Alert archive / North Dakota / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 43, NWS Bismarck, ND
NWS Bismarck, ND issued this severe thunderstorm warning at Jun 8, 2021, 6:25 PM MDT for Golden Valley County, McKenzie County, North Dakota. It was in force for 65 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 8, 2021, 6:25 PM MDT (00:25 UTC)
- Expired
- Jun 8, 2021, 7:30 PM MDT
- In force
- 65 min
- Issued by
- NWS Bismarck, ND
- Area
- Storm-based polygon
- Hail
- 2.75 in
- Wind
- 60.0 mph
Counties Golden Valley County, ND, McKenzie County, ND
The radar
The Glasgow radar (KGGW), 231 km from the middle of the area, began a volume at 00:26 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 8, 6:28 PM MDT | HAIL 1.75 | 1 N Trotters, ND |
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 8, 5:15 PM MDT | Severe Thunderstorm Watch | SPC | 7 hr |
The nearest sounding before it
Glasgow Intl Airport, MT (KGGW), launched 00:00Z, 0.4 hours before the alert went out and 230 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
- 558 J/kg
- Mixed-layer CIN
- -175 J/kg
- Mixed-layer LCL
- 1718 m above ground
- 0-6 km bulk shear
- 63 kt
- 0-1 km storm-relative helicity
- 279 m²/s²
- 0-3 km storm-relative helicity
- 351 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 3.9
The text
As transmitted.
638
WUUS53 KBIS 090025
SVRBIS
NDC033-053-090130-
/O.NEW.KBIS.SV.W.0043.210609T0025Z-210609T0130Z/
BULLETIN - EAS ACTIVATION REQUESTED
Severe Thunderstorm Warning
National Weather Service Bismarck ND
725 PM CDT Tue Jun 8 2021
The National Weather Service in Bismarck has issued a
* Severe Thunderstorm Warning for...
Northern Golden Valley County in southwestern North Dakota...
Southwestern McKenzie County in northwestern North Dakota...
* Until 830 PM CDT/730 PM MDT/.
* At 725 PM CDT/625 PM MDT/, a severe thunderstorm was located over
Trotters, or 27 miles southeast of Sidney, moving northeast at 25
mph.
This is a very dangerous storm.
HAZARD...Baseball size hail and 60 mph wind gusts.
SOURCE...Public.
IMPACT...People and animals outdoors will be severely injured.
Expect shattered windows, extensive damage to roofs,
siding, and vehicles.
* This severe thunderstorm will remain over mainly rural areas of
northern Golden Valley and southwestern McKenzie Counties,
including the following locations... Sather Dam.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
This is a dangerous storm. Prepare immediately for large destructive
hail capable of producing significant damage. People outside should
move to shelter inside a strong building, and stay away from
windows.
&&
LAT...LON 4746 10404 4776 10393 4752 10329 4733 10357
4733 10367 4726 10367 4712 10387 4717 10405
TIME...MOT...LOC 0025Z 210DEG 21KT 4736 10392
HAIL...2.75IN
WIND...60MPH
$$
GALE1 follow-up statement
244
WWUS53 KBIS 090046
SVSBIS
Severe Weather Statement
National Weather Service Bismarck ND
746 PM CDT Tue Jun 8 2021
NDC033-090056-
/O.CAN.KBIS.SV.W.0043.000000T0000Z-210609T0130Z/
Golden Valley ND-
746 PM CDT Tue Jun 8 2021
...THE SEVERE THUNDERSTORM WARNING FOR NORTHERN GOLDEN VALLEY COUNTY
IS CANCELLED...
The severe thunderstorm which prompted the warning has moved out of
the warned area. Therefore, the warning has been cancelled.
A Severe Thunderstorm Watch remains in effect until 100 AM
CDT/midnight MDT/ for southwestern and northwestern North Dakota.
LAT...LON 4746 10404 4776 10393 4752 10329 4733 10357
4733 10404
TIME...MOT...LOC 0046Z 217DEG 19KT 4741 10379
$$
NDC053-090130-
/O.CON.KBIS.SV.W.0043.000000T0000Z-210609T0130Z/
McKenzie ND-
746 PM CDT Tue Jun 8 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 830 PM
CDT/730 PM MDT/ FOR SOUTHWESTERN MCKENZIE COUNTY...
At 746 PM CDT/646 PM MDT/, a severe thunderstorm was located 8 miles
northeast of Trotters, or 27 miles southeast of Sidney, moving
northeast at 20 mph.
This is a very dangerous storm.
HAZARD...Baseball size hail and 60 mph wind gusts.
SOURCE...Public.
IMPACT...People and animals outdoors will be severely injured.
Expect shattered windows, extensive damage to roofs,
siding, and vehicles.
This severe thunderstorm will remain over mainly rural areas of
southwestern McKenzie County, including the following locations...
Sather Dam.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
This is a dangerous storm. Prepare immediately for large destructive
hail capable of producing significant damage. People outside should
move to a shelter, inside a strong building and away from windows.
&&
LAT...LON 4746 10404 4776 10393 4752 10329 4733 10357
4733 10404
TIME...MOT...LOC 0046Z 217DEG 19KT 4741 10379
HAIL...2.75IN
WIND...60MPH
$$
GALEThe office that day
Everything else NWS Bismarck, ND issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 8, 6:00 PM MDT | Areal Flood Warning | BIS | Grant, Morton | 14 hr |
| Jun 8, 7:02 PM MDT | Special Weather Statement | BIS | Billings, Golden Valley | 43 min |
| Jun 8, 7:08 PM MDT | Special Weather Statement | BIS | Burke, Mountrail | 37 min |
| Jun 8, 7:12 PM MDT | Severe Thunderstorm Warning | BIS | McKenzie | 20 min |
| Jun 8, 7:22 PM MDT | Severe Thunderstorm Warning | BIS | Billings, Dunn, McKenzie | 38 min |
| Jun 8, 7:57 PM MDT | Special Weather Statement | BIS | Dunn | 48 min |
| Jun 8, 8:34 PM MDT | Special Weather Statement | BIS | Burke, Mountrail, Renville, Ward | 41 min |
| Jun 8, 9:48 PM MDT | Special Weather Statement | BIS | Stark | 27 min |
| Jun 8, 10:14 PM MDT | Severe Thunderstorm Warning | BIS | McKenzie, Williams | 61 min |
| Jun 8, 10:28 PM MDT | Areal Flood Advisory | BIS | Hettinger, Stark | 5 hr |
| Jun 8, 10:58 PM MDT | Severe Thunderstorm Warning | BIS | Adams, Grant, Hettinger, Sioux | 47 min |
| Jun 8, 11:01 PM MDT | Severe Thunderstorm Warning | BIS | Grant, Hettinger, Morton, Stark | 59 min |
| Jun 8, 11:43 PM MDT | Severe Thunderstorm Warning | BIS | Grant, Morton, Sioux | 47 min |
| Jun 9, 7:37 AM MDT | River Flood Warning | BIS | Morton, Sioux | 23 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.