Alert archive / Minnesota / Tornado Warnings in 2020
Tornado Warning 41, NWS Grand Forks, ND
NWS Grand Forks, ND issued this tornado warning at Aug 14, 2020, 3:38 PM CDT for Grant County, Minnesota. It was in force for 37 min. 9 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
- Aug 14, 2020, 3:38 PM CDT (20:38 UTC)
- Expired
- Aug 14, 2020, 4:15 PM CDT
- In force
- 37 min
- Issued by
- NWS Grand Forks, ND
- Area
- Storm-based polygon
- Tornado
- Observed
- Hail
- 1.0 in
County Grant County, MN
The radar
The Aberdeen radar (KABR), 200 km from the middle of the area, began a volume at 20:38 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 |
|---|---|---|---|
| Aug 14, 3:38 PM CDT | TORNADO | 6 W Elbow Lake, MN | THREE TORNADOES QUICKLY FORMED IN A LINE FROM 3 S WENDELL TO 7 W BARRETT TO 3 NE HERMAN. ALL TRACKING EAST. |
| Aug 14, 3:39 PM CDT | TORNADO 0 | 7 E Charlesville, MN | THE THIRD OF 5 TORNADOES IN GRANT COUNTY, THIS TORNADO TRACKED TO THE ENE FOR ROUGHLY A MILE OVER MAINLY OPENED FIELD AND PASTURE LAND AND LIKELY LIFTED BY 342 PM CDT. A SLIGHT MARKING WAS NOTED IN A FIELD VIA VIDEO AND A STORM DAMAGE SURVEY TEAM. PEAK WINDS E |
| Aug 14, 3:42 PM CDT | TORNADO 2 | 9 W Barrett, MN | THE FOURTH OF FIVE TORNADOES IN GRANT COUNTY, IT TRACKED TO THE ENE FOR NEARLY 14 MILES, LIFTING ABOUT 6 ENE OF ELBOW LAKE BY 408 PM CDT. IT CROSSED US HWY 59 ABOUT 2 MILES SOUTH OF ELBOW LAKE, THE SOUTH END OF POMME DE TERRE LAKE, AND THE TIPSINAH MOUNDS GOLF |
| Aug 14, 3:50 PM CDT | FUNNEL CLOUD | 1 Nw Elbow Lake, MN | NORTHERN TORNADO HAS LIFTED FROM THE GROUND, BUT STILL HAD FUNNEL ABOUT HALF WAY DOWN. |
| Aug 14, 3:50 PM CDT | FUNNEL CLOUD | 4 W Elbow Lake, MN | SECOND TORNADO HAS LIFTED FROM THE GROUND, BUT STILL HAD FUNNEL ABOUT HALF WAY DOWN. |
| Aug 14, 3:50 PM CDT | TORNADO 1 | 3 Wnw Hoffman, MN | THE FIFTH AND SOUTHERNMOST OF 5 TORNADOES IN GRANT COUNTY, THIS HAD A PERSISTENT WALL CLOUD FOR SEVERAL MINUTES PRIOR TO TORNADO DEVELOPMENT. THE TORNADO QUICKLY BECAME WRAPPPED IN HEAVY RAIN AS IT TRACKED ENE FOR ROUGHLY 2 MILES TO AROUND 2 NNW OF HOFFMAN BY |
| Aug 14, 3:53 PM CDT | TORNADO | 3 Sse Elbow Lake, MN | MIDDLE OF THREE TORNADOES, PASSING BETWEEN ELBOW LAKE AND BARRETT. |
| Aug 14, 4:02 PM CDT | TSTM WND DMG | 5 E Elbow Lake, MN | TREES BLOWN DOWN AND ROOFING TORN OFF OF THE CLUB HOUSE AT A GOLF COURSE. POSSIBLE TORNADO. |
| Aug 14, 4:05 PM CDT | TSTM WND DMG | 5 E Elbow Lake, MN | TREES BLOWN DOWN AND ROOFING TORN OFF OF THE CLUB HOUSE AT A GOLF COURSE. POSSIBLE TORNADO. |
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 |
|---|---|---|---|
| Aug 14, 2:36 PM CDT | Tornado Watch | SPC | 5 hr |
The nearest sounding before it
Minneapolis, MN (KMPX), launched 12:00Z, 8.6 hours before the alert went out and 218 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
- 996 J/kg
- Mixed-layer CIN
- -82 J/kg
- Mixed-layer LCL
- 950 m above ground
- 0-6 km bulk shear
- 14 kt
- 0-1 km storm-relative helicity
- 38 m²/s²
- 0-3 km storm-relative helicity
- 34 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
075
WFUS53 KFGF 142038
TORFGF
MNC051-142115-
/O.NEW.KFGF.TO.W.0041.200814T2038Z-200814T2115Z/
BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Grand Forks ND
338 PM CDT Fri Aug 14 2020
The National Weather Service in Grand Forks has issued a
* Tornado Warning for...
Central Grant County in west central Minnesota...
* Until 415 PM CDT.
* At 338 PM CDT, a confirmed tornado was located near Elbow Lake, or
26 miles south of Fergus Falls, moving east at 30 mph.
HAZARD...Damaging tornado and quarter size hail.
SOURCE...Weather spotters confirmed several tornadoes.
IMPACT...Flying debris will be dangerous to those caught without
shelter. Mobile homes will be damaged or destroyed.
Damage to roofs, windows, and vehicles will occur. Tree
damage is likely.
* The tornado will be near...
Elbow Lake around 345 PM CDT.
Barrett around 355 PM CDT.
Erdahl and Hoffman around 400 PM CDT.
This includes Interstate 94 in Minnesota between mile markers 78 and
80.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
To repeat, a tornado is on the ground. TAKE COVER NOW! Move to a
basement or an interior room on the lowest floor of a sturdy
building. Avoid windows. If you are outdoors, in a mobile home, or in
a vehicle, move to the closest substantial shelter and protect
yourself from flying debris.
&&
LAT...LON 4600 9618 4604 9577 4593 9577 4593 9576
4583 9576 4580 9611
TIME...MOT...LOC 2038Z 258DEG 25KT 4591 9603
TORNADO...OBSERVED
HAIL...1.00IN
$$
DJR3 follow-up statements
816
WWUS53 KFGF 142048
SVSFGF
Severe Weather Statement
National Weather Service Grand Forks ND
348 PM CDT Fri Aug 14 2020
MNC051-142115-
/O.CON.KFGF.TO.W.0041.000000T0000Z-200814T2115Z/
Grant MN-
348 PM CDT Fri Aug 14 2020
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 415 PM CDT FOR
SOUTHEASTERN GRANT COUNTY...
At 348 PM CDT, a severe thunderstorm capable of producing a tornado
was located over Barrett, or 25 miles south of Fergus Falls, moving
east at 30 mph.
HAZARD...TORNADO and quarter size hail.
SOURCE...Radar indicated rotation.
IMPACT...Expect damage to mobile homes, roofs, and vehicles.
This dangerous storm will be near...
Barrett around 350 PM CDT.
Erdahl and Hoffman around 400 PM CDT.
This includes Interstate 94 in Minnesota between mile markers 78 and
80.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.
&&
LAT...LON 4604 9577 4593 9577 4593 9576 4583 9576
4581 9605 4601 9610
TIME...MOT...LOC 2048Z 258DEG 25KT 4593 9593
TORNADO...RADAR INDICATED
HAIL...1.00IN
$$
DJR818
WWUS53 KFGF 142104
SVSFGF
Severe Weather Statement
National Weather Service Grand Forks ND
404 PM CDT Fri Aug 14 2020
MNC051-142115-
/O.CON.KFGF.TO.W.0041.000000T0000Z-200814T2115Z/
Grant MN-
404 PM CDT Fri Aug 14 2020
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 415 PM CDT FOR
SOUTHEASTERN GRANT COUNTY...
At 404 PM CDT, a severe thunderstorm capable of producing a tornado
was located near Erdahl, or 26 miles southeast of Fergus Falls,
moving east at 30 mph.
HAZARD...TORNADO and quarter size hail.
SOURCE...Radar indicated rotation.
IMPACT...Expect damage to mobile homes, roofs, and vehicles.
This tornadic thunderstorm will remain over mainly rural areas of
southeastern Grant County.
This includes Interstate 94 in Minnesota between mile markers 78 and
80.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.
&&
LAT...LON 4583 9576 4582 9593 4602 9595 4604 9577
4593 9577 4593 9576
TIME...MOT...LOC 2104Z 258DEG 24KT 4595 9578
TORNADO...RADAR INDICATED
HAIL...1.00IN
$$
DJR829
WWUS53 KFGF 142115 RRA
SVSFGF
Severe Weather Statement
National Weather Service Grand Forks ND
415 PM CDT Fri Aug 14 2020
MNC051-142125-
/O.EXP.KFGF.TO.W.0041.000000T0000Z-200814T2115Z/
Grant MN-
415 PM CDT Fri Aug 14 2020
...THE TORNADO WARNING FOR SOUTHEASTERN GRANT COUNTY HAS EXPIRED...
The storm which prompted the warning has moved out of the area.
Therefore, the warning has been allowed to expire.
A Tornado Watch remains in effect until 800 PM CDT for west central
Minnesota.
LAT...LON 4583 9576 4582 9593 4602 9595 4604 9577
4593 9577 4593 9576
TIME...MOT...LOC 2115Z 258DEG 25KT 4596 9569
$$
DJRThe office that day
Everything else NWS Grand Forks, ND issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 13, 7:15 PM CDT | Severe Thunderstorm Warning | FGF | Beltrami, Clearwater, Marshall, Pennington, Polk, Red Lake | 60 min |
| Aug 13, 7:42 PM CDT | Severe Thunderstorm Warning | FGF | Pennington | 33 min |
| Aug 13, 7:46 PM CDT | Tornado Warning | FGF | Pennington | 44 min |
| Aug 13, 7:53 PM CDT | Severe Thunderstorm Warning | FGF | Becker, Mahnomen, Norman, Polk | 67 min |
| Aug 13, 8:11 PM CDT | Severe Thunderstorm Warning | FGF | Beltrami, Marshall, Pennington, Red Lake | 37 min |
| Aug 13, 8:14 PM CDT | Severe Thunderstorm Warning | FGF | Polk, Red Lake | 61 min |
| Aug 13, 8:24 PM CDT | Severe Thunderstorm Warning | FGF | Polk | 28 min |
| Aug 13, 8:36 PM CDT | Tornado Warning | FGF | Norman, Polk | 39 min |
| Aug 13, 8:59 PM CDT | Severe Thunderstorm Warning | FGF | Beltrami, Marshall, Pennington, Red Lake | 61 min |
| Aug 13, 9:15 PM CDT | Severe Thunderstorm Warning | FGF | Mahnomen, Norman, Polk | 60 min |
| Aug 13, 9:42 PM CDT | Severe Thunderstorm Warning | FGF | Clearwater, Mahnomen, Polk | 63 min |
| Aug 13, 9:54 PM CDT | Special Weather Statement | FGF | Beltrami | 21 min |
| Aug 13, 10:11 PM CDT | Flash Flood Warning | FGF | Pennington, Red Lake | 9 hr |
| Aug 13, 10:11 PM CDT | Severe Thunderstorm Warning | FGF | Beltrami, Clearwater, Lake of the Woods | 64 min |
| Aug 13, 10:12 PM CDT | Flash Flood Warning | FGF | Mahnomen, Norman, Polk | 9 hr |
| Aug 13, 10:13 PM CDT | Severe Thunderstorm Warning | FGF | Mahnomen, Norman, Polk | 62 min |
| Aug 13, 10:33 PM CDT | Severe Thunderstorm Warning | FGF | Wilkin | 57 min |
| Aug 13, 10:42 PM CDT | Severe Thunderstorm Warning | FGF | Clearwater, Mahnomen, Polk | 63 min |
| Aug 13, 11:10 PM CDT | Severe Thunderstorm Warning | FGF | Beltrami | 65 min |
| Aug 13, 11:22 PM CDT | Special Weather Statement | FGF | Norman | 68 min |
| Aug 13, 11:28 PM CDT | Special Weather Statement | FGF | Wilkin | 62 min |
| Aug 13, 11:33 PM CDT | Severe Thunderstorm Warning | FGF | Becker, Beltrami, Clearwater, Hubbard, Mahnomen | 57 min |
| Aug 13, 11:41 PM CDT | Severe Thunderstorm Warning | FGF | Becker, Otter Tail, Wilkin | 64 min |
| Aug 14, 12:15 AM CDT | Special Weather Statement | FGF | Beltrami | 60 min |
| Aug 14, 12:29 AM CDT | Severe Thunderstorm Warning | FGF | Becker, Clearwater, Grant, Hubbard, Otter Tail, Wadena | 61 min |
| Aug 14, 12:41 AM CDT | Flash Flood Warning | FGF | Beltrami, Clearwater | 8 hr |
| Aug 14, 12:51 AM CDT | Areal Flood Advisory | FGF | Clearwater, Mahnomen, Norman, Polk | 8 hr |
| Aug 14, 1:01 AM CDT | Flash Flood Warning | FGF | Otter Tail | 14 hr |
| Aug 14, 1:08 AM CDT | Areal Flood Advisory | FGF | Otter Tail, Wilkin | 2 hr |
| Aug 14, 1:23 AM CDT | Special Weather Statement | FGF | Douglas | 67 min |
| Aug 14, 1:34 AM CDT | Areal Flood Advisory | FGF | Beltrami, Hubbard | 7 hr |
| Aug 14, 1:46 AM CDT | Special Weather Statement | FGF | Otter Tail, Wilkin | 59 min |
| Aug 14, 2:03 AM CDT | Severe Thunderstorm Warning | FGF | Becker, Clay, Otter Tail, Wilkin | 57 min |
| Aug 14, 2:53 AM CDT | Special Weather Statement | FGF | Otter Tail | 67 min |
| Aug 14, 3:11 AM CDT | Flash Flood Warning | FGF | Otter Tail, Wilkin | 12 hr |
| Aug 14, 3:18 AM CDT | Severe Thunderstorm Warning | FGF | Otter Tail, Wilkin | 31 min |
| Aug 14, 4:02 AM CDT | Dense Fog Advisory | FGF | Kittson, Marshall, Polk | 5 hr |
| Aug 14, 4:04 AM CDT | Severe Thunderstorm Warning | FGF | Otter Tail, Wilkin | 56 min |
| Aug 14, 4:15 AM CDT | Special Weather Statement | FGF | Otter Tail | 60 min |
| Aug 14, 4:23 AM CDT | Flash Flood Warning | FGF | Grant, Otter Tail | 6 hr |
| Aug 14, 4:44 AM CDT | Special Weather Statement | FGF | Wilkin | 46 min |
| Aug 14, 4:56 AM CDT | Flash Flood Watch | FGF | Becker, Beltrami, Clay, Clearwater, Hubbard, Mahnomen and 8 more | 13 hr |
| Aug 14, 5:01 AM CDT | Special Weather Statement | FGF | Wilkin | 29 min |
| Aug 14, 5:10 AM CDT | Flash Flood Warning | FGF | Otter Tail | 6 hr |
| Aug 14, 5:26 AM CDT | Special Weather Statement | FGF | Grant | 19 min |
| Aug 14, 5:30 AM CDT | Special Weather Statement | FGF | Otter Tail | 30 min |
| Aug 14, 5:52 AM CDT | Areal Flood Advisory | FGF | Clay, Otter Tail, Wilkin | 6 hr |
| Aug 14, 5:58 AM CDT | Severe Thunderstorm Warning | FGF | Clay | 62 min |
| Aug 14, 6:16 AM CDT | Special Weather Statement | FGF | Otter Tail, Wadena | 59 min |
| Aug 14, 6:40 AM CDT | Severe Thunderstorm Warning | FGF | Clay, Norman | 65 min |
| Aug 14, 9:15 AM CDT | Severe Thunderstorm Warning | FGF | Norman, Polk, Red Lake | 18 min |
| Aug 14, 9:32 AM CDT | Special Weather Statement | FGF | Polk | 43 min |
| Aug 14, 9:38 AM CDT | Severe Thunderstorm Warning | FGF | Clay, Norman, Wilkin | 52 min |
| Aug 14, 10:14 AM CDT | Severe Thunderstorm Warning | FGF | Becker, Clay, Clearwater, Mahnomen, Norman, Otter Tail | 46 min |
| Aug 14, 10:35 AM CDT | River Flood Warning | FGF | Norman | 5 days |
| Aug 14, 10:35 AM CDT | River Flood Warning | FGF | Norman | 8 days |
| Aug 14, 10:35 AM CDT | River Flood Warning | FGF | Norman | 35 hr |
| Aug 14, 10:55 AM CDT | Severe Thunderstorm Warning | FGF | Becker, Beltrami, Clearwater, Hubbard, Mahnomen | 33 min |
| Aug 14, 11:02 AM CDT | Areal Flood Warning | FGF | Otter Tail | 4 hr |
| Aug 14, 11:31 AM CDT | Special Weather Statement | FGF | Becker | 29 min |
| Aug 14, 11:35 AM CDT | Areal Flood Advisory | FGF | Becker, Clay | 6 hr |
| Aug 14, 12:31 PM CDT | Special Weather Statement | FGF | Wadena | 59 min |
| Aug 14, 1:29 PM CDT | River Flood Warning | FGF | Clay | 4 days |
| Aug 14, 1:29 PM CDT | River Flood Warning | FGF | Clay | 21 days |
| Aug 14, 1:29 PM CDT | River Flood Warning | FGF | Clay | 5 days |
| Aug 14, 1:35 PM CDT | Areal Flood Advisory | FGF | Norman | 6 hr |
| Aug 14, 1:42 PM CDT | Special Weather Statement | FGF | Wadena | 33 min |
| Aug 14, 2:48 PM CDT | Areal Flood Warning | FGF | Otter Tail | 6 hr |
| Aug 14, 2:48 PM CDT | Areal Flood Warning | FGF | Otter Tail, Wilkin | 6 hr |
| Aug 14, 3:29 PM CDT | Flash Flood Warning | FGF | Mahnomen, Norman, Polk | 5 hr |
| Aug 14, 3:31 PM CDT | Severe Thunderstorm Warning | FGF | Grant, Otter Tail | 44 min |
Nearby
Tornado Warnings in Minnesota, 2020Every tornado warning in 2020Tornadoes in 2020
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.