the number of days since a Weather Forecast Office has issued a given VTEC product. |
| 72 | Frequency of Watch/Warning/Advisories by Time of Day | This chart presents a histogram of the Watch, Warning, Advisory valid time. |
| 50 | Frequency of Hail/Wind Tags used in Severe TStorm Warnings | This app produces a table of frequencies of wind and hail tags used in NWS Severe Thunderstorm Warnings. |
| 52 ★ | Gantt Chart of Watch/Warning/Advisories by WFO or UGC | Gantt chart of watch, warning, and advisories (WaWa) issued by an NWS Forecast Office for a start date and number of days of your choice. |
| 245 | Local Storm Reports by Month/Year + Top 10 Daily | This chart presents the total number of Local Storm Reports disseminated by the NWS by month and year. |
| 234 | Local Storm Reports Calendar Counts | This autoplot generates a calendar showing calendar day Local Storm Report totals by NWS Weather Forecast Office (WFO) or State. |
| 163 | Local Storm Reports Issued by WFO/State [map] | This application generates a map displaying the number of LSRs issued between a period of your choice. |
| 102 | Local Storm Report Source Type Ranks by Year | The National Weather Service issues Local Storm Reports (LSRs) with a label associated with each report indicating the source of the report. |
| 237 | Map of WFO/CWSU Miscellaneous Event Counts (SPS/CWA) | This autoplot is a bit of a catch-all for mapping event counts at a WFO or CWSU map unit. |
| 260 | Map of WFO Watch/Warning/Advisories over a Time Period | This autoplot maps out the issued NWS Watch/Warning/Advisory events over a given time period of your choice. |
| 44 ★ | NWS Office Accumulated Watch/Warning/Advisories by Year | This plot displays an accumulated total of office issued watch, warning, advisories. |
| 68 | Number of Distinct Phenomena/Significance VTEC per Year | This chart shows the number of VTEC phenomena and significance combinations issued by a NWS Forecast Office for a given year. |
| 73 | Number of Watch/Warning/Advisories Issued per Year | This chart displays the number of products issued by a NWS Office or state by year for a given watch, warning, or advisory of your choice. |
| 171 | Number of Watch/Warning/Advisories Issued per Year per Month + Top 10 Daily | This chart displays the monthly number of distinct NWS Office issued watch / warning / advisory product. |
| 247 | NWS Watch Warning Advisory (WaWa) Map + Population Stats | This autoplot generates a map of active NWS Watch, Warnings, and Advisories active at the given timestamp. |
| 251 | NWS Warning Load Time Series | The purpose of this autoplot is to generate a time series of NWS warning load with time for short fuse warnings. |
| 70 | Period between First and Last VTEC Product Each Year | This chart attempts to display the period between the first and last VTEC enabled watch, warning or advisory issuance by year. |
| 248 | Period between First and Last SPC/WPC Outlook each Year | This chart displays the period each year between the first and last SPC/WPC outlook type for a given NWS forecast office, state or county. |
| 224 | Population/Area under NWS Watch/Warning/Advisory at Time | This autoplot attempts to estimate the number of people or area in the US under a given NWS Watch/Warning/Advisory (WaWA). |
| 203 | Storm Based Warning Polygon Visual Summary | This application generates a visual summary of polygons issued for a given UTC date. |
| 195 | Storm Motion distribution based on NWS Warnings | Some of the warnings that the National Weather Service issues includes a storm motion vector. |
| 201 | SPC Convective/Fire Wx or WPC Excessive Rainfall Outlook Calendar | This application presents a calendar of Storm Prediction Center or Weather Prediction Center outlooks by state, WFO, or county. |
| 258 | SPC Convective/Fire Wx or WPC Excessive Rainfall Outlook Progression for Lat/Lon | This tool generates an info-graphic with the progression of outlooks for a given point and date. |
| 230 | SPC Convective/Fire Wx or WPC Excessive Rainfall Last Event Infographic | This application presents an infographic showing the most recent date of a given SPC outlook threshold as per IEM unofficial archives. |
| 200 | SPC + WPC Outlook Heatmap | This application generates heatmaps of Storm Prediction Center convective outlooks. |
| 143 | Special Weather Statements (SPS) Polygon Count by Year by Month | The NWS issues Special Weather Statements (SPS) products that often cover events that are just below severe limits and/or not covered by other headline products. |
| 233 | Special Weather Statements (SPS) Polygon Calendar of Daily Counts | This calendar presents the number of Special Weather Statements that contain polygons issued per day. |
| 166 | Storm Prediction Center (SPC) Watches per Year for a State | This plot presents a summary of the number of year to date watches issued by the Storm Prediction Center and the percentage of those watches that at least touched the given state, county warning area, or fema region. |
| 210 | Text Product Frequency Maps | This application generates a map of the per WFO office usage of a given text product identifier based on unofficial IEM archives of NWS Text Product data. |
| 235 | Text Product Issuance Counts by Month + Year | This autoplot presents the total number of text products issued by UTC month and year. |
| 261 | Text Product Issuance Heatmap by Hour / Day | This chart presents a heatmap of the issuance hour of a given NWS Text Product. |
| 48 | Time of Day Frequency for Given Warning / UGC | For a given watch/warning/advisory type and forecast zone, what is the frequency by time of day that the product was valid. |
| 80 | Time Duration of a Watch/Warning/Advisory for a UGC/WFO | This plot presents the accumulated frequency of duration for a given NWS VTEC Watch, Warning, Advisory product. |
| 243 | Top 10 VTEC Event Days/Multi-Day by Year/Month | This autoplot prints out the top 10 dates for number of VTEC events issued. |
| 101 | Top 25 Most Frequent VTEC Products by Office/NWS | This chart displays the relative frequency of VTEC products. |
| 259 | UGC Geometry Change Diagnostic | This tool generates a diagnostic plot of how a given NWS UGC geometry has changed over time. |
| 56 | Weekly/Daily/Monthly Frequency of a Watch/Warning/Advisory | This chart shows the time partitioned frequency of having at least one watch/warning/advisory (WWA) issued by the Weather Forecast Office (top plot) and the overall number of WWA issued events (bottom plot). |
| 109 ★ | WFO / State VTEC Event Counts/Time Coverage Percent/Num Days for a Given Period (map) | This application generates per WFO or state maps of VTEC event counts. |
| 208 | WFO VTEC Single Event Map Plot (map) | This application generates a map showing the coverage of a given VTEC alert. |
| 90 | UGC or Polygon SBW Statistics for Watch/Warning/Advisory by state/wfo | This application has a considerable and likely confusing amount of configuration options. |
Tall Towers Plots
| q | Title | Description |
|---|---|---|
| 158 | Tall Towers - 1 Second Interval Time Series | This plot presents one second data from the Iowa Atmospheric Observatory Tall-Towers sites overseen by Dr Gene Takle. |
Upper Air / RAOB Sounding Plots
| q | Title | Description |
|---|---|---|
| 198 | Monthly Max/Min/Avgs for Sounding Parameter or Variable at Given Level | This plot presents a simple average of a given sounding variable of your choice. |
| 150 | Single Sounding Mandatory Level Percentile Ranks | This plot presents percentiles of observations from a given sounding profile against the long term record for the site. |
| 212 | Sounding Parameter / Variable Yearly Timeseries | This plot presents the daily climatology range of a sounding variable along with a given year’s values. |
Miscellaneous
| q | Title | Description |
|---|---|---|
| 226 | Center Weather Advisory (CWA) Map | This plot is not meant for interactive use, but a backend for CWA plots. |
| 257 | HRRR Comprehensive Climate Index (CCI) | This tool plots the Comprehensive Climate Index (CCI) based on HRRR model data. |
| 221 | HRRR Time-Lagged Ensemble Reflectivity Plot | The NCEP deterministic HRRR model forecast produces a post processed field that is meant to resemble RADAR reflectivity. |
| 242 | Local Storm Report (LSR) Simple Map | Presently, this autoplot is a backend for generating Local Storm Report social media graphics. |
| 254 | NEXRAD Level III Latency over NOAAPort | Map of NEXRAD Level III Latencies over NOAAPort or Realtime-ness. |
| 227 | NWEM / NWS Non-VTEC Products containing a polygon | This plot is not meant for interactive use, but a backend for NWEM plots. |
| 236 | PIREP Daily Counts by ARTCC / Alaska Zone | This autoplot presents a time series of UTC daily PIREP totals by ARTCC or Alaska Zone. |
| 220 | SPC Convective / Fire Weather / WPC Excessive Rainfall Outlook Graphics | This app generates infographics for the Storm Prediction Center or Weather Prediction Center outlooks. |
| 217 | SPS Special Weather Statement Maps | This plot is not meant for interactive use, but a backend for SPS plots. |
| 219 | Terminal Aerodrome Forecast (TAF) Infographic | This app generates infographics for Terminal Aerodrome Forecasts (TAF). |