Alert archive / Minnesota / Severe Thunderstorm Warnings in 2018
Severe Thunderstorm Warning 21, NWS Grand Forks, ND
NWS Grand Forks, ND issued this severe thunderstorm warning at Jun 6, 2018, 12:57 AM CDT for 4 counties in Minnesota. It was in force for 48 min. 5 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 6, 2018, 12:57 AM CDT (05:57 UTC)
- Expired
- Jun 6, 2018, 1:45 AM CDT
- In force
- 48 min
- Issued by
- NWS Grand Forks, ND
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 60.0 mph
Counties Becker County, MN, Clay County, MN, Otter Tail County, MN, Wilkin County, MN
The radar
The Fargo/Grand Forks radar (KMVX), 122 km from the middle of the area, began a volume at 06:00 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 6, 1:12 AM CDT | TSTM WND DMG | 2 Ese Lake Park, MN | LARGE 8 INCH DIAMETER OAK BRANCH SNAPPED OFF. |
| Jun 6, 1:23 AM CDT | TSTM WND DMG | Pelican Rapids, MN | LARGE TREE BRANCHES DOWN VIA SOCIAL MEDIA |
| Jun 6, 1:39 AM CDT | TSTM WND DMG | 3 Sw Frazee, MN | POPLAR TREE SNAPPED NEAR THE BASE. |
| Jun 6, 1:40 AM CDT | TSTM WND DMG | 1 Sw Frazee, MN | ASH TREE UPROOTED. |
| Jun 6, 1:50 AM CDT | TSTM WND DMG | 3 Nnw Dent, MN | NUMEROUD 8 TO 10 INCH DIAMTER POPLAR TREES WERE SNAPPED IN NORTHERN STAR LAKE AND WESTERN EDNA TOWNSHIPS. |
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, 6.0 hours before the alert went out and 260 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
- 1161 J/kg
- Mixed-layer CIN
- -23 J/kg
- Mixed-layer LCL
- 3172 m above ground
- 0-6 km bulk shear
- 45 kt
- 0-1 km storm-relative helicity
- 23 m²/s²
- 0-3 km storm-relative helicity
- 123 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 1.5
The text
As transmitted.
312
WUUS53 KFGF 060557
SVRFGF
MNC005-027-111-167-060645-
/O.NEW.KFGF.SV.W.0021.180606T0557Z-180606T0645Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Eastern ND/Grand Forks ND
1257 AM CDT WED JUN 6 2018
The National Weather Service in Grand Forks has issued a
* Severe Thunderstorm Warning for...
Southeastern Clay County in northwestern Minnesota...
Northwestern Otter Tail County in west central Minnesota...
Northeastern Wilkin County in west central Minnesota...
Southwestern Becker County in northwestern Minnesota...
* Until 145 AM CDT.
* At 1256 AM CDT, severe thunderstorms were located along a line
extending from near Averill to near Wolverton, moving east at 50
mph.
HAZARD...60 mph wind gusts and quarter size hail.
SOURCE...Radar indicated.
IMPACT...Hail damage to vehicles is expected. Expect wind damage
to roofs, siding, and trees.
* Locations impacted include...
Detroit Lakes, Barnesville, Pelican Rapids, Hawley, Frazee, Lake
Lida and Lake Park.
This includes Interstate 94 in Minnesota between mile markers 10 and
34.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
Torrential rainfall is occurring with these storms, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.
&&
LAT...LON 4662 9668 4696 9652 4689 9556 4642 9583
TIME...MOT...LOC 0556Z 280DEG 44KT 4695 9646 4655 9670
HAIL...1.00IN
WIND...60MPH
$$
CJ2 follow-up statements
189
WWUS53 KFGF 060629
SVSFGF
Severe Weather Statement
National Weather Service Eastern ND/Grand Forks ND
129 AM CDT WED JUN 6 2018
MNC167-060637-
/O.CAN.KFGF.SV.W.0021.000000T0000Z-180606T0645Z/
Wilkin MN-
129 AM CDT WED JUN 6 2018
...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN WILKIN COUNTY IS
CANCELLED...
The storms which prompted the warning have moved out of the warned
area. Therefore, the warning has been cancelled. Strong
thunderstorms still continue within the county.
A Severe Thunderstorm Watch remains in effect until 600 AM CDT for
northwestern and west central Minnesota.
LAT...LON 4660 9628 4663 9628 4663 9635 4665 9640
4691 9622 4689 9556 4642 9583
TIME...MOT...LOC 0627Z 280DEG 44KT 4689 9595 4649 9620
$$
MNC005-027-111-060645-
/O.CON.KFGF.SV.W.0021.000000T0000Z-180606T0645Z/
Clay MN-Otter Tail MN-Becker MN-
129 AM CDT WED JUN 6 2018
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 145 AM CDT
FOR SOUTHEASTERN CLAY...NORTHWESTERN OTTER TAIL AND SOUTHWESTERN
BECKER COUNTIES...
At 127 AM CDT, severe thunderstorms were located along a line
extending from near Westbury to near Rothsay, moving east at 50 mph.
HAZARD...60 mph wind gusts and quarter size hail.
SOURCE...Radar indicated.
IMPACT...Hail damage to vehicles is expected. Expect wind damage to
roofs, siding, and trees.
Locations impacted include...
Detroit Lakes, Pelican Rapids, Frazee, Lake Lida, Lake Park, Star
Lake and Big McDonald Lake.
This includes Interstate 94 in Minnesota between mile markers 25 and
26.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
Torrential rainfall is occurring with these storms, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.
&&
LAT...LON 4660 9628 4663 9628 4663 9635 4665 9640
4691 9622 4689 9556 4642 9583
TIME...MOT...LOC 0627Z 280DEG 44KT 4689 9595 4649 9620
HAIL...1.00IN
WIND...60MPH
$$
CJ777
WWUS53 KFGF 060640
SVSFGF
Severe Weather Statement
National Weather Service Eastern ND/Grand Forks ND
140 AM CDT WED JUN 6 2018
MNC005-027-111-060649-
/O.EXP.KFGF.SV.W.0021.000000T0000Z-180606T0645Z/
Clay MN-Otter Tail MN-Becker MN-
140 AM CDT WED JUN 6 2018
...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN CLAY...
NORTHWESTERN OTTER TAIL AND SOUTHWESTERN BECKER COUNTIES WILL EXPIRE
AT 145 AM CDT...
The storms which prompted the warning have moved out of the area.
Therefore, the warning will be allowed to expire. However heavy rain
is still possible with these thunderstorms.
A Severe Thunderstorm Watch remains in effect until 600 AM CDT for
northwestern and west central Minnesota.
Remember, a Severe Thunderstorm Warning still remains in effect for
southeastern Becker County and northeastern Otter Tail County.
LAT...LON 4660 9628 4663 9628 4663 9635 4665 9640
4691 9622 4689 9556 4642 9583
TIME...MOT...LOC 0639Z 280DEG 44KT 4687 9577 4647 9602
$$
CJThe office that day
Everything else NWS Grand Forks, ND issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 5, 11:56 PM CDT | Severe Thunderstorm Warning | FGF | Clay, Norman, Polk | 64 min |
| Jun 6, 12:21 AM CDT | Severe Thunderstorm Warning | FGF | Clay, Wilkin | 39 min |
| Jun 6, 1:05 AM CDT | Special Weather Statement | FGF | Wilkin | 40 min |
| Jun 6, 1:38 AM CDT | Severe Thunderstorm Warning | FGF | Becker, Otter Tail, Wadena | 52 min |
| Jun 6, 1:49 AM CDT | Severe Thunderstorm Warning | FGF | Grant, Otter Tail, Wilkin | 26 min |
| Jun 6, 2:10 AM CDT | Special Weather Statement | FGF | Wadena | 50 min |
| Jun 6, 2:13 AM CDT | Severe Thunderstorm Warning | FGF | Grant, Otter Tail | 32 min |
Nearby
Severe Thunderstorm Warnings in Minnesota, 2018Every severe thunderstorm warning in 2018
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.