Alert archive / Minnesota / Tornado Warnings in 2002
Tornado Warning 6, NWS Grand Forks, ND
NWS Grand Forks, ND issued this tornado warning at Jul 1, 2002, 12:24 PM CDT for Lake of the Woods County, Roseau County, Minnesota. It was in force for 51 min. 6 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 1, 2002, 12:24 PM CDT (17:24 UTC)
- Expired
- Jul 1, 2002, 1:15 PM CDT
- In force
- 51 min
- Issued by
- NWS Grand Forks, ND
- Area
- Counties, with a storm outline in the text
The radar
The Fargo/Grand Forks radar (KMVX), 219 km from the middle of the area, began a volume at 17:27 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 |
|---|---|---|---|
| Jul 1, 12:28 PM CDT | Hail 2.75 | Warroad, MN | |
| Jul 1, 12:33 PM CDT | Hail 1.75 | Warroad, MN | |
| Jul 1, 12:38 PM CDT | Hail 0.88 | Warroad, MN | |
| Jul 1, 12:45 PM CDT | Tornado F0 | Swift, MN | A tornado touchdown was reported by the Roseau sheriff's office. |
| Jul 1, 1:05 PM CDT | Hail 0.88 | Warroad, MN | |
| Jul 1, 1:15 PM CDT | Hail 1 | Lude, 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 nearest sounding before it
International Fa, MN (KINL), launched 12:00Z, 5.4 hours before the alert went out and 150 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 1830 m above ground
- 0-6 km bulk shear
- 45 kt
- 0-1 km storm-relative helicity
- 11 m²/s²
- 0-3 km storm-relative helicity
- 4 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
348 WFUS53 KFGF 011724 TORFAR MNC077-135-011815- BULLETIN - EAS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS 1224 PM CDT MON JUL 1 2002 THE NATIONAL WEATHER SERVICE IN GRAND FORKS HAS ISSUED A * TORNADO WARNING FOR... WEST CENTRAL LAKE OF THE WOODS COUNTY IN NORTH CENTRAL MINNESOTA AND NORTHEASTERN ROSEAU COUNTY IN NORTHWEST MINNESOTA. * UNTIL 115 PM CDT. * AT 1222 PM...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM WITH STRONG ROTATION 5 MILES SOUTHWEST OF WARROAD...OR ABOUT 18 MILES EAST OF ROSEAU...MOVEMENT WAS TO THE NORTHEAST AT 50 MPH. * THE TORNADO WILL BE NEAR... WARROAD AT 1225 PM... ARNESEN AT 1240 PM AND LONG POINT AT 1245 PM. THIS IS A DANGEROUS STORM. IF YOU ARE IN THE PATH OF THIS TORNADO ABANDON CARS AND MOBILE HOMES FOR A STURDY BUILDING. LAT...LON 4886 9554 4873 9535 4903 9481 4921 9508 30 NNNN
The office that day
Everything else NWS Grand Forks, ND issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 1, 10:37 AM CDT | Severe Thunderstorm Warning | FGF | Kittson | 38 min |
| Jul 1, 11:11 AM CDT | Severe Thunderstorm Warning | FGF | Beltrami | 34 min |
| Jul 1, 11:16 AM CDT | Severe Thunderstorm Warning | FGF | Kittson | 44 min |
| Jul 1, 12:10 PM CDT | Severe Thunderstorm Warning | FGF | Roseau | 50 min |
| Jul 1, 1:15 PM CDT | Severe Thunderstorm Warning | FGF | Lake of the Woods | 45 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.