Alert archive / North Dakota / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 53, NWS Grand Forks, ND
NWS Grand Forks, ND issued this severe thunderstorm warning at Jul 19, 2021, 3:13 PM CDT for Clay County, Otter Tail County, Wilkin County, Minnesota; 4 counties in North Dakota. It was in force for 62 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
- Jul 19, 2021, 3:13 PM CDT (20:13 UTC)
- Expired
- Jul 19, 2021, 4:15 PM CDT
- In force
- 62 min
- Issued by
- NWS Grand Forks, ND
- Area
- Storm-based polygon
- Hail
- 0.75 in
- Wind
- 60.0 mph
Counties Clay County, MN, Otter Tail County, MN, Wilkin County, MN, Cass County, ND, Ransom County, ND, Richland County, ND, Sargent County, ND
The radar
The Fargo/Grand Forks radar (KMVX), 147 km from the middle of the area, began a volume at 20:16 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 |
|---|---|---|---|
| Jul 19, 4:10 PM CDT | TSTM WND GST 60 | Campbell, MN | ESTIMATED UP TO 60 MPH WINDS. |
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 12:00Z, 8.2 hours before the alert went out and 204 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
- 654 J/kg
- Mixed-layer CIN
- -150 J/kg
- Mixed-layer LCL
- 928 m above ground
- 0-6 km bulk shear
- 23 kt
- 0-1 km storm-relative helicity
- -3 m²/s²
- 0-3 km storm-relative helicity
- 61 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.2
The text
As transmitted.
565
WUUS53 KFGF 192013
SVRFGF
MNC027-111-167-NDC017-073-077-081-192115-
/O.NEW.KFGF.SV.W.0053.210719T2013Z-210719T2115Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Grand Forks ND
313 PM CDT Mon Jul 19 2021
The National Weather Service in Grand Forks has issued a
* Severe Thunderstorm Warning for...
Southwestern Clay County in northwestern Minnesota...
Southwestern Otter Tail County in west central Minnesota...
Wilkin County in west central Minnesota...
Southeastern Ransom County in southeastern North Dakota...
Southeastern Cass County in southeastern North Dakota...
Richland County in southeastern North Dakota...
Northeastern Sargent County in southeastern North Dakota...
* Until 415 PM CDT.
* At 312 PM CDT, severe thunderstorms were located along a line
extending from near Glyndon to 6 miles east of Comstock to McLeod,
moving south at 40 mph.
HAZARD...60 mph wind gusts and penny size hail.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
* Severe thunderstorms will be near...
Wolverton around 315 PM CDT.
De Lamere around 325 PM CDT.
Barnesville, Wyndmere and Kent around 330 PM CDT.
Other locations in the path of these severe thunderstorms include
Hamlin, Brushvale and Lawndale.
This includes the following highways...
Interstate 29 between mile markers 0 and 52.
Interstate 94 in Minnesota between mile markers 7 and 56.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 4644 9751 4674 9672 4696 9653 4629 9608
4616 9617 4610 9627 4607 9633 4602 9658
4593 9656 4593 9721
TIME...MOT...LOC 2012Z 338DEG 35KT 4682 9653 4663 9662 4639 9729
HAIL...0.75IN
WIND...60MPH
$$
JR2 follow-up statements
502
WWUS53 KFGF 192041
SVSFGF
Severe Weather Statement
National Weather Service Grand Forks ND
341 PM CDT Mon Jul 19 2021
MNC027-NDC017-192050-
/O.CAN.KFGF.SV.W.0053.000000T0000Z-210719T2115Z/
Clay MN-Cass ND-
341 PM CDT Mon Jul 19 2021
...THE SEVERE THUNDERSTORM WARNING FOR SOUTHWESTERN CLAY AND
SOUTHEASTERN CASS COUNTIES IS CANCELLED...
The storms which prompted the warning have moved out of
the warned area. Therefore, the warning has been cancelled.
LAT...LON 4632 9740 4645 9666 4663 9636 4662 9630
4629 9608 4616 9617 4610 9627 4607 9633
4602 9658 4594 9656 4593 9721
TIME...MOT...LOC 2040Z 338DEG 35KT 4657 9638 4638 9647 4614 9714
$$
MNC111-167-NDC073-077-081-192115-
/O.CON.KFGF.SV.W.0053.000000T0000Z-210719T2115Z/
Otter Tail MN-Wilkin MN-Ransom ND-Richland ND-Sargent ND-
341 PM CDT Mon Jul 19 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 415 PM CDT
FOR SOUTHWESTERN OTTER TAIL...WILKIN...SOUTHEASTERN RANSOM...RICHLAND
AND NORTHEASTERN SARGENT COUNTIES...
At 340 PM CDT, severe thunderstorms were located along a line
extending from Lawndale to 8 miles north of Everdell to near
Lidgerwood, moving south at 40 mph.
HAZARD...60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
Locations impacted include...
Lidgerwood, Stiles, Everdell, Doran and Carlisle.
This includes the following highways...
Interstate 29 between mile markers 0 and 33.
Interstate 94 in Minnesota between mile markers 28 and 56.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 4632 9740 4645 9666 4663 9636 4662 9630
4629 9608 4616 9617 4610 9627 4607 9633
4602 9658 4594 9656 4593 9721
TIME...MOT...LOC 2040Z 338DEG 35KT 4657 9638 4638 9647 4614 9714
HAIL...<.75IN
WIND...60MPH
$$
JR068
WWUS53 KFGF 192110
SVSFGF
Severe Weather Statement
National Weather Service Grand Forks ND
410 PM CDT Mon Jul 19 2021
MNC111-167-NDC073-077-081-192120-
/O.EXP.KFGF.SV.W.0053.000000T0000Z-210719T2115Z/
Otter Tail MN-Wilkin MN-Ransom ND-Richland ND-Sargent ND-
410 PM CDT Mon Jul 19 2021
...THE SEVERE THUNDERSTORM WARNING FOR SOUTHWESTERN OTTER TAIL...
WILKIN...SOUTHEASTERN RANSOM...RICHLAND AND NORTHEASTERN SARGENT
COUNTIES WILL EXPIRE AT 415 PM CDT...
The storms which prompted the warning have weakened below severe
limits, and no longer pose an immediate threat to life or property.
Therefore, the warning will be allowed to expire.
LAT...LON 4632 9740 4645 9666 4663 9636 4662 9630
4629 9608 4616 9617 4610 9627 4607 9633
4602 9658 4594 9656 4593 9721
TIME...MOT...LOC 2110Z 338DEG 35KT 4632 9624 4613 9633 4589 9699
$$
LeeThe office that day
Everything else NWS Grand Forks, ND issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 19, 7:15 AM CDT | Special Weather Statement | FGF | Lake of the Woods | 60 min |
| Jul 19, 7:47 AM CDT | Special Weather Statement | FGF | Roseau | 43 min |
| Jul 19, 8:19 AM CDT | Special Weather Statement | FGF | Roseau | 56 min |
| Jul 19, 8:26 AM CDT | Special Weather Statement | FGF | Kittson | 64 min |
| Jul 19, 1:32 PM CDT | Severe Thunderstorm Warning | FGF | Clay, Norman, Polk | 58 min |
| Jul 19, 2:27 PM CDT | Severe Thunderstorm Warning | FGF | Clay, Norman, Wilkin | 63 min |
| Jul 19, 10:55 AM CDT | Special Weather Statement | FGF | Ramsey | 65 min |
| Jul 19, 11:28 AM CDT | Severe Thunderstorm Warning | FGF | Benson, Grand Forks, Nelson, Ramsey, Walsh | 62 min |
| Jul 19, 12:11 PM CDT | Severe Thunderstorm Warning | FGF | Grand Forks, Griggs, Nelson, Ramsey, Steele, Walsh | 64 min |
| Jul 19, 1:02 PM CDT | Special Weather Statement | FGF | Grand Forks, Steele, Traill | 58 min |
| Jul 19, 6:44 PM CDT | Severe Thunderstorm Warning | FGF | Benson, Ramsey, Towner | 46 min |
Nearby
Severe Thunderstorm Warnings in North Dakota, 2021Severe Thunderstorm Warnings in Minnesota, 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.