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





24-Hour Probability of Snow Accumulating ≥ 1"
  Day 1   Day 2   Day 3
Valid for the 24-hour
period ending: 		12Z Wed
Apr 09 		18Z Wed
Apr 09 		00Z Thu
Apr 10 		06Z Thu
Apr 10 		12Z Thu
Apr 10 		18Z Thu
Apr 10 		00Z Fri
Apr 11 		06Z Fri
Apr 11 		12Z Fri
Apr 11
24-Hour Probability of Snow Accumulating ≥ 2"
  Day 1   Day 2   Day 3
Valid for the 24-hour
period ending: 		12Z Wed
Apr 09 		18Z Wed
Apr 09 		00Z Thu
Apr 10 		06Z Thu
Apr 10 		12Z Thu
Apr 10 		18Z Thu
Apr 10 		00Z Fri
Apr 11 		06Z Fri
Apr 11 		12Z Fri
Apr 11
24-Hour Probability of Snow Accumulating ≥ 4"
  Day 1   Day 2   Day 3
Valid for the 24-hour
period ending: 		12Z Wed
Apr 09 		18Z Wed
Apr 09 		00Z Thu
Apr 10 		06Z Thu
Apr 10 		12Z Thu
Apr 10 		18Z Thu
Apr 10 		00Z Fri
Apr 11 		06Z Fri
Apr 11 		12Z Fri
Apr 11
24-Hour Probability of Snow Accumulating ≥ 6"
  Day 1   Day 2   Day 3
Valid for the 24-hour
period ending: 		12Z Wed
Apr 09 		18Z Wed
Apr 09 		00Z Thu
Apr 10 		06Z Thu
Apr 10 		12Z Thu
Apr 10 		18Z Thu
Apr 10 		00Z Fri
Apr 11 		06Z Fri
Apr 11 		12Z Fri
Apr 11
24-Hour Probability of Snow Accumulating ≥ 8"
  Day 1   Day 2   Day 3
Valid for the 24-hour
period ending: 		12Z Wed
Apr 09 		18Z Wed
Apr 09 		00Z Thu
Apr 10 		06Z Thu
Apr 10 		12Z Thu
Apr 10 		18Z Thu
Apr 10 		00Z Fri
Apr 11 		06Z Fri
Apr 11 		12Z Fri
Apr 11
24-Hour Probability of Snow Accumulating ≥ 12"
  Day 1   Day 2   Day 3
Valid for the 24-hour
period ending: 		12Z Wed
Apr 09 		18Z Wed
Apr 09 		00Z Thu
Apr 10 		06Z Thu
Apr 10 		12Z Thu
Apr 10 		18Z Thu
Apr 10 		00Z Fri
Apr 11 		06Z Fri
Apr 11 		12Z Fri
Apr 11
24-Hour Probability of Snow Accumulating ≥ 18"
  Day 1   Day 2   Day 3
Valid for the 24-hour
period ending: 		12Z Wed
Apr 09 		18Z Wed
Apr 09 		00Z Thu
Apr 10 		06Z Thu
Apr 10 		12Z Thu
Apr 10 		18Z Thu
Apr 10 		00Z Fri
Apr 11 		06Z Fri
Apr 11 		12Z Fri
Apr 11
Viewing Options
Choose an accumulation for the specified time:







OR
Choose a 24-hour period for the specified amount:
12Z Apr 09
18Z Apr 09
00Z Apr 10
06Z Apr 10
12Z Apr 10
18Z Apr 10
00Z Apr 11
06Z Apr 11
12Z Apr 11
Map Overlays
 Probability Contours
 
Opacity (%): 0 20 40 60 80 100
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