Displays the climatological significance of precipitation forecast by WPC. The climatological significance is represented by Average Recurrence Intervals (ARIs) of precipitation estimates …

3 days ago · WPC QPFs are also available in the following formats: GRIB 2 Note: The GRIB data are posted on our ftp server Shapefiles KML -- (viewable in Google Earth, Microsoft Virtual …

May 12, 2022 · The graphics on this page combine WPC forecasts of fronts, isobars and high/low pressure centers with the National Digital Forecast Database (NDFD) depiction of expected …

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.

Feb 3, 2025 · The WPC is the official back-up center to the National Hurricane Center (NHC). In this capacity, the WPC is responsible for issuing all tropical cyclone products, including …

Sep 16, 2025 · WPC QPF is also available in the following formats: GRIB 2 Shapefiles KML About These Products Precipitation Verification How accurate are WPC precipitation forecasts? …

Latest Key Messages for California Atmospheric River Explore WPC's experimental Probabilistic Precipitation Portal Understanding WPC's Excessive Rainfall Risk Categories

Mar 7, 2025 · WPC's Daily Weather MapDownload Weekly Maps About the Daily Weather Map Changes to the Daily Weather Map (effective June 20, 2011) NOAA Central Library's Daily …

These heat index products are issued by WPC twice per day at approximately 02Z and 16Z for the valid days 3 through 7. They are based on an ensemble of model and human forecasts.

Storm Summary Number 11 for California Atmospheric River NWS Weather Prediction Center College Park MD 700 AM PST Fri Dec 26 2025 ...Additional waves of heavy rainfall continue …