Alert archive / Iowa / Tornado Warnings in 1998
Tornado Warning 43, NWS Sioux Falls, SD
NWS Sioux Falls, SD issued this tornado warning at Jun 27, 1998, 4:58 PM CDT for Osceola County, Iowa; Nobles County, Minnesota. It was in force for 47 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
- Jun 27, 1998, 4:58 PM CDT (21:58 UTC)
- Expired
- Jun 27, 1998, 5:45 PM CDT
- In force
- 47 min
- Issued by
- NWS Sioux Falls, SD
- Area
- Whole counties
Counties Osceola County, IA, Nobles County, MN
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Jun 27, 5:08 PM CDT | Hail 1.75 | Sibley, IA | |
| Jun 27, 5:15 PM CDT | Hail 0.75 | Round Lake, 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 27, 4:00 PM CDT | Tornado Watch | SPC | 6 hr |
The nearest sounding before it
Minneapolis, MN (KMPX), launched 12:00Z, 10.0 hours before the alert went out and 222 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.
803 WFUS1 KFSD 272158 RRA TORFSD IAC143-MNC105-272245- BULLETIN - EAS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE SIOUX FALLS SD 458 PM CDT SAT JUN 27 1998 THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A * TORNADO WARNING FOR... SOUTHERN NOBLES COUNTY IN SOUTHWESTERN MINNESOTA OSCEOLA COUNTY IN NORTHWESTERN IOWA * UNTIL 545 PM CDT * AT 455 PM CDT... NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A DEVELOPING TORNADO 4 MILES EAST OF SIBLEY MOVING EAST AT 30 MPH. * THE TORNADO IS EXPECTED TO BE NEAR... OCHEYEDAN AROUND 540 PM CDT MAY CITY AROUND 540 PM CDT WORTHINGTON AROUND 540 PM CDT ORG AROUND 540 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, 3:48 PM CDT | Tornado Warning | FSD | Lyon | 32 min |
| Jun 27, 4:24 PM CDT | Tornado Warning | FSD | Lyon, Osceola | 31 min |
| Jun 27, 5:16 PM CDT | Tornado Warning | FSD | Dickinson | 34 min |
| Jun 27, 5:49 PM CDT | Tornado Warning | FSD | Dickinson | 31 min |
| Jun 27, 3:44 PM CDT | Severe Thunderstorm Warning | FSD | Lyon | 31 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, 5:22 PM CDT | Tornado Warning | FSD | Jackson | 33 min |
Nearby
Tornado Warnings in Iowa, 1998Tornado 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.