Alert archive / Minnesota / Severe Thunderstorm Warnings in 1998

Severe Thunderstorm Warning 343, NWS Twin Cities, MN

October 15, 1998Todd County, Minnesota

NWS Twin Cities, MN issued this severe thunderstorm warning at Oct 15, 1998, 5:17 PM CDT for Todd County, Minnesota. It was in force for 43 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Oct 15, 1998, 5:17 PM CDT (22:17 UTC)
Expired
Oct 15, 1998, 6:00 PM CDT
In force
43 min
Issued by
NWS Twin Cities, MN
Area
Whole counties

County Todd County, MN

The nearest sounding before it

Minneapolis, MN (KMPX), launched 12:00Z, 10.3 hours before the alert went out and 169 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 1998-10-15Temperature 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 1998-10-15The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 301 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
527 m above ground
0-6 km bulk shear
48 kt
0-1 km storm-relative helicity
301 m²/s²
0-3 km storm-relative helicity
260 m²/s²
Significant tornado parameter
0.0
Supercell composite
-0.1

Open this sounding in Storm Lab

The text

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

709 
WUUS1 KMSP 152218 RRA
SVRMSP
MNC153-152300-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
517 PM CDT THU OCT 15 1998

THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES/CHANHASSEN HAS
ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  SOUTHERN TODD COUNTY IN CENTRAL MINNESOTA

* UNTIL 600 PM CDT

* AT 516 PM CDT...DOPPLER RADAR INDICATED A SEVERE STORM WITH LARGE
  HAIL JUST NORTH OF WESTPORT...OR ABOUT 15 MILES SOUTHEAST OF
  ALEXANDRIA.  THE STORM WAS MOVING NORTHEAST AT 35 MPH.

* SOME LOCATIONS AFFECTED
    WEST UNION
    LITTLE SAUK
    ROUND PRAIRIE
    WARD SPRINGS

THIS IS A DANGEROUS STORM.  STAY INDOORS AWAY FROM WINDOWS.


TDK

The office that day

Everything else NWS Twin Cities, MN issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Oct 15, 4:55 PM CDTSevere Thunderstorm WarningMPXDouglas, Pope50 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; the sounding from the Mesonet's radiosonde archive.