United States · September 24, 2023

Hail map — September 24, 2023

NOAA radar detected hail of an inch or more over 32 cities across 1 state on September 24, 2023. The largest stones — 2.00″, hen egg size — fell over Austin, TX.

Hail swath map for Austin, TX on September 24, 2023 showing 2.00 inch hail.
Largest rendered swath of the day: Austin, TX 2.00″ hail. Each city below has its own map for this storm.
States hit
1
Cities hit
32
Largest stone
2.00
hen egg size
Impact rating
7/10
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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States hit on September 24, 2023

Every state where NOAA radar put an inch or more of hail over a city that day, biggest stone first.

What people on the ground measured in the US on September 24, 2023

15 reports filed with the National Weather Service4 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.

  • 4.00 softball size Public
    1 NW Round Rock, TX9:21 PM CDTWilliamson County

    Delayed report from public via Twitter.

  • 3.75 baseball size Public
    1 W Round Rock, TX9:27 PM CDTWilliamson County

    Report from mPING Grapefruit.

  • 3.50 baseball size Broadcast Media
    2 NW Round Rock, TX8:57 PM CDTWilliamson County

    Numerous vehicles damaged with broken windows, windshields at the Kia dealership and from around Round Rock. Time estimated via radar.

  • 3.00 baseball size Utility Company
    2 NW Windemere, TX9:00 PM CDTWilliamson County

    3 inch hail measured near intersection of TX 45 and I-35 around 9 pm.

  • 3.00 baseball size Trained Spotter
    1 NNW Round Rock, TX9:15 PM CDTWilliamson County

    Intersection of Heather Drive and Highway 79.

  • 3.00 baseball size PUBLIC
    2 S PFLUGERVILLE, TX9:20 PM CDTTRAVIS County

    REPORT FROM MPING TEA CUP.

  • 3.00 baseball size Public
    4 N Austin, TX9:55 PM CDTTravis County

    3 inch hail reported on Burnet Ln in Brentwood via X.

  • 2.75 baseball size Emergency Mngr
    Blooming Grove, TX8:30 PM CDTNavarro County
  • 2.75 baseball size Trained Spotter
    3 N Round Rock, TX8:54 PM CDTWilliamson County
  • 2.50 hen egg size Public
    2 SW Georgetown, TX8:35 PM CDTWilliamson County
  • 2.50 hen egg size PUBLIC
    4 NE AUSTIN, TX10:10 PM CDTTRAVIS County

    REPORT FROM MPING TENNIS BALL.

  • 2.50 hen egg size PUBLIC
    1 SSW AUSTIN, TX10:17 PM CDTTRAVIS County

    VIA X.

  • 2.50 hen egg size Trained Spotter
    1 N Austin, TX10:17 PM CDTTravis County

    2.50 inch measured hail in central Austin via picture via X.

  • 2.50 hen egg size Public
    5 N Austin, TX10:29 PM CDTTravis County

    Report from mPING Tennis Ball.

  • 2.25 hen egg size Public
    2 N Garland, TX6:50 PM CDTDallas County

    Corrects previous hail report from 2 N Garland. 2 and 2.25 inch hail was reported via mPing and the public.

Showing the 15 largest of 109 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 September 24, 2023

NOAA radar put hail of an inch or more over 32 cities across 1 state on September 24, 2023. The largest stones — 2.00 inches, hen egg size — were over Austin, TX. Every state hit is listed on this page, and every city under it.

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