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Quantitative Precipitation Forecasts
Day 1 Days 1-2 5- and
7-day Totals
Day 2 Days 1-3
Day 3 Days 4-5 and
Days 6-7

Loop of All 6-hourly or 24-hourly Forecasts for Days 1-3

View 12-Hour QPFs for Days 1-3
WPC QPF Archive
Experimental Extreme Precipitation Monitor

24 Hour Precipitation Total - Day 1

Day 1 QPF
Day 1 QPF
[contours only]

6 Hourly Precipitation Amounts - Day 1

Update (00-06 hr QPF) Update (00-06 hr)
[contours only]
06-12 hr QPF 06-12 hr.
[contours only]
12-18 hr QPF 12-18 hr.
[contours only]
18-24 hr QPF
18-24 hr.
[contours only]
24-30 hr QPF
24-30 hr.
[contours only]
Scrollable Multi-Chart Series
Excessive Rainfall Forecast + All Day 1 Forecasts
All Day 2 Forecasts
Excessive Rainfall + All 6-Hourly Fcsts Days 1 and 2
24-Hourly Fcsts Days 1-3 + 48-Hour Fcst Days 4-5 and Days 6-7
Interactive QPF Product Browser

WPC 6-Hour Probabilistic QPFs
WPC QPF is also available in the following formats:
  • GRIB 2
  • Shapefiles
  • KML   -- (viewable in Google Earth, Microsoft Virtual Earth, ArcGIS Explorer, and numerous other Geographic Information System (GIS) mapping applications)

About These Products

Precipitation Verification

How accurate are WPC precipitation forecasts?
Computing precipitation forecast accuracy

24-Hour Observed Precipitation Charts (Valid 12Z-12Z)
(introduced 10/1/2008)

Latest 24-Hour Precipitation Chart (original version)
[printable version]
[gridded totals image]

Download observed station data by visiting the Environmental Modeling Center's ftp directory containing daily precipitation text files.   Look for files named in the format usa-dlyprcp-yyyymmdd, where yyyymmdd is the year (4 digits), month, and day of the verifying analysis.

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Page last modified: Thursday, 31-Jan-2019 14:58:32 UTC