North Dakota · September 16, 2024

North Dakota hail map — September 16, 2024

NOAA radar detected hail of an inch or more over 2 North Dakota cities on September 16, 2024. The largest stones — 1.00″, quarter size — fell over Grand Forks.

Hail swath map for Grand Forks, ND on September 16, 2024 showing 1.00 inch hail.
Swath over Grand Forks on September 16, 2024 — 1.00″ hail. Each city below has its own map for this storm.
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Cities hit
2
in North Dakota
Largest stone
1.00″
quarter size
Impact rating
3/10
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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North Dakota cities hit on September 16, 2024

What people on the ground measured in North Dakota on September 16, 2024

8 reports filed with the National Weather Service — 2 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.

  • 2.50″ hen egg size Public
    5 WSW Voltaire, ND6:55 PM CDTMcHenry County

    Facebook photo of several hail stones 5 miles south of Velva. Biggest is estimated to be tennis ball size.

  • 2.50″ hen egg size Public
    5 WSW Voltaire, ND7:02 PM CDTMcHenry County

    Social media picture of tennis ball size hail south of Velva earlier this evening.

  • 1.75″ golf ball size Public
    7 W Pick City, ND1:58 AM CDTMercer County

    Public reported hail, some estimated to be up to the size of golf balls, for about 30 minutes from a period of around 1:45 to 2:15 AM CDT. Time estimated by radar when the strongest core was over reported location. Relayed via social media.

  • 1.75″ golf ball size Trained Spotter
    Bergen, ND7:35 PM CDTMcHenry County

    Heavy rain also occurring with the hail.

  • 1.25″ half dollar size Storm Chaser
    4 SW Pick City, ND1:30 AM CDTMercer County
  • 1.00″ quarter size Public
    10 SW Krueger Lake, ND1:30 AM CDTMcLean County

    Report via social media.

  • 1.00″ quarter size Public
    11 NE Hebron, ND3:30 AM CDTMercer County

    Hail fell for about 5 minutes beginning around 3:30 AM CDT, with the largest estimated to be around the size of quarters. Relayed via social media.

  • 0.88″ penny size Trained Spotter
    1 E Drake, ND8:45 PM CDTMcHenry County

    Reports hail not quite the size of quarters and some wind. Time estimated based on radar. Also reports 2.25 inches of 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

North Dakota hail on September 16, 2024

NOAA radar put hail of an inch or more over 2 North Dakota cities that day. The largest stones — 1.00 inches, quarter size — were over Grand Forks. Every city hit is listed above with its own stone size.

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