Alert archive / Minnesota / Tornado Warnings in 2008
Tornado Warning 45, NWS Grand Forks, ND
NWS Grand Forks, ND issued this tornado warning at Jul 11, 2008, 4:40 PM CDT for Otter Tail County, Wadena County, Minnesota. It was in force for 41 min. 2 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
- Jul 11, 2008, 4:40 PM CDT (21:40 UTC)
- Expired
- Jul 11, 2008, 5:21 PM CDT
- In force
- 41 min
- Issued by
- NWS Grand Forks, ND
- Area
- Storm-based polygon
Counties Otter Tail County, MN, Wadena County, MN
The radar
The Fargo/Grand Forks radar (KMVX), 208 km from the middle of the area, began a volume at 21:40 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 11, 4:43 PM CDT | TORNADO | 10 Ssw Wadena, MN | |
| Jul 11, 4:50 PM CDT | HAIL 0.75 | 7 E Henning, MN |
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 |
|---|---|---|---|
| Jul 11, 2:26 PM CDT | Tornado Watch | SPC | 6 hr |
The nearest sounding before it
Minneapolis, MN (KMPX), launched 12:00Z, 9.7 hours before the alert went out and 210 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
- 890 J/kg
- Mixed-layer CIN
- -362 J/kg
- Mixed-layer LCL
- 1222 m above ground
- 0-6 km bulk shear
- 36 kt
- 0-1 km storm-relative helicity
- 129 m²/s²
- 0-3 km storm-relative helicity
- 393 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 1.6
The text
As transmitted, in the capitals the NWS used until 2016.
000
WFUS53 KFGF 112140 RRA
TORFGF
MNC111-159-112245-
/O.NEW.KFGF.TO.W.0045.080711T2140Z-080711T2245Z/
BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS ND
440 PM CDT FRI JUL 11 2008
THE NATIONAL WEATHER SERVICE IN GRAND FORKS HAS ISSUED A
* TORNADO WARNING FOR...
SOUTHWESTERN WADENA COUNTY IN CENTRAL MINNESOTA...
EAST CENTRAL OTTER TAIL COUNTY IN WEST CENTRAL MINNESOTA...
* UNTIL 545 PM CDT
* AT 435 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO NEAR DEER
CREEK...OR 36 MILES EAST OF FERGUS FALLS...MOVING TO THE NORTHEAST
AT 38 MPH.
* THE TORNADO WILL BE NEAR...
BLUFFTON AT 445 PM CDT...
WADENA AT 450 PM CDT...
6 MILES NORTHWEST OF VERNDALE AT 455 PM CDT...
9 MILES NORTHWEST OF ALDRICH AT 500 PM CDT...
IF YOU ARE IN THE PATH OF A TORNADO THE SAFEST PLACE IS A BASEMENT.
GET UNDER A STAIRWAY OR A PIECE OF STURDY FURNITURE.
A TORNADO WATCH REMAINS IN EFFECT UNTIL 1000 PM CDT FRIDAY EVENING
FOR NORTHWESTERN MINNESOTA AND EASTERN NORTH DAKOTA.
LAT...LON 4661 9500 4637 9490 4637 9517 4624 9516
4621 9532 4642 9539
TIME...MOT...LOC 2140Z 241DEG 33KT 4639 9527
$$
GUST/PR3 follow-up statements
000
WWUS53 KFGF 112203
SVSFGF
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS ND
503 PM CDT FRI JUL 11 2008
MNC111-159-112245-
/O.CON.KFGF.TO.W.0045.000000T0000Z-080711T2245Z/
WADENA MN-OTTER TAIL MN-
502 PM CDT FRI JUL 11 2008
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 545 PM CDT FOR EAST
CENTRAL OTTER TAIL AND SOUTHWESTERN WADENA COUNTIES...
AT 458 PM CDT...WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE
THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THE TORNADO WAS LOCATED
NEAR VERNDALE...OR 47 MILES SOUTHEAST OF DETROIT LAKES...MOVING TO
THE NORTHEAST AT 37 MPH.
* THE TORNADO WILL BE ABOUT...
8 MILES SOUTHEAST OF BLUE GRASS BY 505 PM CDT...
IF YOU ARE IN THE PATH OF A TORNADO THE SAFEST PLACE IS A BASEMENT.
GET UNDER A STAIRWAY OR A PIECE OF STURDY FURNITURE.
A TORNADO WATCH REMAINS IN EFFECT UNTIL 1000 PM CDT FRIDAY EVENING
FOR NORTHWESTERN MINNESOTA AND EASTERN NORTH DAKOTA.
LAT...LON 4661 9500 4637 9490 4637 9517 4624 9516
4621 9532 4642 9539
TIME...MOT...LOC 2202Z 243DEG 32KT 4642 9500
$$
GUST/PR000 WWUS53 KFGF 112211 RRA SVSFGF SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS ND 511 PM CDT FRI JUL 11 2008 MNC111-112221- /O.CAN.KFGF.TO.W.0045.000000T0000Z-080711T2245Z/ OTTER TAIL MN- 511 PM CDT FRI JUL 11 2008 ...THE TORNADO WARNING FOR EAST CENTRAL OTTER TAIL COUNTY IS CANCELLED... AT 511 PM CDT...TORNADO MOVED OUT OF THE WARNED AREA IN EAST CENTRAL OTTER TAIL COUNTY. SO THE WARNING HAS BEEN CANCELLED. A TORNADO WATCH REMAINS IN EFFECT UNTIL 1000 PM CDT FRIDAY EVENING FOR NORTHWESTERN MINNESOTA AND EASTERN NORTH DAKOTA. LAT...LON 4637 9490 4637 9510 4649 9509 4661 9500 TIME...MOT...LOC 2211Z 243DEG 30KT 4644 9493 $$ MNC159-112245- /O.CON.KFGF.TO.W.0045.000000T0000Z-080711T2245Z/ WADENA MN- 511 PM CDT FRI JUL 11 2008 ...A TORNADO WARNING REMAINS IN EFFECT UNTIL 545 PM CDT FOR SOUTH CENTRAL WADENA COUNTY... AT 507 PM CDT...WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THE TORNADO WAS LOCATED 2 MILES NORTHEAST OF VERNDALE...OR 49 MILES SOUTHEAST OF DETROIT LAKES...MOVING TO THE NORTHEAST AT 35 MPH. IF YOU ARE IN THE PATH OF A TORNADO THE SAFEST PLACE IS A BASEMENT. GET UNDER A STAIRWAY OR A PIECE OF STURDY FURNITURE. A TORNADO WATCH REMAINS IN EFFECT UNTIL 1000 PM CDT FRIDAY EVENING FOR NORTHWESTERN MINNESOTA AND EASTERN NORTH DAKOTA. LAT...LON 4637 9490 4637 9510 4649 9509 4661 9500 TIME...MOT...LOC 2211Z 243DEG 30KT 4644 9493 $$ GUST/PR
000 WWUS53 KFGF 112221 SVSFGF SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS ND 521 PM CDT FRI JUL 11 2008 MNC159-112231- /O.CAN.KFGF.TO.W.0045.000000T0000Z-080711T2245Z/ WADENA MN- 521 PM CDT FRI JUL 11 2008 ...THE TORNADO WARNING FOR SOUTH CENTRAL WADENA COUNTY IS CANCELLED... AT 517 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A THUNDERSTORM LOCATED 6 MILES NORTHWEST OF STAPLES AIRPORT...OR 52 MILES SOUTHEAST OF DETROIT LAKES...MOVING TO THE NORTHEAST AT 34 MPH. THE THUNDERSTORM HAS WEAKENED AND WAS NO LONGER CONSIDERED SEVERE. SO THE WARNING HAS BEEN CANCELLED. A TORNADO WATCH REMAINS IN EFFECT UNTIL 1000 PM CDT FRIDAY EVENING FOR NORTHWESTERN MINNESOTA AND EASTERN NORTH DAKOTA. LAT...LON 4637 9490 4637 9510 4649 9509 4661 9500 TIME...MOT...LOC 2221Z 243DEG 30KT 4648 9482 $$ GUST/PR
The office that day
Everything else NWS Grand Forks, ND issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 10, 10:23 PM CDT | Severe Thunderstorm Warning | FGF | Otter Tail, Wilkin | 67 min |
| Jul 10, 11:18 PM CDT | Severe Thunderstorm Warning | FGF | Grant, Otter Tail | 57 min |
| Jul 11, 5:01 AM CDT | Severe Thunderstorm Warning | FGF | Beltrami, Lake of the Woods, Roseau | 59 min |
| Jul 11, 6:40 AM CDT | Severe Thunderstorm Warning | FGF | Lake of the Woods, Roseau | 63 min |
| Jul 11, 8:37 AM CDT | Severe Thunderstorm Warning | FGF | Lake of the Woods | 38 min |
| Jul 11, 9:10 AM CDT | Severe Thunderstorm Warning | FGF | Marshall, Pennington, Polk | 65 min |
| Jul 11, 2:50 PM CDT | Severe Thunderstorm Warning | FGF | Mahnomen, Norman | 55 min |
| Jul 11, 3:08 PM CDT | Severe Thunderstorm Warning | FGF | Mahnomen, Norman, Polk | 67 min |
| Jul 11, 3:22 PM CDT | Severe Thunderstorm Warning | FGF | Kittson, Marshall, Roseau | 53 min |
| Jul 11, 3:31 PM CDT | Severe Thunderstorm Warning | FGF | Becker, Otter Tail | 59 min |
| Jul 11, 3:34 PM CDT | Tornado Warning | FGF | Clearwater, Mahnomen | 41 min |
| Jul 11, 3:37 PM CDT | Tornado Warning | FGF | Clearwater, Polk | 38 min |
| Jul 11, 3:41 PM CDT | Tornado Warning | FGF | Marshall, Roseau | 64 min |
| Jul 11, 3:45 PM CDT | Tornado Warning | FGF | Beltrami, Clearwater, Marshall, Pennington, Polk, Red Lake | 60 min |
| Jul 11, 3:46 PM CDT | Tornado Warning | FGF | Becker, Otter Tail | 59 min |
| Jul 11, 4:13 PM CDT | Tornado Warning | FGF | Becker | 40 min |
| Jul 11, 4:14 PM CDT | Tornado Warning | FGF | Clearwater, Mahnomen, Polk | 61 min |
| Jul 11, 4:16 PM CDT | Tornado Warning | FGF | Beltrami, Lake of the Woods, Marshall, Roseau | 59 min |
| Jul 11, 4:23 PM CDT | Tornado Warning | FGF | Otter Tail | 52 min |
| Jul 11, 4:40 PM CDT | Tornado Warning | FGF | Clearwater, Polk | 44 min |
| Jul 11, 4:44 PM CDT | Tornado Warning | FGF | Lake of the Woods, Roseau | 61 min |
| Jul 11, 5:00 PM CDT | Severe Thunderstorm Warning | FGF | Hubbard, Wadena | 30 min |
| Jul 11, 5:03 PM CDT | Severe Thunderstorm Warning | FGF | Beltrami, Clearwater, Lake of the Woods, Marshall, Pennington | 57 min |
| Jul 11, 5:17 PM CDT | Severe Thunderstorm Warning | FGF | Becker, Hubbard, Otter Tail, Wadena | 31 min |
| Jul 11, 6:26 PM CDT | Tornado Warning | FGF | Lake of the Woods | 21 min |
Nearby
Tornado Warnings in Minnesota, 2008Every tornado warning in 2008Tornadoes in 2008
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.