Alert archive / Minnesota / Tornado Warnings in 1998
Tornado Warning 21, NWS La Crosse, WI
NWS La Crosse, WI issued this tornado warning at Jun 20, 1998, 4:25 PM CDT for Houston County, Minnesota. It was in force for 60 min. 3 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
- Jun 20, 1998, 4:25 PM CDT (21:25 UTC)
- Expired
- Jun 20, 1998, 5:25 PM CDT
- In force
- 60 min
- Issued by
- NWS La Crosse, WI
- Area
- Whole counties
County Houston County, MN
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Jun 20, 4:33 PM CDT | Thunderstorm Wind 52 | Spring Grove, MN | |
| Jun 20, 4:38 PM CDT | Hail 0.75 | Spring Grove, MN | |
| Jun 20, 4:53 PM CDT | Hail 1.25 | Caledonia, 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 |
|---|---|---|---|
| Jun 20, 1:45 PM CDT | Tornado Watch | SPC | 5 hr |
The nearest sounding before it
Minneapolis, MN (KMPX), launched 12:00Z, 9.4 hours before the alert went out and 213 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
- 18 J/kg
- Mixed-layer CIN
- -384 J/kg
- Mixed-layer LCL
- 2049 m above ground
- 0-6 km bulk shear
- 47 kt
- 0-1 km storm-relative helicity
- 416 m²/s²
- 0-3 km storm-relative helicity
- 589 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 4.1
The text
As transmitted, in the capitals the NWS used until 2016.
104 WFUS1 KLSE 202127 RRA TORLSE MNC055-202225- BULLETIN - EAS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE LA CROSSE WI 425 PM CDT SAT JUN 20 1998 THE NATIONAL WEATHER SERVICE IN LA CROSSE HAS ISSUED A * TORNADO WARNING FOR... HOUSTON COUNTY IN SOUTHEASTERN MINNESOTA * UNTIL 525 PM CDT * AT 420 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A TORNADO NEAR SPRING GROVE OR ABOUT 25 MILES SOUTHWEST OF LA CROSSE...MOVING EAST AT 25 MPH. * THE TORNADO WILL BE NEAR... CALEDONIA AROUND 440 PM CDT THIS STORM HAS A HISTORY OF PRODUCING LARGE HAIL...DAMAGING WINDS AND HEAVY RAIN. ABANDON MOBILE HOMES GO IN A NEARBY STURDY BUILDING. AS A LAST RESORT LIE FLAT IN A DITCH AND COVER YOUR HEAD. TMC/KRC
The office that day
Everything else NWS La Crosse, WI issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 20, 12:43 PM CDT | Severe Thunderstorm Warning | ARX | Dodge, Mower | 77 min |
| Jun 20, 1:13 PM CDT | Tornado Warning | ARX | Dodge, Mower | 47 min |
| Jun 20, 1:46 PM CDT | Tornado Warning | ARX | Fillmore, Olmsted | 64 min |
| Jun 20, 1:56 PM CDT | Tornado Warning | ARX | Mower | 44 min |
| Jun 20, 2:11 PM CDT | Flash Flood Warning | ARX | Mower | 2 hr |
| Jun 20, 2:40 PM CDT | Severe Thunderstorm Warning | ARX | Mower | 30 min |
| Jun 20, 2:49 PM CDT | Tornado Warning | ARX | Fillmore | 61 min |
| Jun 20, 3:25 PM CDT | Tornado Warning | ARX | Fillmore | 60 min |
| Jun 20, 4:00 PM CDT | Severe Thunderstorm Warning | ARX | Houston | 60 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.