Alert archive / North Dakota / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 22, NWS Grand Forks, ND
NWS Grand Forks, ND issued this severe thunderstorm warning at Jun 8, 2021, 2:45 AM CDT for Barnes County, Ransom County, North Dakota. It was in force for 60 min. 4 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, 2:45 AM CDT (07:45 UTC)
- Expired
- Jun 8, 2021, 3:45 AM CDT
- In force
- 60 min
- Issued by
- NWS Grand Forks, ND
- Area
- Storm-based polygon
- Hail
- 1.5 in
- Wind
- 60.0 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 07:43 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, 3:35 AM CDT | HAIL 2.75 | 2 Nw Litchville, ND | CORRECTS PREVIOUS HAIL REPORT FROM LITCHVILLE. FORMER COOP OBSERVER NEAR LITCHVILLE REPORTED HAIL ESTIMATED TO THE SIZE OF BASEBALLS AND TORRENTIAL RAINFALL. |
| Jun 8, 3:35 AM CDT | HAIL 2.75 | 2 Nw Litchville, ND | FORMER COOP OBSERVER REPORTS BASEBALL SIZED HAIL AND TORRENTIAL RAINS. |
| Jun 8, 3:35 AM CDT | HAIL 2.75 | Litchville, ND | FORMER COOP OBSERVER NEAR LITCHVILLE REPORTED HAIL ESTIMATED TO THE SIZE OF BASEBALLS AND TORRENTIAL RAINFALL. |
| Jun 8, 3:50 AM CDT | HAIL 1.25 | 7 W Litchville, ND |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Bismarck Municip, ND (KBIS), launched 00:00Z, 7.8 hours before the alert went out and 197 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
- 1478 J/kg
- Mixed-layer CIN
- -69 J/kg
- Mixed-layer LCL
- 2452 m above ground
- 0-6 km bulk shear
- 44 kt
- 0-1 km storm-relative helicity
- 17 m²/s²
- 0-3 km storm-relative helicity
- 184 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 5.5
The text
As transmitted.
207
WUUS53 KFGF 080745
SVRFGF
NDC003-073-080845-
/O.NEW.KFGF.SV.W.0022.210608T0745Z-210608T0845Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Grand Forks ND
245 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...
Southern Barnes County in southeastern North Dakota...
* Until 345 AM CDT.
* At 245 AM CDT, a severe thunderstorm was located over Litchville,
or 18 miles south of Valley City, moving east at 15 mph.
HAZARD...Ping pong ball size hail and 60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...People and animals outdoors will be injured. Expect hail
damage to roofs, siding, windows, and vehicles. Expect
wind damage to roofs, siding, and trees.
* Locations impacted include...
Litchville, Hastings, Kathryn and Little Yellowstone.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
Large hail and damaging winds 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 9804 4663 9844 4687 9844 4685 9775
4645 9803
TIME...MOT...LOC 0745Z 262DEG 12KT 4667 9814
HAIL...1.50IN
WIND...60MPH
$$
CJ1 follow-up statement
695
WWUS53 KFGF 080818
SVSFGF
Severe Weather Statement
National Weather Service Grand Forks ND
318 AM CDT Tue Jun 8 2021
NDC003-073-080845-
/O.CON.KFGF.SV.W.0022.000000T0000Z-210608T0845Z/
Ransom ND-Barnes ND-
318 AM CDT Tue Jun 8 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 345 AM CDT
FOR NORTHWESTERN RANSOM AND SOUTHERN BARNES COUNTIES...
At 317 AM CDT, a severe thunderstorm was located over Kathryn, or 16
miles south of Valley City, moving east at 15 mph.
HAZARD...Two inch hail and 60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...People and animals outdoors will be injured. Expect hail
damage to roofs, siding, windows, and vehicles. Expect wind
damage to roofs, siding, and trees.
Locations impacted include...
Litchville, Hastings, Kathryn and Little Yellowstone.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
Continuous cloud to ground lightning is occurring with this storm.
Move indoors immediately. Lightning is one of nature's leading
killers. Remember, if you can hear thunder, you are close enough to
be struck by lightning.
Torrential rainfall is occurring with this storm, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.
&&
LAT...LON 4663 9804 4663 9844 4687 9844 4685 9775
4645 9803
TIME...MOT...LOC 0817Z 262DEG 12KT 4669 9798
HAIL...2.00IN
WIND...60MPH
$$
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, 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 |
| Jun 8, 5:44 AM CDT | Severe Thunderstorm Warning | FGF | Barnes, Ransom | 41 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.