Alert archive / North Dakota / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 78, NWS Bismarck, ND
NWS Bismarck, ND issued this severe thunderstorm warning at Jun 11, 2021, 3:43 AM CDT for 6 counties in North Dakota. It was in force for 47 min. 6 reports 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, 3:43 AM CDT (08:43 UTC)
- Expired
- Jun 11, 2021, 4:30 AM CDT
- In force
- 47 min
- Issued by
- NWS Bismarck, ND
- Area
- Storm-based polygon
- Hail
- 0.75 in
- Wind
- 60.0 mph
Counties Dickey County, ND, Foster County, ND, LaMoure County, ND, Logan County, ND, McIntosh County, ND, Stutsman County, ND
The radar
The Aberdeen radar (KABR), 129 km from the middle of the area, began a volume at 08:43 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, 3:44 AM CDT | TSTM WND DMG | Kensal, ND | STREET LIGHT BENT OVER AT THE BASE. PICTURE RELAYED VIA BROADCAST MEDIA. TIME ESTIMATED FROM RADAR. |
| Jun 11, 3:51 AM CDT | TSTM WND DMG | 4 S La Moure, ND | TIME ESTIMATED FROM RADAR. EM REPORTED CAMPERS AND BOATS FLIPPED AND DAMAGE TO CAMPERS AT THE LAKE LAMOURE AREA. |
| Jun 11, 3:53 AM CDT | TSTM WND GST 62 | 1 Ene Glenfield, ND | NDDOT SITE GLENFIELD. |
| Jun 11, 4:00 AM CDT | TSTM WND DMG | La Moure, ND | PHOTO SHOWING TREE BRANCH SEVERAL INCHES WIDE THROUGH THE ROOF OF A HOUSE. RELAYED VIA BROADCAST MEDIA. |
| Jun 11, 4:00 AM CDT | TSTM WND DMG | Oakes, ND | TIME ESTIMATED FROM RADAR. TREES AROUND TOWN OF 2 TO 2.5 INCHES IN DIAMETER SNAPPED. BUSINESS SIGN ON 4 BY 4 POSTS SNAPPED. |
| Jun 11, 4:10 AM CDT | TSTM WND DMG | Verona, ND | DELAYED REPORT. TIME ESTIMATED FROM RADAR. PICTURE ON SOCIAL MEDIA OF A 40 FOOT TALL EVERGREEN TREE KNOCKED DOWN. |
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 11, 1:58 AM CDT | Severe Thunderstorm Watch | SPC | 5 hr |
The nearest sounding before it
Bismarck Municip, ND (KBIS), launched 00:00Z, 8.7 hours before the alert went out and 160 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.
695
WUUS53 KBIS 110843
SVRBIS
NDC021-031-045-047-051-093-110930-
/O.NEW.KBIS.SV.W.0078.210611T0843Z-210611T0930Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Bismarck ND
343 AM CDT Fri Jun 11 2021
The National Weather Service in Bismarck has issued a
* Severe Thunderstorm Warning for...
LaMoure County in southeastern North Dakota...
Dickey County in southeastern North Dakota...
Northeastern Logan County in southeastern North Dakota...
Foster County in southeastern North Dakota...
Northeastern McIntosh County in southeastern North Dakota...
Stutsman County in southeastern North Dakota...
* Until 430 AM CDT.
* At 343 AM CDT, severe thunderstorms were located along a line
extending from 5 miles southeast of New Rockford to 8 miles east of
Cathay to 7 miles south of Gackle to 5 miles west of Spring Creek
Colony to near Frederick, 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...
Carrington around 350 AM CDT.
Jud around 400 AM CDT.
Other locations in the path of these severe thunderstorms include
Forbes, Grace City, Mchenry, Ludden, Ellendale, Adrian and
Montpelier.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
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 4594 9901 4759 9926 4759 9850 4664 9844
4663 9804 4593 9801
TIME...MOT...LOC 0843Z 257DEG 25KT 4762 9907 4756 9923 4652 9909 4588
9898 4588 9853
HAIL...0.75IN
WIND...60MPH
$$
ANGLIN2 follow-up statements
553
WWUS53 KBIS 110901
SVSBIS
Severe Weather Statement
National Weather Service Bismarck ND
401 AM CDT Fri Jun 11 2021
NDC047-051-110911-
/O.CAN.KBIS.SV.W.0078.000000T0000Z-210611T0930Z/
Logan ND-McIntosh ND-
401 AM CDT Fri Jun 11 2021
...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN LOGAN AND
NORTHEASTERN MCINTOSH COUNTIES IS CANCELLED...
The storms which prompted the warning have moved out of the warned
area. Therefore, the warning has been cancelled.
A Severe Thunderstorm Watch remains in effect until 700 AM CDT for
southeastern North Dakota.
LAT...LON 4594 9858 4625 9898 4741 9915 4759 9916
4759 9850 4664 9844 4663 9804 4593 9801
TIME...MOT...LOC 0901Z 257DEG 25KT 4765 9889 4759 9905 4655 9892 4591
9881 4591 9836
$$
NDC021-031-045-093-110930-
/O.CON.KBIS.SV.W.0078.000000T0000Z-210611T0930Z/
LaMoure ND-Dickey ND-Foster ND-Stutsman ND-
401 AM CDT Fri Jun 11 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 430 AM CDT
FOR LAMOURE...DICKEY...FOSTER AND STUTSMAN COUNTIES...
At 401 AM CDT, severe thunderstorms were located along a line
extending from 7 miles northwest of Grace City to 7 miles southeast
of New Rockford to Jud to near Forbes to 8 miles northeast of
Frederick, 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...
Grace City, Ludden, Ellendale, Adrian, Montpelier, Marion, Mchenry
and Dickey.
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.
&&
LAT...LON 4594 9858 4625 9898 4741 9915 4759 9916
4759 9850 4664 9844 4663 9804 4593 9801
TIME...MOT...LOC 0901Z 257DEG 25KT 4765 9889 4759 9905 4655 9892 4591
9881 4591 9836
HAIL...0.75IN
WIND...60MPH
$$
ANGLIN802
WWUS53 KBIS 110926
SVSBIS
Severe Weather Statement
National Weather Service Bismarck ND
426 AM CDT Fri Jun 11 2021
NDC021-031-045-093-110935-
/O.EXP.KBIS.SV.W.0078.000000T0000Z-210611T0930Z/
LaMoure ND-Dickey ND-Foster ND-Stutsman ND-
426 AM CDT Fri Jun 11 2021
...THE SEVERE THUNDERSTORM WARNING FOR LAMOURE...DICKEY...FOSTER AND
STUTSMAN COUNTIES WILL EXPIRE AT 430 AM CDT...
The storms which prompted the warning have weakened below severe
limits, and have exited the warned area. Therefore, the warning will
be allowed to expire. However gusty winds are still possible behind
these thunderstorms.
A Severe Thunderstorm Watch remains in effect until 700 AM CDT for
southeastern North Dakota.
LAT...LON 4594 9858 4625 9898 4741 9915 4759 9916
4759 9850 4664 9844 4663 9804 4593 9801
TIME...MOT...LOC 0925Z 257DEG 25KT 4768 9867 4762 9883 4658 9870 4594
9859 4594 9814
$$
ANGLINThe 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, 8:23 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, 2:26 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, 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.