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WPC Probabilistic Winter Precipitation Guidance
 
24-Hour Forecasts 48-Hour Forecasts 72-Hour Forecast
 Snowfall 
Probability Forecasts 		 Freezing Rain 
Probability Forecasts 		   Snowfall 
Probability Forecasts 		 Freezing Rain 
Probability Forecasts 		   Snowfall 
Probability Forecast 		 Freezing Rain 
Probability Forecast
Snowfall Accumulation
by Percentile 		Freezing Rain
Accumulation by Percentile 		  Snowfall Accumulation
by Percentile 		Freezing Rain
Accumulation by Percentile 		  Snowfall Accumulation
by Percentile 		Freezing Rain
Accumulation by Percentile
24-Hour Probability of Snow Accumulating ≥ 1"
  Day 1   Day 2   Day 3
Valid for the 24-hour
period ending: 		12Z Mon
Oct 06 		18Z Mon
Oct 06 		00Z Tue
Oct 07 		06Z Tue
Oct 07 		12Z Tue
Oct 07 		18Z Tue
Oct 07 		00Z Wed
Oct 08 		06Z Wed
Oct 08 		12Z Wed
Oct 08
24-Hour Probability of Snow Accumulating ≥ 2"
  Day 1   Day 2   Day 3
Valid for the 24-hour
period ending: 		12Z Mon
Oct 06 		18Z Mon
Oct 06 		00Z Tue
Oct 07 		06Z Tue
Oct 07 		12Z Tue
Oct 07 		18Z Tue
Oct 07 		00Z Wed
Oct 08 		06Z Wed
Oct 08 		12Z Wed
Oct 08
24-Hour Probability of Snow Accumulating ≥ 4"
  Day 1   Day 2   Day 3
Valid for the 24-hour
period ending: 		12Z Mon
Oct 06 		18Z Mon
Oct 06 		00Z Tue
Oct 07 		06Z Tue
Oct 07 		12Z Tue
Oct 07 		18Z Tue
Oct 07 		00Z Wed
Oct 08 		06Z Wed
Oct 08 		12Z Wed
Oct 08
24-Hour Probability of Snow Accumulating ≥ 6"
  Day 1   Day 2   Day 3
Valid for the 24-hour
period ending: 		12Z Mon
Oct 06 		18Z Mon
Oct 06 		00Z Tue
Oct 07 		06Z Tue
Oct 07 		12Z Tue
Oct 07 		18Z Tue
Oct 07 		00Z Wed
Oct 08 		06Z Wed
Oct 08 		12Z Wed
Oct 08
24-Hour Probability of Snow Accumulating ≥ 8"
  Day 1   Day 2   Day 3
Valid for the 24-hour
period ending: 		12Z Mon
Oct 06 		18Z Mon
Oct 06 		00Z Tue
Oct 07 		06Z Tue
Oct 07 		12Z Tue
Oct 07 		18Z Tue
Oct 07 		00Z Wed
Oct 08 		06Z Wed
Oct 08 		12Z Wed
Oct 08
24-Hour Probability of Snow Accumulating ≥ 12"
  Day 1   Day 2   Day 3
Valid for the 24-hour
period ending: 		12Z Mon
Oct 06 		18Z Mon
Oct 06 		00Z Tue
Oct 07 		06Z Tue
Oct 07 		12Z Tue
Oct 07 		18Z Tue
Oct 07 		00Z Wed
Oct 08 		06Z Wed
Oct 08 		12Z Wed
Oct 08
24-Hour Probability of Snow Accumulating ≥ 18"
  Day 1   Day 2   Day 3
Valid for the 24-hour
period ending: 		12Z Mon
Oct 06 		18Z Mon
Oct 06 		00Z Tue
Oct 07 		06Z Tue
Oct 07 		12Z Tue
Oct 07 		18Z Tue
Oct 07 		00Z Wed
Oct 08 		06Z Wed
Oct 08 		12Z Wed
Oct 08
Viewing Options
Choose an accumulation for the specified time:







OR
Choose a -hour period for the specified amount:
12Z Oct 06
18Z Oct 06
00Z Oct 07
06Z Oct 07
12Z Oct 07
18Z Oct 07
00Z Oct 08
06Z Oct 08
12Z Oct 08
 
Opacity (%): 0 20 40 60 80 100
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