North Dakota · July 12, 2024

North Dakota hail map — July 12, 2024

NOAA radar detected hail of an inch or more over 2 North Dakota cities on July 12, 2024. The largest stones — 1.50″, half dollar size — fell over Mandan.

Hail swath map for Mandan, ND on July 12, 2024 showing 1.50 inch hail.
Swath over Mandan on July 12, 2024 — 1.50″ hail. Each city below has its own map for this storm.
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Cities hit
2
in North Dakota
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 North Dakota on July 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.

  • 2.75″ baseball size Public
    3 NE Oakdale, ND7:30 PM CDTDunn County

    Report relayed via broadcast media with radar estimated time.

  • 2.50″ hen egg size Public
    5 N Killdeer, ND7:41 PM CDTDunn County

    Report relayed via broadcast media. Radar estimated time.

  • 1.75″ golf ball size Emergency Mngr
    7 S Palermo, ND5:55 PM CDTMountrail County
  • 1.75″ golf ball size Emergency Mngr
    8 NW Plaza, ND6:09 PM CDTMountrail County
  • 1.75″ golf ball size Trained Spotter
    7 NE Oakdale, ND7:20 PM CDTDunn County

    Hail ongoing at the time of the call.

  • 1.75″ golf ball size Public
    5 N Oakdale, ND7:24 PM CDTDunn County

    Report relayed via social media. Radar estimated time.

  • 1.75″ golf ball size Public
    1 NW Center, ND9:50 PM CDTOliver County

    Delayed report from Friday July 12.

  • 1.50″ half dollar size Public
    2 SW Ross, ND5:17 PM CDTMountrail County
  • 1.25″ half dollar size Public
    Mercer, ND8:56 PM CDTMcLean County

    Report relayed via social media with radar estimated time.

  • 1.00″ quarter size Public
    2 SE Corinth, ND4:15 PM CDTWilliams County

    Hailed for about 10 minutes. 0.52 inch of rain.

  • 1.00″ quarter size Trained Spotter
    White Earth, ND5:00 PM CDTMountrail County
  • 1.00″ quarter size Emergency Mngr
    4 W Ross, ND5:15 PM CDTMountrail County

Showing the 12 largest of 20 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

North Dakota hail on July 12, 2024

NOAA radar put hail of an inch or more over 2 North Dakota cities that day. The largest stones — 1.50 inches, half dollar size — were over Mandan. Every city hit is listed above with its own stone size.

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