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Tornado Warning 0040Bismarck, ND
Tornado Warning 0053Bismarck, ND
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Severe Thunderstorm Warning 0275
Issued by the Bismarck Forecast Office

Action Issued Starts Expiration
New 2025-09-12 18:39:28 2025-09-12 18:39:00 2025-09-12 19:30:00
Continued 2025-09-12 19:04:59 2025-09-12 19:30:00
Expired 2025-09-12 19:31:30 2025-09-12 19:30:00


Action: New
Issued At: 2025-09-12 18:39:28

438 
WUUS53 KBIS 122339
SVRBIS
NDC029-085-130030-
/O.NEW.KBIS.SV.W.0275.250912T2339Z-250913T0030Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Bismarck ND
639 PM CDT Fri Sep 12 2025

The National Weather Service in Bismarck has issued a

* Severe Thunderstorm Warning for...
  Northeastern Sioux County in south central North Dakota...
  Southwestern Emmons County in south central North Dakota...

* Until 730 PM CDT.

* At 638 PM CDT, a severe thunderstorm was located near Prairie
  Knights Resort, or 23 miles west of Linton, moving southeast at 15
  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...
  Fort Yates, Cannon Ball, Prairie Knights Resort, Cattail Recreation
  Area, and Beaver Bay Recreation Area.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

Torrential rainfall is occurring with this storm, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.

&&

LAT...LON 4634 10086 4641 10061 4618 10032 4606 10048
      4608 10074
TIME...MOT...LOC 2338Z 331DEG 13KT 4630 10073 

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

$$

ADAM


Action: Continued
Issued At: 2025-09-12 19:04:59

164 
WWUS53 KBIS 130004
SVSBIS

Severe Weather Statement
National Weather Service Bismarck ND
704 PM CDT Fri Sep 12 2025

NDC029-085-130030-
/O.CON.KBIS.SV.W.0275.000000T0000Z-250913T0030Z/
Sioux ND-Emmons ND-
704 PM CDT Fri Sep 12 2025

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 730 PM CDT
FOR EAST CENTRAL SIOUX AND SOUTHWESTERN EMMONS COUNTIES...

At 704 PM CDT, a severe thunderstorm was located near Prairie Knights
Resort, or 20 miles west of Linton, moving southeast at 15 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...
Fort Yates, Prairie Knights Resort, Cattail Recreation Area, and
Beaver Bay Recreation Area.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

Torrential rainfall is occurring with this storm, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.

&&

LAT...LON 4628 10083 4635 10059 4618 10032 4606 10048
      4608 10074
TIME...MOT...LOC 0004Z 331DEG 13KT 4622 10066 

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

$$

ADAM


Action: Expired
Issued At: 2025-09-12 19:31:30

927 
WWUS53 KBIS 130031
SVSBIS

Severe Weather Statement
National Weather Service Bismarck ND
731 PM CDT Fri Sep 12 2025

NDC029-085-130040-
/O.EXP.KBIS.SV.W.0275.000000T0000Z-250913T0030Z/
Sioux ND-Emmons ND-
731 PM CDT Fri Sep 12 2025

...THE SEVERE THUNDERSTORM WARNING FOR EAST CENTRAL SIOUX AND
SOUTHWESTERN EMMONS COUNTIES HAS EXPIRED...

The storm which prompted the warning has weakened below severe
limits, and no longer poses an immediate threat to life or property.
Therefore, the warning has been allowed to expire.  However, small
hail and heavy rain are still possible with this thunderstorm.

&&

LAT...LON 4628 10083 4635 10059 4618 10032 4606 10048
      4608 10074
TIME...MOT...LOC 0030Z 331DEG 13KT 4614 10060 

$$

ADAM



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