Iowa · June 12, 2024

Iowa hail map — June 12, 2024

NOAA radar detected hail of an inch or more over 2 Iowa cities on June 12, 2024. The largest stones — 2.00″, hen egg size — fell over Council Bluffs.

Hail swath map for Council Bluffs, IA on June 12, 2024 showing 2.00 inch hail.
Swath over Council Bluffs on June 12, 2024 — 2.00″ hail. Each city below has its own map for this storm.
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Cities hit
2
in Iowa
Largest stone
2.00″
hen egg size
Impact rating
7/10
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 Iowa on June 12, 2024

12 reports filed with the National Weather Service — 5 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.

  • 3.50″ baseball size Public
    3 W Onawa, IA7:31 PM CDTMonona County

    Report from mPING: Baseball++ (3.50 in.).

  • 3.00″ baseball size Trained Spotter
    1 NW Little Sioux, IA8:28 PM CDTHarrison County
  • 2.75″ baseball size Public
    Whiting, IA7:14 PM CDTMonona County

    The office received a photo of significant damage to siding and windows on a home in Whiting, Iowa. This was accompanied by significant car damage and tree damage in the surrounding area. Hail was estimated to have ranged from golf ball to baseball size.

  • 2.50″ hen egg size Emergency Mngr
    3 SW Council Bluffs, IA9:15 PM CDTPottawattamie County
  • 2.00″ hen egg size Public
    Sloan, IA6:50 PM CDTWoodbury County

    Picture in social media.

  • 1.75″ golf ball size Public
    Sloan, IA6:49 PM CDTWoodbury County

    social media picture.

  • 1.75″ golf ball size Trained Spotter
    3 W Whiting, IA6:51 PM CDTMonona County

    Golf ball sized hail along Interstate 29 west of Whiting.

  • 1.75″ golf ball size Trained Spotter
    4 NW Little Sioux, IA8:08 PM CDTHarrison County
  • 1.50″ half dollar size Public
    Salix, IA6:25 PM CDTWoodbury County

    social media picture.

  • 1.50″ half dollar size Storm Chaser
    2 W Sloan, IA6:29 PM CDTWoodbury County
  • 1.50″ half dollar size Public
    2 NNW Sloan, IA6:33 PM CDTWoodbury County

    Picture accompanied report in social media.

  • 1.50″ half dollar size Trained Spotter
    2 N Little Sioux, IA8:21 PM CDTHarrison County

Showing the 12 largest of 15 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

Iowa hail on June 12, 2024

NOAA radar put hail of an inch or more over 2 Iowa cities that day. The largest stones — 2.00 inches, hen egg size — were over Council Bluffs. Every city hit is listed above with its own stone size.

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