Alert archive / Minnesota / Tornado Warnings in 2010
Tornado Warning 103, NWS Grand Forks, ND
NWS Grand Forks, ND issued this tornado warning at Aug 7, 2010, 6:27 PM CDT for Otter Tail County, Wilkin County, Minnesota. It was in force for 63 min. 3 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 7, 2010, 6:27 PM CDT (23:27 UTC)
- Expired
- Aug 7, 2010, 7:30 PM CDT
- In force
- 63 min
- Issued by
- NWS Grand Forks, ND
- Area
- Storm-based polygon
Counties Otter Tail County, MN, Wilkin County, MN
The radar
The Fargo/Grand Forks radar (KMVX), 167 km from the middle of the area, began a volume at 23:27 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 7, 6:38 PM CDT | FUNNEL CLOUD | 10 Sw Fergus Falls, MN | |
| Aug 7, 6:38 PM CDT | FUNNEL CLOUD | 9 Sw Fergus Falls, MN | |
| Aug 7, 6:58 PM CDT | TORNADO 1 | 6 Ssw Fergus Falls, MN | THE TORNADO TRACKED INTERMITTENTLY FOR ROUGHLY 4 MILES TO ABOUT 7 MILES SOUTH SOUTHEAST OF FERGUS FALLS BY 712 PM CDT. THE TORNADO TRACKED MAINLY OVER OPENED FIELDS BUT DID KNOCK DOWN SOME TREES IN SHELTER BELTS AND LEFT SWIRLS IN CROPS. THE TORNADO AND DEBRIS |
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 7, 5:27 PM CDT | Tornado Watch | SPC | 8 hr |
The nearest sounding before it
Aberdeen, SD (KABR), launched 12:00Z, 11.5 hours before the alert went out and 243 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
- 1979 J/kg
- Mixed-layer CIN
- -159 J/kg
- Mixed-layer LCL
- 799 m above ground
- 0-6 km bulk shear
- 33 kt
- 0-1 km storm-relative helicity
- 139 m²/s²
- 0-3 km storm-relative helicity
- 162 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 2.1
The text
As transmitted, in the capitals the NWS used until 2016.
959 WFUS53 KFGF 072327 TORFGF MNC111-167-080030- /O.NEW.KFGF.TO.W.0103.100807T2327Z-100808T0030Z/ BULLETIN - EAS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS ND 627 PM CDT SAT AUG 7 2010 THE NATIONAL WEATHER SERVICE IN GRAND FORKS HAS ISSUED A * TORNADO WARNING FOR... WESTERN OTTER TAIL COUNTY IN WEST CENTRAL MINNESOTA... SOUTHERN WILKIN COUNTY IN WEST CENTRAL MINNESOTA... * UNTIL 730 PM CDT * AT 622 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THE STORM WAS LOCATED 3 MILES EAST OF DORAN...OR 10 MILES SOUTHEAST OF WAHPETON...MOVING TO THE EAST AT 30 MPH. * THE TORNADIC STORM WILL BE NEAR... FOXHOME AROUND 635 PM CDT. CARLISLE AROUND 650 PM CDT. ELIZABETH AROUND 655 PM CDT. FERGUS FALLS AROUND 700 PM CDT. THEREAFTER SOME OTHER LOCATIONS IMPACTED BY THE TORNADIC STORM INCLUDE UNDERWOOD...PHELPS AND BATTLE LAKE. FOR MOTORISTS ON INTERSTATE 94...THE TORNADIC STORM WILL BE BETWEEN...MILE MARKER 51 AROUND 655 PM CDT...AND MILE MARKER 64 AROUND 710 PM CDT... PRECAUTIONARY/PREPAREDNESS ACTIONS... IF YOU ARE IN THE PATH OF THIS TORNADO ABANDON CARS AND MOBILE HOMES FOR A STURDY BUILDING. TAKE COVER NOW. MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A STURDY BUILDING. AVOID WINDOWS. IF YOU ARE IN A MOBILE HOME...A VEHICLE...OR OUTDOORS...MOVE TO THE CLOSEST SUBSTANTIAL SHELTER AND PROTECT YOURSELF FROM FLYING DEBRIS. && LAT...LON 4644 9571 4619 9569 4617 9650 4633 9650 TIME...MOT...LOC 2326Z 265DEG 25KT 4619 9639 $$ HOPKINS
1 follow-up statement
475 WWUS53 KFGF 072351 SVSFGF SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS ND 651 PM CDT SAT AUG 7 2010 MNC111-167-080030- /O.CON.KFGF.TO.W.0103.000000T0000Z-100808T0030Z/ WILKIN MN-OTTER TAIL MN- 651 PM CDT SAT AUG 7 2010 ...A TORNADO WARNING REMAINS IN EFFECT FOR WESTERN OTTER TAIL AND SOUTHERN WILKIN COUNTIES IN WEST CENTRAL MINNESOTA UNTIL 730 PM CDT... AT 645 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO 3 MILES NORTH OF WESTERN...OR 8 MILES SOUTHWEST OF FERGUS FALLS...MOVING TO THE EAST AT 30 MPH. THE TORNADIC STORM WILL BE NEAR... ELIZABETH AROUND 655 PM CDT. FERGUS FALLS AROUND 700 PM CDT. UNDERWOOD AROUND 720 PM CDT. PHELPS AROUND 725 PM CDT. THEREAFTER SOME OTHER LOCATIONS IMPACTED BY THE TORNADIC STORM INCLUDE BATTLE LAKE AND AMOR. FOR MOTORISTS ON INTERSTATE 94...THE TORNADIC STORM WILL BE BETWEEN...MILE MARKER 58 AROUND 700 PM CDT...AND MILE MARKER 64 AROUND 705 PM CDT... PRECAUTIONARY/PREPAREDNESS ACTIONS... IF YOU ARE IN THE PATH OF THIS TORNADO ABANDON CARS AND MOBILE HOMES FOR A STURDY BUILDING. TAKE COVER NOW. MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A STURDY BUILDING. AVOID WINDOWS. IF IN A MOBILE HOME...A VEHICLE OR OUTDOORS...MOVE TO THE CLOSEST SUBSTANTIAL SHELTER AND PROTECT YOURSELF FROM FLYING DEBRIS. && LAT...LON 4644 9571 4619 9569 4617 9650 4633 9650 TIME...MOT...LOC 2350Z 265DEG 25KT 4620 9615 $$ HOPKINS
The office that day
Everything else NWS Grand Forks, ND issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 7, 4:13 AM CDT | Flash Flood Watch | FGF | Becker, Grant, Hubbard, Otter Tail, Wadena | 20 hr |
| Aug 7, 6:03 PM CDT | Tornado Warning | FGF | Grant, Otter Tail, Wilkin | 57 min |
| Aug 7, 6:58 PM CDT | Tornado Warning | FGF | Grant, Otter Tail, Wilkin | 62 min |
Nearby
Tornado Warnings in Minnesota, 2010Every tornado warning in 2010Tornadoes in 2010
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.