Alert archive / North Dakota / Tornado Warnings in 2021
Tornado Warning 8, NWS Bismarck, ND
NWS Bismarck, ND issued this tornado warning at Jun 10, 2021, 6:35 PM CDT for McKenzie County, North Dakota. It was in force for 25 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 10, 2021, 6:35 PM CDT (23:35 UTC)
- Expired
- Jun 10, 2021, 7:00 PM CDT
- In force
- 25 min
- Issued by
- NWS Bismarck, ND
- Area
- Storm-based polygon
- Tornado
- Observed
- Damage threat
- Considerable
- Hail
- 1.25 in
County McKenzie County, ND
The radar
The Glasgow radar (KGGW), 220 km from the middle of the area, began a volume at 23:35 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 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 12:00Z, 11.6 hours before the alert went out and 218 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
- 929 J/kg
- Mixed-layer CIN
- -480 J/kg
- Mixed-layer LCL
- 774 m above ground
- 0-6 km bulk shear
- 61 kt
- 0-1 km storm-relative helicity
- 651 m²/s²
- 0-3 km storm-relative helicity
- 663 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.5
The text
As transmitted.
592
WFUS53 KBIS 102335
TORBIS
NDC053-110000-
/O.NEW.KBIS.TO.W.0008.210610T2335Z-210611T0000Z/
BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Bismarck ND
635 PM CDT Thu Jun 10 2021
The National Weather Service in Bismarck has issued a
* Tornado Warning for...
West central McKenzie County in northwestern North Dakota...
* Until 700 PM CDT/600 PM MDT/.
* At 635 PM CDT/535 PM MDT/, a confirmed large and extremely
dangerous tornado was located 14 miles southeast of Sidney, moving
northeast at 20 mph.
This is a PARTICULARLY DANGEROUS SITUATION. TAKE COVER NOW!
HAZARD...Damaging tornado.
SOURCE...Weather spotters confirmed tornado.
IMPACT...You are in a life-threatening situation. Flying debris
may be deadly to those caught without shelter. Mobile
homes will be destroyed. Considerable damage to homes,
businesses, and vehicles is likely and complete
destruction is possible.
* This tornadic thunderstorm will remain over mainly rural areas of
west central McKenzie County, including the following locations...
Sather Dam.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
To repeat, a large, extremely dangerous and potentially deadly
tornado is on the ground. To protect your life, TAKE COVER NOW! Move
to a basement or an interior room on the lowest floor of a sturdy
building. Avoid windows. If you are outdoors, in a mobile home, or in
a vehicle, move to the closest substantial shelter and protect
yourself from flying debris.
&&
LAT...LON 4751 10381 4761 10403 4786 10384 4770 10352
TIME...MOT...LOC 2335Z 204DEG 18KT 4763 10386
TORNADO...OBSERVED
TORNADO DAMAGE THREAT...CONSIDERABLE
HAIL...1.25IN
$$
HARGROVE1 follow-up statement
173
WWUS53 KBIS 102348
SVSBIS
Severe Weather Statement
National Weather Service Bismarck ND
648 PM CDT Thu Jun 10 2021
NDC053-110000-
/O.CON.KBIS.TO.W.0008.000000T0000Z-210611T0000Z/
McKenzie ND-
648 PM CDT Thu Jun 10 2021
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 700 PM CDT/600 PM MDT/
FOR WEST CENTRAL MCKENZIE COUNTY...
At 648 PM CDT/548 PM MDT/, a severe thunderstorm capable of producing
a tornado was located 13 miles southwest of Alexander, or 15 miles
east of Sidney, moving northeast at 20 mph.
HAZARD...Tornado and half dollar size hail.
SOURCE...Radar indicated rotation.
IMPACT...Flying debris will be dangerous to those caught without
shelter. Mobile homes will be damaged or destroyed. Damage
to roofs, windows, and vehicles will occur. Tree damage is
likely.
Locations impacted include...
Sather Dam.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.
Heavy rainfall may hide this tornado. Do not wait to see or hear the
tornado. TAKE COVER NOW!
&&
LAT...LON 4760 10381 4766 10394 4786 10384 4770 10352
TIME...MOT...LOC 2348Z 204DEG 18KT 4769 10382
TORNADO...RADAR INDICATED
HAIL...1.25IN
$$
HARGROVEThe office that day
Everything else NWS Bismarck, ND issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 10, 3:33 AM CDT | Heat Advisory | BIS | Dickey, Emmons, LaMoure, Logan, McIntosh | 16 hr |
| Jun 10, 1:12 PM CDT | Wind Advisory | BIS | Billings, Divide, Golden Valley, McKenzie, Mountrail, Williams | 5 hr |
| Jun 10, 4:51 PM CDT | Severe Thunderstorm Warning | BIS | McKenzie | 54 min |
| Jun 10, 5:45 PM CDT | Severe Thunderstorm Warning | BIS | McKenzie, Williams | 60 min |
| Jun 10, 5:55 PM CDT | Tornado Warning | BIS | McKenzie | 20 min |
| Jun 10, 6:06 PM CDT | Tornado Warning | BIS | McKenzie | 24 min |
| Jun 10, 6:16 PM CDT | Tornado Warning | BIS | McKenzie | 29 min |
| Jun 10, 6:30 PM CDT | Tornado Warning | BIS | McKenzie | 30 min |
| Jun 10, 6:54 PM CDT | Tornado Warning | BIS | McKenzie | 25 min |
Nearby
Tornado Warnings in North Dakota, 2021Every tornado warning in 2021Tornadoes 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.