Alert archive / North Dakota / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 57, NWS Bismarck, ND
NWS Bismarck, ND issued this severe thunderstorm warning at Jun 10, 2021, 9:28 PM CDT for Divide County, McKenzie County, Williams County, North Dakota. It was in force for 62 min. 9 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 10, 2021, 9:28 PM CDT (02:28 UTC)
- Expired
- Jun 10, 2021, 10:30 PM CDT
- In force
- 62 min
- Issued by
- NWS Bismarck, ND
- Area
- Storm-based polygon
- Tornado
- Possible
- Hail
- 1.5 in
- Wind
- 60.0 mph
Counties Divide County, ND, McKenzie County, ND, Williams County, ND
The radar
The Minot AFB radar (KMBX), 208 km from the middle of the area, began a volume at 02:32 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, 9:28 PM CDT | TSTM WND DMG | 6 N Trenton, ND | PART OF A ROOF BLOWN OFF A BUILDING AND ANOTHER SMALL OUT BUILDING BLOWN OVER. RELAYED VIA PICTURES ON SOCIAL MEDIA. TIME ESTIMATED FROM RADAR. |
| Jun 10, 9:36 PM CDT | HAIL 1.5 | Williston, ND | |
| Jun 10, 9:41 PM CDT | TSTM WND DMG | 4 Nnw Trenton, ND | TIME ESTIMATED FROM RADAR. PICTURE OF ROOF DAMAGE. RELAYED THROUGH BROADCAST MEDIA. |
| Jun 10, 9:42 PM CDT | HAIL 2 | 7 Ssw Williston, ND | IBHS HAIL STUDY MEASUREMENT. TIME ESTIMATED FROM RADAR. |
| Jun 10, 9:50 PM CDT | HAIL 2 | 1 Ssw Williston, ND | RELAYED VIA SOCIAL MEDIA. |
| Jun 10, 9:52 PM CDT | HAIL 2.5 | Williston, ND | DELAYED REPORT FROM SOCIAL MEDIA. PHOTO OF HAIL APPROXIMATELY TENNIS BALL SIZED. TIME ESTIMATED FROM RADAR AND REPORT. |
| Jun 10, 9:57 PM CDT | TORNADO | 4 E Williston, ND | RELAYED FROM A STORM CHASER WITH PICTURES VIA SOCIAL MEDIA. TIME ESTIMATED FROM RADAR. |
| Jun 10, 10:32 PM CDT | HAIL 1.25 | Ray, ND | TIME ESTIMATED FROM RADAR. |
| Jun 10, 10:36 PM CDT | TSTM WND DMG | Buford, ND | SIDE OF LARGE QUONSET HEAVILY DAMAGED. PICTURE RELAYED VIA SOCIAL MEDIA. TIME ESTIMATED VIA 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 10, 3:30 PM CDT | Tornado Watch | SPC | 6 hr |
The nearest sounding before it
Glasgow Intl Airport, MT (KGGW), launched 00:00Z, 2.5 hours before the alert went out and 219 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
- 1762 J/kg
- Mixed-layer CIN
- -194 J/kg
- Mixed-layer LCL
- 1872 m above ground
- 0-6 km bulk shear
- 65 kt
- 0-1 km storm-relative helicity
- 15 m²/s²
- 0-3 km storm-relative helicity
- 262 m²/s²
- Significant tornado parameter
- -0.0
- Supercell composite
- -0.5
The text
As transmitted.
923
WUUS53 KBIS 110228
SVRBIS
NDC023-053-105-110330-
/O.NEW.KBIS.SV.W.0057.210611T0228Z-210611T0330Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Bismarck ND
928 PM CDT Thu Jun 10 2021
The National Weather Service in Bismarck has issued a
* Severe Thunderstorm Warning for...
Northwestern McKenzie County in northwestern North Dakota...
Williams County in northwestern North Dakota...
Southwestern Divide County in northwestern North Dakota...
* Until 1030 PM CDT/930 PM MDT/.
* At 927 PM CDT/827 PM MDT/, a severe thunderstorm was located near
Williston, moving north at 30 mph. Additional severe storms
stretch to the south-southwest through Trenton and Cartwright,
also moving north at 30 mph.
HAZARD...Ping pong ball size hail and 60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...People and animals outdoors will be injured. Expect hail
damage to roofs, siding, windows, and vehicles. Expect
wind damage to roofs, siding, and trees.
* This severe thunderstorm will be near...
Epping around 945 PM CDT.
Other locations in the path of this severe thunderstorm include
Alamo.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A Tornado Watch remains in effect until 1000 PM CDT/900 PM MDT/ for
northwestern North Dakota.
Remain alert for a possible tornado! Tornadoes can develop quickly
from severe thunderstorms. If you spot a tornado go at once into the
basement or small central room in a sturdy structure.
Torrential rainfall is occurring with this storm, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.
&&
LAT...LON 4803 10405 4873 10383 4846 10288 4842 10289
4761 10377 4765 10404
TIME...MOT...LOC 0227Z 201DEG 27KT 4821 10358
TORNADO...POSSIBLE
HAIL...1.50IN
WIND...60MPH
$$
SCHILD5 follow-up statements
496
WWUS53 KBIS 110236
SVSBIS
Severe Weather Statement
National Weather Service Bismarck ND
936 PM CDT Thu Jun 10 2021
NDC023-053-105-110330-
/O.CON.KBIS.SV.W.0057.000000T0000Z-210611T0330Z/
McKenzie ND-Williams ND-Divide ND-
936 PM CDT Thu Jun 10 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1030 PM
CDT/930 PM MDT/ FOR NORTHWESTERN MCKENZIE...WILLIAMS AND SOUTHWESTERN
DIVIDE COUNTIES...
At 935 PM CDT/835 PM MDT/, a severe thunderstorm was located 8 miles
northeast of Williston, moving north at 30 mph.
HAZARD...Golf ball size hail and 70 mph wind gusts.
SOURCE...Emergency management.
IMPACT...People and animals outdoors will be injured. Expect hail
damage to roofs, siding, windows, and vehicles. Expect
considerable tree damage. Wind damage is also likely to
mobile homes, roofs, and outbuildings.
This severe storm will be near...
Epping around 945 PM CDT.
Other locations in the path of this severe thunderstorm include
Alamo.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A Tornado Watch remains in effect until 1000 PM CDT/900 PM MDT/ for
northwestern North Dakota.
Remain alert for a possible tornado! Tornadoes can develop quickly
from severe thunderstorms. If you spot a tornado go at once into the
basement or small central room in a sturdy structure.
Torrential rainfall is occurring with this storm, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.
&&
LAT...LON 4803 10405 4873 10383 4846 10288 4842 10289
4761 10377 4765 10404
TIME...MOT...LOC 0235Z 201DEG 27KT 4827 10355
TORNADO...POSSIBLE
HAIL...1.75IN
WIND...70MPH
$$
SCHILD759
WWUS53 KBIS 110240
SVSBIS
Severe Weather Statement
National Weather Service Bismarck ND
940 PM CDT Thu Jun 10 2021
NDC023-053-105-110330-
/O.CON.KBIS.SV.W.0057.000000T0000Z-210611T0330Z/
McKenzie ND-Williams ND-Divide ND-
940 PM CDT Thu Jun 10 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1030 PM
CDT/930 PM MDT/ FOR NORTHWESTERN MCKENZIE...WILLIAMS AND SOUTHWESTERN
DIVIDE COUNTIES...
At 939 PM CDT/839 PM MDT/, a severe thunderstorm was located near
Williston, moving north at 30 mph.
HAZARD...Two inch hail and 70 mph wind gusts.
SOURCE...Emergency management.
IMPACT...People and animals outdoors will be injured. Expect hail
damage to roofs, siding, windows, and vehicles. Expect
considerable tree damage. Wind damage is also likely to
mobile homes, roofs, and outbuildings.
Locations impacted include...
Epping and Alamo.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A Tornado Watch remains in effect until 1000 PM CDT/900 PM MDT/ for
northwestern North Dakota.
Remain alert for a possible tornado! Tornadoes can develop quickly
from severe thunderstorms. If you spot a tornado go at once into the
basement or small central room in a sturdy structure.
Torrential rainfall is occurring with this storm, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.
&&
LAT...LON 4803 10405 4873 10383 4846 10288 4842 10289
4761 10377 4765 10404
TIME...MOT...LOC 0239Z 202DEG 27KT 4819 10357
TORNADO...POSSIBLE
HAIL...2.00IN
WIND...70MPH
$$
SCHILD809
WWUS53 KBIS 110245
SVSBIS
Severe Weather Statement
National Weather Service Bismarck ND
945 PM CDT Thu Jun 10 2021
NDC023-053-105-110330-
/O.CON.KBIS.SV.W.0057.000000T0000Z-210611T0330Z/
McKenzie ND-Williams ND-Divide ND-
945 PM CDT Thu Jun 10 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1030 PM
CDT/930 PM MDT/ FOR NORTHWESTERN MCKENZIE...WILLIAMS AND SOUTHWESTERN
DIVIDE COUNTIES...
At 945 PM CDT/845 PM MDT/, a severe thunderstorm was located near
Williston, moving north at 20 mph.
This is a very dangerous storm.
HAZARD...Baseball size hail and 70 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...People and animals outdoors will be severely injured.
Expect shattered windows, extensive damage to roofs,
siding, and vehicles.
This severe storm will be near...
Epping around 1015 PM CDT.
Other locations impacted by this severe thunderstorm include Zahl,
Sather Dam, Cartwright, Lewis And Clark State Park, Charbonneau,
Appam, Spring Brook, Fort Union, Fort Buford State Historical Site
and Wheelock.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A Tornado Watch remains in effect until 1000 PM CDT/900 PM MDT/ for
northwestern North Dakota.
Remain alert for a possible tornado! Tornadoes can develop quickly
from severe thunderstorms. If you spot a tornado go at once into the
basement or small central room in a sturdy structure.
Torrential rainfall is occurring with this storm, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.
&&
LAT...LON 4803 10405 4873 10383 4846 10288 4842 10289
4761 10377 4765 10404
TIME...MOT...LOC 0245Z 199DEG 18KT 4819 10359
TORNADO...POSSIBLE
HAIL...2.75IN
WIND...70MPH
$$
SCHILD038
WWUS53 KBIS 110302
SVSBIS
Severe Weather Statement
National Weather Service Bismarck ND
1002 PM CDT Thu Jun 10 2021
NDC023-053-105-110330-
/O.CON.KBIS.SV.W.0057.000000T0000Z-210611T0330Z/
McKenzie ND-Williams ND-Divide ND-
1002 PM CDT Thu Jun 10 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1030 PM CDT
FOR NORTH CENTRAL MCKENZIE...WILLIAMS AND SOUTHWESTERN DIVIDE
COUNTIES...
At 1002 PM CDT, a severe thunderstorm was located 7 miles west of
Epping, or 11 miles northeast of Williston, moving north at 30 mph.
HAZARD...Golf ball size hail and 70 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...People and animals outdoors will be injured. Expect hail
damage to roofs, siding, windows, and vehicles. Expect
considerable tree damage. Wind damage is also likely to
mobile homes, roofs, and outbuildings.
Locations impacted include...
Williston, Tioga, Ray, Epping, Alamo, Bonetrail, Trenton, Wheelock,
Zahl, Lewis And Clark State Park, Appam, Spring Brook, Hanks and
Blacktail Lake.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Remain alert for a possible tornado! Tornadoes can develop quickly
from severe thunderstorms. If you spot a tornado go at once into the
basement or small central room in a sturdy structure.
This thunderstorm is capable of producing all types of severe weather
including extremely large hail, destructive straight line winds and
tornadoes. Move quickly to a safe shelter, such as an interior room,
a bathroom or closet or basement.
Torrential rainfall is occurring with this storm, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.
&&
LAT...LON 4807 10389 4873 10383 4846 10288 4842 10289
4791 10344
TIME...MOT...LOC 0302Z 201DEG 27KT 4831 10352
TORNADO...POSSIBLE
HAIL...1.75IN
WIND...70MPH
$$
SCHILD270
WWUS53 KBIS 110318
SVSBIS
Severe Weather Statement
National Weather Service Bismarck ND
1018 PM CDT Thu Jun 10 2021
NDC023-053-110327-
/O.CAN.KBIS.SV.W.0057.000000T0000Z-210611T0330Z/
McKenzie ND-Divide ND-
1018 PM CDT Thu Jun 10 2021
...THE SEVERE THUNDERSTORM WARNING FOR NORTH CENTRAL MCKENZIE AND
SOUTHWESTERN DIVIDE COUNTIES IS CANCELLED...
The severe thunderstorm which prompted the warning has moved out of
the warned area. Therefore, the warning has been cancelled.
A Severe Thunderstorm Watch remains in effect until 300 AM CDT for
northwestern North Dakota.
LAT...LON 4864 10353 4863 10346 4846 10288 4842 10289
4806 10330 4822 10370
TIME...MOT...LOC 0317Z 208DEG 28KT 4843 10335
$$
NDC105-110330-
/O.CON.KBIS.SV.W.0057.000000T0000Z-210611T0330Z/
Williams ND-
1018 PM CDT Thu Jun 10 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1030 PM CDT
FOR CENTRAL WILLIAMS COUNTY...
At 1017 PM CDT, a severe thunderstorm was located 10 miles northwest
of Ray, or 22 miles northeast of Williston, moving northeast at 35
mph.
HAZARD...70 mph wind gusts and ping pong ball size hail.
SOURCE...Radar indicated.
IMPACT...People and animals outdoors will be injured. Expect hail
damage to roofs, siding, windows, and vehicles. Expect
considerable tree damage. Wind damage is also likely to
mobile homes, roofs, and outbuildings.
Locations impacted include...
Tioga, Ray, Epping, Alamo, Wheelock, Lewis And Clark State Park and
Spring Brook.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Remain alert for a possible tornado! Tornadoes can develop quickly
from severe thunderstorms. If you spot a tornado go at once into the
basement or small central room in a sturdy structure.
This thunderstorm is capable of producing all types of severe weather
including extremely large hail, destructive straight line winds and
tornadoes. Move quickly to a safe shelter, such as an interior room,
a bathroom or closet or basement.
Torrential rainfall is occurring with this storm, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.
&&
LAT...LON 4864 10353 4863 10346 4846 10288 4842 10289
4806 10330 4822 10370
TIME...MOT...LOC 0317Z 208DEG 28KT 4843 10335
TORNADO...POSSIBLE
HAIL...1.50IN
WIND...70MPH
$$
SCHILDThe 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, 9:49 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.