Weather
High Impact Precipitation Monitoring
This page offers some useful links for monitoring high impact precipitation across the United States.
High impact, excessive U.S. rainfall forecasts from the NWS
| 1-day (Discussion) | 2-day | 3-day |
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Storm Prediction Center (SPC) Radar Loop and Severe Weather Treat
SPC Heavy Rain Mesoscale Analysis
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Precipitable Water |
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Current Flash Flood Warnings in the U.S.
Current Flash Flood Watches in the U.S.
NOAA Satellite Precipitation Estimate (SPENES) Text Messages & Graphics
STAR Satellite Rainfall Estimates – Hydro-Estimator – Contiguous United States
One Hour Estimated Precipitation
3 Hour Estimated Precipitation
6 Hour Estimated Precipitation
Hydro-Estimator – ContiguousUnited States
Hydrometeorological Prediction Center Quantitative Precipitation Forecasts
24-hour Total |
Update (0 to 6 Hrs) |
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Day 1: First Six Hours (6-12 Hrs)
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Day 1: Second Six Hours (12-18 Hrs)
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Day 1: Third Six Hours (18-24 Hrs)
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Day 1: Fourth Six Hours (24-30 Hrs)
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Model QPFs
NSSL WRF 4 km grid 36 h Total Precipitation (mm)
NSSL Heavy Rain Threat (experimental)
Density of points exceeding QPF 1 in./h during 12-18 UTC
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Density of points exceeding QPF 1 in./h during 18-00 UTC
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Density of points exceeding QPF 1 in./h during 00-06 UTC
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Density of points exceeding QPF 1 in./h during 06-12 UTC
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Density of 24h (12-12 UTC) QPF exceeding 3 in.
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Density of 24h (12-12 UTC) QPF exceeding 5 in.
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3-14 Day U.S. Hazards Assessment – Precipitation
U.S. Flood Potential Maps (NASA)
Flood Model (1)  |
CREST Model |
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GFS + 24 hr Model
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GEOS5 + 24 hr Model
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1 Day Rain Accumulation (35 mm threshold) 
