Severe weather developed over central into parts of western North Dakota in an environment of enhanced instability and marginal deep layer shear. Many crops were damaged as hail combined with strong wind gusts.
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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.
The episode as NWS BIS wrote it up.
Severe weather developed over central into parts of western North Dakota in an environment of enhanced instability and marginal deep layer shear. Many crops were damaged as hail combined with strong wind gusts. The strongest reported wind gust was 76 mph in Mountrail County, while the largest hail was one inch in diameter and occurred with several of the storms in Oliver, McLean, and Mountrail counties. Later in the episode, the focus turned towards flash flooding which occurred in Burleigh County, primarily in and around the city of Bismarck. Vehicles were stranded in flood waters to the south of the North Dakota State Capitol Grounds, and in the 7th Street underpass. Storm sewers were overwhelmed, with manhole covers being pushed off and flood waters escaping.
The local office's own words before the first event, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Bismarck, ND wrote its last area forecast discussion before the first event at Aug 23, 1:56 PM CST, 1 hour 9 minutes earlier.
AREA FORECAST DISCUSSION National Weather Service Bismarck ND 256 PM CDT Tue Aug 23 2022 .SHORT TERM...(This Evening through Wednesday) Issued at 243 PM CDT Tue Aug 23 2022 Satellite imagery shows thunderstorms over north central North Dakota are beginning to fizzle out while storms begin to bubble across the southwest. An upper level disturbance over eastern Montana extending into western South Dakota will continue move northeastward into North Dakota. Warmer temperatures in the lower 90s with dewpoints in the lower 60s will provide plenty of energy for afternoon storms. This will lead to CAPE values around 1500-2000 j/kg with 0-6km bulk shear up to 30 kts over central North Dakota. Therefore, an isolated strong to severe storm should not be ruled out. Convection continues to bubble up in the southwest this afternoon while the CAMs highlight an area of precip along the HWY 83 corridor this evening. Thunderstorms along a stationary front slowly moving southward, located from Tioga to Minot, could see the greatest chance for severe weather this afternoon. Inverted V soundings and high D-CAPE around 1000 j/kg could support outflow winds up to 60 mph. Quarter size hail is possible this afternoon and evening from any strong to severe storms over central North Dakota. Thunderstorms could also produce brief heavy rain with PWATs well over 1 inch. Rain chances will continue overnight across much of the region. Thunderstorms are possible tonight, however the strong to severe threat should subside. A cold front is expected to move through the area tonight bringing low stratus deck in from Canada that will linger through tomorrow afternoon. Patchy fog is set to develop over portions of north central and northwestern North Dakota early this morning. Low temperatures are forecast to cool off into the upper 50s to lower 60s. High temperatures Wednesday are forecast to stay in 70s across the state with some lingering rain showers across the south. .LONG TERM...(Wednesday Night through Tuesday) Issued at 243 PM CDT Tue Aug 23 2022 Surface high pressure over the Dakotas is going to progress eastward Thursday as a shortwave over Montana. The aforementioned shortwave is going to increase precipitation chances Friday afternoon across the west. Temperatures are forecast to fairly cool in the upper 70s to 80s through work week with a warming trend returning this weekend. A slow moving cutoff low over the Pacific Northwest is forecast to reach the Northern Plains this weekend bringing increased chances for severe weather over the weekend. The CSU MLP is highlighting a 15% chance for severe weather Friday and Saturday. We will see how models develop the aforementioned system this weekend. && .AVIATION...(For the 18Z TAFS through 18Z Wednesday Afternoon) Issued at 1248 PM CDT Tue Aug 23 2022 Thunderstorms are possible this afternoon and evening across much of the state. As storms develop AMDs will be made to match current conditions, as confidence on timing and location of storms remains low. VFR conditions will continue this through this evening until a low cloud deck moves in from the north. This will bring widespread IFR to LIFR conditions to the region tomorrow morning. However, KBIS and KJMS may be on the edge of the low cloud deck, therefore they were left VFR for now. && .BIS WATCHES/WARNINGS/ADVISORIES... None. && SHORT TERM...Johnson LONG TERM...Johnson AVIATION...Johnson
Hazardous Weather Outlook National Weather Service Bismarck ND 218 PM CDT Tue Aug 23 2022 NDZ002>005-010>013-019>023-034>036-241930- Burke-Renville-Bottineau-Rolette-Mountrail-Ward-McHenry-Pierce- Mercer-Oliver-McLean-Sheridan-Wells-Morton-Burleigh-Kidder- 218 PM CDT Tue Aug 23 2022 /118 PM MDT Tue Aug 23 2022/ This Hazardous Weather Outlook is for portions of north central North Dakota, northwest North Dakota, and south central North Dakota. .DAY ONE...This Afternoon and Tonight Isolated to scattered thunderstorms are possible today through this evening. Strong to severe thunderstorms are possible with quarter hail size and winds gusts up to 60 mph. .DAYS TWO THROUGH SEVEN...Wednesday through Monday The probability for widespread hazardous weather is low. .SPOTTER INFORMATION STATEMENT... Spotter activation will not be needed. NDZ001-009-017-018-025-031>033-037-040>048-050-051-241930- Divide-Williams-McKenzie-Dunn-Foster-Golden Valley-Billings-Stark- Stutsman-Slope-Hettinger-Grant-Bowman-Adams-Sioux-Emmons-Logan- La Moure-McIntosh-Dickey- 218 PM CDT Tue Aug 23 2022 /118 PM MDT Tue Aug 23 2022/ This Hazardous Weather Outlook is for portions of northwest North Dakota, south central North Dakota, southeast North Dakota, and southwest North Dakota. .DAY ONE...This Afternoon and Tonight Isolated thunderstorms are possible today through this evening. Severe weather is not likely. .DAYS TWO THROUGH SEVEN...Wednesday through Monday The probability for widespread hazardous weather is low. .SPOTTER INFORMATION STATEMENT... Spotter activation will not be needed.
Special Weather Statement
National Weather Service Bismarck ND
142 PM MDT Tue Aug 23 2022
NDZ033-040-041-232015-
Hettinger ND-Stark ND-Slope ND-
142 PM MDT Tue Aug 23 2022
...A STRONG THUNDERSTORM WILL IMPACT PORTIONS OF NORTHWESTERN
HETTINGER, NORTHEASTERN SLOPE AND SOUTHWESTERN STARK COUNTIES THROUGH
215 PM MDT...
At 142 PM MDT, a strong thunderstorm was located 9 miles northwest of
New England, or 17 miles southwest of Dickinson, moving east at 15
mph.
HAZARD...Wind gusts to 50 mph and penny size hail.
SOURCE...Radar indicated.
IMPACT...Gusty winds could knock down tree limbs and blow around
unsecured objects. Minor damage to outdoor objects is
possible.
This strong thunderstorm will be near...
New England around 200 PM MDT.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
If outdoors, consider seeking shelter inside a building.
&&
LAT...LON 4656 10306 4674 10307 4679 10267 4652 10265
TIME...MOT...LOC 1942Z 267DEG 13KT 4665 10296
MAX HAIL SIZE...0.75 IN
MAX WIND GUST...50 MPH
SAVADELThe Minot AFB radar (KMBX), 103 km away, was scanning. The volume nearest the first event began at 21:02 UTC.
7 hail, 5 thunderstorm wind, 1 flash flood. Local standard time, as filed.
Hail combined with winds gusting to over 70 mph to produce extensive crop damage to lentils, wheat, canola, and corn.
Hail combined with winds gusting to over 70 mph to produce extensive crop damage to lentils, wheat, canola, and corn.
The thunderstorm wind gusts combined with dime size hail to cause crop damage.
Thunderstorm wind gusts were estimated by the public.
Thunderstorm wind gusts were estimated by an NWS Employee.
Flash flooding occurred primarily in and around the city of Bismarck. Vehicles were stranded in flood waters to the south of the North Dakota State Capitol Grounds, and in the 7th Street underpass. Storm sewers were overwhelmed, with manhole covers being pushed off and flood waters escaping.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in North Dakota in 2022Every state in 2022This day in weather historyWarnings in North Dakota, August 2022
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 2026-09-24. Each event’s entry at NCEI: 1046960, 1046962, 1046961, 1046963, 1046964, 1046965, 1046966, 1046967, 1046968, 1046969, 1046970, 1046971, 1046981.