WPC Probabilistic Winter Precipitation Guidance

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24-Hour Snowfall Accumulation - 5^th Percentile
	Day 1				Day 2				Day 3
Valid for the 24-hour period ending:	12Z Sun Dec 10	18Z Sun Dec 10	00Z Mon Dec 11	06Z Mon Dec 11	12Z Mon Dec 11	18Z Mon Dec 11	00Z Tue Dec 12	06Z Tue Dec 12	12Z Tue Dec 12

24-Hour Snowfall Accumulation - 10^th Percentile
	Day 1				Day 2				Day 3
Valid for the 24-hour period ending:	12Z Sun Dec 10	18Z Sun Dec 10	00Z Mon Dec 11	06Z Mon Dec 11	12Z Mon Dec 11	18Z Mon Dec 11	00Z Tue Dec 12	06Z Tue Dec 12	12Z Tue Dec 12

24-Hour Snowfall Accumulation - 25^th Percentile
	Day 1				Day 2				Day 3
Valid for the 24-hour period ending:	12Z Sun Dec 10	18Z Sun Dec 10	00Z Mon Dec 11	06Z Mon Dec 11	12Z Mon Dec 11	18Z Mon Dec 11	00Z Tue Dec 12	06Z Tue Dec 12	12Z Tue Dec 12

24-Hour Snowfall Accumulation - 50^th Percentile
	Day 1				Day 2				Day 3
Valid for the 24-hour period ending:	12Z Sun Dec 10	18Z Sun Dec 10	00Z Mon Dec 11	06Z Mon Dec 11	12Z Mon Dec 11	18Z Mon Dec 11	00Z Tue Dec 12	06Z Tue Dec 12	12Z Tue Dec 12

24-Hour Snowfall Accumulation - 75^th Percentile
	Day 1				Day 2				Day 3
Valid for the 24-hour period ending:	12Z Sun Dec 10	18Z Sun Dec 10	00Z Mon Dec 11	06Z Mon Dec 11	12Z Mon Dec 11	18Z Mon Dec 11	00Z Tue Dec 12	06Z Tue Dec 12	12Z Tue Dec 12

24-Hour Snowfall Accumulation - 90^th Percentile
	Day 1				Day 2				Day 3
Valid for the 24-hour period ending:	12Z Sun Dec 10	18Z Sun Dec 10	00Z Mon Dec 11	06Z Mon Dec 11	12Z Mon Dec 11	18Z Mon Dec 11	00Z Tue Dec 12	06Z Tue Dec 12	12Z Tue Dec 12

24-Hour Snowfall Accumulation - 95^th Percentile
	Day 1				Day 2				Day 3
Valid for the 24-hour period ending:	12Z Sun Dec 10	18Z Sun Dec 10	00Z Mon Dec 11	06Z Mon Dec 11	12Z Mon Dec 11	18Z Mon Dec 11	00Z Tue Dec 12	06Z Tue Dec 12	12Z Tue Dec 12

Viewing Options

Choose a percentile for the specified time:

Choose a 24-hour period for the specified percentile:

12Z Dec 10
18Z Dec 10
00Z Dec 11
06Z Dec 11
12Z Dec 11
18Z Dec 11
00Z Dec 12
06Z Dec 12
12Z Dec 12

Map Overlays

State Boundaries

(Note: The GRIB2 download page contains 4 directories corresponding to the accumulation period of the forecast)


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