WPC Probabilistic Winter Precipitation Guidance

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24-Hour Probability of Snow Accumulating ≥ 1"
	Day 1				Day 2				Day 3
Valid for the 24-hour period ending:	12 UTC Mon Oct 07	18 UTC Mon Oct 07	00 UTC Tue Oct 08	06 UTC Tue Oct 08	12 UTC Tue Oct 08	18 UTC Tue Oct 08	00 UTC Wed Oct 09	06 UTC Wed Oct 09	12 UTC Wed Oct 09

24-Hour Probability of Snow Accumulating ≥ 2"
	Day 1				Day 2				Day 3
Valid for the 24-hour period ending:	12 UTC Mon Oct 07	18 UTC Mon Oct 07	00 UTC Tue Oct 08	06 UTC Tue Oct 08	12 UTC Tue Oct 08	18 UTC Tue Oct 08	00 UTC Wed Oct 09	06 UTC Wed Oct 09	12 UTC Wed Oct 09

24-Hour Probability of Snow Accumulating ≥ 4"
	Day 1				Day 2				Day 3
Valid for the 24-hour period ending:	12 UTC Mon Oct 07	18 UTC Mon Oct 07	00 UTC Tue Oct 08	06 UTC Tue Oct 08	12 UTC Tue Oct 08	18 UTC Tue Oct 08	00 UTC Wed Oct 09	06 UTC Wed Oct 09	12 UTC Wed Oct 09

24-Hour Probability of Snow Accumulating ≥ 6"
	Day 1				Day 2				Day 3
Valid for the 24-hour period ending:	12 UTC Mon Oct 07	18 UTC Mon Oct 07	00 UTC Tue Oct 08	06 UTC Tue Oct 08	12 UTC Tue Oct 08	18 UTC Tue Oct 08	00 UTC Wed Oct 09	06 UTC Wed Oct 09	12 UTC Wed Oct 09

24-Hour Probability of Snow Accumulating ≥ 8"
	Day 1				Day 2				Day 3
Valid for the 24-hour period ending:	12 UTC Mon Oct 07	18 UTC Mon Oct 07	00 UTC Tue Oct 08	06 UTC Tue Oct 08	12 UTC Tue Oct 08	18 UTC Tue Oct 08	00 UTC Wed Oct 09	06 UTC Wed Oct 09	12 UTC Wed Oct 09

24-Hour Probability of Snow Accumulating ≥ 12"
	Day 1				Day 2				Day 3
Valid for the 24-hour period ending:	12 UTC Mon Oct 07	18 UTC Mon Oct 07	00 UTC Tue Oct 08	06 UTC Tue Oct 08	12 UTC Tue Oct 08	18 UTC Tue Oct 08	00 UTC Wed Oct 09	06 UTC Wed Oct 09	12 UTC Wed Oct 09

24-Hour Probability of Snow Accumulating ≥ 18"
	Day 1				Day 2				Day 3
Valid for the 24-hour period ending:	12 UTC Mon Oct 07	18 UTC Mon Oct 07	00 UTC Tue Oct 08	06 UTC Tue Oct 08	12 UTC Tue Oct 08	18 UTC Tue Oct 08	00 UTC Wed Oct 09	06 UTC Wed Oct 09	12 UTC Wed Oct 09

Viewing Options

Choose an accumulation for the specified time:

Choose a 24-hour period for the specified amount:

12Z Oct 07
18Z Oct 07
00Z Oct 08
06Z Oct 08
12Z Oct 08
18Z Oct 08
00Z Oct 09
06Z Oct 09
12Z Oct 09

Map Overlays

State Boundaries

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


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