Alert archive / Minnesota / Severe Thunderstorm Warnings in 1998

Severe Thunderstorm Warning 137, NWS Twin Cities, MN

June 10, 1998Douglas County, Minnesota

NWS Twin Cities, MN issued this severe thunderstorm warning at Jun 10, 1998, 11:45 PM CDT for Douglas County, Minnesota. It was in force for 30 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
Jun 10, 1998, 11:45 PM CDT (04:45 UTC)
Expired
Jun 11, 1998, 12:15 AM CDT
In force
30 min
Issued by
NWS Twin Cities, MN
Area
Whole counties

County Douglas County, MN

The radar

The Minneapolis radar (KMPX), 190 km from the middle of the area, began a volume at 04:49 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

The nearest sounding before it

Minneapolis, MN (KMPX), launched 00:00Z, 4.8 hours before the alert went out and 188 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 00:00Z on 1998-06-11Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCLLFCEL10008507005003002001001 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 00:00Z on 1998-06-11The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 163 square meters per square second.1939587897117136Sfc1 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
947 m above ground
0-6 km bulk shear
55 kt
0-1 km storm-relative helicity
163 m²/s²
0-3 km storm-relative helicity
227 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.

386 
WUUS1 KMSP 110447 RRA
SVRMSP
MNC041-110515-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
1145 PM CDT WED JUN 10 1998

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

* SEVERE THUNDERSTORM WARNING FOR...
  NORTHWESTERN DOUGLAS COUNTY IN WEST CENTRAL MINNESOTA

* UNTIL 1215 AM CDT

* AT 1144 PM CDT...DOPPLER RADAR INDICATED A SEVERE STORM WITH LARGE
  HAIL NEAR EVANSVILLE OR 17 MILES NORTHWEST OF ALEXANDRIA.  THE
  STORM WAS MOVING EAST-NORTHEAST AT 30 MPH.

* SOME LOCATIONS AFFECTED
    EVANSVILLE
    MELBY
    MILLERVILLE
    BRANDON
    LEAF VALLEY

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

JMP

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 11, 4:34 PM CDTTornado WarningMPXSwift31 min
Jun 11, 5:40 PM CDTTornado WarningMPXKandiyohi35 min
Jun 11, 6:47 PM CDTSevere Thunderstorm WarningMPXRedwood48 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; radar from the NEXRAD Level II archive.