Alert archive / Minnesota / Severe Thunderstorm Warnings in 1998
Severe Thunderstorm Warning 39, NWS La Crosse, WI
NWS La Crosse, WI issued this severe thunderstorm warning at May 18, 1998, 10:00 PM CDT for Dodge County, Olmsted County, Wabasha County, Minnesota. It was in force for 60 min. 7 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
- May 18, 1998, 10:00 PM CDT (03:00 UTC)
- Expired
- May 18, 1998, 11:00 PM CDT
- In force
- 60 min
- Issued by
- NWS La Crosse, WI
- Area
- Whole counties
Counties Dodge County, MN, Olmsted County, MN, Wabasha County, MN
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| May 18, 10:30 PM CDT | Hail 0.75 | West Concord, MN | |
| May 18, 10:32 PM CDT | Thunderstorm Wind 50 | Elgin, MN | |
| May 18, 10:50 PM CDT | Hail 0.75 | Oronoco, MN | |
| May 18, 10:55 PM CDT | Hail 0.75 | Rochester, MN | |
| May 18, 11:05 PM CDT | Hail 0.75 | Rochester, MN | |
| May 18, 11:06 PM CDT | Hail 1 | Rochester, MN | |
| May 18, 11:10 PM CDT | Hail 1.5 | Rochester, 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 |
|---|---|---|---|
| May 18, 4:30 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
The nearest sounding before it
Minneapolis, MN (KMPX), launched 00:00Z, 3.0 hours before the alert went out and 121 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
- 3617 J/kg
- Mixed-layer CIN
- -25 J/kg
- Mixed-layer LCL
- 1794 m above ground
- 0-6 km bulk shear
- 26 kt
- 0-1 km storm-relative helicity
- 45 m²/s²
- 0-3 km storm-relative helicity
- 55 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
278 WUUS1 KLSE 190301 RRA SVRLSE MNC039-109-157-190400- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE LA CROSSE WI 1000 PM CDT MON MAY 18 1998 THE NATIONAL WEATHER SERVICE IN LA CROSSE HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... DODGE COUNTY IN SOUTHEAST MINNESOTA OLMSTED COUNTY IN SOUTHEAST MINNESOTA WABASHA COUNTY IN SOUTHEAST MINNESOTA * UNTIL 1100 PM CDT * AT 1000 PM...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A LINE OF SEVERE THUNDERSTORMS OVER GOODHUE COUNTY...ABOUT 20 MILES NORTHWEST OF ROCHESTER. MOVEMENT WAS SOUTHEAST AT 20 MPH. * THE SEVERE THUNDERSTORM WILL BE NEAR... CONCORD AT 1013 PM ORONOCO AT 1020 PM ZUMBRO FALLS AT 1035 PM THE MAIN THREAT FROM THIS STORM IS LARGE HAIL AND DAMAGING WIND. GO INSIDE A STURDY BUILDING AND STAY AWAY FROM WINDOWS SHEA/RIECK
The office that day
Everything else NWS La Crosse, WI issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 18, 11:00 PM CDT | Severe Thunderstorm Warning | ARX | Olmsted | 45 min |
| May 18, 11:32 PM CDT | Severe Thunderstorm Warning | ARX | Fillmore, Winona | 58 min |
| May 18, 11:46 PM CDT | Severe Thunderstorm Warning | ARX | Olmsted | 29 min |
| May 19, 12:23 AM CDT | Severe Thunderstorm Warning | ARX | Houston | 67 min |
| May 19, 1:16 AM CDT | Severe Thunderstorm Warning | ARX | Dodge, Olmsted | 59 min |
Nearby
Severe Thunderstorm Warnings in Minnesota, 1998Every severe thunderstorm warning 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.