Alert archive / North Dakota / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 37, NWS Bismarck, ND

June 8, 2021Grant County, Morton County, Sioux County, North Dakota

NWS Bismarck, ND issued this severe thunderstorm warning at Jun 8, 2021, 12:45 PM MDT for Grant County, Morton County, Sioux County, North Dakota. It was in force for 60 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued: Jun 8, 2021, 12:45 PM MDT (18:45 UTC)
Expired: Jun 8, 2021, 1:45 PM MDT
In force: 60 min
Issued by: NWS Bismarck, ND
Area: Storm-based polygon
Hail: 1.25 in
Wind: 60.0 mph

Counties Grant County, ND, Morton County, ND, Sioux County, ND

The radar

The Bismarck radar (KBIS), 39 km from the middle of the area, began a volume at 18:50 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.

The nearest sounding before it

Bismarck Municip, ND (KBIS), launched 12:00Z, 6.8 hours before the alert went out and 39 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: 534 J/kg
Mixed-layer CIN: -518 J/kg
Mixed-layer LCL: 1161 m above ground
0-6 km bulk shear: 35 kt
0-1 km storm-relative helicity: 267 m²/s²
0-3 km storm-relative helicity: 165 m²/s²
Significant tornado parameter: 0.0
Supercell composite: -1.5

Open this sounding in Storm Lab

The text

As transmitted.

019 
WUUS53 KBIS 081845
SVRBIS
NDC037-059-085-081945-
/O.NEW.KBIS.SV.W.0037.210608T1845Z-210608T1945Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Bismarck ND
145 PM CDT Tue Jun 8 2021

The National Weather Service in Bismarck has issued a

* Severe Thunderstorm Warning for...
  Eastern Sioux County in south central North Dakota...
  Southeastern Morton County in south central North Dakota...
  Eastern Grant County in south central North Dakota...

* Until 245 PM CDT/145 PM MDT/.

* At 145 PM CDT/1245 PM MDT/, severe thunderstorms were located along
  a line extending from 6 miles northeast of Shields to 4 miles west
  of Cannon Ball, moving north at 10 mph.

  HAZARD...60 mph wind gusts and half dollar 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...
  Solen around 155 PM CDT.

Other locations in the path of these severe thunderstorms include
Flasher.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

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

&&

LAT...LON 4637 10130 4656 10130 4664 10066 4661 10063
      4659 10057 4658 10056 4657 10059 4652 10054
      4650 10058 4644 10060 4639 10056 4633 10055
      4628 10058 4623 10056 4617 10062 4604 10120
TIME...MOT...LOC 1845Z 169DEG 8KT 4632 10107 4638 10070 

HAIL...1.25IN
WIND...60MPH
 
$$

HOLLAN

2 follow-up statements

351 
WWUS53 KBIS 081905
SVSBIS

Severe Weather Statement
National Weather Service Bismarck ND
205 PM CDT Tue Jun 8 2021

NDC037-059-085-081945-
/O.CON.KBIS.SV.W.0037.000000T0000Z-210608T1945Z/
Sioux ND-Morton ND-Grant ND-
205 PM CDT Tue Jun 8 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 245 PM
CDT/145 PM MDT/ FOR EASTERN SIOUX...SOUTHEASTERN MORTON AND EASTERN
GRANT COUNTIES...

At 205 PM CDT/105 PM MDT/, severe thunderstorms were located along a
line extending from 8 miles north of Shields to 4 miles northeast of
Solen, moving north at 10 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...
  Shields, Flasher, Breien, and Solen.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

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

&&

LAT...LON 4637 10130 4656 10130 4664 10066 4661 10063
      4659 10057 4658 10056 4657 10059 4652 10054
      4650 10058 4644 10060 4639 10056 4633 10055
      4628 10058 4623 10056 4604 10120
TIME...MOT...LOC 1905Z 169DEG 8KT 4636 10108 4642 10071 

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

HOLLAN

070 
WWUS53 KBIS 081924
SVSBIS

Severe Weather Statement
National Weather Service Bismarck ND
224 PM CDT Tue Jun 8 2021

NDC037-059-085-081945-
/O.CON.KBIS.SV.W.0037.000000T0000Z-210608T1945Z/
Sioux ND-Morton ND-Grant ND-
224 PM CDT Tue Jun 8 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 245 PM
CDT/145 PM MDT/ FOR NORTHEASTERN SIOUX...SOUTHEASTERN MORTON AND
NORTHEASTERN GRANT COUNTIES...

At 224 PM CDT/124 PM MDT/, severe thunderstorms were located along a
line extending from 4 miles southeast of Flasher to 4 miles north of
Solen, moving northwest at 10 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...
Flasher, Solen, Cannon Ball, Shields, Prairie Knights Resort, Fort
Rice, Porcupine, Breien, Hazelton Recreation Area, and Huff.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

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

&&

LAT...LON 4637 10130 4656 10130 4664 10066 4661 10063
      4659 10057 4658 10056 4657 10059 4652 10054
      4650 10058 4644 10060 4639 10056 4633 10055
      4628 10058 4611 10122
TIME...MOT...LOC 1924Z 139DEG 10KT 4639 10118 4645 10081 

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

HOLLAN

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 7, 6:38 PM MDT	Severe Thunderstorm Warning	BIS	LaMoure, Stutsman	67 min
Jun 7, 6:44 PM MDT	Special Weather Statement	BIS	Emmons	31 min
Jun 7, 6:58 PM MDT	Tornado Warning	BIS	LaMoure, Stutsman	32 min
Jun 7, 7:01 PM MDT	Severe Thunderstorm Warning	BIS	LaMoure, Logan, Stutsman	44 min
Jun 7, 7:23 PM MDT	Severe Thunderstorm Warning	BIS	Logan, McIntosh	52 min
Jun 7, 7:44 PM MDT	Severe Thunderstorm Warning	BIS	LaMoure, Logan, Stutsman	61 min
Jun 7, 7:50 PM MDT	Tornado Warning	BIS	LaMoure, Stutsman	25 min
Jun 7, 8:26 PM MDT	Severe Thunderstorm Warning	BIS	LaMoure	64 min
Jun 7, 9:07 PM MDT	Special Weather Statement	BIS	Dickey	38 min
Jun 7, 9:57 PM MDT	Special Weather Statement	BIS	Logan	48 min
Jun 7, 10:36 PM MDT	Special Weather Statement	BIS	LaMoure	39 min
Jun 7, 10:41 PM MDT	Severe Thunderstorm Warning	BIS	Dickey, LaMoure	49 min
Jun 7, 10:51 PM MDT	Severe Thunderstorm Warning	BIS	Logan, McIntosh	39 min
Jun 7, 11:26 PM MDT	Severe Thunderstorm Warning	BIS	LaMoure	28 min
Jun 8, 12:44 AM MDT	Severe Thunderstorm Warning	BIS	LaMoure, Stutsman	61 min
Jun 8, 12:53 AM MDT	Special Weather Statement	BIS	Stutsman	37 min
Jun 8, 1:27 AM MDT	Special Weather Statement	BIS	Stutsman	33 min
Jun 8, 1:44 AM MDT	Severe Thunderstorm Warning	BIS	LaMoure, Stutsman	61 min
Jun 8, 1:56 AM MDT	Special Weather Statement	BIS	Stutsman	34 min
Jun 8, 2:11 AM MDT	Severe Thunderstorm Warning	BIS	Stutsman	28 min
Jun 8, 2:58 AM MDT	Areal Flood Advisory	BIS	LaMoure, Stutsman	4 hr
Jun 8, 3:00 AM MDT	Severe Thunderstorm Warning	BIS	Stutsman	60 min
Jun 8, 3:46 AM MDT	Severe Thunderstorm Warning	BIS	LaMoure	59 min
Jun 8, 3:57 AM MDT	Severe Thunderstorm Warning	BIS	Stutsman	63 min
Jun 8, 4:13 AM MDT	Areal Flood Advisory	BIS	Stutsman	3 hr
Jun 8, 5:00 AM MDT	Severe Thunderstorm Warning	BIS	LaMoure, Stutsman	60 min
Jun 8, 5:09 AM MDT	Severe Thunderstorm Warning	BIS	LaMoure	66 min
Jun 8, 6:07 AM MDT	Severe Thunderstorm Warning	BIS	Stutsman	38 min
Jun 8, 6:50 AM MDT	Severe Thunderstorm Warning	BIS	Stutsman	55 min
Jun 8, 7:02 AM MDT	Severe Thunderstorm Warning	BIS	Kidder	43 min
Jun 8, 7:15 AM MDT	Areal Flood Advisory	BIS	Kidder, Stutsman	3 hr
Jun 8, 8:04 AM MDT	Severe Thunderstorm Warning	BIS	Kidder	41 min
Jun 8, 9:06 AM MDT	Severe Thunderstorm Warning	BIS	Kidder	39 min
Jun 8, 9:44 AM MDT	Severe Thunderstorm Warning	BIS	Emmons, Kidder, Logan	46 min
Jun 8, 10:07 AM MDT	Flash Flood Warning	BIS	Kidder	3 hr
Jun 8, 10:27 AM MDT	Severe Thunderstorm Warning	BIS	Emmons	33 min
Jun 8, 10:44 AM MDT	Areal Flood Advisory	BIS	Kidder, LaMoure, Stutsman	4 hr
Jun 8, 11:05 AM MDT	Special Weather Statement	BIS	Emmons	55 min
Jun 8, 11:23 AM MDT	Severe Thunderstorm Warning	BIS	Burleigh, Emmons, Kidder	52 min
Jun 8, 11:32 AM MDT	Flash Flood Warning	BIS	Burleigh, Emmons	3 hr
Jun 8, 11:59 AM MDT	Severe Thunderstorm Warning	BIS	Sioux	61 min
Jun 8, 12:39 PM MDT	Flash Flood Warning Considerable damage threat	BIS	Burleigh, Emmons, Kidder	2 hr
Jun 8, 1:00 PM MDT	Areal Flood Warning	BIS	Kidder	2 hr
Jun 8, 1:43 PM MDT	Severe Thunderstorm Warning	BIS	Grant, Morton	62 min
Jun 8, 2:34 PM MDT	Areal Flood Advisory	BIS	Grant, Morton, Sioux	3 hr
Jun 8, 2:45 PM MDT	Severe Thunderstorm Warning	BIS	Grant, Morton	60 min
Jun 8, 2:50 PM MDT	Flash Flood Warning	BIS	Grant, Morton	3 hr
Jun 8, 2:57 PM MDT	Areal Flood Warning	BIS	Burleigh, Emmons, Kidder	6 hr
Jun 8, 3:04 PM MDT	Areal Flood Advisory	BIS	LaMoure, Stutsman	10 hr
Jun 8, 3:26 PM MDT	Special Weather Statement	BIS	Burleigh	34 min
Jun 8, 3:41 PM MDT	Severe Thunderstorm Warning	BIS	Grant, Sioux	49 min
Jun 8, 3:50 PM MDT	Special Weather Statement	BIS	Adams	40 min
Jun 8, 4:28 PM MDT	Severe Thunderstorm Warning	BIS	Grant, Sioux	32 min
Jun 8, 5:31 PM MDT	Areal Flood Advisory	BIS	Sioux	10 hr
Jun 8, 5:32 PM MDT	Severe Thunderstorm Warning	BIS	Golden Valley, McKenzie	58 min

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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.