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Monitoring of heavy precipitation forecasts (archived)

These images show locations where the 100-year recurrence interval for 24-h precipitation was predicted to be exceeded by the NOAA Weather Prediction Center and various convection-allowing numerical models. These forecasts will almost certainly have errors, but it can provide guidance as to where the models are predicting extreme rainfall. For 24-h accumulations, all forecasts shown are for the 1200 UTC--1200 UTC time period.

Switch to a different threshold:

Select a forecast initialization from the drop-down menu:

Hover mouse over a model to see its forecast for this time

WPCNAM 4-km nestCSU 4-km WRFNSSL 4-km WRFNCEP HIRESW/ARWNCEP HIRESW/NMMBHRRRx

Verifying Stage IV analysis from 1200 UTC Wednesday December 1 1999:

CMMAP | CloudSat | Colorado Climate Center | CIRA | CHILL | CoCoRaHS
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