WPC Probabilistic Winter Precipitation Guidance
A note to users: Due to high traffic on our PWPF pages, map legends may not completely load. We are attempting to devise a solution and apologize for this inconvenience.
 
Product Selection
Precipitation Type Forecast Product Forecast Duration





User Interface

24-Hour Snowfall Accumulation - 5th Percentile
  Day 1   Day 2   Day 3
Valid for the 24-hour
period ending:
00Z Wed
Dec 01
06Z Wed
Dec 01
12Z Wed
Dec 01
18Z Wed
Dec 01
00Z Thu
Dec 02
06Z Thu
Dec 02
12Z Thu
Dec 02
18Z Thu
Dec 02
00Z Fri
Dec 03
24-Hour Snowfall Accumulation - 10th Percentile
  Day 1   Day 2   Day 3
Valid for the 24-hour
period ending:
00Z Wed
Dec 01
06Z Wed
Dec 01
12Z Wed
Dec 01
18Z Wed
Dec 01
00Z Thu
Dec 02
06Z Thu
Dec 02
12Z Thu
Dec 02
18Z Thu
Dec 02
00Z Fri
Dec 03
24-Hour Snowfall Accumulation - 25th Percentile
  Day 1   Day 2   Day 3
Valid for the 24-hour
period ending:
00Z Wed
Dec 01
06Z Wed
Dec 01
12Z Wed
Dec 01
18Z Wed
Dec 01
00Z Thu
Dec 02
06Z Thu
Dec 02
12Z Thu
Dec 02
18Z Thu
Dec 02
00Z Fri
Dec 03
24-Hour Snowfall Accumulation - 50th Percentile
  Day 1   Day 2   Day 3
Valid for the 24-hour
period ending:
00Z Wed
Dec 01
06Z Wed
Dec 01
12Z Wed
Dec 01
18Z Wed
Dec 01
00Z Thu
Dec 02
06Z Thu
Dec 02
12Z Thu
Dec 02
18Z Thu
Dec 02
00Z Fri
Dec 03
24-Hour Snowfall Accumulation - 75th Percentile
  Day 1   Day 2   Day 3
Valid for the 24-hour
period ending:
00Z Wed
Dec 01
06Z Wed
Dec 01
12Z Wed
Dec 01
18Z Wed
Dec 01
00Z Thu
Dec 02
06Z Thu
Dec 02
12Z Thu
Dec 02
18Z Thu
Dec 02
00Z Fri
Dec 03
24-Hour Snowfall Accumulation - 90th Percentile
  Day 1   Day 2   Day 3
Valid for the 24-hour
period ending:
00Z Wed
Dec 01
06Z Wed
Dec 01
12Z Wed
Dec 01
18Z Wed
Dec 01
00Z Thu
Dec 02
06Z Thu
Dec 02
12Z Thu
Dec 02
18Z Thu
Dec 02
00Z Fri
Dec 03
24-Hour Snowfall Accumulation - 95th Percentile
  Day 1   Day 2   Day 3
Valid for the 24-hour
period ending:
00Z Wed
Dec 01
06Z Wed
Dec 01
12Z Wed
Dec 01
18Z Wed
Dec 01
00Z Thu
Dec 02
06Z Thu
Dec 02
12Z Thu
Dec 02
18Z Thu
Dec 02
00Z Fri
Dec 03
Viewing Options
Choose a percentile for the specified time:
5th
10th
25th
50th
75th
90th
95th
OR
Choose a 24-hour period for the specified percentile:
00Z Dec 01
06Z Dec 01
12Z Dec 01
18Z Dec 01
00Z Dec 02
06Z Dec 02
12Z Dec 02
18Z Dec 02
00Z Dec 03
Map Overlays
 Accumulation Contours
 
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
Page last modified: