North Dakota, 2023

Hail and Damaging Winds in North Dakota, July 29, 2023

July 29, 2023 · NWS BIS · 6 events in 4 counties and zones

Thunderstorms developed over western North Dakota in an environment with strong deep layer shear and elevated instability. Some of these storms became severe, producing large hail and strong wind gusts.

Where it happened

Every event with a place to put it. Tap one for its entry below.

  • Tornadoes
  • Tropical storms and surge
  • Floods
  • Wind
  • Hail
  • Winter weather
  • Heat and drought
  • Cold
  • Fire, smoke and dust
  • Marine and coastal
  • Other

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The toll

Deaths
0
Injuries
0
Property damage
None recorded
Crop damage
None recorded
Events
6

Deaths and injuries are direct and indirect together, as the offices filed them. Damage is property and crops in the dollars of the year, not adjusted for inflation, and only where an office estimated it.

What happened

The episode as NWS BIS wrote it up.

Thunderstorms developed over western North Dakota in an environment with strong deep layer shear and elevated instability. Some of these storms became severe, producing large hail and strong wind gusts. The largest hail reported was the size of a golf ball, which occurred near Oakdale and near Twin Buttes, both in Dunn County. The strongest wind gust reported was 79 mph at the Grassy Butte NDAWN station in McKenzie County.

The radar

The Bismarck radar (KBIS), 228 km away, was scanning. The volume nearest the first event began at 00:29 UTC.

Open the radar archive at this moment

Event by event

4 hail, 2 thunderstorm wind. Local standard time, as filed.

Hail, Golden Valley

When
July 29, 5:30 PM MST to 5:34 PM MST
Where
Golden Valley County, 6.43 mi NE of Sentinel Butte
Measured
1 in hail
Reported by
Trained Spotter
Coordinates
46.990, -103.740

Thunderstorm Wind, McKenzie

When
July 29, 5:48 PM MST to 5:50 PM MST
Where
McKenzie County, 2.44 mi ESE of Grassy Butte
Measured
69 kt (79 mph) measured gust
Reported by
Mesonet
Coordinates
47.390, -103.200

Hail, McKenzie

When
July 29, 5:48 PM MST to 5:51 PM MST
Where
McKenzie County, 2.44 mi ESE of Grassy Butte
Measured
1 in hail
Reported by
Mesonet
Coordinates
47.390, -103.200

Hail, Dunn

When
July 29, 6:16 PM MST to 6:19 PM MST
Where
Dunn County, 5.58 mi NW of Killdeer
Measured
1.75 in hail
Reported by
Public
Coordinates
47.430, -102.850

Thunderstorm Wind, Slope

When
July 29, 7:02 PM MST to 7:04 PM MST
Where
Slope County, 0.84 mi NE of Amidon
Measured
51 kt (59 mph) measured gust
Reported by
Mesonet
Coordinates
46.490, -103.310

Hail, Dunn

When
July 29, 7:14 PM MST to 7:17 PM MST
Where
Dunn County, 14.98 mi NNE of Werner
Measured
1.75 in hail
Reported by
Broadcast Media
Coordinates
47.580, -102.390

What these are

Hail
Hail three-quarters of an inch or larger, or smaller hail that caused damage, filed with the largest stone measured.
Thunderstorm Wind
Winds from a thunderstorm of 50 knots (58 mph) or more, or lower winds that caused damage or casualties. Measured gusts are marked MG, estimated EG.

After NWS Directive 10-1605, the rules offices file Storm Data by.

The same day elsewhere

More

Every storm in North Dakota in 2023Every state in 2023This day in weather historyWarnings in North Dakota, July 2023

Sources

NOAA National Centers for Environmental Information, Storm Events Database, compiled from the National Weather Service’s monthly Storm Data. Complete through 2026-06; NCEI adds each month about 75 days after it ends and revises past years a few times a year. Rebuilt 2026-10-01. Each event’s entry at NCEI: 1114818, 1114820, 1114821, 1114822, 1114823, 1114824.