Excessive Rainfall Outlook
The Excessive Rainfall Outlook (ERO) highlights areas where significant flash flooding is possible over the next 3 days. These forecasts from the Weather Prediction Center identify regions with elevated risk of rainfall exceeding flash flood guidance, helping emergency managers and the public prepare for potential flooding events.
Analysis Products
Quantitative Precipitation Forecasts (QPF), Multi-Radar Multi-Sensor (MRMS) precipitation estimates, and Flash Flood Guidance (FFG) products provide critical data for flood forecasting. These analyses help forecasters identify areas where rainfall may exceed the capacity of local drainage systems.
Active Hydrological Hazards
Real-time hydrological hazard alerts including flash flood warnings, flood watches, and coastal flood advisories. This map and table display current active alerts across the country, helping you stay informed about ongoing and imminent flooding events.
View current hydrological warnings
General Text Products
River Forecast Centers and Weather Forecast Offices issue a variety of hydrological text products including streamflow guidance, flash flood guidance, hydrometeorological discussions, and snow water equivalent reports.
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