Alert archive / Minnesota / Severe Thunderstorm Warnings in 1990
Severe Thunderstorm Warning 58, NWS Twin Cities, MN
NWS Twin Cities, MN issued this severe thunderstorm warning at Jun 13, 1990, 2:30 AM CDT for Freeborn County, Mower County, Minnesota. It was in force for 45 min.
The area
The counties it named.
The facts
- Issued
- Jun 13, 1990, 2:30 AM CDT (07:30 UTC)
- Expired
- Jun 13, 1990, 3:15 AM CDT
- In force
- 45 min
- Issued by
- NWS Twin Cities, MN
- Area
- Whole counties
Counties Freeborn County, MN, Mower 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 00:00Z, 7.5 hours before the alert went out and 138 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.
- 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
The text
As transmitted, in the capitals the NWS used until 2016.
000
TTAA00 KRST 130731
SVRRST
MNC047-099-130815-
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE ROCHESTER MN
230 AM CDT WED JUN 13 1990
THE NATIONAL WEATHER SERVICE IN ROCHESTER HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 315 AM CDT
FOR PEOPLE IN THE FOLLOWING COUNTIES...
IN SOUTH CENTRAL MINNESOTA
...SOUTHEASTERN FREEBORN
IN SOUTHEAST MINNESOTA
...MOWER
...THIS WARNING ALSO INCLUDES THE TOWNS OF AUSTIN AND GRAND MEADOW...
AT 220 AM CDT RADAR INDICATED A WEVERE THUNDERSTORM 10 MILES SOUTHEAST
OF ALBERT LEA MN. THIS SEVERE THUNDERSTORM IS MOVING NORTHEAST AT 45
MPH.
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.
THIS IS A DANGEROUS STORM. IF YOU ARE IN ITS PATH YOU SHOULD
PREPARE FOR DAMAGING WIND IN EXCESS OF 55 MPH...LARGE HAIL...AND
DEADLY LIGHTNING. PEOPLE OUTSIDE SHOULD MOVE TO A SHELTER...
PREFERABLY INSIDE A STRONG BUILDING BUT STAY AWAY FROM WINDOWS.The office that day
Everything else NWS Twin Cities, MN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 12, 8:13 PM CDT | Severe Thunderstorm Warning | MPX | Blue Earth, Le Sueur, Nicollet | 32 min |
| Jun 12, 8:51 PM CDT | Severe Thunderstorm Warning | MPX | Le Sueur, Rice | 54 min |
| Jun 12, 9:43 PM CDT | Severe Thunderstorm Warning | MPX | Goodhue | 47 min |
| Jun 12, 11:09 PM CDT | Severe Thunderstorm Warning | MPX | McLeod, Renville, Sibley | 51 min |
| Jun 12, 11:25 PM CDT | Tornado Warning | MPX | Sibley | 35 min |
| Jun 13, 12:21 AM CDT | Severe Thunderstorm Warning | MPX | Carver, McLeod, Scott | 69 min |
| Jun 13, 12:21 AM CDT | Severe Thunderstorm Warning | MPX | Dakota | 69 min |
| Jun 13, 1:20 AM CDT | Flash Flood Warning | MPX | Dodge, Goodhue, Olmsted, Wabasha | 115 min |
| Jun 13, 2:05 AM CDT | Severe Thunderstorm Warning | MPX | Freeborn | 25 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.