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 Thu Aug 18	18Z Thu Aug 18	00Z Fri Aug 19	06Z Fri Aug 19	12Z Fri Aug 19	18Z Fri Aug 19	00Z Sat Aug 20	06Z Sat Aug 20	12Z Sat Aug 20

24-Hour Snowfall Accumulation - 10^th Percentile
	Day 1				Day 2				Day 3
Valid for the 24-hour period ending:	12Z Thu Aug 18	18Z Thu Aug 18	00Z Fri Aug 19	06Z Fri Aug 19	12Z Fri Aug 19	18Z Fri Aug 19	00Z Sat Aug 20	06Z Sat Aug 20	12Z Sat Aug 20

24-Hour Snowfall Accumulation - 25^th Percentile
	Day 1				Day 2				Day 3
Valid for the 24-hour period ending:	12Z Thu Aug 18	18Z Thu Aug 18	00Z Fri Aug 19	06Z Fri Aug 19	12Z Fri Aug 19	18Z Fri Aug 19	00Z Sat Aug 20	06Z Sat Aug 20	12Z Sat Aug 20

24-Hour Snowfall Accumulation - 50^th Percentile
	Day 1				Day 2				Day 3
Valid for the 24-hour period ending:	12Z Thu Aug 18	18Z Thu Aug 18	00Z Fri Aug 19	06Z Fri Aug 19	12Z Fri Aug 19	18Z Fri Aug 19	00Z Sat Aug 20	06Z Sat Aug 20	12Z Sat Aug 20

24-Hour Snowfall Accumulation - 75^th Percentile
	Day 1				Day 2				Day 3
Valid for the 24-hour period ending:	12Z Thu Aug 18	18Z Thu Aug 18	00Z Fri Aug 19	06Z Fri Aug 19	12Z Fri Aug 19	18Z Fri Aug 19	00Z Sat Aug 20	06Z Sat Aug 20	12Z Sat Aug 20

24-Hour Snowfall Accumulation - 90^th Percentile
	Day 1				Day 2				Day 3
Valid for the 24-hour period ending:	12Z Thu Aug 18	18Z Thu Aug 18	00Z Fri Aug 19	06Z Fri Aug 19	12Z Fri Aug 19	18Z Fri Aug 19	00Z Sat Aug 20	06Z Sat Aug 20	12Z Sat Aug 20

24-Hour Snowfall Accumulation - 95^th Percentile
	Day 1				Day 2				Day 3
Valid for the 24-hour period ending:	12Z Thu Aug 18	18Z Thu Aug 18	00Z Fri Aug 19	06Z Fri Aug 19	12Z Fri Aug 19	18Z Fri Aug 19	00Z Sat Aug 20	06Z Sat Aug 20	12Z Sat Aug 20

Viewing Options

Choose a percentile for the specified time:

Choose a 24-hour period for the specified percentile:

12Z Aug 18
18Z Aug 18
00Z Aug 19
06Z Aug 19
12Z Aug 19
18Z Aug 19
00Z Aug 20
06Z Aug 20
12Z Aug 20

Map Overlays

State Boundaries

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


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