Rivers & flooding · preview
Read the water
as it moves.
A calm, source-first view of Pennsylvania and regional stream gauges. Start with the map, then open a gauge for current stage, discharge, thresholds, and the last seven days of movement.
DEMO FIXTURE · not an official warning source. Every value in this review build is deterministic example data, never a live observation. Check official NWS, NWPS, USGS, and local emergency-management sources for warnings, decisions, and safety instructions.
Pennsylvania + regional context
Gauge map
Choose a point to inspect its fixture state.
Fresh observation
Near threshold
Flood context
Stale / unavailable
schematic preview map · not navigational
Loading deterministic gauge fixture…