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

2 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 Earth, ArcGIS …

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? Computing …

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 weather …

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 discussions, …

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 Weather …

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.

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.

3 days ago · the current atmospheric river and will continue with the deepening low offshore into the northern coastal ranges. A Slight Risk was maintained for the Oregon border down through Los …

11 hours ago · (Version containing fewer parameters) WPC's Day 3-7 500mb Height Forecasts for the Continental U.S. Heat Index Forecasts - [about these products] [top of page] Depicted below are …