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

Select Zoom Area:

Day 1 Excessive Rainfall Outlook
Valid 12Z Sun Sep 15 2024 Through 12Z Mon Sep 16 2024
Issued: 0826Z Sun Sep 15 2024
Forecaster: CHENARD
DOC/NOAA/NWS/NCEP/WPC

Excessive Rainfall Forecaster Discussion

Click to select feature < Prev Next >
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

Change image opacity:

Excessive Rainfall Outlook Day 1 Static Image

Day 1 Excessive Rainfall Outlook
Outlook	Population Impacted	Area (Sq Mi) Impacted
Slight (At Least 15%)	2,473,910	32,781
Marginal (At Least 5%)	16,625,200	196,835

Weather Prediction Center National Oceanic and Atmospheric Administration

Weather Prediction Center

National Oceanic and Atmospheric Administration