The WGRFC generates 120 hours of forecast precipitation (QPF) throughout the year. In general, the first 24 hours of this QPF is used as input in the creation of river forecasts; however, dependent on specific weather events, up to the entire 72 hours may be used. QPF generated by the Hydrometeorological Prediction Center is utilized in the creation of the 5-Day Significant Flood Outlook product.
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NCEP's Days 1 through 7 QPF
The 3 24-Hour QPF periods for the WGRFC area are generated locally at WGRFC based upon guidance from the National Weather Service's Hydrometeorological Prediction Center. The Days 1-5 QPF is linked to the daily QPFs issued by the Hydrometeorological Prediction Center.