Alert archive / North Dakota / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 76, NWS Bismarck, ND

June 11, 20216 counties in North Dakota

NWS Bismarck, ND issued this severe thunderstorm warning at Jun 11, 2021, 2:26 AM CDT for 6 counties in North Dakota. It was in force for 64 min. 1 report came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued: Jun 11, 2021, 2:26 AM CDT (07:26 UTC)
Expired: Jun 11, 2021, 3:30 AM CDT
In force: 64 min
Issued by: NWS Bismarck, ND
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

Counties Bottineau County, ND, McHenry County, ND, Pierce County, ND, Renville County, ND, Rolette County, ND, Ward County, ND

The radar

The Minot AFB radar (KMBX), 48 km from the middle of the area, began a volume at 07:29 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

What was reported inside it

Time	Report	Where	Remark
Jun 11, 2:56 AM CDT	TSTM WND GST 60	Willow City, ND	ESTIMATED 60 MPH WINDS. TIME ESTIMATED FROM RADAR.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

Issued	Product	Office	Lasted
Jun 10, 9:54 PM CDT	Severe Thunderstorm Watch	SPC	5 hr

The nearest sounding before it

Bismarck Municip, ND (KBIS), launched 00:00Z, 7.4 hours before the alert went out and 179 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.

Mixed-layer CAPE: 1785 J/kg
Mixed-layer CIN: -24 J/kg
Mixed-layer LCL: 2484 m above ground
0-6 km bulk shear: 27 kt
0-1 km storm-relative helicity: 75 m²/s²
0-3 km storm-relative helicity: 210 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 4.8

Open this sounding in Storm Lab

The text

As transmitted.

644 
WUUS53 KBIS 110726
SVRBIS
NDC009-049-069-075-079-101-110830-
/O.NEW.KBIS.SV.W.0076.210611T0726Z-210611T0830Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Bismarck ND
226 AM CDT Fri Jun 11 2021

The National Weather Service in Bismarck has issued a

* Severe Thunderstorm Warning for...
  East central Ward County in north central North Dakota...
  Bottineau County in north central North Dakota...
  Southeastern Renville County in north central North Dakota...
  Pierce County in north central North Dakota...
  McHenry County in north central North Dakota...
  Rolette County in north central North Dakota...

* Until 330 AM CDT.

* At 226 AM CDT, severe thunderstorms were located along a line
  extending from 14 miles north of Westhope to 5 miles south of
  Maxbass to 6 miles northwest of Granville to 5 miles north of
  Butte, moving east at 60 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.

* Severe thunderstorms will be near...
  Drake and Denbigh around 240 AM CDT.

Other locations in the path of these severe thunderstorms include
Towner, Anamoose, Bottineau, Barton, Rugby, Dunseith, Wolford and
Belcourt.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

Large hail and damaging winds and continuous cloud to ground
lightning is occurring with these storms. Move indoors immediately.
Lightning is one of nature's leading killers. Remember, if you can
hear thunder, you are close enough to be struck by lightning.

&&

LAT...LON 4837 9949 4837 9985 4802 9985 4802 9981
      4785 9981 4785 10082 4833 10132 4867 10132
      4900 10109 4900 9953
TIME...MOT...LOC 0726Z 257DEG 50KT 4911 10090 4864 10111 4835 10093
4791 10071

HAIL...1.00IN
WIND...60MPH
 
$$

ANGLIN

4 follow-up statements

433 
WWUS53 KBIS 110751
SVSBIS

Severe Weather Statement
National Weather Service Bismarck ND
251 AM CDT Fri Jun 11 2021

NDC101-110801-
/O.CAN.KBIS.SV.W.0076.000000T0000Z-210611T0830Z/
Ward ND-
251 AM CDT Fri Jun 11 2021

...THE SEVERE THUNDERSTORM WARNING FOR EAST CENTRAL WARD COUNTY IS
CANCELLED...

The storms which prompted the warning have moved out of the warned 
area. Therefore, the warning has been cancelled. Gusty winds behind 
the warned thunderstorms are still possible.  

A Severe Thunderstorm Watch remains in effect until 300 AM CDT for
north central North Dakota.

LAT...LON 4837 9949 4837 9985 4802 9985 4802 9981
      4785 9981 4785 10082 4805 10102 4837 10101
      4837 10106 4846 10106 4846 10118 4864 10108
      4900 10109 4900 9953
TIME...MOT...LOC 0751Z 257DEG 50KT 4917 10047 4870 10068 4841 10051
4797 10029

$$

NDC009-049-069-075-079-110830-
/O.CON.KBIS.SV.W.0076.000000T0000Z-210611T0830Z/
Bottineau ND-Renville ND-Pierce ND-McHenry ND-Rolette ND-
251 AM CDT Fri Jun 11 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 330 AM CDT
FOR BOTTINEAU...SOUTHEASTERN RENVILLE...PIERCE...MCHENRY AND ROLETTE
COUNTIES...

At 251 AM CDT, severe thunderstorms were located along a line
extending from 14 miles northwest of Lake Metigoshe State Park to 8
miles north of Upham to 6 miles northwest of Towner to 5 miles
northeast of Drake, moving east at 60 mph.

HAZARD...60 mph wind gusts and penny size hail.

SOURCE...Radar indicated.

IMPACT...Expect damage to roofs, siding, and trees.

Locations impacted include...
  Anamoose, Bottineau, Barton, Rugby, Dunseith, Wolford, Belcourt 
  and St. John.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

Continuous cloud to ground lightning is occurring with these storms.
Move indoors immediately. Lightning is one of nature's leading
killers. Remember, if you can hear thunder, you are close enough to
be struck by lightning.

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

&&

LAT...LON 4837 9949 4837 9985 4802 9985 4802 9981
      4785 9981 4785 10082 4805 10102 4837 10101
      4837 10106 4846 10106 4846 10118 4864 10108
      4900 10109 4900 9953
TIME...MOT...LOC 0751Z 257DEG 50KT 4917 10047 4870 10068 4841 10051
4797 10029

HAIL...0.75IN
WIND...60MPH
 
$$

ANGLIN

770 
WWUS53 KBIS 110804
SVSBIS

Severe Weather Statement
National Weather Service Bismarck ND
304 AM CDT Fri Jun 11 2021

NDC075-110814-
/O.CAN.KBIS.SV.W.0076.000000T0000Z-210611T0830Z/
Renville ND-
304 AM CDT Fri Jun 11 2021

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN RENVILLE COUNTY
IS CANCELLED...

The storms which prompted the warning have moved out of the warned 
area. Therefore, the warning has been cancelled.

LAT...LON 4837 9949 4837 9985 4802 9985 4802 9981
      4785 9981 4800 10047 4819 10082 4841 10085
      4900 10109 4900 9953
TIME...MOT...LOC 0804Z 257DEG 50KT 4920 10025 4873 10047 4844 10030
4800 10008

$$

NDC009-049-069-079-110830-
/O.CON.KBIS.SV.W.0076.000000T0000Z-210611T0830Z/
Bottineau ND-Pierce ND-McHenry ND-Rolette ND-
304 AM CDT Fri Jun 11 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 330 AM CDT
FOR BOTTINEAU...PIERCE...CENTRAL MCHENRY AND ROLETTE COUNTIES...

At 304 AM CDT, severe thunderstorms were located along a line
extending from 15 miles north of Lake Metigoshe State Park to 6 miles
south of Bottineau to 7 miles southwest of Barton to 11 miles
northeast of Anamoose, moving east at 60 mph.

HAZARD...60 mph wind gusts and penny size hail.

SOURCE...Radar indicated.

IMPACT...Expect damage to roofs, siding, and trees.

Locations impacted include...
Rugby, Bottineau, Rolla, Dunseith, Rolette, Towner, Westhope, St.
John, Willow City, Upham, Newburg, Denbigh, Karlsruhe, Balta, Souris,
Wolford, Belcourt, Lake Metigoshe State Park, Barton and
International Peace Garden.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

Continuous cloud to ground lightning is occurring with these storms.
Move indoors immediately. Lightning is one of nature's leading
killers. Remember, if you can hear thunder, you are close enough to
be struck by lightning.

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

&&

LAT...LON 4837 9949 4837 9985 4802 9985 4802 9981
      4785 9981 4800 10047 4819 10082 4841 10085
      4900 10109 4900 9953
TIME...MOT...LOC 0804Z 257DEG 50KT 4920 10025 4873 10047 4844 10030
4800 10008

HAIL...0.75IN
WIND...60MPH
 
$$

ANGLIN

153 
WWUS53 KBIS 110814
SVSBIS

Severe Weather Statement
National Weather Service Bismarck ND
314 AM CDT Fri Jun 11 2021

NDC049-110823-
/O.CAN.KBIS.SV.W.0076.000000T0000Z-210611T0830Z/
McHenry ND-
314 AM CDT Fri Jun 11 2021

...THE SEVERE THUNDERSTORM WARNING FOR CENTRAL MCHENRY COUNTY IS
CANCELLED...

The storms which prompted the warning have moved out of the warned 
area. Therefore, the warning has been cancelled.

LAT...LON 4837 9949 4837 9985 4802 9985 4802 9981
      4785 9981 4794 10020 4802 10020 4802 10024
      4837 10024 4837 10028 4900 10033 4900 9953
TIME...MOT...LOC 0813Z 257DEG 50KT 4922 10010 4875 10032 4846 10016
4802 9994

$$

NDC009-069-079-110830-
/O.CON.KBIS.SV.W.0076.000000T0000Z-210611T0830Z/
Bottineau ND-Pierce ND-Rolette ND-
314 AM CDT Fri Jun 11 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 330 AM CDT
FOR EASTERN BOTTINEAU...PIERCE AND ROLETTE COUNTIES...

At 313 AM CDT, severe thunderstorms were located along a line
extending from 15 miles north of International Peace Garden to 7
miles southeast of Bottineau to near Barton to 7 miles west of
Esmond, moving east at 60 mph.

HAZARD...60 mph wind gusts and penny size hail.

SOURCE...Radar indicated.

IMPACT...Expect damage to roofs, siding, and trees.

Locations impacted include...
Rugby, Rolla, Dunseith, Rolette, St. John, Willow City, Balta,
Wolford, Lake Metigoshe State Park, Barton, International Peace
Garden, Belcourt, Shell Valley, Mylo, Overly, Silva, Thorne, Nanson
and Orrin.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

Continuous cloud to ground lightning is occurring with these storms.
Move indoors immediately. Lightning is one of nature's leading
killers. Remember, if you can hear thunder, you are close enough to
be struck by lightning.

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

&&

LAT...LON 4837 9949 4837 9985 4802 9985 4802 9981
      4785 9981 4794 10020 4802 10020 4802 10024
      4837 10024 4837 10028 4900 10033 4900 9953
TIME...MOT...LOC 0813Z 257DEG 50KT 4922 10010 4875 10032 4846 10016
4802 9994

HAIL...0.75IN
WIND...60MPH
 
$$

ANGLIN

419 
WWUS53 KBIS 110826
SVSBIS

Severe Weather Statement
National Weather Service Bismarck ND
326 AM CDT Fri Jun 11 2021

NDC009-069-079-110836-
/O.EXP.KBIS.SV.W.0076.000000T0000Z-210611T0830Z/
Bottineau ND-Pierce ND-Rolette ND-
326 AM CDT Fri Jun 11 2021

...THE SEVERE THUNDERSTORM WARNING FOR EASTERN BOTTINEAU...PIERCE AND
ROLETTE COUNTIES WILL EXPIRE AT 330 AM CDT...
            
The storms which prompted the warning have weakened below severe
limits, and no longer pose an immediate threat to life or property.
Therefore, the warning will be allowed to expire.  However gusty
winds are still possible with these thunderstorms.

LAT...LON 4837 9949 4837 9985 4802 9985 4802 9981
      4785 9981 4794 10020 4802 10020 4802 10024
      4837 10024 4837 10028 4900 10033 4900 9953
TIME...MOT...LOC 0826Z 257DEG 50KT 4926 9984 4879 10007 4850 9991
4806 9969

$$

ANGLIN

The office that day

Everything else NWS Bismarck, ND issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jun 10, 7:10 PM CDT	Severe Thunderstorm Warning	BIS	McKenzie, Williams	65 min
Jun 10, 7:17 PM CDT	Severe Thunderstorm Warning	BIS	Golden Valley, McKenzie	58 min
Jun 10, 7:30 PM CDT	Areal Flood Advisory	BIS	McKenzie	3 hr
Jun 10, 7:47 PM CDT	Severe Thunderstorm Warning	BIS	Burke, Divide, Williams	43 min
Jun 10, 7:49 PM CDT	Tornado Warning	BIS	McKenzie	26 min
Jun 10, 8:12 PM CDT	Tornado Warning Tornado observedConsiderable damage threat	BIS	McKenzie	33 min
Jun 10, 8:23 PM CDT	Severe Thunderstorm Warning	BIS	Burke, Divide, Mountrail, Williams	52 min
Jun 10, 8:45 PM CDT	Severe Thunderstorm Warning	BIS	McKenzie, Williams	45 min
Jun 10, 9:28 PM CDT	Severe Thunderstorm Warning	BIS	Divide, McKenzie, Williams	62 min
Jun 10, 9:49 PM CDT	Tornado Warning	BIS	Williams	26 min
Jun 10, 9:53 PM CDT	Severe Thunderstorm Warning	BIS	Burke, Mountrail	52 min
Jun 10, 10:23 PM CDT	Severe Thunderstorm Warning	BIS	McKenzie, Williams	52 min
Jun 10, 10:28 PM CDT	Flash Flood Warning	BIS	McKenzie, Williams	4 hr
Jun 10, 10:29 PM CDT	Severe Thunderstorm Warning	BIS	Burke, Divide, Mountrail, Williams	61 min
Jun 10, 10:35 PM CDT	Severe Thunderstorm Warning	BIS	Billings, Golden Valley, McKenzie, Williams	40 min
Jun 10, 10:40 PM CDT	Special Weather Statement	BIS	Renville	50 min
Jun 10, 10:57 PM CDT	Severe Thunderstorm Warning	BIS	Burke, Renville, Ward	39 min
Jun 10, 11:01 PM CDT	Severe Thunderstorm Warning	BIS	Billings, Golden Valley, Slope	59 min
Jun 10, 11:14 PM CDT	Severe Thunderstorm Warning	BIS	Divide, McKenzie, Williams	46 min
Jun 10, 11:29 PM CDT	Severe Thunderstorm Warning	BIS	Burke, Divide, Mountrail, Williams	61 min
Jun 10, 11:45 PM CDT	Severe Thunderstorm Warning	BIS	Burke, Divide, McKenzie, Mountrail, Williams	45 min
Jun 10, 11:51 PM CDT	Severe Thunderstorm Warning	BIS	Dunn, Grant, Hettinger, Mercer, Morton, Stark	54 min
Jun 11, 12:21 AM CDT	Severe Thunderstorm Warning	BIS	Grant, Morton, Sioux	54 min
Jun 11, 12:30 AM CDT	Severe Thunderstorm Warning	BIS	Bottineau, Burke, McKenzie, McLean, Mountrail, Renville and 2 more	60 min
Jun 11, 12:37 AM CDT	Severe Thunderstorm Warning	BIS	Dunn, Mercer, Morton, Oliver, Stark	38 min
Jun 11, 12:55 AM CDT	Severe Thunderstorm Warning	BIS	Burleigh, Morton, Oliver	35 min
Jun 11, 1:11 AM CDT	Severe Thunderstorm Warning	BIS	Emmons, Grant, Morton, Sioux	34 min
Jun 11, 1:26 AM CDT	Severe Thunderstorm Warning	BIS	Bottineau, McHenry, McLean, Renville, Rolette, Sheridan and 1 more	64 min
Jun 11, 1:27 AM CDT	Severe Thunderstorm Warning	BIS	Burleigh, McLean, Morton, Oliver, Sheridan	33 min
Jun 11, 2:00 AM CDT	Severe Thunderstorm Warning	BIS	Burleigh, Emmons, Kidder	45 min
Jun 11, 2:33 AM CDT	Severe Thunderstorm Warning	BIS	Emmons, Kidder, Logan, Stutsman	57 min
Jun 11, 3:31 AM CDT	Special Weather Statement	BIS	Dickey, Foster, LaMoure, Logan, McIntosh, Stutsman	29 min
Jun 11, 3:43 AM CDT	Severe Thunderstorm Warning	BIS	Dickey, Foster, LaMoure, Logan, McIntosh, Stutsman	47 min
Jun 11, 5:19 AM CDT	Wind Advisory	BIS	Adams, Billings, Bottineau, Bowman, Burke, Divide and 19 more	16 hr

Nearby

Severe Thunderstorm Warnings in North Dakota, 2021 Every severe thunderstorm warning in 2021

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.