WPC Probabilistic Winter Precipitation Guidance

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72-Hour Snowfall Accumulation - 5^th Percentile
Valid 12Z October 16, 2026 through 12Z October 19, 2026

72-Hour Snowfall Accumulation - 10^th Percentile
Valid 12Z October 16, 2026 through 12Z October 19, 2026

72-Hour Snowfall Accumulation - 25^th Percentile
Valid 12Z October 16, 2026 through 12Z October 19, 2026

72-Hour Snowfall Accumulation - 50^th Percentile
Valid 12Z October 16, 2026 through 12Z October 19, 2026

72-Hour Snowfall Accumulation - 75^th Percentile
Valid 12Z October 16, 2026 through 12Z October 19, 2026

72-Hour Snowfall Accumulation - 90^th Percentile
Valid 12Z October 16, 2026 through 12Z October 19, 2026

72-Hour Snowfall Accumulation - 95^th Percentile
Valid 12Z October 16, 2026 through 12Z October 19, 2026

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


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