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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
Fri Dec 06
18 UTC
Fri Dec 06
00 UTC
Sat Dec 07
06 UTC
Sat Dec 07
12 UTC
Sat Dec 07
18 UTC
Sat Dec 07
00 UTC
Sun Dec 08
06 UTC
Sun Dec 08
12 UTC
Sun Dec 08
24-Hour Probability of Snow Accumulating ≥ 2"
  Day 1   Day 2   Day 3
Valid for the 24-hour
period ending:
12 UTC
Fri Dec 06
18 UTC
Fri Dec 06
00 UTC
Sat Dec 07
06 UTC
Sat Dec 07
12 UTC
Sat Dec 07
18 UTC
Sat Dec 07
00 UTC
Sun Dec 08
06 UTC
Sun Dec 08
12 UTC
Sun Dec 08
24-Hour Probability of Snow Accumulating ≥ 4"
  Day 1   Day 2   Day 3
Valid for the 24-hour
period ending:
12 UTC
Fri Dec 06
18 UTC
Fri Dec 06
00 UTC
Sat Dec 07
06 UTC
Sat Dec 07
12 UTC
Sat Dec 07
18 UTC
Sat Dec 07
00 UTC
Sun Dec 08
06 UTC
Sun Dec 08
12 UTC
Sun Dec 08
24-Hour Probability of Snow Accumulating ≥ 6"
  Day 1   Day 2   Day 3
Valid for the 24-hour
period ending:
12 UTC
Fri Dec 06
18 UTC
Fri Dec 06
00 UTC
Sat Dec 07
06 UTC
Sat Dec 07
12 UTC
Sat Dec 07
18 UTC
Sat Dec 07
00 UTC
Sun Dec 08
06 UTC
Sun Dec 08
12 UTC
Sun Dec 08
24-Hour Probability of Snow Accumulating ≥ 8"
  Day 1   Day 2   Day 3
Valid for the 24-hour
period ending:
12 UTC
Fri Dec 06
18 UTC
Fri Dec 06
00 UTC
Sat Dec 07
06 UTC
Sat Dec 07
12 UTC
Sat Dec 07
18 UTC
Sat Dec 07
00 UTC
Sun Dec 08
06 UTC
Sun Dec 08
12 UTC
Sun Dec 08
24-Hour Probability of Snow Accumulating ≥ 12"
  Day 1   Day 2   Day 3
Valid for the 24-hour
period ending:
12 UTC
Fri Dec 06
18 UTC
Fri Dec 06
00 UTC
Sat Dec 07
06 UTC
Sat Dec 07
12 UTC
Sat Dec 07
18 UTC
Sat Dec 07
00 UTC
Sun Dec 08
06 UTC
Sun Dec 08
12 UTC
Sun Dec 08
24-Hour Probability of Snow Accumulating ≥ 18"
  Day 1   Day 2   Day 3
Valid for the 24-hour
period ending:
12 UTC
Fri Dec 06
18 UTC
Fri Dec 06
00 UTC
Sat Dec 07
06 UTC
Sat Dec 07
12 UTC
Sat Dec 07
18 UTC
Sat Dec 07
00 UTC
Sun Dec 08
06 UTC
Sun Dec 08
12 UTC
Sun Dec 08
Viewing Options
Choose an accumulation for the specified time:







OR
Choose a 24-hour period for the specified amount:
12Z Dec 06
18Z Dec 06
00Z Dec 07
06Z Dec 07
12Z Dec 07
18Z Dec 07
00Z Dec 08
06Z Dec 08
12Z Dec 08
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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