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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

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Day 1 Excessive Rainfall Outlook
Valid 16Z Sat Sep 30 2023 Through 12Z Sun Oct 01 2023
Issued: 1549Z Sat Sep 30 2023
Forecaster: WEGMAN

Excessive Rainfall Forecaster Discussion
Download Excessive Rainfall Outlooks in GIS Format

Day1 | Day2 | Day3 | Day4 | Day5

Day1 | Day2 | Day3 | Day4 | Day5

Day1 | Day2 | Day3

ArcGIS REST Service:
Day1 | Day2 | Day3 | Day4 | Day5

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Excessive Rainfall Outlook Day 1 Static Image
Day 1 Excessive Rainfall Outlook
OutlookPopulation Impacted Area (Sq Mi) Impacted
Marginal (At Least 5%)17,848,300168,684