Alert archive / Minnesota / Severe Thunderstorm Warnings in 1990

Severe Thunderstorm Warning 25, NWS Twin Cities, MN

June 2, 1990Hennepin County, Ramsey County, Minnesota

NWS Twin Cities, MN issued this severe thunderstorm warning at Jun 2, 1990, 1:12 PM CDT for Hennepin County, Ramsey County, Minnesota. It was in force for 38 min. 2 reports 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 2, 1990, 1:12 PM CDT (18:12 UTC)
Expired
Jun 2, 1990, 1:50 PM CDT
In force
38 min
Issued by
NWS Twin Cities, MN
Area
Whole counties

Counties Hennepin County, MN, Ramsey County, MN

The radar

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

What was reported inside it

TimeReportWhereRemark
Jun 2, 1:20 PM CDTThunderstorm Wind 0Hennepin, MN
Jun 2, 1:30 PM CDTThunderstorm Wind 0Hennepin, 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. Storm Data before 1996 records only tornadoes, thunderstorm wind and hail.

The nearest sounding before it

Minneapolis, MN (KSTC), launched 12:00Z, 6.2 hours before the alert went out and 30 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°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 KMSP 021814
SVRMSP
MNC053-123-021915-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MINNEAPOLIS MN
112 PM CDT SAT JUN 2 1990
 
THE NATIONAL WEATHER SERVICE IN MINNEAPOLIS HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  215 PM CDT
FOR PEOPLE IN THE FOLLOWING COUNTIES...
 
IN EAST CENTRAL MINNESOTA
          ...HENNEPIN...RAMSEY
 
RADAR INDICATES A SEVERE THUNDERSTORM IN NORTHERNEASTERN SCOTT
COUNTY...ABOUT 25 MILES SOUTH OF DOUNTOWN MINNEAPOLIS...MOVING NORTH
NORTHEAST AT 50 MILES AN HOUR. CITIES IN THE PATH OF THIS STORM ARE
BLOOMINGTON...MINNEAPOLIS/ST PAUL AND WHITE BEAR LAKE. THE MAIN THREAT
WITH THIS STORM ARE STRONG DAMAGING WINDS AND HAIL.
 
 
SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 55
MPH...DESTRUCTIVE HAIL...DEADLY LIGHTNING...AND VERY HEAVY RAIN.
FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR
OF YOUR HOME OR BUSINESS.  HEAVY RAINS FLOOD ROADS QUICKLY SO
DON'T DRIVE INTO AREAS WHERE WATER COVERS THE ROAD.
 
WINDS IN EXCESS OF 75 MPH..MAKE THIS A DANGEROUS STORM. YOU SHOULD
PREPARE FOR STRONG WINDS..LARGE HAIL..DEADLY LIGHTNING AND HEAVY RAIN
BY MOVING TO SHELTER IN A STRONG BUILDING. REMEMBER SEVERE
THUNDERSTORMS CAN AND DO PRODUCE TORNADOES WITH LITTLE OR NO WARNING.

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, 1:33 PM CDTSevere Thunderstorm WarningMPXWabasha27 min
Jun 2, 1:33 PM CDTSevere Thunderstorm WarningMPXOlmsted17 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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.