WPC Probabilistic Winter Precipitation Guidance

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48-Hour Probability of Snow Accumulating ≥ 8"
	Day 2				Day 3
Valid for the 48-hour period ending:	12 UTC Fri Dec 12	18 UTC Fri Dec 12	00 UTC Sat Dec 13	06 UTC Sat Dec 13	12 UTC Sat Dec 13

48-Hour Probability of Snow Accumulating ≥ 12"
	Day 2				Day 3
Valid for the 48-hour period ending:	12 UTC Fri Dec 12	18 UTC Fri Dec 12	00 UTC Sat Dec 13	06 UTC Sat Dec 13	12 UTC Sat Dec 13

48-Hour Probability of Snow Accumulating ≥ 18"
	Day 2				Day 3
Valid for the 48-hour period ending:	12 UTC Fri Dec 12	18 UTC Fri Dec 12	00 UTC Sat Dec 13	06 UTC Sat Dec 13	12 UTC Sat Dec 13

48-Hour Probability of Snow Accumulating ≥ 24"
	Day 2				Day 3
Valid for the 48-hour period ending:	12 UTC Fri Dec 12	18 UTC Fri Dec 12	00 UTC Sat Dec 13	06 UTC Sat Dec 13	12 UTC Sat Dec 13

48-Hour Probability of Snow Accumulating ≥ 30"
	Day 2				Day 3
Valid for the 48-hour period ending:	12 UTC Fri Dec 12	18 UTC Fri Dec 12	00 UTC Sat Dec 13	06 UTC Sat Dec 13	12 UTC Sat Dec 13

Viewing Options

Choose an accumulation for the specified time:

Choose a 48-hour period for the specified amount:

Map Overlays

State Boundaries

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


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