Alert archive / Minnesota / Tornado Warnings in 2002
Tornado Warning 29, NWS Grand Forks, ND
NWS Grand Forks, ND issued this tornado warning at Aug 26, 2002, 7:58 PM CDT for Becker County, Minnesota. It was in force for 47 min. 1 report 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 26, 2002, 7:58 PM CDT (00:58 UTC)
- Expired
- Aug 26, 2002, 8:45 PM CDT
- In force
- 47 min
- Issued by
- NWS Grand Forks, ND
- Area
- Counties, with a storm outline in the text
County Becker County, MN
The radar
The Fargo/Grand Forks radar (KMVX), 127 km from the middle of the area, began a volume at 01:01 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 26, 8:15 PM CDT | Tornado F0 | Lake Park, MN | The tornado briefly touched down in an open field. |
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 nearest sounding before it
International Fa, MN (KINL), launched 00:00Z, 1.0 hours before the alert went out and 262 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
- 643 J/kg
- Mixed-layer CIN
- -70 J/kg
- Mixed-layer LCL
- 1520 m above ground
- 0-6 km bulk shear
- 22 kt
- 0-1 km storm-relative helicity
- 86 m²/s²
- 0-3 km storm-relative helicity
- 119 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 1.5
The text
As transmitted, in the capitals the NWS used until 2016.
708 WFUS53 KFGF 270058 TORFAR MNC005-270145- BULLETIN - EAS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS 758 PM CDT MON AUG 26 2002 THE NATIONAL WEATHER SERVICE IN GRAND FORKS HAS ISSUED A * TORNADO WARNING FOR... CENTRAL BECKER COUNTY IN NORTHWEST MINNESOTA. * UNTIL 845 PM CDT. * AT 756 PM...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM WITH STRONG ROTATION 5 MILES NORTHWEST OF LAKE PARK...OR ABOUT 18 MILES NORTHWEST OF DETROIT LAKES...MOVEMENT WAS TO THE EAST AT 30 MPH. * THE TORNADO WILL BE NEAR... LAKE PARK AT 800 PM... AUDUBON AT 810 PM... WESTBURY AT 815 PM AND RICHWOOD AT 825 PM. THIS IS A DANGEROUS STORM. IF YOU ARE IN THE PATH OF THIS TORNADO ABANDON CARS AND MOBILE HOMES FOR A STURDY BUILDING. A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 900 PM MONDAY EVENING FOR EASTERN NORTH DAKOTA. LAT...LON 4704 9614 4684 9616 4683 9543 4708 9544 8 NNNN
The office that day
Everything else NWS Grand Forks, ND issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 26, 7:14 PM CDT | Severe Thunderstorm Warning | FGF | Lake of the Woods | 46 min |
| Aug 26, 7:38 PM CDT | Tornado Warning | FGF | Clay | 52 min |
| Aug 26, 7:44 PM CDT | Severe Thunderstorm Warning | FGF | Becker | 46 min |
| Aug 26, 8:24 PM CDT | Severe Thunderstorm Warning | FGF | Otter Tail | 51 min |
| Aug 26, 11:18 PM CDT | Severe Thunderstorm Warning | FGF | Polk | 42 min |
Nearby
Tornado Warnings in Minnesota, 2002Every tornado warning in 2002Tornadoes in 2002
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.