#BIS #NDwx 616
WUUS53 KBIS 210509
SVRBIS
NDC031-043-093-103-210615-
/O.NEW.KBIS.SV.W.0068.250621T0509Z-250621T0615Z/

BULLETIN - EAS ACTIVATION REQUESTED
Severe Thunderstorm Warning
National Weather Service Bismarck ND
1209 AM CDT Sat Jun 21 2025

The National Weather Service in Bismarck has issued a

* Severe Thunderstorm Warning for...
Southern Wells County in south central North Dakota...
Northern Kidder County in south central North Dakota...
Foster County in https://mesonet.agron.iastate.edu/vtec/f/2025-O-NEW-KBIS-SV-W-0068_2025-06-21T05:09Z

#BIS #NDwx 997
FXUS63 KBIS 210503
AFDBIS

Area Forecast Discussion
National Weather Service Bismarck ND
1203 AM CDT Sat Jun 21 2025

.KEY MESSAGES...

- Thunderstorms with damaging winds continue over portions of
the James River Valley. Storms will be diminishing over the
next couple of hours.

- There is a marginal risk (level 1 out of 5) for severe
weather both Saturday and Sunday. Cooler and breezy conditions
are expected Sunday.

- The active weather pat https://mesonet.agron.iastate.edu/p.php?pid=202506210503-KBIS-FXUS63-AFDBIS

#BIS #NDwx 693
WWUS63 KBIS 210455
WCNBIS

WATCH COUNTY NOTIFICATION FOR WATCH 448
NATIONAL WEATHER SERVICE BISMARCK ND
1155 PM CDT FRI JUN 20 2025

NDC015-029-047-049-051-055-069-083-210600-
/O.CAN.KBIS.TO.A.0448.000000T0000Z-250621T0800Z/

THE NATIONAL WEATHER SERVICE HAS CANCELLED TORNADO WATCH 448 FOR
THE FOLLOWING AREAS

IN NORTH DAKOTA THIS CANCELS 8 COUNTIES

IN NORTH CENTRAL NORTH DAKOTA

MCHENRY PIERCE

IN SOUTH CENTRAL NORTH DAKOT https://mesonet.agron.iastate.edu/vtec/f/2025-O-CON-KBIS-TO-A-0448_2025-06-21T04:55Z

#BIS #NDwx 790
WWUS53 KBIS 210454 CCA
SVSBIS

Severe Weather Statement
National Weather Service Bismarck ND
1154 PM CDT Fri Jun 20 2025

NDC043-093-210530-
/O.COR.KBIS.SV.W.0067.000000T0000Z-250621T0530Z/
Kidder ND-Stutsman ND-
1154 PM CDT Fri Jun 20 2025

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1230 AM CDT
FOR SOUTHEASTERN KIDDER AND STUTSMAN COUNTIES...

At 1153 PM CDT, severe thunderstorms were located along a line
extending from near Spiritwood Lak https://mesonet.agron.iastate.edu/vtec/f/2025-O-COR-KBIS-SV-W-0067_2025-06-21T04:54Z

#BIS #NDwx 843
WWUS53 KBIS 210452
SVSBIS

Severe Weather Statement
National Weather Service Bismarck ND
1152 PM CDT Fri Jun 20 2025

NDC031-043-093-103-210515-
/O.CON.KBIS.SV.W.0065.000000T0000Z-250621T0515Z/
Wells ND-Kidder ND-Foster ND-Stutsman ND-
1152 PM CDT Fri Jun 20 2025

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1215 AM CDT
FOR WELLS...NORTHERN KIDDER...FOSTER AND NORTHERN STUTSMAN
COUNTIES...

At 1152 PM CDT, severe thunderstorms were located al https://mesonet.agron.iastate.edu/vtec/f/2025-O-CON-KBIS-SV-W-0065_2025-06-21T04:52Z

#BIS #NDwx 641
WWUS53 KBIS 210449
SVSBIS

Severe Weather Statement
National Weather Service Bismarck ND
1149 PM CDT Fri Jun 20 2025

NDC043-093-210530-
/O.CON.KBIS.SV.W.0067.000000T0000Z-250621T0530Z/
Kidder ND-Stutsman ND-
1149 PM CDT Fri Jun 20 2025

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1230 AM CDT
FOR SOUTHEASTERN KIDDER AND STUTSMAN COUNTIES...

At 1149 PM CDT, severe thunderstorms were located along a line
extending from 4 miles northwest of Sp https://mesonet.agron.iastate.edu/vtec/f/2025-O-CON-KBIS-SV-W-0067_2025-06-21T04:49Z

#BIS #NDwx 962
ACUS11 KWNS 210439
SWOMCD
SPC MCD 210439
MNZ000-NDZ000-210545-

Mesoscale Discussion 1392
NWS Storm Prediction Center Norman OK
1139 PM CDT Fri Jun 20 2025

Areas affected...portions of eastern North Dakota into northwestern
Minnesota

Concerning...Tornado Watch 449...

Valid 210439Z - 210545Z

The severe weather threat for Tornado Watch 449 continues.

SUMMARY...A derecho may continue for a few more hours, with severe
winds remaining widespread, and 75 https://www.spc.noaa.gov/products/md/2025/md1392.html

#BIS #NDwx 487
WUUS53 KBIS 210436
SVRBIS
NDC043-093-210530-
/O.NEW.KBIS.SV.W.0067.250621T0436Z-250621T0530Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Bismarck ND
1136 PM CDT Fri Jun 20 2025

The National Weather Service in Bismarck has issued a

* Severe Thunderstorm Warning for...
Southeastern Kidder County in south central North Dakota...
Stutsman County in southeastern North Dakota...

* Until 1230 AM CDT.

* https://mesonet.agron.iastate.edu/vtec/f/2025-O-NEW-KBIS-SV-W-0067_2025-06-21T04:36Z

#BIS #NDwx 489
NWUS53 KBIS 210431
LSRBIS

Preliminary Local Storm Report
National Weather Service Bismarck ND
1131 PM CDT Fri Jun 20 2025

..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..

1110 PM Tstm Wnd Gst 1 ENE Glenfield 47.46N 98.55W
06/20/2025 M73 MPH Foster ND Mesonet

ND DOT sensor observatio https://mesonet.agron.iastate.edu/lsr/?by=wfo&wfo=BIS&sts=202506210410&ets=202506210410

#BIS #NDwx 839
WWUS53 KBIS 210428
SVSBIS

Severe Weather Statement
National Weather Service Bismarck ND
1128 PM CDT Fri Jun 20 2025

NDC045-210445-
/O.CON.KBIS.SV.W.0066.000000T0000Z-250621T0445Z/
LaMoure ND-
1128 PM CDT Fri Jun 20 2025

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1145 PM CDT
FOR EASTERN LAMOURE COUNTY...

At 1128 PM CDT, severe thunderstorms were located along a line
extending from Valley City to 7 miles east of Ludden, moving east at
50 https://mesonet.agron.iastate.edu/vtec/f/2025-O-CON-KBIS-SV-W-0066_2025-06-21T04:28Z

#BIS #NDwx 177
WWUS53 KBIS 210418
SVSBIS

Severe Weather Statement
National Weather Service Bismarck ND
1118 PM CDT Fri Jun 20 2025

NDC015-043-083-103-210445-
/O.CON.KBIS.SV.W.0064.000000T0000Z-250621T0445Z/
Wells ND-Sheridan ND-Kidder ND-Burleigh ND-
1118 PM CDT Fri Jun 20 2025

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1145 PM CDT
FOR SOUTHWESTERN WELLS...SOUTHEASTERN SHERIDAN...NORTHWESTERN KIDDER
AND NORTHEASTERN BURLEIGH COUNTIES...

At 1118 PM CDT https://mesonet.agron.iastate.edu/vtec/f/2025-O-CON-KBIS-SV-W-0064_2025-06-21T04:18Z

#BIS #NDwx 812
WWUS53 KBIS 210419
SVSBIS

Severe Weather Statement
National Weather Service Bismarck ND
1119 PM CDT Fri Jun 20 2025

NDC031-043-093-103-210515-
/O.CON.KBIS.SV.W.0065.000000T0000Z-250621T0515Z/
Wells ND-Kidder ND-Foster ND-Stutsman ND-
1119 PM CDT Fri Jun 20 2025

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1215 AM CDT
FOR WELLS...NORTHERN KIDDER...FOSTER AND NORTHERN STUTSMAN
COUNTIES...

At 1119 PM CDT, severe thunderstorms were located al https://mesonet.agron.iastate.edu/vtec/f/2025-O-CON-KBIS-SV-W-0065_2025-06-21T04:19Z

#BIS #NDwx 738
NWUS53 KBIS 210419
LSRBIS

Preliminary Local Storm Report
National Weather Service Bismarck ND
1119 PM CDT Fri Jun 20 2025

..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..

1105 PM Tstm Wnd Gst La Moure 46.36N 98.29W
06/20/2025 E80 MPH LaMoure ND Trained Spotter

&&

$$

RK
https://mesonet.agron.iastate.edu/lsr/?by=wfo&wfo=BIS&sts=202506210405&ets=202506210405

#BIS #NDwx 686
WUUS53 KBIS 210412
SVRBIS
NDC045-210445-
/O.NEW.KBIS.SV.W.0066.250621T0412Z-250621T0445Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Bismarck ND
1112 PM CDT Fri Jun 20 2025

The National Weather Service in Bismarck has issued a

* Severe Thunderstorm Warning for...
Eastern LaMoure County in southeastern North Dakota...

* Until 1145 PM CDT.

* At 1112 PM CDT, severe thunderstorms were located along a https://mesonet.agron.iastate.edu/vtec/f/2025-O-NEW-KBIS-SV-W-0066_2025-06-21T04:12Z

#BIS #NDwx 720
WUUS53 KBIS 210410
SVRBIS
NDC031-043-093-103-210515-
/O.NEW.KBIS.SV.W.0065.250621T0410Z-250621T0515Z/

BULLETIN - EAS ACTIVATION REQUESTED
Severe Thunderstorm Warning
National Weather Service Bismarck ND
1110 PM CDT Fri Jun 20 2025

The National Weather Service in Bismarck has issued a

* Severe Thunderstorm Warning for...
Wells County in south central North Dakota...
Northern Kidder County in south central North Dakota...
Foster County in southeas https://mesonet.agron.iastate.edu/vtec/f/2025-O-NEW-KBIS-SV-W-0065_2025-06-21T04:10Z

#BIS #NDwx 686
WWUS53 KBIS 210407
SVSBIS

Severe Weather Statement
National Weather Service Bismarck ND
1107 PM CDT Fri Jun 20 2025

NDC103-210415-
/O.CON.KBIS.TO.W.0015.000000T0000Z-250621T0415Z/
Wells ND-
1107 PM CDT Fri Jun 20 2025

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 1115 PM CDT FOR
NORTHEASTERN WELLS COUNTY...

At 1107 PM CDT, a severe thunderstorm capable of producing a tornado
was located 11 miles northeast of Fessenden, or 21 miles east of
Harvey, movi https://mesonet.agron.iastate.edu/vtec/f/2025-O-CON-KBIS-TO-W-0015_2025-06-21T04:07Z

#BIS #NDwx 862
WGUS83 KBIS 210405
FLSBIS

Flood Advisory
National Weather Service Bismarck ND
1105 PM CDT Fri Jun 20 2025

NDC015-055-083-211015-
/O.NEW.KBIS.FA.Y.0001.250621T0405Z-250621T1015Z/
/00000.N.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Burleigh ND-McLean ND-Sheridan ND-
1105 PM CDT Fri Jun 20 2025

...FLOOD ADVISORY IN EFFECT UNTIL 515 AM CDT SATURDAY...

* WHAT...Flooding caused by excessive rainfall.

* WHERE...Southeast McLean, northern Burleigh, and s https://mesonet.agron.iastate.edu/vtec/f/2025-O-NEW-KBIS-FA-Y-0001_2025-06-21T04:05Z

#BIS #NDwx 687
WWUS53 KBIS 210359
SVSBIS

Severe Weather Statement
National Weather Service Bismarck ND
1059 PM CDT Fri Jun 20 2025

NDC103-210415-
/O.CON.KBIS.TO.W.0015.000000T0000Z-250621T0415Z/
Wells ND-
1059 PM CDT Fri Jun 20 2025

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 1115 PM CDT FOR
NORTHEASTERN WELLS COUNTY...

At 1059 PM CDT, a confirmed tornado was located 9 miles north of
Fessenden, or 15 miles east of Harvey, moving north at 25 mph.

HAZARD...Damaging https://mesonet.agron.iastate.edu/vtec/f/2025-O-CON-KBIS-TO-W-0015_2025-06-21T03:59Z

#BIS #NDwx 674
WWUS53 KBIS 210355
SVSBIS

Severe Weather Statement
National Weather Service Bismarck ND
1055 PM CDT Fri Jun 20 2025

NDC031-043-045-047-093-103-210415-
/O.CON.KBIS.SV.W.0062.000000T0000Z-250621T0415Z/
LaMoure ND-Wells ND-Kidder ND-Logan ND-Foster ND-Stutsman ND-
1055 PM CDT Fri Jun 20 2025

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1115 PM CDT
FOR LAMOURE...WELLS...NORTHEASTERN KIDDER...NORTHEASTERN LOGAN...
FOSTER AND STUTSMAN COUNTIES.. https://mesonet.agron.iastate.edu/vtec/f/2025-O-CON-KBIS-SV-W-0062_2025-06-21T03:55Z

#BIS #NDwx 243
WUUS53 KBIS 210348
SVRBIS
NDC015-043-083-103-210445-
/O.NEW.KBIS.SV.W.0064.250621T0348Z-250621T0445Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Bismarck ND
1048 PM CDT Fri Jun 20 2025

The National Weather Service in Bismarck has issued a

* Severe Thunderstorm Warning for...
Southwestern Wells County in south central North Dakota...
Southern Sheridan County in south central North Dakota...
North https://mesonet.agron.iastate.edu/vtec/f/2025-O-NEW-KBIS-SV-W-0064_2025-06-21T03:48Z