Alert archive / Minnesota / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 15, NWS Grand Forks, ND
NWS Grand Forks, ND issued this severe thunderstorm warning at Jun 7, 2021, 10:03 PM CDT for Clay County, Wilkin County, Minnesota; Cass County, Richland County, North Dakota. It was in force for 57 min. 21 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 7, 2021, 10:03 PM CDT (03:03 UTC)
- Expired
- Jun 7, 2021, 11:00 PM CDT
- In force
- 57 min
- Issued by
- NWS Grand Forks, ND
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 70.0 mph
Counties Clay County, MN, Wilkin County, MN, Cass County, ND, Richland County, ND
The radar
The Fargo/Grand Forks radar (KMVX), 94 km from the middle of the area, began a volume at 03:03 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 7, 10:05 PM CDT | TSTM WND DMG | 2 E Davenport, ND | LARGE TREES BROKEN DOWN AND SHINGLES BLOWN OFF. |
| Jun 7, 10:13 PM CDT | TSTM WND DMG | 2 Wsw Horace, ND | AN EMPTY STEEL GRAIN BIN WAS POPPED OFF ITS PAD AND TUMBLED DOWNWIND. |
| Jun 7, 10:14 PM CDT | TSTM WND DMG | 3 Ssw West Fargo, ND | REPORT FROM MPING: 1-INCH TREE LIMBS BROKEN; SHINGLES BLOWN OFF. |
| Jun 7, 10:14 PM CDT | TSTM WND DMG | 3 Ssw West Fargo, ND | REPORT OF LARGE BRANCHES BROKEN DOWN AND SHINGLES OFF OF A HOUSE. |
| Jun 7, 10:15 PM CDT | TSTM WND GST 80 | 7 S Horace, ND | A POLE SHED WAS BLOWN APART BY SQUALL LINE WINDS. SHED MATERIALS WERE SCATTERED DOWNWIND. SURROUNDING FARMSTEADS IN NORMANA AND PLEASANT TOWNSHIPS HAD NUMEROUS LARGE TREE BRANCHES AND LIMBS BROKEN DOWN AS WELL. PHOTOGRAPHERS NOTED MULTIPLE DUSTY GROUND SWIRLS |
| Jun 7, 10:16 PM CDT | TSTM WND DMG | Walcott, ND | LARGE BRANCHES BROKEN DOWN WITH SOME TREES SNAPPED. TIME ESTIMATED BASED ON RADAR. REPORT POSTED VIA SOCIAL MEDIA. |
| Jun 7, 10:16 PM CDT | TSTM WND DMG | Walcott, ND | LARGE BRANCHES BROKEN, POSSIBLE TREES SNAPPED. TIME ESTIMATED VIA RADAR. RELAYED VIA SOCIAL MEDIA. |
| Jun 7, 10:24 PM CDT | TSTM WND GST 72 | Horace, ND | PEAK WIND MEASURED AT A PERSONAL WEATHER STATION. |
| Jun 7, 10:25 PM CDT | TSTM WND GST 80 | 4 Ne Walcott, ND | A METAL HIGH VOLTAGE POWER TOWER WAS TWISTED BY THE WINDS. PEAK WINDS ESTIMATED TO BETWEEN 70 AND 80 MPH FOR SEVERAL MINUTES. |
| Jun 7, 10:25 PM CDT | NON-TSTM WND GST 80 | 4 Ne Walcott, ND | A METAL HIGH VOLTAGE POWER TOWED WAS TWISTED BY THE WINDS. PEAK WINDS ESTIMATED TO BETWEEN 70 AND 80 MPH FOR SEVERAL MINUTES. |
| Jun 7, 10:30 PM CDT | TSTM WND DMG | 5 S Moorhead, MN | A HALF MILE OF WOODEN POWER POLES WERE BLOWN DOWN. |
| Jun 7, 10:30 PM CDT | TSTM WND DMG | 5 S Moorhead, MN | A HALF MILE OF POWER POLES WERE BLOWN DOWN. |
| Jun 7, 10:35 PM CDT | TSTM WND GST 63 | 2 Se Dilworth, MN | MNDOT RWIS STATION MN013 DILWORTH MN 2 S MEASURED 63 MPH WIND GUST AT 10:35 PM CDT. |
| Jun 7, 10:35 PM CDT | TSTM WND GST 63 | 2 Se Dilworth, MN | PEAK WINDS MEASURED AT A MNDOT RWIS STATION. |
| Jun 7, 10:37 PM CDT | TSTM WND GST 77 | 2 E Wolverton, MN | CORRECTS PREVIOUS TSTM WND GST REPORT FROM 2 E WOLVERTON. 10 METER WIND GUST OF 77MPH, COURTESY OF NDAWN. |
| Jun 7, 10:37 PM CDT | TSTM WND GST 77 | 2 E Wolverton, MN | PEAK WIND MEASURED AT AN NDAWN STATION AT 10 METERS. |
| Jun 7, 10:38 PM CDT | HAIL 0.75 | 2 Ese West Fargo, ND | REPORTED VIA SPOTTER NETWORK. |
| Jun 7, 10:41 PM CDT | TSTM WND GST 55 | Moorhead, MN | REPORTED BY TOM SZYMANSKI. 50 -55 MPH WIND GUST. |
| Jun 7, 10:49 PM CDT | TSTM WND DMG | 2 Ene Baker, MN | SEVERAL STEEL ROOFING PANELS WERE TORN OFF OF A POTATO WAREHOUSE. PEAK WINDS ESTIMATED TO 75 MPH, WITH MULTIPLE GUSTS OVER SEVERAL MINUTES. |
| Jun 7, 10:49 PM CDT | TSTM WND DMG | Baker, MN | WIND DAMAGE TO A BARN ROOF. TIME ESTIMATED BY RADAR. |
| Jun 7, 10:59 PM CDT | TSTM WND GST 77 | 2 E Wolverton, MN | 10 METER WIND GUST OF 77MPH, COURTESY OF NDAWN. |
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 7, 5:45 PM CDT | Severe Thunderstorm Watch | SPC | 8 hr |
The nearest sounding before it
Aberdeen, SD (KABR), launched 00:00Z, 3.1 hours before the alert went out and 225 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.
946
WUUS53 KFGF 080303
SVRFGF
MNC027-167-NDC017-077-080400-
/O.NEW.KFGF.SV.W.0015.210608T0303Z-210608T0400Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Grand Forks ND
1003 PM CDT Mon Jun 7 2021
The National Weather Service in Grand Forks has issued a
* Severe Thunderstorm Warning for...
Western Clay County in northwestern Minnesota...
Northern Wilkin County in west central Minnesota...
Southeastern Cass County in southeastern North Dakota...
Northwestern Richland County in southeastern North Dakota...
* Until 1100 PM CDT.
* At 1002 PM CDT, a severe thunderstorm was located near Durbin, or
16 miles southwest of Fargo, moving east at 35 mph.
HAZARD...70 mph wind gusts and quarter size hail.
SOURCE...Radar indicated.
IMPACT...Hail damage to vehicles is expected. Expect considerable
tree damage. Wind damage is also likely to mobile homes,
roofs, and outbuildings.
* This severe thunderstorm will be near...
Davenport around 1005 PM CDT.
West Fargo around 1015 PM CDT.
Horace around 1020 PM CDT.
Frontier, Wild Rice and Prairie Rose around 1025 PM CDT.
Briarwood, Rustad and Oxbow around 1030 PM CDT.
Other locations impacted by this severe thunderstorm include Moorhead
Airport and Casselton Airport.
This severe thunderstorm will be near...
Davenport around 1005 PM CDT.
West Fargo around 1015 PM CDT.
Horace around 1020 PM CDT.
Frontier, Wild Rice and Prairie Rose around 1025 PM CDT.
Briarwood, Rustad and Oxbow around 1030 PM CDT.
Other locations impacted by this severe thunderstorm include Moorhead
Airport and Casselton Airport.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 4659 9728 4663 9728 4663 9730 4690 9742
4714 9649 4657 9629 4652 9725
TIME...MOT...LOC 0302Z 265DEG 32KT 4676 9714
HAIL...1.00IN
WIND...70MPH
$$
jr2 follow-up statements
293
WWUS53 KFGF 080329
SVSFGF
Severe Weather Statement
National Weather Service Grand Forks ND
1029 PM CDT Mon Jun 7 2021
MNC027-167-NDC017-077-080400-
/O.CON.KFGF.SV.W.0015.000000T0000Z-210608T0400Z/
Clay MN-Wilkin MN-Cass ND-Richland ND-
1029 PM CDT Mon Jun 7 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1100 PM CDT
FOR WESTERN CLAY...NORTHERN WILKIN...SOUTHEASTERN CASS AND
NORTHWESTERN RICHLAND COUNTIES...
At 1029 PM CDT, a severe thunderstorm was located over Wild Rice, or
8 miles south of Fargo, moving east at 20 mph.
HAZARD...60 mph wind gusts and penny size hail.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
This severe storm will be near...
Frontier around 1030 PM CDT.
Wild Rice, Briarwood and Oxbow around 1035 PM CDT.
Rustad and Comstock around 1040 PM CDT.
Sabin around 1055 PM CDT.
Baker around 1110 PM CDT.
Other locations impacted by this severe thunderstorm include Moorhead
Airport and Casselton Airport.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
Continuous cloud to ground lightning is occurring with this storm.
Move indoors immediately. Lightning is one of nature's leading
killers. Remember, if you can hear thunder, you are close enough to
be struck by lightning.
&&
LAT...LON 4659 9728 4663 9728 4663 9730 4695 9719
4714 9649 4657 9629 4652 9725
TIME...MOT...LOC 0329Z 271DEG 18KT 4674 9684
HAIL...0.75IN
WIND...60MPH
$$
jr086
WWUS53 KFGF 080353
SVSFGF
Severe Weather Statement
National Weather Service Grand Forks ND
1053 PM CDT Mon Jun 7 2021
MNC027-167-NDC017-077-080402-
/O.EXP.KFGF.SV.W.0015.000000T0000Z-210608T0400Z/
Clay MN-Wilkin MN-Cass ND-Richland ND-
1053 PM CDT Mon Jun 7 2021
...THE SEVERE THUNDERSTORM WARNING FOR WESTERN CLAY...NORTHERN
WILKIN...SOUTHEASTERN CASS AND NORTHWESTERN RICHLAND COUNTIES WILL
EXPIRE AT 1100 PM CDT...
The storm which prompted the warning has weakened below severe
limits, and has exited the warned area. Therefore, the warning will
be allowed to expire. However small hail and gusty winds are still
possible with this thunderstorm.
A Severe Thunderstorm Watch remains in effect until midnight CDT for
northwestern Minnesota...and southeastern North Dakota.
LAT...LON 4659 9728 4663 9728 4663 9730 4695 9719
4714 9649 4657 9629 4652 9725
TIME...MOT...LOC 0352Z 265DEG 32KT 4676 9655
$$
jrThe office that day
Everything else NWS Grand Forks, ND issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 7, 10:55 PM CDT | Special Weather Statement | FGF | Clay | 65 min |
| Jun 7, 11:12 PM CDT | Severe Thunderstorm Warning | FGF | Becker, Clay | 48 min |
| Jun 7, 11:26 PM CDT | Severe Thunderstorm Warning | FGF | Clay, Otter Tail, Wilkin | 64 min |
| Jun 7, 11:47 PM CDT | Special Weather Statement | FGF | Beltrami | 58 min |
| Jun 7, 11:55 PM CDT | Severe Thunderstorm Warning | FGF | Becker, Otter Tail | 50 min |
| Jun 8, 12:17 AM CDT | Severe Thunderstorm Warning | FGF | Otter Tail, Wadena | 43 min |
| Jun 8, 12:23 AM CDT | Special Weather Statement | FGF | Grant | 67 min |
| Jun 8, 12:34 AM CDT | Special Weather Statement | FGF | Hubbard | 41 min |
| Jun 8, 12:39 AM CDT | Special Weather Statement | FGF | Becker | 36 min |
| Jun 8, 12:54 AM CDT | Special Weather Statement | FGF | Wadena | 36 min |
| 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, 10:08 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 |
| Jun 8, 5:44 AM CDT | Severe Thunderstorm Warning | FGF | Barnes, Ransom | 41 min |
Nearby
Severe Thunderstorm Warnings in Minnesota, 2021Severe 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.