United States · August 3, 2023

Hail map — August 3, 2023

NOAA radar detected hail of an inch or more over 34 cities across 8 states on August 3, 2023. The largest stones — 1.50″, half dollar size — fell over Aurora, CO.

Hail swath map for Aurora, CO on August 3, 2023 showing 1.50 inch hail.
Largest rendered swath of the day: Aurora, CO — 1.50″ hail. Each city below has its own map for this storm.
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States hit
8
Cities hit
34
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 the US on August 3, 2023

15 reports filed with the National Weather Service — 3 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.

  • 1.75″ golf ball size Public
    6 SE Cedarville, MI3:51 PM EDTLHZ346 County

    Delayed...Report relayed via social media of mainly dime sized hail, but a few golf-ball sized hail stones aboard Joseph L. Block, 5mi W of Martin Reef Light, SE of Cedarville.

  • 1.75″ golf ball size OTHER FEDERAL
    21 SSE PRAIRIE CITY, OR1:30 PM PDTGRANT County

    RELAYED VIA JOHN DAY INTERAGENCY DISPATCH. A LOOKOUT TOWER IN SOUTHEAST GRANT COUNTY REPORTED GOLF BALL SIZED HAIL.

  • 1.75″ golf ball size Trained Spotter
    Kersey, CO7:01 PM MDTWeld County

    Corrects previous hail report from Kersey.

  • 1.75″ golf ball size Trained Spotter
    Kersey, CO7:10 PM MDTWeld County
  • 1.75″ golf ball size Public
    Whitney, NE9:07 PM CDTDawes County

    Report from Facebook of golf ball sized hail.

  • 1.50″ half dollar size Trained Spotter
    5 N Matheson, CO5:41 PM MDTElbert County
  • 1.25″ half dollar size Public
    4 SW Todd Creek, CO3:29 PM MDTAdams County

    Report from mPING: Half Dollar (1.25 in.).

  • 1.25″ half dollar size Public
    4 N Matheson, CO5:50 PM MDTElbert County

    Report from mPING: Half Dollar (1.25 in.).

  • 1.25″ half dollar size Storm Chaser
    11 ENE Pawnee Buttes, CO6:15 PM MDTWeld County
  • 1.25″ half dollar size Public
    Hastings, NY8:37 PM EDTOswego County

    Public report from Hastings of large hail on social media with a photograph.

  • 1.25″ half dollar size Public
    2 ENE Greeley, CO6:44 PM MDTWeld County
  • 1.25″ half dollar size Broadcast Media
    3 SE Central Square, NY9:59 PM EDTOswego County

    Delayed Report. Public report of large hail on social media with a photograph from vicinity of west side of Oneida Lake. Relayed by broadcast media.

  • 1.25″ half dollar size Broadcast Media
    Central Square, NY10:10 PM EDTOswego County

    Public report of large hail on social media with a photograph. Relayed by broadcast media.

  • 1.20″ quarter size Public
    11 NNW Simla, CO5:05 PM MDTElbert County
  • 1.00″ quarter size Public
    2 NNE Manitowoc, WI4:09 PM CDTManitowoc County

Showing the 15 largest of 56 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.

FAQ

US hail on August 3, 2023

NOAA radar put hail of an inch or more over 34 cities across 8 states on August 3, 2023. The largest stones — 1.50 inches, half dollar size — were over Aurora, CO. Every state hit is listed on this page, and every city under it.

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