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WPC Probabilistic Winter Precipitation Guidance
 
Product Selection
Precipitation Type Forecast Product Forecast Duration





User Interface

24-Hour Probability of Snow Accumulating ≥ 1"
  Day 1   Day 2   Day 3
Valid for the 24-hour
period ending:
12 UTC
Thu Dec 08
18 UTC
Thu Dec 08
00 UTC
Fri Dec 09
06 UTC
Fri Dec 09
12 UTC
Fri Dec 09
18 UTC
Fri Dec 09
00 UTC
Sat Dec 10
06 UTC
Sat Dec 10
12 UTC
Sat Dec 10
24-Hour Probability of Snow Accumulating ≥ 2"
  Day 1   Day 2   Day 3
Valid for the 24-hour
period ending:
12 UTC
Thu Dec 08
18 UTC
Thu Dec 08
00 UTC
Fri Dec 09
06 UTC
Fri Dec 09
12 UTC
Fri Dec 09
18 UTC
Fri Dec 09
00 UTC
Sat Dec 10
06 UTC
Sat Dec 10
12 UTC
Sat Dec 10
24-Hour Probability of Snow Accumulating ≥ 4"
  Day 1   Day 2   Day 3
Valid for the 24-hour
period ending:
12 UTC
Thu Dec 08
18 UTC
Thu Dec 08
00 UTC
Fri Dec 09
06 UTC
Fri Dec 09
12 UTC
Fri Dec 09
18 UTC
Fri Dec 09
00 UTC
Sat Dec 10
06 UTC
Sat Dec 10
12 UTC
Sat Dec 10
24-Hour Probability of Snow Accumulating ≥ 6"
  Day 1   Day 2   Day 3
Valid for the 24-hour
period ending:
12 UTC
Thu Dec 08
18 UTC
Thu Dec 08
00 UTC
Fri Dec 09
06 UTC
Fri Dec 09
12 UTC
Fri Dec 09
18 UTC
Fri Dec 09
00 UTC
Sat Dec 10
06 UTC
Sat Dec 10
12 UTC
Sat Dec 10
24-Hour Probability of Snow Accumulating ≥ 8"
  Day 1   Day 2   Day 3
Valid for the 24-hour
period ending:
12 UTC
Thu Dec 08
18 UTC
Thu Dec 08
00 UTC
Fri Dec 09
06 UTC
Fri Dec 09
12 UTC
Fri Dec 09
18 UTC
Fri Dec 09
00 UTC
Sat Dec 10
06 UTC
Sat Dec 10
12 UTC
Sat Dec 10
24-Hour Probability of Snow Accumulating ≥ 12"
  Day 1   Day 2   Day 3
Valid for the 24-hour
period ending:
12 UTC
Thu Dec 08
18 UTC
Thu Dec 08
00 UTC
Fri Dec 09
06 UTC
Fri Dec 09
12 UTC
Fri Dec 09
18 UTC
Fri Dec 09
00 UTC
Sat Dec 10
06 UTC
Sat Dec 10
12 UTC
Sat Dec 10
24-Hour Probability of Snow Accumulating ≥ 18"
  Day 1   Day 2   Day 3
Valid for the 24-hour
period ending:
12 UTC
Thu Dec 08
18 UTC
Thu Dec 08
00 UTC
Fri Dec 09
06 UTC
Fri Dec 09
12 UTC
Fri Dec 09
18 UTC
Fri Dec 09
00 UTC
Sat Dec 10
06 UTC
Sat Dec 10
12 UTC
Sat Dec 10
Viewing Options
Choose an accumulation for the specified time:







OR
Choose a 24-hour period for the specified amount:
12Z Dec 08
18Z Dec 08
00Z Dec 09
06Z Dec 09
12Z Dec 09
18Z Dec 09
00Z Dec 10
06Z Dec 10
12Z Dec 10
Map Overlays
 
Opacity (%): 0 20 40 60 80 100
 
 
(Note: The GRIB2 download page contains 4 directories corresponding to the accumulation period of the forecast)
 
Download latest KML files
 
**Information about the KML files available for download (Click to show/hide)**
 
WPC Winter Weather Products Home Page

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