Alert archive / Minnesota / Severe Thunderstorm Warnings in 1990

Severe Thunderstorm Warning 24, NWS Twin Cities, MN

June 2, 1990Dakota County, Washington County, Minnesota

NWS Twin Cities, MN issued this severe thunderstorm warning at Jun 2, 1990, 12:59 PM CDT for Dakota County, Washington County, Minnesota. It was in force for 51 min.

The area

The counties it named.

The facts

Issued
Jun 2, 1990, 12:59 PM CDT (17:59 UTC)
Expired
Jun 2, 1990, 1:50 PM CDT
In force
51 min
Issued by
NWS Twin Cities, MN
Area
Whole counties

Counties Dakota County, MN, Washington 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, 6.0 hours before the alert went out and 49 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 KMSP 021800
SVRMSP
MNC037-163-021900-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MINNEAPOLIS MN
1259 PM CDT SAT JUN 2 1990
 
THE NATIONAL WEATHER SERVICE IN MINNEAPOLIS HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  200 PM CDT
FOR PEOPLE IN THE FOLLOWING COUNTIES...
 
IN EAST CENTRAL MINNESOTA
          ...DAKOTA...SOUTHERN WASHINGTON
 
AT 1 PM A SEVERE THUNDERSTORM WAS LOCATED NEAR NORTHFIELD MOVING INTO
SOUTHERN DAKOTA COUNTY 50 MPH. WINDS OF 70 MPH WERE REPORTED IN
FARIBAULT ALONG WITH SMALL HAIL. CITIES IN THE PATH OFTHIS STORM ARE
NORTHFIELD..FARMINGTON..HASTINGS..ROSEMOUNT.. INVER GROVE HIEGHTS AND
STILLWATER.
 
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.
 
MILLER

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, 1:12 PM CDTSevere Thunderstorm WarningMPXHennepin, Ramsey38 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; the sounding from the Mesonet's radiosonde archive.