Alert archive / Minnesota / Tornado Warnings in 2002
Tornado Warning 26, NWS Grand Forks, ND
NWS Grand Forks, ND issued this tornado warning at Aug 26, 2002, 4:30 PM CDT for Polk County, Red Lake County, Minnesota. It was in force for 45 min. 5 reports came from inside the area while it was in force.
The area
The counties it named, with what was reported inside it.
The facts
- Issued
- Aug 26, 2002, 4:30 PM CDT (21:30 UTC)
- Expired
- Aug 26, 2002, 5:15 PM CDT
- In force
- 45 min
- Issued by
- NWS Grand Forks, ND
- Area
- Counties, with a storm outline in the text
Counties Polk County, MN, Red Lake County, MN
The radar
The Fargo/Grand Forks radar (KMVX), 87 km from the middle of the area, began a volume at 21:33 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, 4:30 PM CDT | Hail 1.75 | Red Lake Falls, MN | |
| Aug 26, 5:00 PM CDT | Tornado F0 | Brooks, MN | A brief touchdown was reported. |
| Aug 26, 5:12 PM CDT | Hail 1 | Terrebonne, MN | |
| Aug 26, 5:15 PM CDT | Tornado F0 | Mc Intosh, MN | The tornado stayed on the ground for a mile. |
| Aug 26, 5:25 PM CDT | Hail 0.75 | Brooks, 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, 9.5 hours before the alert went out and 234 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
- 42 J/kg
- Mixed-layer CIN
- -300 J/kg
- Mixed-layer LCL
- 1460 m above ground
- 0-6 km bulk shear
- 11 kt
- 0-1 km storm-relative helicity
- 69 m²/s²
- 0-3 km storm-relative helicity
- 86 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The office that day
Everything else NWS Grand Forks, ND issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 26, 3:08 PM CDT | Severe Thunderstorm Warning | FGF | Polk | 42 min |
| Aug 26, 3:41 PM CDT | Tornado Warning | FGF | Polk | 49 min |
| Aug 26, 3:46 PM CDT | Severe Thunderstorm Warning | FGF | Pennington, Red Lake | 44 min |
| Aug 26, 3:51 PM CDT | Tornado Warning | FGF | Pennington, Red Lake | 39 min |
| Aug 26, 4:31 PM CDT | Severe Thunderstorm Warning | FGF | Pennington | 44 min |
| Aug 26, 4:33 PM CDT | Severe Thunderstorm Warning | FGF | Becker, Otter Tail | 42 min |
| Aug 26, 4:50 PM CDT | Severe Thunderstorm Warning | FGF | Roseau | 40 min |
| Aug 26, 5:04 PM CDT | Flash Flood Warning | FGF | Red Lake | 4 hr |
| Aug 26, 5:16 PM CDT | Tornado Warning | FGF | Polk | 44 min |
| Aug 26, 5:17 PM CDT | Severe Thunderstorm Warning | FGF | Red Lake | 43 min |
| Aug 26, 5:50 PM CDT | Severe Thunderstorm Warning | FGF | Mahnomen, Norman | 55 min |
| Aug 26, 5:59 PM CDT | Severe Thunderstorm Warning | FGF | Polk | 46 min |
| Aug 26, 6:26 PM CDT | Severe Thunderstorm Warning | FGF | Lake of the Woods | 49 min |
| Aug 26, 6:44 PM CDT | Severe Thunderstorm Warning | FGF | Becker, Clay, Mahnomen, Norman | 61 min |
| Aug 26, 12:36 AM CDT | Severe Thunderstorm Warning | FGF | Benson | 39 min |
| Aug 26, 1:40 AM CDT | Severe Thunderstorm Warning | FGF | Benson, Ramsey | 50 min |
| Aug 26, 5:02 PM CDT | Severe Thunderstorm Warning | FGF | Benson | 43 min |
| Aug 26, 5:31 PM CDT | Severe Thunderstorm Warning | FGF | Ramsey | 44 min |
| Aug 26, 5:46 PM CDT | Severe Thunderstorm Warning | FGF | Benson | 29 min |
| Aug 26, 6:00 PM CDT | Severe Thunderstorm Warning | FGF | Towner | 45 min |
| Aug 26, 6:13 PM CDT | Severe Thunderstorm Warning | FGF | Ramsey | 47 min |
| Aug 26, 6:48 PM CDT | Severe Thunderstorm Warning | FGF | Walsh | 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.