Colorado · June 20, 2024

Colorado hail map — June 20, 2024

NOAA radar detected hail of an inch or more over 5 Colorado cities on June 20, 2024. The largest stones — 1.50″, half dollar size — fell over Grand Junction.

Hail swath map for Grand Junction, CO on June 20, 2024 showing 1.50 inch hail.
Swath over Grand Junction on June 20, 2024 — 1.50″ hail. Each city below has its own map for this storm.
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Cities hit
5
in Colorado
Largest stone
1.50″
half dollar size
Impact rating
5/10
from stone size

Sizes come from NOAA radar, 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 June 20, 2024

8 reports filed with the National Weather Service — 4 from trained observers 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 Public
    4 N Falfa, CO1:51 PM MDTLa Plata County

    Varied from 1/2 inch to over quarter size. Lasted 20 minutes.

  • 1.00″ quarter size NWS Employee
    1 N Grand Junction, CO4:12 PM MDTMesa County
  • 0.75″ penny size NWS Employee
    2 SW Grand Junction, CO4:14 PM MDTMesa County

    Measured 3/4 inch hail, but skylights broken out in Walmart store, so larger hail likely.

  • 0.50″ penny size Trained Spotter
    4 NNE Vallecito, CO1:15 PM MDTLa Plata County

    0.66 inches of rain from 5:30 pm to 7 pm. Daily total 1.20 inches.

  • 0.50″ penny size Cocorahs
    9 SSE Pagosa Springs, CO2:34 PM MDTArchuleta County

    Hail lasted roughly ten minutes and produced a layer of hail on open grass roughly one inch deep.

  • 0.50″ penny size Trained Spotter
    3 SSE Redlands, CO4:04 PM MDTMesa County

    Very strong wind, heavy rain and half inch hail.

  • 0.25″ penny size Public
    4 WSW Montrose, CO11:15 AM MDTMontrose County

    Pea sized hail lasted for roughly a minute.

  • 0.25″ penny size CO-OP Observer
    1 WSW Cortez, CO3:37 PM MDTMontezuma County

    Accompanied by heavy rain.

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.

FAQ

Colorado hail on June 20, 2024

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 Grand Junction. Every city hit is listed above with its own stone size.

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