Alert archive / North Dakota / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 49, NWS Bismarck, ND
NWS Bismarck, ND issued this severe thunderstorm warning at Jun 8, 2021, 11:43 PM MDT for Grant County, Morton County, Sioux County, North Dakota. It was in force for 47 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, 11:43 PM MDT (05:43 UTC)
- Expired
- Jun 9, 2021, 12:30 AM MDT
- In force
- 47 min
- Issued by
- NWS Bismarck, ND
- Area
- Storm-based polygon
- Hail
- 0.75 in
- Wind
- 60.0 mph
Counties Grant County, ND, Morton County, ND, Sioux County, ND
The radar
The Bismarck radar (KBIS), 80 km from the middle of the area, began a volume at 05:47 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 00:00Z, 5.7 hours before the alert went out and 84 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.
- 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
The text
As transmitted.
470
WUUS53 KBIS 090543
SVRBIS
NDC037-059-085-090630-
/O.NEW.KBIS.SV.W.0049.210609T0543Z-210609T0630Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Bismarck ND
1243 AM CDT Wed Jun 9 2021
The National Weather Service in Bismarck has issued a
* Severe Thunderstorm Warning for...
Southwestern Sioux County in south central North Dakota...
South central Morton County in south central North Dakota...
Grant County in south central North Dakota...
* Until 130 AM CDT/1230 AM MDT/.
* At 1243 AM CDT/1143 PM MDT/, a severe thunderstorm was located 14
miles south of Carson, or 15 miles southeast of Elgin, moving
northeast at 45 mph.
HAZARD...60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
* Locations impacted include...
Carson.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 4599 10200 4627 10200 4671 10185 4669 10172
4663 10171 4663 10130 4662 10111 4637 10122
4596 10151
TIME...MOT...LOC 0543Z 203DEG 39KT 4622 10166
HAIL...<.75IN
WIND...60MPH
$$
MJONES2 follow-up statements
333
WWUS53 KBIS 090609
SVSBIS
Severe Weather Statement
National Weather Service Bismarck ND
109 AM CDT Wed Jun 9 2021
NDC037-059-085-090630-
/O.CON.KBIS.SV.W.0049.000000T0000Z-210609T0630Z/
Sioux ND-Morton ND-Grant ND-
109 AM CDT Wed Jun 9 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 130 AM
CDT/1230 AM MDT/ FOR SOUTHWESTERN SIOUX...SOUTH CENTRAL MORTON AND
GRANT COUNTIES...
At 109 AM CDT/1209 AM MDT/, a severe thunderstorm was located 5 miles
south of Carson, or 15 miles east of Elgin, moving northeast at 40
mph.
HAZARD...60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
Locations impacted include...
Elgin, Carson, Flasher, Heart Butte Dam, Lark, Raleigh, Leith, Heil
and St. Gertrude.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 4601 10190 4625 10191 4662 10188 4663 10171
4663 10130 4662 10111 4637 10122 4596 10151
TIME...MOT...LOC 0609Z 203DEG 37KT 4635 10152
HAIL...<.75IN
WIND...60MPH
$$
MJONES834
WWUS53 KBIS 090627
SVSBIS
Severe Weather Statement
National Weather Service Bismarck ND
127 AM CDT Wed Jun 9 2021
NDC037-059-085-090636-
/O.EXP.KBIS.SV.W.0049.000000T0000Z-210609T0630Z/
Sioux ND-Morton ND-Grant ND-
127 AM CDT Wed Jun 9 2021
...THE SEVERE THUNDERSTORM WARNING FOR SOUTHWESTERN SIOUX...SOUTH
CENTRAL MORTON AND GRANT COUNTIES WILL EXPIRE AT 130 AM CDT/1230 AM
MDT/...
The storm which prompted the warning has weakened below severe
limits. Therefore, the warning will be allowed to expire. However
gusty winds are still possible with this thunderstorm.
LAT...LON 4601 10190 4625 10191 4662 10188 4663 10171
4663 10130 4662 10111 4637 10122 4596 10151
TIME...MOT...LOC 0626Z 203DEG 39KT 4652 10142
$$
MJONESThe 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, 11:01 PM MDT | Severe Thunderstorm Warning | BIS | Grant, Hettinger, Morton, Stark | 59 min |
| Jun 9, 7:37 AM MDT | River Flood Warning | BIS | Morton, Sioux | 23 hr |
Nearby
Severe Thunderstorm Warnings in North Dakota, 2021Every 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.