Alert archive / North Dakota / Severe Thunderstorm Warnings in 2025

Severe Thunderstorm Warning 121, NWS Bismarck, ND

July 9, 20254 counties in North Dakota

NWS Bismarck, ND issued this severe thunderstorm warning at Jul 9, 2025, 4:44 PM MDT for 4 counties in North Dakota. It was in force for 46 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Jul 9, 2025, 4:44 PM MDT (22:44 UTC)
Expired
Jul 9, 2025, 5:30 PM MDT
In force
46 min
Issued by
NWS Bismarck, ND
Area
Storm-based polygon
Hail
1.0 in
Wind
60.0 mph

Counties Adams County, ND, Grant County, ND, Hettinger County, ND, Morton County, ND

The radar

The Bismarck radar (KBIS), 102 km from the middle of the area, began a volume at 22:45 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Jul 9, 1:47 PM MDTSevere Thunderstorm WatchSPC7 hr

The nearest sounding before it

Aberdeen, SD (KABR), launched 12:00Z, 10.7 hours before the alert went out and 324 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-pSkew-T log-p diagram, Aberdeen, SD at 12:00Z on 2025-07-09Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Aberdeen, SD at 12:00Z on 2025-07-09The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 106 square meters per square second.1939Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1433 m above ground
0-6 km bulk shear
22 kt
0-1 km storm-relative helicity
106 m²/s²
0-3 km storm-relative helicity
271 m²/s²
Significant tornado parameter
0.0
Supercell composite
4.6

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this severe thunderstorm warning went out, 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 this severe thunderstorm warning went out at Jul 9, 3:02 PM MDT, 1 hour 42 minutes earlier.

Area forecast discussion, Jul 9, 3:02 PM MDT, 1 hour 42 minutes before
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Hazardous weather outlook, Jul 9, 2:07 PM MDT, 2 hours 37 minutes before
Hazardous Weather Outlook
National Weather Service Bismarck ND
307 PM CDT Wed Jul 9 2025

NDZ003>005-011>013-018-021>023-025-033-037-040-041-043-044-102015-
Renville-Bottineau-Rolette-Ward-McHenry-Pierce-Dunn-McLean-
Sheridan-Wells-Foster-Stark-Stutsman-Slope-Hettinger-Bowman-Adams-
307 PM CDT Wed Jul 9 2025 /207 PM MDT Wed Jul 9 2025/

This Hazardous Weather Outlook is for portions of north central
North Dakota, south central North Dakota, southeast North Dakota,
and southwest North Dakota.

.DAY ONE...This Afternoon and Tonight

Isolated to scattered severe thunderstorms could develop
this afternoon and evening. The expected hazards are hail up to
the size of golf balls, damaging wind gusts up to 70 mph, and a
tornado possible.

.DAYS TWO THROUGH SEVEN...Thursday through Tuesday

Isolated to scattered severe thunderstorms could develop Thursday
afternoon and evening. The expected hazards are hail up to the
size of golf balls, damaging winds gusts up to 60 mph, and
locally heavy rainfall.

.SPOTTER INFORMATION STATEMENT...

Spotters are encouraged to report any large hail, damaging winds,
and tornadoes.

NDZ001-002-009-010-017-031-032-102015-
Divide-Burke-Williams-Mountrail-McKenzie-Golden Valley-Billings-
307 PM CDT Wed Jul 9 2025 /207 PM MDT Wed Jul 9 2025/

This Hazardous Weather Outlook is for portions of northwest North
Dakota and southwest North Dakota.

.DAY ONE...This Afternoon and Tonight

Isolated to scattered thunderstorms are possible through tonight.
Severe weather is not expected.

.DAYS TWO THROUGH SEVEN...Thursday through Tuesday

Isolated to scattered severe thunderstorms could develop Thursday
afternoon and evening. The main expected hazards are hail up to
the size of golf balls, damaging winds gusts up to 60 mph, and
locally heavy rainfall.

.SPOTTER INFORMATION STATEMENT...

Spotter activation will not be needed.

NDZ019-020-034>036-042-045>048-050-051-102015-
Mercer-Oliver-Morton-Burleigh-Kidder-Grant-Sioux-Emmons-Logan-
La Moure-McIntosh-Dickey-
307 PM CDT Wed Jul 9 2025 /207 PM MDT Wed Jul 9 2025/

This Hazardous Weather Outlook is for portions of south central
North Dakota and southeast North Dakota.

.DAY ONE...This Afternoon and Tonight

A Heat Advisory is in effect through much of the evening. See
more details at www.weather.gov/bis.

Isolated to scattered severe thunderstorms could develop
this afternoon and evening. The expected hazards are hail up to
the size of golf balls, damaging wind gusts up to 70 mph, and a
tornado possible.

.DAYS TWO THROUGH SEVEN...Thursday through Tuesday

Isolated to scattered severe thunderstorms could develop Thursday
afternoon and evening. The expected hazards are hail up to the
size of golf balls, damaging winds gusts up to 60 mph, and
locally heavy rainfall.

.SPOTTER INFORMATION STATEMENT...

Spotters are encouraged to report any large hail, damaging winds,
and tornadoes.

In the hours before

Special weather statement, Jul 9, 2:38 PM MDT, 2 hours 6 minutes before
Special Weather Statement
National Weather Service Bismarck ND
238 PM MDT Wed Jul 9 2025

NDZ041-043-044-092115-
Hettinger ND-Adams ND-Bowman ND-
238 PM MDT Wed Jul 9 2025

...STRONG THUNDERSTORMS WILL IMPACT SOUTHEASTERN BOWMAN...SOUTHERN
HETTINGER AND ADAMS COUNTIES THROUGH 315 PM MDT...

At 237 PM MDT, Doppler radar was tracking a cluster of strong
thunderstorms near Hettinger, moving southeast at 20 mph.

HAZARD...Wind gusts of 50 to 55 mph and nickel size hail.

SOURCE...Radar indicated.

IMPACT...Gusty winds could knock down tree limbs and blow around
         unsecured objects. Minor hail damage to vegetation is
         possible.

Locations impacted include...
Hettinger, Mott, Reeder, Haynes, Bucyrus, and Gascoyne.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building.

A Severe Thunderstorm Watch remains in effect until 900 PM MDT for
southwestern North Dakota.

&&

LAT...LON 4595 10313 4621 10311 4647 10240 4633 10212
      4594 10219
TIME...MOT...LOC 2037Z 297DEG 16KT 4606 10258

MAX HAIL SIZE...0.88 IN
MAX WIND GUST...55 MPH

MDJ
Local storm report, Jul 9, 4:25 PM MDT, 19 minutes before
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The office that day

Everything else NWS Bismarck, ND issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jul 9, 2:55 AM MDTSpecial Weather StatementBISWard35 min
Jul 9, 4:01 AM MDTSpecial Weather StatementBISMcHenry44 min
Jul 9, 4:25 AM MDTSpecial Weather StatementBISMcHenry50 min
Jul 9, 5:52 AM MDTSpecial Weather StatementBISBottineau23 min
Jul 9, 6:12 AM MDTSpecial Weather StatementBISBottineau48 min
Jul 9, 6:22 AM MDTSpecial Weather StatementBISSheridan38 min
Jul 9, 11:46 AM MDTHeat AdvisoryBISBurleigh, Dickey, Emmons, Grant, Kidder, LaMoure and 4 more7 hr
Jul 9, 2:38 PM MDTSpecial Weather StatementBISAdams, Hettinger37 min
Jul 9, 2:49 PM MDTSevere Thunderstorm WarningBISAdams, Grant, Hettinger, Sioux56 min
Jul 9, 3:10 PM MDTSevere Thunderstorm WarningBISAdams, Grant, Hettinger65 min
Jul 9, 3:47 PM MDTSevere Thunderstorm WarningBISGrant, Hettinger58 min
Jul 9, 5:28 PM MDTSpecial Weather StatementBISBurleigh32 min
Jul 9, 5:31 PM MDTSpecial Weather StatementBISGrant44 min
Jul 9, 5:50 PM MDTSpecial Weather StatementBISHettinger40 min

Nearby

Severe Thunderstorm Warnings in North Dakota, 2025Every severe thunderstorm warning in 2025

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.