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Home Return to list Severe Thunderstorm Warning 0166 Issued by the Bismarck Forecast Office
Action: New Issued At: 2025-07-25 22:57:16
963
WUUS53 KBIS 260356
SVRBIS
NDC037-057-059-065-260500-
/O.NEW.KBIS.SV.W.0166.250726T0356Z-250726T0500Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Bismarck ND
1056 PM CDT Fri Jul 25 2025
The National Weather Service in Bismarck has issued a
* Severe Thunderstorm Warning for...
Western Morton County in south central North Dakota...
Southwestern Oliver County in south central North Dakota...
South central Mercer County in south central North Dakota...
Grant County in south central North Dakota...
* Until midnight CDT/1100 PM MDT/.
* At 1056 PM CDT/956 PM MDT/, severe thunderstorms were located along
a line extending from near Hebron to 7 miles west of Heart Butte
Dam to 4 miles southwest of New Leipzig, moving east at 30 mph.
HAZARD...70 mph wind gusts and quarter size hail.
SOURCE...Radar indicated.
IMPACT...Hail damage to vehicles is expected. Expect considerable
tree damage. Wind damage is also likely to mobile homes,
roofs, and outbuildings.
* Locations impacted include...
New Salem, Glen Ullin, Hebron, Elgin, Carson, New Leipzig, Almont,
Hannover, Heart Butte Dam, Judson, Lark, Raleigh, Leith, Heil, St.
Gertrude, and Fish Creek Dam.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 4628 10200 4628 10205 4663 10205 4663 10210
4703 10209 4717 10139 4671 10123 4623 10125
4623 10200
TIME...MOT...LOC 0356Z 258DEG 27KT 4695 10207 4663 10196 4632 10199
THUNDERSTORM DAMAGE THREAT...CONSIDERABLE
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...70 MPH
$$
ANGLIN
Action: Continued Issued At: 2025-07-25 23:19:47
616
WWUS53 KBIS 260419
SVSBIS
Severe Weather Statement
National Weather Service Bismarck ND
1119 PM CDT Fri Jul 25 2025
NDC037-057-059-065-260500-
/O.CON.KBIS.SV.W.0166.000000T0000Z-250726T0500Z/
Morton ND-Oliver ND-Mercer ND-Grant ND-
1119 PM CDT Fri Jul 25 2025
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL MIDNIGHT
CDT/1100 PM MDT/ FOR WESTERN MORTON...SOUTHWESTERN OLIVER...SOUTH
CENTRAL MERCER AND GRANT COUNTIES...
At 1119 PM CDT/1019 PM MDT/, severe thunderstorms were located along
a line extending from 11 miles northeast of Hebron to 5 miles
northeast of Heart Butte Dam to 5 miles southeast of Elgin, moving
east at 30 mph.
HAZARD...70 mph wind gusts and quarter size hail.
SOURCE...Radar indicated.
IMPACT...Hail damage to vehicles is expected. Expect considerable
tree damage. Wind damage is also likely to mobile homes,
roofs, and outbuildings.
Locations impacted include...
New Salem, Glen Ullin, Hebron, Elgin, Carson, New Leipzig, Almont,
Hannover, Heart Butte Dam, Judson, Lark, Raleigh, Leith, Heil, St.
Gertrude, and Fish Creek Dam.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 4628 10204 4636 10205 4663 10205 4663 10209
4671 10210 4703 10209 4717 10139 4671 10123
4623 10125 4623 10200 4628 10200
TIME...MOT...LOC 0419Z 258DEG 27KT 4698 10184 4666 10173 4635 10176
THUNDERSTORM DAMAGE THREAT...CONSIDERABLE
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...70 MPH
$$
ANGLIN
Action: Continued Issued At: 2025-07-25 23:32:18
884
WWUS53 KBIS 260431
SVSBIS
Severe Weather Statement
National Weather Service Bismarck ND
1131 PM CDT Fri Jul 25 2025
NDC037-057-059-065-260500-
/O.CON.KBIS.SV.W.0166.000000T0000Z-250726T0500Z/
Morton ND-Oliver ND-Mercer ND-Grant ND-
1131 PM CDT Fri Jul 25 2025
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL MIDNIGHT
CDT/1100 PM MDT/ FOR WESTERN MORTON...SOUTHWESTERN OLIVER...SOUTH
CENTRAL MERCER AND NORTHERN GRANT COUNTIES...
At 1131 PM CDT/1031 PM MDT/, severe thunderstorms were located along
a line extending from 13 miles northeast of Glen Ullin to 6 miles
southwest of Almont to 5 miles southwest of Carson, moving east at 30
mph.
HAZARD...70 mph wind gusts and quarter size hail.
SOURCE...Radar indicated.
IMPACT...Hail damage to vehicles is expected. Expect considerable
tree damage. Wind damage is also likely to mobile homes,
roofs, and outbuildings.
Locations impacted include...
New Salem, Glen Ullin, Hebron, Carson, Almont, Hannover, Heart Butte
Dam, Judson, Lark, Raleigh, Leith, Heil, St. Gertrude, and Fish Creek
Dam.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 4638 10172 4654 10190 4661 10195 4669 10201
4688 10207 4703 10206 4704 10204 4717 10139
4671 10123 4623 10125 4631 10161
TIME...MOT...LOC 0431Z 258DEG 27KT 4700 10172 4668 10161 4637 10164
THUNDERSTORM DAMAGE THREAT...CONSIDERABLE
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...70 MPH
$$
ANGLIN
Action: Continued Issued At: 2025-07-25 23:41:48
970
WWUS53 KBIS 260441
SVSBIS
Severe Weather Statement
National Weather Service Bismarck ND
1141 PM CDT Fri Jul 25 2025
NDC037-057-059-065-260500-
/O.CON.KBIS.SV.W.0166.000000T0000Z-250726T0500Z/
Morton ND-Oliver ND-Mercer ND-Grant ND-
1141 PM CDT Fri Jul 25 2025
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL MIDNIGHT
CDT/1100 PM MDT/ FOR WESTERN MORTON...SOUTHWESTERN OLIVER...SOUTHERN
MERCER AND NORTH CENTRAL GRANT COUNTIES...
At 1141 PM CDT/1041 PM MDT/, severe thunderstorms were located along
a line extending from 11 miles southwest of Hannover to near Almont
to near Carson, moving east at 30 mph.
HAZARD...60 mph wind gusts and quarter size hail.
SOURCE...Radar indicated.
IMPACT...Hail damage to vehicles is expected. Expect wind damage to
roofs, siding, and trees.
Locations impacted include...
New Salem, Glen Ullin, Almont, Hannover, Judson, Lark, and Fish Creek
Dam.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 4649 10160 4666 10183 4687 10192 4696 10192
4709 10178 4717 10139 4671 10123 4640 10125
TIME...MOT...LOC 0441Z 258DEG 27KT 4701 10163 4669 10152 4638 10155
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
ANGLIN
Action: Expired Issued At: 2025-07-25 23:55:18
313
WWUS53 KBIS 260454
SVSBIS
Severe Weather Statement
National Weather Service Bismarck ND
1154 PM CDT Fri Jul 25 2025
NDC037-057-059-065-260504-
/O.EXP.KBIS.SV.W.0166.000000T0000Z-250726T0500Z/
Morton ND-Oliver ND-Mercer ND-Grant ND-
1154 PM CDT Fri Jul 25 2025
...THE SEVERE THUNDERSTORM WARNING FOR WESTERN MORTON...SOUTHWESTERN
OLIVER...SOUTHERN MERCER AND NORTH CENTRAL GRANT COUNTIES WILL EXPIRE
AT MIDNIGHT CDT/1100 PM MDT/...
The storms which prompted the warning have weakened below severe
limits, and have exited the warned area. Therefore, the warning will
be allowed to expire.
A Severe Thunderstorm Watch remains in effect until 200 AM CDT/100 AM
MDT/ for south central North Dakota.
&&
LAT...LON 4649 10160 4666 10183 4687 10192 4696 10192
4709 10178 4717 10139 4671 10123 4640 10125
TIME...MOT...LOC 0454Z 258DEG 27KT 4703 10150 4671 10139 4640 10142
$$
ANGLIN
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