Colorado hail map — July 31, 2023
NOAA radar detected hail of an inch or more over 5 Colorado cities on July 31, 2023. The largest stones — 1.50″, half dollar size — fell over Fort Collins.
- Cities hit
- 5
- in Colorado
- Largest stone
- 1.50″
- half dollar size
- Impact rating
- 5/10
- from stone size
Sizes come from NOAA MRMS radar (MESH), which runs about ±0.25″ against ground truth. It is canvass-targeting quality, not claim evidence.
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What people on the ground measured in Colorado on July 31, 2023
12 reports filed with the National Weather Service — 7 from trained spotters or officials. These are measured stones, not radar estimates, so they are the closest thing to proof that hail actually reached the ground.
- 1.50″ half dollar size Trained Spotter6 NNE Colorado Springs, CO8:25 PM MDTEl Paso County
- 1.25″ half dollar size Trained Spotter6 NNW Kiowa, CO7:55 PM MDTElbert County
- 1.25″ half dollar size Public3 ESE Laporte, CO8:00 PM MDTLarimer County
Report from mPing.
- 1.25″ half dollar size Public5 NE Colorado Springs, CO8:10 PM MDTEl Paso County
Report from mPING: Half Dollar (1.25 in.).
- 1.25″ half dollar size Trained Spotter3 NNW Colorado Springs, CO8:13 PM MDTEl Paso County
- 1.25″ half dollar size Public7 SW Black Forest, CO8:20 PM MDTEl Paso County
Report from mPING: Half Dollar (1.25 in.).
- 1.00″ quarter size Trained Spotter2 NNW Nunn, CO6:46 PM MDTWeld County
Report from mPING: Quarter (1.00 in.).
- 1.00″ quarter size Amateur Radio4 NNE Colorado Springs, CO8:06 PM MDTEl Paso County
- 1.00″ quarter size Trained Spotter3 NE Colorado Springs, CO8:09 PM MDTEl Paso County
- 1.00″ quarter size Trained Spotter6 ENE Black Forest, CO8:14 PM MDTEl Paso County
- 1.00″ quarter size Public6 NNE Colorado Springs, CO8:15 PM MDTEl Paso County
- 1.00″ quarter size Trained Spotter5 NNE Colorado Springs, CO8:16 PM MDTEl Paso County
Showing the 12 largest of 24 hail reports filed that day.
Reports come from the National Weather Service Local Storm Report feed, ingested every 15 minutes. A report records where the observer was, not the full extent of the swath — treat it as evidence about the storm, not about any one roof.
Other states hit on July 31, 2023
The full US hail map for July 31, 2023 →Other Colorado hail days
Colorado hail on July 31, 2023
NOAA radar put hail of an inch or more over 5 Colorado cities that day. The largest stones — 1.50 inches, half dollar size — were over Fort Collins. Every city hit is listed above with its own stone size.