Alert archive / North Dakota / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 26, NWS Grand Forks, ND
NWS Grand Forks, ND issued this severe thunderstorm warning at Jun 8, 2021, 5:44 AM CDT for Barnes County, Ransom County, North Dakota. It was in force for 41 min. 2 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 8, 2021, 5:44 AM CDT (10:44 UTC)
- Expired
- Jun 8, 2021, 6:25 AM CDT
- In force
- 41 min
- Issued by
- NWS Grand Forks, ND
- Area
- Storm-based polygon
- Hail
- 2.0 in
- Wind
- 50.0 mph
Counties Barnes County, ND, Ransom County, ND
The radar
The Fargo/Grand Forks radar (KMVX), 112 km from the middle of the area, began a volume at 10:43 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, 6:00 AM CDT | HAIL 1.5 | Fort Ransom, ND | SECOND ROUND OF LARGE HAIL. REPORT AND PHOTO POSTED VIA SOCIAL MEDIA. |
| Jun 8, 6:00 AM CDT | HAIL 1.5 | Fort Ransom, ND | SOCIAL MEDIA REPORT. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Aberdeen, SD (KABR), launched 00:00Z, 10.7 hours before the alert went out and 193 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
- 2695 J/kg
- Mixed-layer CIN
- -26 J/kg
- Mixed-layer LCL
- 2391 m above ground
- 0-6 km bulk shear
- 26 kt
- 0-1 km storm-relative helicity
- 30 m²/s²
- 0-3 km storm-relative helicity
- 161 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 5.8
The text
As transmitted.
792
WUUS53 KFGF 081044
SVRFGF
NDC003-073-081145-
/O.NEW.KFGF.SV.W.0026.210608T1044Z-210608T1145Z/
BULLETIN - EAS ACTIVATION REQUESTED
Severe Thunderstorm Warning
National Weather Service Grand Forks ND
544 AM CDT Tue Jun 8 2021
The National Weather Service in Grand Forks has issued a
* Severe Thunderstorm Warning for...
Northwestern Ransom County in southeastern North Dakota...
Southeastern Barnes County in southeastern North Dakota...
* Until 645 AM CDT.
* At 543 AM CDT, a severe thunderstorm was located over Fort Ransom,
or 26 miles south of Valley City, and is nearly stationary.
HAZARD...Two inch hail.
SOURCE...Radar indicated.
IMPACT...People and animals outdoors will be injured. Expect
damage to roofs, siding, windows, and vehicles.
* Locations impacted include...
Fort Ransom, Fort Ransom State Park, Nome and Little Yellowstone.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
This storm is producing large hail. SEEK SHELTER NOW inside a sturdy
structure and stay away from windows!
To report severe weather, contact your nearest law enforcement
agency. They will send your report to the National Weather Service
office in Grand Forks.
Large hail and continuous cloud to ground lightning is occurring
with this storm. Move indoors immediately.
Lightning is one of nature's leading killers. Remember, if you can
hear thunder, you are close enough to be struck by lightning.
Torrential rainfall is occurring with this storm, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.
&&
LAT...LON 4663 9803 4663 9815 4670 9768 4663 9768
4663 9767 4649 9766 4642 9803
TIME...MOT...LOC 1043Z 255DEG 3KT 4655 9797
HAIL...2.00IN
WIND...<50MPH
$$
CJ2 follow-up statements
277
WWUS53 KFGF 081112
SVSFGF
Severe Weather Statement
National Weather Service Grand Forks ND
612 AM CDT Tue Jun 8 2021
NDC003-073-081145-
/O.CON.KFGF.SV.W.0026.000000T0000Z-210608T1145Z/
Ransom ND-Barnes ND-
612 AM CDT Tue Jun 8 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 645 AM CDT
FOR NORTHWESTERN RANSOM AND SOUTHEASTERN BARNES COUNTIES...
At 612 AM CDT, a severe thunderstorm was located over Fort Ransom, or
25 miles south of Valley City, and is nearly stationary.
HAZARD...Half dollar size hail.
SOURCE...Radar indicated.
IMPACT...Damage to vehicles is expected.
Locations impacted include...
Fort Ransom, Nome and Little Yellowstone.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
To report severe weather contact your nearest law enforcement agency.
They will send your report to the National Weather Service office in
Grand Forks.
&&
LAT...LON 4663 9803 4663 9815 4670 9768 4663 9768
4663 9767 4649 9766 4642 9803
TIME...MOT...LOC 1112Z 255DEG 3KT 4656 9794
HAIL...1.25IN
WIND...<50MPH
$$
CJ081
WWUS53 KFGF 081125
SVSFGF
Severe Weather Statement
National Weather Service Grand Forks ND
625 AM CDT Tue Jun 8 2021
NDC003-073-081135-
/O.CAN.KFGF.SV.W.0026.000000T0000Z-210608T1145Z/
Ransom ND-Barnes ND-
625 AM CDT Tue Jun 8 2021
...THE SEVERE THUNDERSTORM WARNING FOR NORTHWESTERN RANSOM AND
SOUTHEASTERN BARNES COUNTIES IS CANCELLED...
The storm which prompted the warning has weakened below severe
limits, and no longer poses an immediate threat to life or property.
Therefore, the warning has been cancelled.
Remember, a Severe Thunderstorm Warning still remains in effect for
northeast LaMoure County.
LAT...LON 4663 9803 4663 9815 4670 9768 4663 9768
4663 9767 4649 9766 4642 9803
TIME...MOT...LOC 1124Z 255DEG 3KT 4656 9792
$$
CJThe office that day
Everything else NWS Grand Forks, ND issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 7, 8:02 PM CDT | Severe Thunderstorm Warning | FGF | Barnes, Cass, Griggs, Steele | 58 min |
| Jun 7, 8:12 PM CDT | Severe Thunderstorm Warning | FGF | Barnes, Cass | 63 min |
| Jun 7, 9:09 PM CDT | Severe Thunderstorm Warning | FGF | Barnes, Cass | 66 min |
| Jun 7, 9:20 PM CDT | Severe Thunderstorm Warning | FGF | Ransom | 23 min |
| Jun 7, 10:03 PM CDT | Severe Thunderstorm Warning | FGF | Cass, Richland | 57 min |
| Jun 7, 10:08 PM CDT | Severe Thunderstorm Warning | FGF | Barnes, Cass, Ransom, Richland | 67 min |
| Jun 7, 11:08 PM CDT | Special Weather Statement | FGF | Richland | 52 min |
| Jun 8, 1:39 AM CDT | Severe Thunderstorm Warning | FGF | Barnes | 66 min |
| Jun 8, 2:45 AM CDT | Severe Thunderstorm Warning | FGF | Barnes, Ransom | 60 min |
| Jun 8, 3:42 AM CDT | Severe Thunderstorm Warning | FGF | Barnes | 63 min |
| Jun 8, 4:12 AM CDT | Areal Flood Advisory | FGF | Barnes | 9 hr |
| Jun 8, 4:47 AM CDT | Severe Thunderstorm Warning | FGF | Ransom | 58 min |
| Jun 8, 5:00 AM CDT | Severe Thunderstorm Warning | FGF | Barnes | 60 min |
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.