Alert archive / Minnesota / Tornado Warnings in 2001
Tornado Warning 59, NWS Grand Forks, ND
NWS Grand Forks, ND issued this tornado warning at Jul 31, 2001, 6:15 PM CDT for Lake of the Woods County, Minnesota. It was in force for 30 min. 2 reports came from inside the area while it was in force.
The area
The outline the Iowa Environmental Mesonet reconstructed for it; the warning itself named whole counties, with what was reported inside it.
The facts
- Issued
- Jul 31, 2001, 6:15 PM CDT (23:15 UTC)
- Expired
- Jul 31, 2001, 6:45 PM CDT
- In force
- 30 min
- Issued by
- NWS Grand Forks, ND
- Area
- Whole counties; the outline is the Mesonet’s reconstruction
County Lake of the Woods County, MN
The radar
The Fargo/Grand Forks radar (KMVX), 237 km from the middle of the area, began a volume at 23:16 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 31, 6:30 PM CDT | Tornado F0 | Graceton, MN | A brief touchdown was reported. |
| Jul 31, 6:30 PM CDT | Hail 1 | Pitt, MN |
NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in.
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 31, 4:00 PM CDT | Tornado Watch | SPC | 6 hr |
The nearest sounding before it
International Fa, MN (KINL), launched 12:00Z, 11.3 hours before the alert went out and 100 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
- 2851 J/kg
- Mixed-layer CIN
- -13 J/kg
- Mixed-layer LCL
- 485 m above ground
- 0-6 km bulk shear
- 25 kt
- 0-1 km storm-relative helicity
- 22 m²/s²
- 0-3 km storm-relative helicity
- 179 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 7.8
The text
As transmitted, in the capitals the NWS used until 2016.
000 WFUS53 KFGF 312315 TORFAR MNC077-312345- BULLETIN - EAS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE EASTERN ND-GRAND FORKS 615 PM CDT TUE JUL 31 2001 THE NATIONAL WEATHER SERVICE IN GRAND FORKS HAS ISSUED A * TORNADO WARNING FOR... EASTERN LAKE OF THE WOODS COUNTY IN NORTH CENTRAL MINNESOTA. * UNTIL 645 PM CDT. * AT 611 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A TORNADO 6 MILES SOUTH OF PITT...OR ABOUT 47 MILES EAST OF ROSEAU... MOVEMENT WAS TO THE NORTHEAST AT 40 MPH. * THE TORNADO WILL BE NEAR... BAUDETTE AT 625 PM CDT AND CLEMENTSON AT 635 PM CDT. THIS IS A DANGEROUS STORM. IF YOU ARE IN THE PATH OF THIS TORNADO ABANDON CARS AND MOBILE HOMES FOR A STURDY BUILDING. A TORNADO WATCH REMAINS IN EFFECT UNTIL 1000 PM CDT TUESDAY EVENING FOR NORTHWESTERN MINNESOTA AND EASTERN NORTH DAKOTA. LAT...LON 4869 9491 4852 9480 4867 9424 4886 9437 $$ 7 NNNN
The office that day
Everything else NWS Grand Forks, ND issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 31, 4:11 AM CDT | Severe Thunderstorm Warning | FGF | Norman, Polk | 34 min |
| Jul 31, 4:11 AM CDT | Severe Thunderstorm Warning | FGF | Pennington, Red Lake | 34 min |
| Jul 31, 4:11 AM CDT | Severe Thunderstorm Warning | FGF | Marshall | 34 min |
| Jul 31, 4:47 AM CDT | Severe Thunderstorm Warning | FGF | Pennington, Polk, Red Lake | 28 min |
| Jul 31, 4:47 AM CDT | Severe Thunderstorm Warning | FGF | Beltrami, Kittson, Marshall, Roseau | 28 min |
| Jul 31, 4:47 AM CDT | Severe Thunderstorm Warning | FGF | Clearwater | 28 min |
| Jul 31, 5:37 AM CDT | Severe Thunderstorm Warning | FGF | Beltrami, Lake of the Woods | 38 min |
| Jul 31, 11:21 AM CDT | Severe Thunderstorm Warning | FGF | Polk | 39 min |
| Jul 31, 11:57 AM CDT | Severe Thunderstorm Warning | FGF | Pennington, Polk, Red Lake | 48 min |
| Jul 31, 12:11 PM CDT | Severe Thunderstorm Warning | FGF | Marshall | 64 min |
| Jul 31, 12:43 PM CDT | Severe Thunderstorm Warning | FGF | Pennington | 32 min |
| Jul 31, 12:46 PM CDT | Severe Thunderstorm Warning | FGF | Beltrami, Lake of the Woods | 59 min |
| Jul 31, 1:20 PM CDT | Severe Thunderstorm Warning | FGF | Pennington, Polk | 25 min |
| Jul 31, 1:35 PM CDT | Severe Thunderstorm Warning | FGF | Marshall | 40 min |
| Jul 31, 1:44 PM CDT | Severe Thunderstorm Warning | FGF | Lake of the Woods | 31 min |
| Jul 31, 2:15 PM CDT | Severe Thunderstorm Warning | FGF | Beltrami, Marshall | 30 min |
| Jul 31, 4:35 PM CDT | Flash Flood Warning | FGF | Marshall | 6 hr |
| Jul 31, 4:39 PM CDT | Flash Flood Warning | FGF | Polk | 4 hr |
| Jul 31, 4:54 PM CDT | Severe Thunderstorm Warning | FGF | Polk | 51 min |
| Jul 31, 5:16 PM CDT | Severe Thunderstorm Warning | FGF | Lake of the Woods, Roseau | 44 min |
| Jul 31, 5:39 PM CDT | Tornado Warning | FGF | Beltrami, Lake of the Woods | 36 min |
| Jul 31, 6:05 PM CDT | Flash Flood Warning | FGF | Beltrami, Lake of the Woods, Marshall, Roseau | 6 hr |
| Jul 31, 6:13 PM CDT | Severe Thunderstorm Warning | FGF | Clay | 32 min |
| Jul 31, 6:23 PM CDT | Flash Flood Warning | FGF | Pennington, Polk, Red Lake | 6 hr |
| Jul 31, 6:24 PM CDT | Severe Thunderstorm Warning | FGF | Norman | 36 min |
| Jul 31, 6:54 PM CDT | Severe Thunderstorm Warning | FGF | Polk, Red Lake | 36 min |
| Jul 31, 6:58 PM CDT | Severe Thunderstorm Warning | FGF | Norman | 32 min |
Nearby
Tornado Warnings in Minnesota, 2001Every tornado warning in 2001Tornadoes in 2001
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.