Alert archive / Minnesota / Tornado Warnings in 1998

Tornado Warning 45, NWS Sioux Falls, SD

June 27, 1998Jackson County, Minnesota

NWS Sioux Falls, SD issued this tornado warning at Jun 27, 1998, 5:22 PM CDT for Jackson County, Minnesota. It was in force for 33 min. 1 report 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, 5:22 PM CDT (22:22 UTC)
Expired
Jun 27, 1998, 5:55 PM CDT
In force
33 min
Issued by
NWS Sioux Falls, SD
Area
Whole counties

County Jackson County, MN

What was reported inside it

TimeReportWhereRemark
Jun 27, 5:50 PM CDTHail 1.75Jackson, 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.

IssuedProductOfficeLasted
Jun 27, 4:00 PM CDTTornado WatchSPC6 hr

The nearest sounding before it

Minneapolis, MN (KMPX), launched 12:00Z, 10.4 hours before the alert went out and 180 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.

Skew-T log-pSkew-T log-p diagram, Minneapolis, MN at 12:00Z on 1998-06-27Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Minneapolis, MN at 12:00Z on 1998-06-27The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 131 square meters per square second.19395878Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
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

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

042 
WFUS1 KFSD 272222 RRA
TORFSD
MNC063-272255-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE SIOUX FALLS SD
522 PM CDT SAT JUN 27 1998

THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A

* TORNADO WARNING FOR...
  SOUTHERN JACKSON COUNTY IN SOUTHWESTERN MINNESOTA

* UNTIL 555 PM CDT

* AT 521 PM CDT... NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
  A DEVELOPING TORNADO 13 MILES SOUTHEAST OF WORTHINGTON  OR 5
  MILES SOUTH OF SPAFFORD MOVING EAST AT 30 MPH.

* THE TORNADO IS TO BE NEAR...
SIOUX VALLEY       AROUND 530 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.

IssuedProductOfficeCountiesLasted
Jun 27, 3:44 PM CDTSevere Thunderstorm WarningFSDLyon31 min
Jun 27, 3:48 PM CDTTornado WarningFSDNobles, Rock32 min
Jun 27, 4:09 PM CDTTornado WarningFSDJackson36 min
Jun 27, 4:24 PM CDTTornado WarningFSDNobles, Rock31 min
Jun 27, 4:43 PM CDTSevere Thunderstorm WarningFSDCottonwood32 min
Jun 27, 4:47 PM CDTTornado WarningFSDJackson33 min
Jun 27, 4:58 PM CDTTornado WarningFSDNobles47 min
Jun 27, 5:49 PM CDTTornado WarningFSDJackson31 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.