168 
WUUS53 KBIS 120229
SVRBIS
NDC001-120300-
/O.NEW.KBIS.SV.W.0272.260812T0229Z-260812T0300Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Bismarck ND
929 PM CDT Tue Aug 11 2026

The National Weather Service in Bismarck has issued a

* Severe Thunderstorm Warning for...
  South Central Adams County in southwestern North Dakota...

* Until 900 PM MDT.

* At 829 PM MDT, a severe thunderstorm was located over Haynes, or 8
  miles east of Hettinger, moving southeast 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...
  Haynes.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Seek shelter inside a well-built structure and stay away from
windows. This storm is capable of producing damaging winds and large
hail.

&&

LAT...LON 4602 10261 4609 10244 4595 10221 4595 10253
TIME...MOT...LOC 0229Z 312DEG 20KT 4598 10248

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

$$

Adam

332 
WWUS53 KBIS 120240
SVSBIS

Severe Weather Statement
National Weather Service Bismarck ND
940 PM CDT Tue Aug 11 2026

NDC001-120300-
/O.CON.KBIS.SV.W.0272.000000T0000Z-260812T0300Z/
Adams ND-
840 PM MDT Tue Aug 11 2026

...SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 9 PM MDT FOR
SOUTH CENTRAL ADAMS COUNTY...

At 840 PM MDT, a severe thunderstorm was located near Haynes, or 13
miles east of Hettinger, moving southeast at 25 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...
  Haynes.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Seek shelter inside a well-built structure and stay away from
windows. This storm is capable of producing damaging winds and large
hail.

&&

LAT...LON 4601 10253 4607 10240 4595 10221 4595 10246
TIME...MOT...LOC 0229Z 309DEG 20KT 4600 10245

HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$

Adam

751 
WWUS53 KBIS 120256
SVSBIS

Severe Weather Statement
National Weather Service Bismarck ND
956 PM CDT Tue Aug 11 2026

NDC001-120306-
/O.EXP.KBIS.SV.W.0272.000000T0000Z-260812T0300Z/
Adams ND-
856 PM MDT Tue Aug 11 2026

...SEVERE THUNDERSTORM WARNING WILL EXPIRE AT 9 PM MDT FOR SOUTH
CENTRAL ADAMS COUNTY...

The storm which prompted the warning has weakened below severe
limits, and has exited the warned area. Therefore, the warning will
be allowed to expire.

&&

LAT...LON 4601 10253 4607 10240 4595 10221 4595 10246
TIME...MOT...LOC 0240Z 309DEG 20KT 4596 10238

$$

Adam