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 Tue Dec 24	06 UTC Tue Dec 24	12 UTC Tue Dec 24	18 UTC Tue Dec 24	00 UTC Wed Dec 25	06 UTC Wed Dec 25	12 UTC Wed Dec 25	18 UTC Wed Dec 25	00 UTC Thu Dec 26

24-Hour Probability of Snow Accumulating ≥ 2"
	Day 1				Day 2				Day 3
Valid for the 24-hour period ending:	00 UTC Tue Dec 24	06 UTC Tue Dec 24	12 UTC Tue Dec 24	18 UTC Tue Dec 24	00 UTC Wed Dec 25	06 UTC Wed Dec 25	12 UTC Wed Dec 25	18 UTC Wed Dec 25	00 UTC Thu Dec 26

24-Hour Probability of Snow Accumulating ≥ 4"
	Day 1				Day 2				Day 3
Valid for the 24-hour period ending:	00 UTC Tue Dec 24	06 UTC Tue Dec 24	12 UTC Tue Dec 24	18 UTC Tue Dec 24	00 UTC Wed Dec 25	06 UTC Wed Dec 25	12 UTC Wed Dec 25	18 UTC Wed Dec 25	00 UTC Thu Dec 26

24-Hour Probability of Snow Accumulating ≥ 6"
	Day 1				Day 2				Day 3
Valid for the 24-hour period ending:	00 UTC Tue Dec 24	06 UTC Tue Dec 24	12 UTC Tue Dec 24	18 UTC Tue Dec 24	00 UTC Wed Dec 25	06 UTC Wed Dec 25	12 UTC Wed Dec 25	18 UTC Wed Dec 25	00 UTC Thu Dec 26

24-Hour Probability of Snow Accumulating ≥ 8"
	Day 1				Day 2				Day 3
Valid for the 24-hour period ending:	00 UTC Tue Dec 24	06 UTC Tue Dec 24	12 UTC Tue Dec 24	18 UTC Tue Dec 24	00 UTC Wed Dec 25	06 UTC Wed Dec 25	12 UTC Wed Dec 25	18 UTC Wed Dec 25	00 UTC Thu Dec 26

24-Hour Probability of Snow Accumulating ≥ 12"
	Day 1				Day 2				Day 3
Valid for the 24-hour period ending:	00 UTC Tue Dec 24	06 UTC Tue Dec 24	12 UTC Tue Dec 24	18 UTC Tue Dec 24	00 UTC Wed Dec 25	06 UTC Wed Dec 25	12 UTC Wed Dec 25	18 UTC Wed Dec 25	00 UTC Thu Dec 26

24-Hour Probability of Snow Accumulating ≥ 18"
	Day 1				Day 2				Day 3
Valid for the 24-hour period ending:	00 UTC Tue Dec 24	06 UTC Tue Dec 24	12 UTC Tue Dec 24	18 UTC Tue Dec 24	00 UTC Wed Dec 25	06 UTC Wed Dec 25	12 UTC Wed Dec 25	18 UTC Wed Dec 25	00 UTC Thu Dec 26

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Choose a 24-hour period for the specified amount:

00Z Dec 24
06Z Dec 24
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18Z Dec 24
00Z Dec 25
06Z Dec 25
12Z Dec 25
18Z Dec 25
00Z Dec 26

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Download GRIB2 Probability Guidance

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

Download latest KML files

**Information about the KML files available for download (Click to show/hide)**

WPC Winter Weather Products Home Page


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