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WPC 24-Hour Probabilistic Precipitation Guidance for Days 1-3
 
 
 
Read the official Product Description Document (PDD) for this guidance
(Note: The PDD is a pdf file and requires Adobe Acrobat Reader to view)
 
6-Hour Forecasts   24-Hour Forecasts
 Probability of Precipitation 
of at Least a Specific Amount  		 Precipitation Amount by 
Percentile 		 Probability of Precipitation 
of at Least a Specific Amount 		  Precipitation Amount by 
Percentile
24-Hour PQPFs ≥ 0.25"
Forecasts valid 12Z May 20, 2025 - 00Z May 24, 2025
  Day 1 Day 2 Day 3
Valid 24 hours ending: 12Z
May 21 		18Z
May 21 		00Z
May 22 		06Z
May 22 		12Z
May 22 		18Z
May 22 		00Z
May 23 		06Z
May 23 		12Z
May 23 		18Z
May 23 		00Z
May 24
24-hour forecast valid 12Z May 20, 2025 through 12Z May 21, 2025
24-Hour PQPF valid 12Z May 21, 2025
24-Hour PQPFs ≥ 0.50"
Forecasts valid 12Z May 20, 2025 - 00Z May 24, 2025
  Day 1 Day 2 Day 3
Valid 24 hours ending: 12Z
May 21 		18Z
May 21 		00Z
May 22 		06Z
May 22 		12Z
May 22 		18Z
May 22 		00Z
May 23 		06Z
May 23 		12Z
May 23 		18Z
May 23 		00Z
May 24
24-hour forecast valid 12Z May 20, 2025 through 12Z May 21, 2025
24-Hour PQPF valid 12Z May 21, 2025
24-Hour PQPFs ≥ 1.00"
Forecasts valid 12Z May 20, 2025 - 00Z May 24, 2025
  Day 1 Day 2 Day 3
Valid 24 hours ending: 12Z
May 21 		18Z
May 21 		00Z
May 22 		06Z
May 22 		12Z
May 22 		18Z
May 22 		00Z
May 23 		06Z
May 23 		12Z
May 23 		18Z
May 23 		00Z
May 24
24-hour forecast valid 12Z May 20, 2025 through 12Z May 21, 2025
24-Hour PQPF valid 12Z May 21, 2025
24-Hour PQPFs ≥ 1.50"
Forecasts valid 12Z May 20, 2025 - 00Z May 24, 2025
  Day 1 Day 2 Day 3
Valid 24 hours ending: 12Z
May 21 		18Z
May 21 		00Z
May 22 		06Z
May 22 		12Z
May 22 		18Z
May 22 		00Z
May 23 		06Z
May 23 		12Z
May 23 		18Z
May 23 		00Z
May 24
24-hour forecast valid 12Z May 20, 2025 through 12Z May 21, 2025
24-Hour PQPF valid 12Z May 21, 2025
24-Hour PQPFs ≥ 2.00"
Forecasts valid 12Z May 20, 2025 - 00Z May 24, 2025
  Day 1 Day 2 Day 3
Valid 24 hours ending: 12Z
May 21 		18Z
May 21 		00Z
May 22 		06Z
May 22 		12Z
May 22 		18Z
May 22 		00Z
May 23 		06Z
May 23 		12Z
May 23 		18Z
May 23 		00Z
May 24
24-hour forecast valid 12Z May 20, 2025 through 12Z May 21, 2025
24-Hour PQPF valid 12Z May 21, 2025
24-Hour PQPFs ≥ 2.50"
Forecasts valid 12Z May 20, 2025 - 00Z May 24, 2025
  Day 1 Day 2 Day 3
Valid 24 hours ending: 12Z
May 21 		18Z
May 21 		00Z
May 22 		06Z
May 22 		12Z
May 22 		18Z
May 22 		00Z
May 23 		06Z
May 23 		12Z
May 23 		18Z
May 23 		00Z
May 24
24-hour forecast valid 12Z May 20, 2025 through 12Z May 21, 2025
24-Hour PQPF valid 12Z May 21, 2025
24-Hour PQPFs ≥ 3.00"
Forecasts valid 12Z May 20, 2025 - 00Z May 24, 2025
  Day 1 Day 2 Day 3
Valid 24 hours ending: 12Z
May 21 		18Z
May 21 		00Z
May 22 		06Z
May 22 		12Z
May 22 		18Z
May 22 		00Z
May 23 		06Z
May 23 		12Z
May 23 		18Z
May 23 		00Z
May 24
24-hour forecast valid 12Z May 20, 2025 through 12Z May 21, 2025
24-Hour PQPF valid 12Z May 21, 2025
24-Hour PQPFs ≥ 4.00"
Forecasts valid 12Z May 20, 2025 - 00Z May 24, 2025
  Day 1 Day 2 Day 3
Valid 24 hours ending: 12Z
May 21 		18Z
May 21 		00Z
May 22 		06Z
May 22 		12Z
May 22 		18Z
May 22 		00Z
May 23 		06Z
May 23 		12Z
May 23 		18Z
May 23 		00Z
May 24
24-hour forecast valid 12Z May 20, 2025 through 12Z May 21, 2025
24-Hour PQPF valid 12Z May 21, 2025
24-Hour PQPFs ≥ 5.00"
Forecasts valid 12Z May 20, 2025 - 00Z May 24, 2025
  Day 1 Day 2 Day 3
Valid 24 hours ending: 12Z
May 21 		18Z
May 21 		00Z
May 22 		06Z
May 22 		12Z
May 22 		18Z
May 22 		00Z
May 23 		06Z
May 23 		12Z
May 23 		18Z
May 23 		00Z
May 24
24-hour forecast valid 12Z May 20, 2025 through 12Z May 21, 2025
24-Hour PQPF valid 12Z May 21, 2025
24-Hour PQPFs ≥ 6.00"
Forecasts valid 12Z May 20, 2025 - 00Z May 24, 2025
  Day 1 Day 2 Day 3
Valid 24 hours ending: 12Z
May 21 		18Z
May 21 		00Z
May 22 		06Z
May 22 		12Z
May 22 		18Z
May 22 		00Z
May 23 		06Z
May 23 		12Z
May 23 		18Z
May 23 		00Z
May 24
24-hour forecast valid 12Z May 20, 2025 through 12Z May 21, 2025
24-Hour PQPF valid 12Z May 21, 2025
Viewing Options
Choose an amount for the specified time:
≥ 0.25"
≥ 0.50"
≥ 1.00"
≥ 1.50"
≥ 2.00"
≥ 2.50"
≥ 3.00"
≥ 4.00"
≥ 5.00"
≥ 6.00"
OR
Choose a time for the specified amount:
12Z May 21
18Z May 21
00Z May 22
06Z May 22
12Z May 22
18Z May 22
00Z May 23
06Z May 23
12Z May 23
18Z May 23
00Z May 24
 
 
 
 
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Page last modified: Thursday, 12-May-2022 23:54:13 GMT