Alert archive / Minnesota / Tornado Warnings in 1998
Tornado Warning 41, NWS Sioux Falls, SD
NWS Sioux Falls, SD issued this tornado warning at Jun 27, 1998, 4:24 PM CDT for Nobles County, Rock County, Minnesota; Lyon County, Osceola County, Iowa. It was in force for 31 min. 6 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 27, 1998, 4:24 PM CDT (21:24 UTC)
- Expired
- Jun 27, 1998, 4:55 PM CDT
- In force
- 31 min
- Issued by
- NWS Sioux Falls, SD
- Area
- Whole counties
Counties Lyon County, IA, Osceola County, IA, Nobles County, MN, Rock County, MN
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Jun 27, 4:26 PM CDT | Hail 0.75 | Worthington, MN | |
| Jun 27, 4:30 PM CDT | Tornado F0 | George, IA | |
| Jun 27, 4:45 PM CDT | Hail 1 | Magnolia, MN | |
| Jun 27, 4:45 PM CDT | Tornado F1 | Sibley, IA | |
| Jun 27, 4:50 PM CDT | Hail 2 | Little Rock, IA | |
| Jun 27, 4:54 PM CDT | Hail 0.88 | Sibley, IA |
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 27, 4:00 PM CDT | Tornado Watch | SPC | 6 hr |
The nearest sounding before it
Minneapolis, MN (KMPX), launched 12:00Z, 9.4 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 1297 m above ground
- 0-6 km bulk shear
- 40 kt
- 0-1 km storm-relative helicity
- 131 m²/s²
- 0-3 km storm-relative helicity
- 146 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
603 WFUS1 KFSD 272124 RRA TORFSD IAC119-143-MNC105-133-272155- BULLETIN - EAS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE SIOUX FALLS SD 424 PM CDT SAT JUN 27 1998 THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A * TORNADO WARNING FOR... NOBLES COUNTY IN SOUTHWESTERN MINNESOTA SOUTHEASTERN ROCK COUNTY IN SOUTHWESTERN MINNESOTA EASTERN LYON COUNTY IN NORTHWESTERN IOWA WESTERN OSCEOLA COUNTY IN NORTHWESTERN IOWA * UNTIL 455 PM CDT * AT 422 PM CDT... NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A DEVELOPING TORNADO 10 MILES NORTHWEST OF SIBLEY MOVING NORTHEAST AT 30 MPH. * THE TORNADO IS EXPECTED TO BE NEAR... BIGELOW AROUND 425 PM CDT RUSHMORE AROUND 425 PM CDT ORG AROUND 435 PM CDT READING AROUND 440 PM CDT WORTHINGTON AROUND 440 PM CDT IF YOU ARE CAUGHT OUTSIDE...SEEK SHELTER IN A NEARBY REINFORCED BUILDING. AS A LAST RESORT...SEEK SHELTER IN A CULVERT...DITCH OR LOW SPOT AND COVER YOUR HEAD WITH YOUR HANDS. REM
The office that day
Everything else NWS Sioux Falls, SD issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 27, 3:44 PM CDT | Severe Thunderstorm Warning | FSD | Lyon | 31 min |
| Jun 27, 3:48 PM CDT | Tornado Warning | FSD | Nobles, Rock | 32 min |
| Jun 27, 4:09 PM CDT | Tornado Warning | FSD | Jackson | 36 min |
| Jun 27, 4:43 PM CDT | Severe Thunderstorm Warning | FSD | Cottonwood | 32 min |
| Jun 27, 4:47 PM CDT | Tornado Warning | FSD | Jackson | 33 min |
| Jun 27, 4:58 PM CDT | Tornado Warning | FSD | Nobles | 47 min |
| Jun 27, 5:22 PM CDT | Tornado Warning | FSD | Jackson | 33 min |
| Jun 27, 5:49 PM CDT | Tornado Warning | FSD | Jackson | 31 min |
| Jun 27, 5:16 PM CDT | Tornado Warning | FSD | Dickinson | 34 min |
Nearby
Tornado Warnings in Minnesota, 1998Tornado Warnings in Iowa, 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.