Alert archive / North Dakota / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 48, NWS Bismarck, ND

June 8, 20214 counties in North Dakota

NWS Bismarck, ND issued this severe thunderstorm warning at Jun 8, 2021, 11:01 PM MDT for 4 counties in North Dakota. It was in force for 59 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 8, 2021, 11:01 PM MDT (05:01 UTC)
Expired: Jun 9, 2021, 12:00 AM MDT
In force: 59 min
Issued by: NWS Bismarck, ND
Area: Storm-based polygon
Hail: 0.75 in
Wind: 60.0 mph

Counties Grant County, ND, Hettinger County, ND, Morton County, ND, Stark County, ND

The radar

The Bismarck radar (KBIS), 123 km from the middle of the area, began a volume at 05:05 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 8, 11:08 PM MDT	TSTM WND GST 68	2 N Bentley, ND	WILLIAMS LOOKOUT RAWS STATION. 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 8, 5:15 PM MDT	Severe Thunderstorm Watch	SPC	7 hr

The nearest sounding before it

Bismarck Municip, ND (KBIS), launched 00:00Z, 5.0 hours before the alert went out and 127 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: 113 J/kg
Mixed-layer CIN: -181 J/kg
Mixed-layer LCL: 2317 m above ground
0-6 km bulk shear: 26 kt
0-1 km storm-relative helicity: 94 m²/s²
0-3 km storm-relative helicity: 176 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

510 
WUUS53 KBIS 090501
SVRBIS
NDC037-041-059-089-090600-
/O.NEW.KBIS.SV.W.0048.210609T0501Z-210609T0600Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Bismarck ND
1201 AM CDT Wed Jun 9 2021

The National Weather Service in Bismarck has issued a

* Severe Thunderstorm Warning for...
  Hettinger County in southwestern North Dakota...
  Northwestern Morton County in south central North Dakota...
  Southeastern Stark County in southwestern North Dakota...
  Northwestern Grant County in south central North Dakota...

* Until 100 AM CDT/midnight MDT/.

* At 1201 AM CDT/1101 PM MDT/, severe thunderstorms were located
  along a line extending from 7 miles southeast of Richardton to near
  Mott, moving east at 30 mph.

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

  SOURCE...Radar indicated.

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

* Severe thunderstorms will be near...
  Hebron around 1120 PM MDT.

Other locations in the path of these severe thunderstorms include
Glen Ullin, New Leipzig and Elgin.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4627 10250 4628 10250 4628 10273 4689 10259
      4695 10151 4626 10176
TIME...MOT...LOC 0501Z 258DEG 25KT 4680 10220 4637 10239 

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

MJONES

3 follow-up statements

679 
WWUS53 KBIS 090525
SVSBIS

Severe Weather Statement
National Weather Service Bismarck ND
1225 AM CDT Wed Jun 9 2021

NDC037-041-059-089-090600-
/O.CON.KBIS.SV.W.0048.000000T0000Z-210609T0600Z/
Hettinger ND-Morton ND-Stark ND-Grant ND-
1225 AM CDT Wed Jun 9 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 100 AM
CDT/MIDNIGHT MDT/ FOR EASTERN HETTINGER...NORTHWESTERN MORTON...
SOUTHEASTERN STARK AND NORTHWESTERN GRANT COUNTIES...

At 1224 AM CDT/1124 PM MDT/, severe thunderstorms were located along
a line extending from 5 miles west of Glen Ullin to 8 miles west of
New Leipzig, moving east at 30 mph.

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

SOURCE...Radar indicated.

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

Locations impacted include...
  Glen Ullin and Elgin.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4627 10250 4628 10250 4628 10264 4690 10243
      4695 10151 4626 10176
TIME...MOT...LOC 0524Z 258DEG 25KT 4679 10194 4636 10213 

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

MJONES

435 
WWUS53 KBIS 090545
SVSBIS

Severe Weather Statement
National Weather Service Bismarck ND
1245 AM CDT Wed Jun 9 2021

NDC089-090554-
/O.CAN.KBIS.SV.W.0048.000000T0000Z-210609T0600Z/
Stark ND-
1245 AM CDT Wed Jun 9 2021

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

The storms which prompted the warning have weakened. Therefore, the 
warning has been cancelled.

A Severe Thunderstorm Watch remains in effect until 100 AM
CDT/midnight MDT/ for southwestern North Dakota.

LAT...LON 4633 10223 4692 10197 4695 10151 4630 10175
TIME...MOT...LOC 0544Z 258DEG 25KT 4682 10174 4639 10193 

$$

NDC037-041-059-090600-
/O.CON.KBIS.SV.W.0048.000000T0000Z-210609T0600Z/
Hettinger ND-Morton ND-Grant ND-
1245 AM CDT Wed Jun 9 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 100 AM
CDT/MIDNIGHT MDT/ FOR NORTHEASTERN HETTINGER...NORTHWESTERN MORTON
AND NORTHWESTERN GRANT COUNTIES...

At 1244 AM CDT/1144 PM MDT/, severe thunderstorms were located along
a line extending from 4 miles east of Glen Ullin to New Leipzig,
moving east at 30 mph.

HAZARD...60 mph wind gusts.

SOURCE...Radar indicated.

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

Locations impacted include...
Glen Ullin, Elgin, New Leipzig, Heart Butte Dam, Burt and Bentley. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4633 10223 4692 10197 4695 10151 4630 10175
TIME...MOT...LOC 0544Z 258DEG 25KT 4682 10174 4639 10193 

HAIL...<.75IN
WIND...60MPH
 
$$

MJONES

085 
WWUS53 KBIS 090555
SVSBIS

Severe Weather Statement
National Weather Service Bismarck ND
1255 AM CDT Wed Jun 9 2021

NDC037-041-059-090605-
/O.EXP.KBIS.SV.W.0048.000000T0000Z-210609T0600Z/
Hettinger ND-Morton ND-Grant ND-
1255 AM CDT Wed Jun 9 2021

...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN HETTINGER...
NORTHWESTERN MORTON AND NORTHWESTERN GRANT COUNTIES WILL EXPIRE AT
100 AM CDT/MIDNIGHT MDT/...
            
The storms which prompted the warning have weakened below severe 
limits. Therefore, the warning will be allowed to expire.  However 
gusty winds are still possible with these thunderstorms.

A Severe Thunderstorm Watch remains in effect until 100 AM
CDT/midnight MDT/ for southwestern North Dakota.

LAT...LON 4633 10223 4692 10197 4695 10151 4630 10175
TIME...MOT...LOC 0555Z 258DEG 25KT 4683 10167 4640 10186 

$$

MJONES

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 8, 6:00 PM MDT	Areal Flood Warning	BIS	Grant, Morton	14 hr
Jun 8, 6:25 PM MDT	Severe Thunderstorm Warning	BIS	Golden Valley, McKenzie	65 min
Jun 8, 7:02 PM MDT	Special Weather Statement	BIS	Billings, Golden Valley	43 min
Jun 8, 7:08 PM MDT	Special Weather Statement	BIS	Burke, Mountrail	37 min
Jun 8, 7:12 PM MDT	Severe Thunderstorm Warning	BIS	McKenzie	20 min
Jun 8, 7:22 PM MDT	Severe Thunderstorm Warning	BIS	Billings, Dunn, McKenzie	38 min
Jun 8, 7:57 PM MDT	Special Weather Statement	BIS	Dunn	48 min
Jun 8, 8:34 PM MDT	Special Weather Statement	BIS	Burke, Mountrail, Renville, Ward	41 min
Jun 8, 9:48 PM MDT	Special Weather Statement	BIS	Stark	27 min
Jun 8, 10:14 PM MDT	Severe Thunderstorm Warning	BIS	McKenzie, Williams	61 min
Jun 8, 10:28 PM MDT	Areal Flood Advisory	BIS	Hettinger, Stark	5 hr
Jun 8, 10:58 PM MDT	Severe Thunderstorm Warning	BIS	Adams, Grant, Hettinger, Sioux	47 min
Jun 8, 11:43 PM MDT	Severe Thunderstorm Warning	BIS	Grant, Morton, Sioux	47 min
Jun 9, 7:37 AM MDT	River Flood Warning	BIS	Morton, Sioux	23 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.