Alert archive / North Dakota / Tornado Warnings in 2021

Tornado Warning 6, NWS Bismarck, ND

June 10, 2021McKenzie County, North Dakota

NWS Bismarck, ND issued this tornado warning at Jun 10, 2021, 6:16 PM CDT for McKenzie County, North Dakota. It was in force for 29 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, 6:16 PM CDT (23:16 UTC)
Expired: Jun 10, 2021, 6:45 PM CDT
In force: 29 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), 200 km from the middle of the area, began a volume at 23:17 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, 11.3 hours before the alert went out and 199 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.

Skew-T log-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.

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

Open this sounding in Storm Lab

The text

As transmitted.

414 
WFUS53 KBIS 102316
TORBIS
NDC053-102345-
/O.NEW.KBIS.TO.W.0006.210610T2316Z-210610T2345Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Bismarck ND
616 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 645 PM CDT/545 PM MDT/.
    
* At 616 PM CDT/516 PM MDT/, a severe thunderstorm capable of
  producing a tornado was located near East Fairview, or 11 miles
  northeast of Sidney, moving north 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
  west central McKenzie County, including the following locations...
  Cartwright.

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.

This cluster of thunderstorms is capable of producing tornadoes and
widespread significant wind damage. Do not wait to see or hear the
tornado. For your protection move to an interior room on the lowest
floor of a building.

&&

LAT...LON 4799 10404 4799 10402 4797 10401 4797 10400
      4798 10398 4798 10394 4796 10392 4797 10388
      4793 10368 4776 10393 4779 10405
TIME...MOT...LOC 2316Z 197DEG 21KT 4783 10398 

TORNADO...RADAR INDICATED
HAIL...1.25IN

$$

HARGROVE

The 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 Tornado observed	BIS	McKenzie	24 min
Jun 10, 6:30 PM CDT	Tornado Warning	BIS	McKenzie	30 min
Jun 10, 6:35 PM CDT	Tornado Warning Tornado observedConsiderable damage threat	BIS	McKenzie	25 min
Jun 10, 6:54 PM CDT	Tornado Warning	BIS	McKenzie	25 min

Nearby

Tornado Warnings in North Dakota, 2021 Every tornado warning in 2021 Tornadoes 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.