Colorado hail map — August 27, 2023
NOAA radar detected hail of an inch or more over 1 Colorado city on August 27, 2023. The largest stones — 1.00″, quarter size — fell over Fort Collins.
- Cities hit
- 1
- in Colorado
- Largest stone
- 1.00″
- quarter size
- Impact rating
- 3/10
- 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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Colorado cities hit on August 27, 2023
What people on the ground measured in Colorado on August 27, 2023
6 reports filed with the National Weather Service — 1 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.
- 1.25″ half dollar size Cocorahs3.5 SW Fort Collins, CO3:00 PM MDTLarimer County
- 1.00″ quarter size Cocorahs2.5 NW Fort Collins, CO3:00 PM MDTLarimer County
- 1.00″ quarter size Cocorahs3 W Fort Collins, CO3:06 PM MDTLarimer County
Report from mPING: Quarter (1.00 in.).
- 0.88″ penny size Cocorahs2.8 W Fort Collins, CO3:05 PM MDTLarimer County
Extensive leaf damage reported to apple tree and garden.
- 0.75″ penny size Public2 NW Fort Collins, CO3:03 PM MDTLarimer County
Report from mPING: Dime (0.75 in.).
- 0.50″ penny size Trained Spotter6 NNW Peterson AFB, CO4:10 PM MDTEl Paso County
heavy rain - 1/3 inch in less than 20 minutes.
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 August 27, 2023
The full US hail map for August 27, 2023 →Other Colorado hail days
Colorado hail on August 27, 2023
NOAA radar put hail of an inch or more over 1 Colorado city that day. The largest stones — 1.00 inches, quarter size — were over Fort Collins. Every city hit is listed above with its own stone size.