Alert archive / North Dakota / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 55, NWS Bismarck, ND
NWS Bismarck, ND issued this severe thunderstorm warning at Jun 10, 2021, 8:23 PM CDT for 4 counties in North Dakota. It was in force for 52 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 10, 2021, 8:23 PM CDT (01:23 UTC)
- Expired
- Jun 10, 2021, 9:15 PM CDT
- In force
- 52 min
- Issued by
- NWS Bismarck, ND
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 60.0 mph
Counties Burke County, ND, Divide County, ND, Mountrail County, ND, Williams County, ND
The radar
The Minot AFB radar (KMBX), 145 km from the middle of the area, began a volume at 01:24 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 10, 8:40 PM CDT | TSTM WND GST 65 | 7 Nw Tioga, ND | NDAWN SITE. |
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, 3:30 PM CDT | Tornado Watch | SPC | 6 hr |
The nearest sounding before it
Bismarck Municip, ND (KBIS), launched 00:00Z, 1.4 hours before the alert went out and 250 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
- 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
The text
As transmitted.
164
WUUS53 KBIS 110123
SVRBIS
NDC013-023-061-105-110215-
/O.NEW.KBIS.SV.W.0055.210611T0123Z-210611T0215Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Bismarck ND
823 PM CDT Thu Jun 10 2021
The National Weather Service in Bismarck has issued a
* Severe Thunderstorm Warning for...
Burke County in northwestern North Dakota...
Northeastern Williams County in northwestern North Dakota...
Northwestern Mountrail County in northwestern North Dakota...
Eastern Divide County in northwestern North Dakota...
* Until 915 PM CDT.
* At 823 PM CDT, severe thunderstorms were located along a line
extending from 6 miles west of Portal to near Epping, moving
northeast at 15 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...
Portal around 840 PM CDT.
Other locations in the path of these severe thunderstorms include
Tioga.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A Tornado Watch remains in effect until 1000 PM CDT for northwestern
North Dakota.
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 4900 10218 4813 10253 4813 10309 4815 10310
4813 10353 4900 10315
TIME...MOT...LOC 0123Z 232DEG 15KT 4901 10270 4825 10332
HAIL...1.00IN
WIND...60MPH
$$
CJS3 follow-up statements
679
WWUS53 KBIS 110140
SVSBIS
Severe Weather Statement
National Weather Service Bismarck ND
840 PM CDT Thu Jun 10 2021
NDC013-023-061-105-110215-
/O.CON.KBIS.SV.W.0055.000000T0000Z-210611T0215Z/
Burke ND-Williams ND-Mountrail ND-Divide ND-
840 PM CDT Thu Jun 10 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 915 PM CDT
FOR BURKE...NORTHEASTERN WILLIAMS...NORTHWESTERN MOUNTRAIL AND
EASTERN DIVIDE COUNTIES...
At 839 PM CDT, severe thunderstorms were located along a line
extending from Portal to 5 miles southwest of Ray, moving northeast
at 20 mph.
HAZARD...60 mph wind gusts and quarter size hail.
SOURCE...Radar indicated.
IMPACT...Hail damage to vehicles is expected. Expect wind damage to
roofs, siding, and trees.
Locations impacted include...
Portal and Tioga.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A Tornado Watch remains in effect until 1000 PM CDT for northwestern
North Dakota.
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 4900 10218 4813 10253 4813 10309 4815 10310
4813 10353 4900 10315
TIME...MOT...LOC 0139Z 238DEG 16KT 4900 10251 4829 10324
HAIL...1.00IN
WIND...60MPH
$$
CJS356
WWUS53 KBIS 110152
SVSBIS
Severe Weather Statement
National Weather Service Bismarck ND
852 PM CDT Thu Jun 10 2021
NDC023-110201-
/O.CAN.KBIS.SV.W.0055.000000T0000Z-210611T0215Z/
Divide ND-
852 PM CDT Thu Jun 10 2021
...THE SEVERE THUNDERSTORM WARNING FOR EASTERN DIVIDE COUNTY IS
CANCELLED...
The storms which prompted the warning have moved out of the warned
area. Therefore, the warning has been cancelled.
A Tornado Watch remains in effect until 1000 PM CDT for northwestern
North Dakota.
LAT...LON 4900 10218 4813 10253 4813 10309 4815 10310
4813 10353 4863 10331 4863 10289 4899 10268
TIME...MOT...LOC 0151Z 269DEG 15KT 4899 10235 4855 10263 4825 10311
$$
NDC013-061-105-110215-
/O.CON.KBIS.SV.W.0055.000000T0000Z-210611T0215Z/
Burke ND-Williams ND-Mountrail ND-
852 PM CDT Thu Jun 10 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 915 PM CDT
FOR BURKE...NORTHEASTERN WILLIAMS AND NORTHWESTERN MOUNTRAIL
COUNTIES...
At 851 PM CDT, severe thunderstorms were located along a line
extending from 6 miles north of Flaxton to Powers Lake to 7 miles
southeast of Ray, moving east at 15 mph.
HAZARD...60 mph wind gusts and quarter size hail.
SOURCE...Radar indicated. At 840 PM CDT, 65 mph winds were recorded
7 miles northwest of Tioga.
IMPACT...Hail damage to vehicles is expected. Expect wind damage to
roofs, siding, and trees.
Locations impacted include...
Tioga, Ray, Powers Lake, Lignite, Wildrose, Epping, Ross, Battleview,
Flaxton, Lostwood, White Earth, Wheelock, Hamlet, Spring Brook,
Northgate, White Tail Bay Recreation Area, Coteau and Mcgregor.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A Tornado Watch remains in effect until 1000 PM CDT for northwestern
North Dakota.
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 4900 10218 4813 10253 4813 10309 4815 10310
4813 10353 4863 10331 4863 10289 4899 10268
TIME...MOT...LOC 0151Z 269DEG 15KT 4899 10235 4855 10263 4825 10311
HAIL...1.00IN
WIND...60MPH
$$
CJS944
WWUS53 KBIS 110216
SVSBIS
Severe Weather Statement
National Weather Service Bismarck ND
916 PM CDT Thu Jun 10 2021
NDC013-061-105-110226-
/O.EXP.KBIS.SV.W.0055.000000T0000Z-210611T0215Z/
Burke ND-Williams ND-Mountrail ND-
916 PM CDT Thu Jun 10 2021
...THE SEVERE THUNDERSTORM WARNING FOR BURKE...NORTHEASTERN WILLIAMS
AND NORTHWESTERN MOUNTRAIL COUNTIES HAS EXPIRED...
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 has been allowed to expire. However, gusty
winds and heavy rain are still possible with these thunderstorms.
A Tornado Watch remains in effect until 1000 PM CDT for northwestern
North Dakota.
LAT...LON 4900 10218 4813 10253 4813 10309 4815 10310
4813 10353 4863 10331 4863 10289 4899 10268
TIME...MOT...LOC 0216Z 232DEG 15KT 4904 10224 4860 10252 4831 10301
$$
CJSThe 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 | BIS | McKenzie | 33 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, 2:26 AM CDT | Severe Thunderstorm Warning | BIS | Bottineau, McHenry, Pierce, Renville, Rolette, Ward | 64 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, 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.