Alert archive / Minnesota / Severe Thunderstorm Warnings in 1990

Severe Thunderstorm Warning 27, NWS Twin Cities, MN

June 2, 1990Olmsted County, Minnesota

NWS Twin Cities, MN issued this severe thunderstorm warning at Jun 2, 1990, 1:33 PM CDT for Olmsted County, Minnesota. It was in force for 17 min.

The area

The counties it named.

The facts

Issued
Jun 2, 1990, 1:33 PM CDT (18:33 UTC)
Expired
Jun 2, 1990, 1:50 PM CDT
In force
17 min
Issued by
NWS Twin Cities, MN
Area
Whole counties

County Olmsted County, MN

The radar

The WSR-88D network and its archive begin in 1991, so there is no radar volume for this alert.

The nearest sounding before it

Minneapolis, MN (KSTC), launched 12:00Z, 6.6 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-pSkew-T log-p diagram, Minneapolis, MN at 12:00Z on 1990-06-02Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 338 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 12:00Z on 1990-06-02The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 181 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
338 J/kg
Mixed-layer CIN
-198 J/kg
Mixed-layer LCL
875 m above ground
0-6 km bulk shear
49 kt
0-1 km storm-relative helicity
181 m²/s²
0-3 km storm-relative helicity
269 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.2

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KRST 021846 COR
SVRRST
MNC109-157-021900-

BULLETIN - IMMEDIATE BROADCAST REQUESTED...CORRECTION FOR TIMES...
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE ROCHESTER MN
133 PM CDT SAT JUN 2 1990

THE NATIONAL WEATHER SERVICE IN ROCHESTER HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  200 PM CDT
FOR PEOPLE IN THE FOLLOWING COUNTIES...

IN SOUTHEAST MINNESOTA
          ...OLMSTED...WABASHA

AT 125 PM WIND GUSTS TO 69 MPH WERE RECORDED AT THE ROCHESTER AIRPORT.
THIS SEVERE THUNDERSTORM WAS LOCATED IN THE SOUTHWEST PART OF OLMSTED
COUNTY AND WILL BE APPROCHING THE CITY OF ROCHESTER AROUND 135 PM THIS
SEVERE THUNDERSTORM IS MOVING RAPIDLY NORTHWARD AND WILL BE MOVING
INTO WABASHA COUNTY BETWEEN 145PM AND 200PM. THIS WARNING INCLUDES
THE
CITY OF ROCHESTER AND WABASHA.



A TORNADO WATCH IS ALSO IN EFFECT FOR THE WARNED AREA.  REMEMBER
SEVERE THUNDERSTORMS CAN AND OCCASIONALLY DO PRODUCE TORNADOES
WITH LITTLE OR NO ADVANCE WARNING.  RE?MAIN CALM BUT BE ALERT TO
RAPIDLY CHANGING WEATHER CONDITIONS.

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 1, 7:48 PM CDTSevere Thunderstorm WarningMPXPope42 min
Jun 1, 8:36 PM CDTSevere Thunderstorm WarningMPXTodd54 min
Jun 1, 10:28 PM CDTSevere Thunderstorm WarningMPXTodd47 min
Jun 2, 12:59 PM CDTSevere Thunderstorm WarningMPXDakota, Washington51 min
Jun 2, 1:12 PM CDTSevere Thunderstorm WarningMPXHennepin, Ramsey38 min
Jun 2, 1:33 PM CDTSevere Thunderstorm WarningMPXWabasha27 min

Nearby

Severe Thunderstorm Warnings in Minnesota, 1990Every severe thunderstorm warning in 1990

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.