Observed gauges / Forecast gauges / NWS warnings: feeds current
Observed gauges: Feed current; checked .
Forecast gauges: Feed current; checked .
NWS warnings: Feed current; checked .
Checked means retrieved, not newly issued. Each graphic retains its issue, observation, initialization or valid time. Site publishing status is separate.
Action stage
Schuylkill River at Philadelphia near 30th Street, PA
- Gauge
- River gauge · PHDP1 · NWS PHI
- Observed
- Not flooding now: observed below action stage (where officials start to act), or not reporting. Listed for its forecast.
- Forecast
- Forecast issued · highest 5.1 ft at : action stage
- Stages
- Action 5 ft · Flood (minor) 9 ft · Moderate 11 ft · Major 14 ft
Forecast hydrograph
Impacts and the full forecast are read for gauges in flood; this one is at action stage.
NWS’s statements for this gauge’s water at each stage, up to the highest observed or forecast. A gauge does not say whether a particular road or neighbourhood near it floods.
NWPS’s page for PHDP1 On the Live tracker’s map River flood warnings in Pennsylvania
Rain and rivers in Pennsylvania
- Expected rain: below WPC’s lowest contour (0.01 in) in Pennsylvania, in WPC’s forecast for the 24 hours to . An amount for the area its contour covers, not a total for any one street.
- Rain that fell: under 0.01 in at its highest in Pennsylvania, in the 24 hours to , by MRMS’s radar estimate over a grid about 5 km across: a measurement of the past, not corrected to rain gauges.
- Rivers: 1 gauge in flood in Pennsylvania, by NWS’s lists read . Minor flooding Delaware River at USCG Station Washington Street (IN MLLW), PA. Not flooding now: observed below action stage (where officials start to act), or not reporting. Listed for its forecast. Forecast issued · crest 8.4 ft at · below flood stage (8.2 ft) by : minor flooding. A gauge measures its river at that spot, not whether a road or a neighbourhood floods.
Three sources, each its own window. None is a chance of flash flooding, which is WPC’s outlook above; a flash flood is a warning’s. Gauges in the Live tracker
On the Briefing’s map
- Flash-flood risk WPC’s Excessive Rainfall Outlook: a chance, in four categories
- Expected rain WPC’s 24-hour rain forecast, in inches
- Rain that fell MRMS’s radar estimate for the past 24 or 72 hours
River, coastal and lake gauges in Pennsylvania
One gauge in flood in Pennsylvania, observed or forecast. Choose one for its forecast hydrograph.
Minor flooding 1
- Forecast: minor flooding Delaware River at USCG Station Washington Street (IN MLLW), PANot flooding now: observed below action stage (where officials start to act), or not reporting. Listed for its forecast.Forecast issued · crest 8.4 ft at · below flood stage (8.2 ft) by : minor flooding
Action stage, not flooding 1
Action stage is the level at which NWS and local officials begin to act; the water is not yet at flood stage.
- Forecast: action stage Schuylkill River at Philadelphia near 30th Street, PANot flooding now: observed below action stage (where officials start to act), or not reporting. Listed for its forecast.Forecast issued · highest 5.1 ft at : action stage
A gauge measures its water at that one place. Flash flooding, which comes in hours from heavy rain, is in the warnings as Flash Flood Warnings; a river can be in flood with no rain falling.
Gauges observed checked · Data: NOAA/NWS
Gauges forecast checked · Data: NOAA/NWS
Gauge impacts and forecasts checked · Data: NOAA/NWPS
Pennsylvania flash-flood briefing
Not an official warning service. Warnings and watches are the National Weather Service’s, outlooks and reports the Storm Prediction Center’s and the Weather Prediction Center’s (Data: NOAA/NWS, NOAA/SPC, NOAA/WPC). When a warning is issued for you, act on it, and use weather.gov or a NOAA Weather Radio for where you are.