North Dakota hail map — August 1, 2023
NOAA radar detected hail of an inch or more over 3 North Dakota cities on August 1, 2023. The largest stones — 1.50″, half dollar size — fell over Williston.
- Cities hit
- 3
- in North Dakota
- Largest stone
- 1.50″
- half dollar size
- Impact rating
- 5/10
- 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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North Dakota cities hit on August 1, 2023
What people on the ground measured in North Dakota on August 1, 2023
12 reports filed with the National Weather Service — 2 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.
- 1.75″ golf ball size Emergency MngrNew Town, ND6:20 PM CDTMountrail County
Heavy Rain, Wind gusts 30 to 40 mph.
- 1.75″ golf ball size PublicWatford City, ND6:37 PM CDTMcKenzie County
delayed report from august 1. time estimated from radar. report of golf ball sized hail.
- 1.75″ golf ball size Trained Spotter6 S Raub, ND7:11 PM CDTMcLean County
Heavy Rain with Winds estimated 50 to 60 mph.
- 1.75″ golf ball size Public4 WNW Stanton, ND8:45 PM CDTMercer County
Golf ball size hail reported from social media, lasted 5-7 minutes. 1.30 inches of rain.
- 1.50″ half dollar size PublicEpping, ND5:02 PM CDTWilliams County
Heavy Rain with estimated winds of 30 to 40 mph.
- 1.50″ half dollar size Public2 E New Town, ND6:24 PM CDTMountrail County
Hail report from social media.
- 1.50″ half dollar size Public9 SSW Parshall, ND6:47 PM CDTMcLean County
Report from mPING.
- 1.50″ half dollar size Public1 SE Manning, ND8:04 PM CDTDunn County
delayed report from august 1. relayed through social media. averaged nickel to quarter size but largest was ping pong ball size. time estimated from radar.
- 1.50″ half dollar size Broadcast MediaHazen, ND8:31 PM CDTMercer County
Relayed through broadcast media of hail covering the ground north of Hazen. Largest size was pictured around ping pong ball sized. Time estimated based on radar.
- 1.25″ half dollar size Broadcast MediaTwin Buttes, ND7:18 PM CDTDunn County
Picture relayed through broadcast media of hail bigger than a quarter in Twin Buttes. Time estimated based on radar.
- 1.25″ half dollar size PublicKilldeer, ND7:37 PM CDTDunn County
delayed report from august 1. hail estimated at quarter and half dollar size. report from social media.
- 1.25″ half dollar size PublicWilton, ND9:15 PM CDTMcLean County
Information provided by broadcast media partner.
Showing the 12 largest of 26 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.
Other North Dakota hail days
North Dakota hail on August 1, 2023
NOAA radar put hail of an inch or more over 3 North Dakota cities that day. The largest stones — 1.50 inches, half dollar size — were over Williston. Every city hit is listed above with its own stone size.