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WPC Probabilistic Winter Precipitation Guidance
Product Selection
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24-Hour Probability of Freezing Rain Accumulating ≥ .01"
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Day 1
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Day 2
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Day 3
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Valid for the 24-hour
period ending:
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12 UTC
Tue Dec 16
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18 UTC
Tue Dec 16
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00 UTC
Wed Dec 17
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06 UTC
Wed Dec 17
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12 UTC
Wed Dec 17
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18 UTC
Wed Dec 17
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00 UTC
Thu Dec 18
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06 UTC
Thu Dec 18
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12 UTC
Thu Dec 18
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24-Hour Probability of Freezing Rain Accumulating ≥ .10"
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Day 1
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Day 2
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Day 3
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Valid for the 24-hour
period ending:
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12 UTC
Tue Dec 16
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18 UTC
Tue Dec 16
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00 UTC
Wed Dec 17
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06 UTC
Wed Dec 17
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12 UTC
Wed Dec 17
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18 UTC
Wed Dec 17
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00 UTC
Thu Dec 18
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06 UTC
Thu Dec 18
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12 UTC
Thu Dec 18
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24-Hour Probability of Freezing Rain Accumulating ≥ .25"
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Day 1
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Day 2
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Day 3
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Valid for the 24-hour
period ending:
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12 UTC
Tue Dec 16
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18 UTC
Tue Dec 16
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00 UTC
Wed Dec 17
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06 UTC
Wed Dec 17
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12 UTC
Wed Dec 17
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18 UTC
Wed Dec 17
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00 UTC
Thu Dec 18
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06 UTC
Thu Dec 18
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12 UTC
Thu Dec 18
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24-Hour Probability of Freezing Rain Accumulating ≥ .50"
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Day 1
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Day 2
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Day 3
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Valid for the 24-hour
period ending:
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12 UTC
Tue Dec 16
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18 UTC
Tue Dec 16
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00 UTC
Wed Dec 17
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06 UTC
Wed Dec 17
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12 UTC
Wed Dec 17
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18 UTC
Wed Dec 17
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00 UTC
Thu Dec 18
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06 UTC
Thu Dec 18
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12 UTC
Thu Dec 18
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24-Hour Freezing Rain Accumulation Probability Forecasts
Valid 12 UTC Mon December 15 - 12 UTC Tue December 16
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| Threshold: |
≥ .01 inch
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≥ .10 inch
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≥ .25 inch
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≥ .50 inch
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24-Hour Freezing Rain Accumulation Probability Forecasts
Valid 18 UTC Mon December 15 - 18 UTC Tue December 16
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| Threshold: |
≥ .01 inch
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≥ .10 inch
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≥ .25 inch
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≥ .50 inch
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24-Hour Freezing Rain Accumulation Probability Forecasts
Valid 00 UTC Tue December 16 - 00 UTC Wed December 17
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| Threshold: |
≥ .01 inch
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≥ .10 inch
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≥ .25 inch
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≥ .50 inch
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24-Hour Freezing Rain Accumulation Probability Forecasts
Valid 06 UTC Tue December 16 - 06 UTC Wed December 17
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| Threshold: |
≥ .01 inch
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≥ .10 inch
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≥ .25 inch
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≥ .50 inch
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24-Hour Freezing Rain Accumulation Probability Forecasts
Valid 12 UTC Tue December 16 - 12 UTC Wed December 17
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| Threshold: |
≥ .01 inch
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≥ .10 inch
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≥ .25 inch
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≥ .50 inch
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24-Hour Freezing Rain Accumulation Probability Forecasts
Valid 18 UTC Tue December 16 - 18 UTC Wed December 17
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| Threshold: |
≥ .01 inch
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≥ .10 inch
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≥ .25 inch
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≥ .50 inch
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24-Hour Freezing Rain Accumulation Probability Forecasts
Valid 00 UTC Wed December 17 - 00 UTC Thu December 18
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| Threshold: |
≥ .01 inch
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≥ .10 inch
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≥ .25 inch
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≥ .50 inch
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24-Hour Freezing Rain Accumulation Probability Forecasts
Valid 06 UTC Wed December 17 - 06 UTC Thu December 18
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| Threshold: |
≥ .01 inch
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≥ .10 inch
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≥ .25 inch
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≥ .50 inch
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24-Hour Freezing Rain Accumulation Probability Forecasts
Valid 12 UTC Wed December 17 - 12 UTC Thu December 18
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| Threshold: |
≥ .01 inch
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≥ .10 inch
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≥ .25 inch
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≥ .50 inch
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Viewing Options
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Choose an accumulation for the specified time:
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OR
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Choose a 24-hour period for the specified amount:
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(Note: The GRIB2 download page contains 4 directories corresponding to the accumulation period of the forecast)
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weather.gov 
