Weather Prediction Center

National Oceanic and Atmospheric Administration

Excessive Rainfall Forecast

This web page depicts the Excessive Rainfall Outlook (ERO). In the ERO, the Weather Prediction Center (WPC) forecasts the probability that rainfall will exceed flash flood guidance (FFG) within 40 kilometers (25 miles) of a point.

Product Info | Understanding ERO Categories | ERO Climatology | Day 1 threat area | Day 2 threat area | Day 3 threat area

Map Overlays
CWAs		Counties
RFCs		FEMA Regions
States		NWS Forecast Zones
Urban Areas		ARTCC/FIR

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Day 1 Excessive Rainfall Outlook
Valid 01Z Thu Dec 05 2024 Through 12Z Thu Dec 05 2024
Issued: 0027Z Thu Dec 05 2024
Forecaster: ORRISON
DOC/NOAA/NWS/NCEP/WPC

Excessive Rainfall Forecaster Discussion

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Download Excessive Rainfall Outlooks in GIS Format KML: Day1\| Day2\| Day3\| Day4\| Day5 Shapefile: Day1\| Day2\| Day3\| Day4\| Day5 GeoJSON: Day1\| Day2\| Day3\| Day4\| Day5 ArcGIS REST Service: Day1\| Day2\| Day3\| Day4\| Day5

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Excessive Rainfall Outlook Day 1 Static Image

Day 1 Excessive Rainfall Outlook
Outlook	Population Impacted	Area (Sq Mi) Impacted
The probability of rainfall exceeding flash flood guidance is less than 5 percent

Weather Prediction Center National Oceanic and Atmospheric Administration

Weather Prediction Center

National Oceanic and Atmospheric Administration