Alert archive / North Dakota / Tornado Warnings in 2021
Tornado Warning 4, NWS Bismarck, ND
NWS Bismarck, ND issued this tornado warning at Jun 10, 2021, 5:55 PM CDT for McKenzie County, North Dakota. It was in force for 20 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, 5:55 PM CDT (22:55 UTC)
- Expired
- Jun 10, 2021, 6:15 PM CDT
- In force
- 20 min
- Issued by
- NWS Bismarck, ND
- Area
- Storm-based polygon
- Tornado
- Radar indicated
- Hail
- 1.25 in
County McKenzie County, ND
The radar
The Glasgow radar (KGGW), 214 km from the middle of the area, began a volume at 22:54 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, 6:12 PM CDT | TORNADO | 9 Nne Skaar, ND | LAW ENFORCEMENT CONFIRMED A TORNADO VISIBLE FROM THE INTERSECTIONS OF RED WING AND FRENCH CREEK ROADS. LOCATION OF TORNADO ESTIMATED BASED ON 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 12:00Z, 10.9 hours before the alert went out and 213 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.
686
WFUS53 KBIS 102255
TORBIS
NDC053-102315-
/O.NEW.KBIS.TO.W.0004.210610T2255Z-210610T2315Z/
BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Bismarck ND
455 PM MDT Thu Jun 10 2021
The National Weather Service in Bismarck has issued a
* Tornado Warning for...
Southwestern McKenzie County in northwestern North Dakota...
* Until 515 PM MDT.
* At 455 PM MDT, a severe thunderstorm capable of producing a tornado
was located 7 miles north of Skaar, or 17 miles southeast of
Sidney, moving east at 25 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.
* This tornadic thunderstorm will remain over mainly rural areas of
southwestern McKenzie County.
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.
&&
LAT...LON 4756 10404 4766 10382 4743 10373 4741 10405
TIME...MOT...LOC 2255Z 251DEG 20KT 4748 10401
TORNADO...RADAR INDICATED
HAIL...1.25IN
$$
HARGROVE1 follow-up statement
576
WWUS53 KBIS 102305
SVSBIS
Severe Weather Statement
National Weather Service Bismarck ND
505 PM MDT Thu Jun 10 2021
NDC053-102315-
/O.CON.KBIS.TO.W.0004.000000T0000Z-210610T2315Z/
McKenzie ND-
505 PM MDT Thu Jun 10 2021
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 515 PM MDT FOR WEST
CENTRAL MCKENZIE COUNTY...
At 505 PM MDT, a severe thunderstorm capable of producing a tornado
was located 12 miles north of Skaar, or 13 miles southeast of Sidney,
moving northeast at 20 mph.
HAZARD...Tornado and half dollar size hail.
SOURCE...Radar indicated rotation.
IMPACT...Flying debris will be dangerous to those caught without
shelter. Mobile homes will be damaged or destroyed. Damage
to roofs, windows, and vehicles will occur. Tree damage is
likely.
This tornadic thunderstorm will remain over mainly rural areas of
west central McKenzie County.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.
Heavy rainfall may hide this tornado. Do not wait to see or hear the
tornado. TAKE COVER NOW!
&&
LAT...LON 4756 10404 4766 10382 4748 10375 4746 10405
TIME...MOT...LOC 2305Z 208DEG 19KT 4755 10400
TORNADO...RADAR INDICATED
HAIL...1.25IN
$$
HOLLANThe 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, 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, 6:35 PM CDT | Tornado Warning | BIS | McKenzie | 25 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.