Alert archive / Minnesota / Severe Thunderstorm Warnings in 1998

Severe Thunderstorm Warning 158, NWS Twin Cities, MN

June 18, 1998Faribault County, Minnesota

NWS Twin Cities, MN issued this severe thunderstorm warning at Jun 18, 1998, 11:36 AM CDT for Faribault County, Minnesota. It was in force for 34 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 18, 1998, 11:36 AM CDT (16:36 UTC)
Expired: Jun 18, 1998, 12:10 PM CDT
In force: 34 min
Issued by: NWS Twin Cities, MN
Area: Whole counties

County Faribault County, MN

The radar

The Minneapolis radar (KMPX), 134 km from the middle of the area, began a volume at 16:38 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 12:00Z, 4.6 hours before the alert went out and 134 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 430 J/kg
Mixed-layer CIN: -72 J/kg
Mixed-layer LCL: 666 m above ground
0-6 km bulk shear: 24 kt
0-1 km storm-relative helicity: -22 m²/s²
0-3 km storm-relative helicity: -35 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.

467 
WUUS1 KMSP 181639 RRA
SVRMSP
MNC043-181705-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
1136 AM CDT THU JUN 18 1998

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

* SEVERE THUNDERSTORM WARNING FOR...
  EASTERN FARIBAULT COUNTY IN SOUTH CENTRAL MINNESOTA
  
* UNTIL 1210 PM CDT

* AT AT 1136 AM CDT...DOPPLER RADAR INDICATED A SEVERE STORM WITH
  LARGE HAIL AND DAMAGING WINDS JUST SOUTHWEST OF WELL OR 40 MILES
  NORTHWEST OF ALBERT LEA.  THE STORM WAS MOVING NORTHEAST AT 35
MPH.


* SOME LOCATIONS AFFECTED
    WELLS
    EASTON
    BRUSH WALTERS

DAMAGING WINDS AND LARGE HAIL ARE LIKELY.  GO INSIDE A STURDY
BUILDING AND STAY AWAY FROM WINDOWS.


JVM

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 18, 2:32 AM CDT	Severe Thunderstorm Warning	MPX	Redwood	48 min
Jun 18, 1:20 PM CDT	Severe Thunderstorm Warning	MPX	Carver, McLeod	30 min
Jun 18, 2:38 PM CDT	Tornado Warning	MPX	Morrison	37 min
Jun 18, 3:39 PM CDT	Tornado Warning	MPX	Chippewa, Kandiyohi, Swift	31 min
Jun 18, 3:59 PM CDT	Tornado Warning	MPX	Redwood, Renville	46 min
Jun 18, 4:18 PM CDT	Tornado Warning	MPX	Kandiyohi	47 min
Jun 18, 4:25 PM CDT	Tornado Warning	MPX	Pope, Stevens	50 min
Jun 18, 4:44 PM CDT	Tornado Warning	MPX	Renville	46 min
Jun 18, 5:16 PM CDT	Severe Thunderstorm Warning	MPX	Kandiyohi, Meeker	49 min

Nearby

Severe Thunderstorm Warnings in Minnesota, 1998 Every 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.