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Severe Thunderstorm Warning 0197
Issued by the Bismarck Forecast Office

Action Issued Starts Expiration
New 2025-07-28 06:34:44 2025-07-28 06:34:00 2025-07-28 07:30:00
Continued 2025-07-28 06:46:45 2025-07-28 07:30:00
Continued 2025-07-28 07:02:00 2025-07-28 07:30:00
Continued 2025-07-28 07:11:15 2025-07-28 07:30:00


Action: New
Issued At: 2025-07-28 06:34:44

527 
WUUS53 KBIS 281134
SVRBIS
NDC007-033-053-281230-
/O.NEW.KBIS.SV.W.0197.250728T1134Z-250728T1230Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Bismarck ND
534 AM MDT Mon Jul 28 2025

The National Weather Service in Bismarck has issued a

* Severe Thunderstorm Warning for...
  Northern Golden Valley County in southwestern North Dakota...
  Northern Billings County in southwestern North Dakota...
  Southern McKenzie County in northwestern North Dakota...

* Until 630 AM MDT.

* At 533 AM MDT, severe thunderstorms were located along a line
  extending from 11 miles west of Grassy Butte to 6 miles east of
  Trotters to 8 miles north of Beach, moving east at 25 mph.

  HAZARD...Ping pong ball size hail and 60 mph wind gusts.

  SOURCE...Radar indicated.

  IMPACT...People and animals outdoors will be injured. Expect hail 
           damage to roofs, siding, windows, and vehicles. Expect 
           wind damage to roofs, siding, and trees.

* Locations impacted include...
  South Fairfield, Grassy Butte, Trotters, Fairfield, and Elkhorn
  State Natural Area.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

&&

LAT...LON 4718 10405 4744 10393 4753 10351 4754 10310
      4733 10310 4697 10323 4697 10404
TIME...MOT...LOC 1133Z 269DEG 22KT 4740 10350 4729 10379 4704 10400 

HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.50 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$

HOLLAN


Action: Continued
Issued At: 2025-07-28 06:46:45

878 
WWUS53 KBIS 281146
SVSBIS

Severe Weather Statement
National Weather Service Bismarck ND
546 AM MDT Mon Jul 28 2025

NDC007-033-053-281230-
/O.CON.KBIS.SV.W.0197.000000T0000Z-250728T1230Z/
Golden Valley ND-Billings ND-McKenzie ND-
546 AM MDT Mon Jul 28 2025

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 630 AM MDT
FOR NORTHERN GOLDEN VALLEY...NORTHERN BILLINGS AND SOUTHWESTERN
MCKENZIE COUNTIES...

At 545 AM MDT, severe thunderstorms were located along a line
extending from 10 miles east of Trotters to 10 miles north of
Sentinel Butte, moving east at 20 mph.

HAZARD...Ping pong ball size hail and 60 mph wind gusts.

SOURCE...Radar indicated.

IMPACT...People and animals outdoors will be injured. Expect hail 
         damage to roofs, siding, windows, and vehicles. Expect wind 
         damage to roofs, siding, and trees.

Locations impacted include...
South Fairfield, Grassy Butte, Trotters, Fairfield, and Elkhorn State
Natural Area.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

&&

LAT...LON 4718 10405 4744 10393 4753 10351 4754 10310
      4733 10310 4697 10323 4697 10404
TIME...MOT...LOC 1145Z 261DEG 19KT 4730 10370 4707 10389 

HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.50 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$

HOLLAN


Action: Continued
Issued At: 2025-07-28 07:02:00

242 
WWUS53 KBIS 281201
SVSBIS

Severe Weather Statement
National Weather Service Bismarck ND
601 AM MDT Mon Jul 28 2025

NDC007-033-053-281230-
/O.CON.KBIS.SV.W.0197.000000T0000Z-250728T1230Z/
Golden Valley ND-Billings ND-McKenzie ND-
601 AM MDT Mon Jul 28 2025

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 630 AM MDT
FOR NORTHERN GOLDEN VALLEY...NORTHERN BILLINGS AND SOUTHWESTERN
MCKENZIE COUNTIES...

At 601 AM MDT, severe thunderstorms were located along a line
extending from 15 miles west of Grassy Butte to 14 miles northeast of
Sentinel Butte, moving east at 25 mph.

HAZARD...Golf ball size hail and 60 mph wind gusts.

SOURCE...Radar indicated.

IMPACT...People and animals outdoors will be injured. Expect hail 
         damage to roofs, siding, windows, and vehicles. Expect wind 
         damage to roofs, siding, and trees.

Locations impacted include...
South Fairfield, Grassy Butte, Trotters, Fairfield, and Elkhorn State
Natural Area.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

&&

LAT...LON 4718 10405 4744 10393 4753 10351 4754 10310
      4733 10310 4697 10323 4697 10404
TIME...MOT...LOC 1201Z 265DEG 23KT 4732 10355 4710 10369 

THUNDERSTORM DAMAGE THREAT...CONSIDERABLE
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$

HOLLAN


Action: Continued
Issued At: 2025-07-28 07:11:15

452 
WWUS53 KBIS 281211
SVSBIS

Severe Weather Statement
National Weather Service Bismarck ND
611 AM MDT Mon Jul 28 2025

NDC007-033-053-281230-
/O.CON.KBIS.SV.W.0197.000000T0000Z-250728T1230Z/
Golden Valley ND-Billings ND-McKenzie ND-
611 AM MDT Mon Jul 28 2025

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 630 AM MDT
FOR NORTHERN GOLDEN VALLEY...NORTHERN BILLINGS AND SOUTHWESTERN
MCKENZIE COUNTIES...

At 610 AM MDT, a severe thunderstorm was located 12 miles north of
Medora, or 23 miles northeast of Beach, moving east at 25 mph.

HAZARD...Tennis ball size hail and 60 mph wind gusts.

SOURCE...Radar indicated.

IMPACT...People and animals outdoors will be injured. Expect hail 
         damage to roofs, siding, windows, and vehicles. Expect wind 
         damage to roofs, siding, and trees.

Locations impacted include...
South Fairfield, Grassy Butte, Fairfield, and Elkhorn State Natural
Area.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

This storm is producing large hail. SEEK SHELTER NOW inside a sturdy
structure and stay away from windows.

&&

LAT...LON 4718 10405 4729 10388 4748 10375 4753 10351
      4754 10310 4733 10310 4697 10323 4697 10404
TIME...MOT...LOC 1210Z 263DEG 23KT 4709 10357 

THUNDERSTORM DAMAGE THREAT...CONSIDERABLE
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...2.50 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$

HOLLAN



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