Alert archive / Minnesota / Tornado Warnings in 1998
Tornado Warning 11, NWS Grand Forks, ND
NWS Grand Forks, ND issued this tornado warning at Jul 14, 1998, 2:36 PM CDT for Otter Tail County, Minnesota. It was in force for 34 min. 2 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
- Jul 14, 1998, 2:36 PM CDT (19:36 UTC)
- Expired
- Jul 14, 1998, 3:10 PM CDT
- In force
- 34 min
- Issued by
- NWS Grand Forks, ND
- Area
- Whole counties
County Otter Tail County, MN
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Jul 14, 3:00 PM CDT | Hail 1.75 | Phelps, MN | |
| Jul 14, 3:16 PM CDT | Hail 1.75 | Phelps, 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 14, 2:00 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
The nearest sounding before it
Minneapolis, MN (KMPX), launched 12:00Z, 7.6 hours before the alert went out and 239 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
- 2677 J/kg
- Mixed-layer CIN
- -139 J/kg
- Mixed-layer LCL
- 801 m above ground
- 0-6 km bulk shear
- 12 kt
- 0-1 km storm-relative helicity
- 9 m²/s²
- 0-3 km storm-relative helicity
- -14 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
367 WFUS1 KFAR 141937 RRA TORFAR MNC111-142010- BULLETIN - EAS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS ND 236 PM CDT TUE JUL 14 1998 THE NATIONAL WEATHER SERVICE IN GRAND FORKS HAS ISSUED A * TORNADO WARNING FOR... WESTERN OTTER TAIL COUNTY IN WEST CENTRAL MINNESOTA * UNTIL 310 PM CDT * AT 235 PM CDT RADAR INDICATED A SEVERE THUNDERSTORM PRODUCING A TORNADO NEAR ELIZABETH MINNESOTA OR 10 MILES NORTH OF FERGUS FALLS MOVING EAST AT 15 MPH. * THE TORNADO WILL BE NEAR... WEGGELAND AT 250 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.
The office that day
Everything else NWS Grand Forks, ND issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 14, 3:07 AM CDT | Severe Thunderstorm Warning | FGF | Hubbard | 48 min |
| Jul 14, 5:32 AM CDT | Severe Thunderstorm Warning | FGF | Pennington, Polk | 33 min |
| Jul 14, 7:17 AM CDT | Severe Thunderstorm Warning | FGF | Marshall | 33 min |
| Jul 14, 8:09 AM CDT | Severe Thunderstorm Warning | FGF | Clay, Norman | 31 min |
| Jul 14, 8:19 AM CDT | Severe Thunderstorm Warning | FGF | Roseau | 31 min |
| Jul 14, 11:18 AM CDT | Severe Thunderstorm Warning | FGF | Beltrami | 32 min |
| Jul 14, 11:21 AM CDT | Severe Thunderstorm Warning | FGF | Clearwater, Polk | 34 min |
| Jul 14, 12:58 PM CDT | Severe Thunderstorm Warning | FGF | Beltrami, Hubbard | 32 min |
| Jul 14, 1:14 PM CDT | Severe Thunderstorm Warning | FGF | Wilkin | 31 min |
| Jul 14, 1:46 PM CDT | Severe Thunderstorm Warning | FGF | Otter Tail, Wilkin | 34 min |
| Jul 14, 2:16 PM CDT | Severe Thunderstorm Warning | FGF | Otter Tail | 34 min |
| Jul 14, 3:07 PM CDT | Flash Flood Warning | FGF | Otter Tail | 118 min |
| Jul 14, 3:10 PM CDT | Severe Thunderstorm Warning | FGF | Otter Tail | 50 min |
| Jul 14, 4:01 PM CDT | Severe Thunderstorm Warning | FGF | Otter Tail | 49 min |
| Jul 14, 4:53 PM CDT | Severe Thunderstorm Warning | FGF | Otter Tail | 32 min |
| Jul 14, 5:02 PM CDT | Flash Flood Warning | FGF | Otter Tail | 3 hr |
| Jul 14, 5:15 PM CDT | Severe Thunderstorm Warning | FGF | Becker, Clay | 35 min |
| Jul 14, 5:26 PM CDT | Severe Thunderstorm Warning | FGF | Otter Tail | 64 min |
| Jul 14, 5:30 PM CDT | Severe Thunderstorm Warning | FGF | Clearwater, Hubbard | 35 min |
| Jul 14, 5:43 PM CDT | Severe Thunderstorm Warning | FGF | Grant | 32 min |
| Jul 14, 5:46 PM CDT | Severe Thunderstorm Warning | FGF | Becker | 34 min |
| Jul 14, 6:16 PM CDT | Severe Thunderstorm Warning | FGF | Grant | 34 min |
| Jul 14, 6:22 PM CDT | Severe Thunderstorm Warning | FGF | Wilkin | 33 min |
| Jul 14, 6:47 PM CDT | Severe Thunderstorm Warning | FGF | Grant | 43 min |
Nearby
Tornado Warnings in Minnesota, 1998Every tornado warning in 1998Tornadoes in 1998
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.