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
Chesapeake Bay at Little Annemessex River at Crisfield MD (MLLW), MD
- Gauge
- Tide gauge (coastal water level) · CRSM2 · NWS AKQ
- Observed
- Not flooding now: observed below action stage (where officials start to act), or not reporting. Listed for its forecast.
- Forecast
- Forecast issued · highest 3.4 ft at : action stage
- Stages
- Action 3 ft · Flood (minor) 3.5 ft · Moderate 4 ft · Major 5 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 CRSM2 On the Live tracker’s map River flood warnings in Maryland
Rain and rivers in Maryland
- Expected rain: 0.75 in or more at its highest in Maryland, 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: 2 to 3 in at its highest in Maryland, 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 Maryland, by NWS’s lists read . Moderate flooding Atlantic Coast at OCEAN CITY INLET (IN MLLW), MD. Not flooding now: observed below action stage (where officials start to act), or not reporting. Listed for its forecast. Forecast issued · crest 4.6 ft at · below flood stage (4 ft) by : moderate 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 Maryland
One gauge in flood in Maryland, observed or forecast. Choose one for its forecast hydrograph.
Moderate flooding 1
- Forecast: moderate flooding Atlantic Coast at OCEAN CITY INLET (IN MLLW), MDNot flooding now: observed below action stage (where officials start to act), or not reporting. Listed for its forecast.Forecast issued · crest 4.6 ft at · below flood stage (4 ft) by : moderate flooding
Action stage, not flooding 7
Action stage is the level at which NWS and local officials begin to act; the water is not yet at flood stage.
- Observed: action stage Severn River at Annapolis (IN MLLW), MDObserved 2.58 ft at : action stageForecast issued · highest 2.5 ft at : action stage
- Observed: action stage Northwest Branch Patapsco River at Baltimore/Fort McHenry (IN MLLW), MDObserved 2.55 ft at : action stageForecast issued · highest 2.6 ft at : action stage
- Forecast: action stage Chesapeake Bay at Bishops Head (IN MLLW), MDNot flooding now: observed below action stage (where officials start to act), or not reporting. Listed for its forecast.Forecast issued · highest 3.1 ft at : action stage
- Observed: action stage Chesapeake Bay at Cambridge (IN MLLW), MDObserved 3.08 ft at : action stage
- Forecast: action stage Chesapeake Bay at Little Annemessex River at Crisfield MD (MLLW), MDNot flooding now: observed below action stage (where officials start to act), or not reporting. Listed for its forecast.Forecast issued · highest 3.4 ft at : action stage
- Forecast: action stage Patuxent River at Solomons Island (IN MLLW), MDNot flooding now: observed below action stage (where officials start to act), or not reporting. Listed for its forecast.Forecast issued · highest 2.8 ft at : action stage
- Forecast: action stage St. George Creek at Straits Point (IN MLLW), MDNot flooding now: observed below action stage (where officials start to act), or not reporting. Listed for its forecast.Forecast issued · highest 3.1 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
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.