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:	00 UTC Mon Oct 27	06 UTC Mon Oct 27	12 UTC Mon Oct 27	18 UTC Mon Oct 27	00 UTC Tue Oct 28	06 UTC Tue Oct 28	12 UTC Tue Oct 28	18 UTC Tue Oct 28	00 UTC Wed Oct 29

24-Hour Probability of Snow Accumulating ≥ 2"
	Day 1				Day 2				Day 3
Valid for the 24-hour period ending:	00 UTC Mon Oct 27	06 UTC Mon Oct 27	12 UTC Mon Oct 27	18 UTC Mon Oct 27	00 UTC Tue Oct 28	06 UTC Tue Oct 28	12 UTC Tue Oct 28	18 UTC Tue Oct 28	00 UTC Wed Oct 29

24-Hour Probability of Snow Accumulating ≥ 4"
	Day 1				Day 2				Day 3
Valid for the 24-hour period ending:	00 UTC Mon Oct 27	06 UTC Mon Oct 27	12 UTC Mon Oct 27	18 UTC Mon Oct 27	00 UTC Tue Oct 28	06 UTC Tue Oct 28	12 UTC Tue Oct 28	18 UTC Tue Oct 28	00 UTC Wed Oct 29

24-Hour Probability of Snow Accumulating ≥ 6"
	Day 1				Day 2				Day 3
Valid for the 24-hour period ending:	00 UTC Mon Oct 27	06 UTC Mon Oct 27	12 UTC Mon Oct 27	18 UTC Mon Oct 27	00 UTC Tue Oct 28	06 UTC Tue Oct 28	12 UTC Tue Oct 28	18 UTC Tue Oct 28	00 UTC Wed Oct 29

24-Hour Probability of Snow Accumulating ≥ 8"
	Day 1				Day 2				Day 3
Valid for the 24-hour period ending:	00 UTC Mon Oct 27	06 UTC Mon Oct 27	12 UTC Mon Oct 27	18 UTC Mon Oct 27	00 UTC Tue Oct 28	06 UTC Tue Oct 28	12 UTC Tue Oct 28	18 UTC Tue Oct 28	00 UTC Wed Oct 29

24-Hour Probability of Snow Accumulating ≥ 12"
	Day 1				Day 2				Day 3
Valid for the 24-hour period ending:	00 UTC Mon Oct 27	06 UTC Mon Oct 27	12 UTC Mon Oct 27	18 UTC Mon Oct 27	00 UTC Tue Oct 28	06 UTC Tue Oct 28	12 UTC Tue Oct 28	18 UTC Tue Oct 28	00 UTC Wed Oct 29

24-Hour Probability of Snow Accumulating ≥ 18"
	Day 1				Day 2				Day 3
Valid for the 24-hour period ending:	00 UTC Mon Oct 27	06 UTC Mon Oct 27	12 UTC Mon Oct 27	18 UTC Mon Oct 27	00 UTC Tue Oct 28	06 UTC Tue Oct 28	12 UTC Tue Oct 28	18 UTC Tue Oct 28	00 UTC Wed Oct 29

Viewing Options

Choose an accumulation for the specified time:

Choose a 24-hour period for the specified amount:

00Z Oct 27
06Z Oct 27
12Z Oct 27
18Z Oct 27
00Z Oct 28
06Z Oct 28
12Z Oct 28
18Z Oct 28
00Z Oct 29

Map Overlays

State Boundaries

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


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