Alert archive / Minnesota / Severe Thunderstorm Warnings in 1990

Severe Thunderstorm Warning 55, NWS Twin Cities, MN

June 13, 1990Carver County, McLeod County, Scott County, Minnesota

NWS Twin Cities, MN issued this severe thunderstorm warning at Jun 13, 1990, 12:21 AM CDT for Carver County, McLeod County, Scott County, Minnesota. It was in force for 69 min. 1 report 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 13, 1990, 12:21 AM CDT (05:21 UTC)
Expired
Jun 13, 1990, 1:30 AM CDT
In force
69 min
Issued by
NWS Twin Cities, MN
Area
Whole counties

Counties Carver County, MN, McLeod County, MN, Scott 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 13, 12:36 AM CDTThunderstorm Wind 0Scott, 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 00:00Z, 5.4 hours before the alert went out and 23 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 1990-06-13Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1326 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 1990-06-13The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -50 square meters per square second.1939587897Sfc1 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
1326 J/kg
Mixed-layer CIN
-36 J/kg
Mixed-layer LCL
1196 m above ground
0-6 km bulk shear
71 kt
0-1 km storm-relative helicity
-50 m²/s²
0-3 km storm-relative helicity
94 m²/s²
Significant tornado parameter
-0.4
Supercell composite
-2.3

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KMSP 130522
SVRMSP
MNC019-085-037-139-130630-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MINNEAPOLIS MN
1221 AM CDT WED JUN 13 1990
 
THE NATIONAL WEATHER SERVICE IN MINNEAPOLIS HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  115 AM CDT
FOR PEOPLE IN THE FOLLOWING COUNTIES...
 
IN CENTRAL MINNESOTA
          ...CARVER...MCLEOD
IN EAST CENTRAL MINNESOTA
          ...DAKOTA...SCOTT
 
AT 1210 AM CDT WEDNESDAY MORNING SEVERE THUNDERSTORMS WERE LOCATED
OVER SOUTHERN MCCL0UD AND WESTERN SCOTT COUNTIES. THESE SEVERE
THUNDERSTORMS HAVE A HISTORY OF STRONG WINDS..HAIL AND VERY HEAVY
RAINS. THESE SEVERE THUNDERSTORSMS WERE MOVING EAST AT 45 MILES AN
HOUR. PERSONS IN THE CITIES OF GLENCOE..NORWOOD..COLONGE..CHASKA AND
NEW PRAGUE WILL BE IN THE PATH OF THESE STORMS WITHIN THE HALF HOUR.
IN DAKOTA COUNTY THE CITIES OF ROSEMONT AND FARMINGTON WILL BE IN THE
PATH BETWEEN 1255 AND 115AM THIS WEDNESDAY MORNING.
 
 
WHEN THUNDERSTORMS ARE OCCURRING..MOVE INSIDE A STRONG BUILDING
DO NOT STAND BY WINDOWS.  DON'T USE TELEPHONES OR ELECTRICAL
APPLIANCES UNLESS IN AN EMERGENCY. REMEMBER SEVERE THUNDERSTORMS
CAN AND OCCASIONALLY DO PRODUCE TORNADOS WITH LITTLE OR NO WARNING.
NAISTAT

What forecasters said that day

The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

In the hours before

Local storm report, Jun 12, 8:04 PM CDT, 4 hours 17 minutes before
STORM REPORT
NATIONAL WEATHER SERVICE MINNEAPOLIS, MN
803 PM CDT TUE JUN 12 1990
      ...ATTN SELS A MSP...

 530 PM  PRIOR LAKE....SCOTT COUNTY MN...DIME SIZE HAIL
 540PM   60 MPH WIND..BLOOMINGTON MN...S HENNEPIN COUNTY
 535PM   SAVAGE...SCOTT COUNTY MN...DIME SIZE HAIL
 625PM   DIME HAIL..RIVER FALLS...ST CROIX COUNTY..WI
 635PM   PRESCOTT...ST CROIX COUNTY WI...EST 60 MPH PLUS WINDS..
         SHERIFF SAID "IF HIS CAR HAD WINGS IT WOULD HAVE FLOWN"
 705PM   NEAR WILSON..ST CROIX COUNTY..60 TO 70 MPH WINDS
 700 PM  BALDWIN..WILSON AREA OF ST CROIX COUNTY WI...STRUCTURAL
         DAMAGE...LARGE TREES DOWN..NMRS POWER OUTAGES.
 735 TO  REPORTS OF 70 MPH PLUS WINDS IN BLOOMER AND CHIPPEWA FALLS
 755PM   IN CHIPPWA COUNTY..WI
 745 PM  GOLFBALL HAIL IN EAU CLAIRE IN EAU CLAIRE CO..WI
         PAULSON
Local storm report, Jun 12, 8:23 PM CDT, 3 hours 58 minutes before
STORM REPORT
NATIONAL WEATHER SERVICE MINNEAPOLIS, MN
825 PM CDT TUE JUN 12 1990
      ...ATTN SELS A MSP...

 720PM   DUNN COUNTY...WI.  WHEELER AREA.  EXTENSIVE WIND DAMAGE...
         AT LEAST TWO HOMES SEVERELY DAMAGED....MANY TREES AND POWER
         POLES SNAPPED....KXJ-88 NOAA WEATHER RADIO IN WHEELER WI OTS.
         REPORT CAME FROM TECHNICIAN ATTEMPTING TO REPAIR NWR.

PAULSON

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 12, 8:13 PM CDTSevere Thunderstorm WarningMPXBlue Earth, Le Sueur, Nicollet32 min
Jun 12, 8:51 PM CDTSevere Thunderstorm WarningMPXLe Sueur, Rice54 min
Jun 12, 9:43 PM CDTSevere Thunderstorm WarningMPXGoodhue47 min
Jun 12, 11:09 PM CDTSevere Thunderstorm WarningMPXMcLeod, Renville, Sibley51 min
Jun 12, 11:25 PM CDTTornado WarningMPXSibley35 min
Jun 13, 12:21 AM CDTSevere Thunderstorm WarningMPXDakota69 min
Jun 13, 1:20 AM CDTFlash Flood WarningMPXDodge, Goodhue, Olmsted, Wabasha115 min
Jun 13, 2:05 AM CDTSevere Thunderstorm WarningMPXFreeborn25 min
Jun 13, 2:30 AM CDTSevere Thunderstorm WarningMPXFreeborn, Mower45 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.