Alert archive / Minnesota / Severe Thunderstorm Warnings in 1990
Severe Thunderstorm Warning 57, NWS Twin Cities, MN
NWS Twin Cities, MN issued this severe thunderstorm warning at Jun 13, 1990, 2:05 AM CDT for Freeborn County, Minnesota. It was in force for 25 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, 2:05 AM CDT (07:05 UTC)
- Expired
- Jun 13, 1990, 2:30 AM CDT
- In force
- 25 min
- Issued by
- NWS Twin Cities, MN
- Area
- Whole counties
County Freeborn 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
| Time | Report | Where | Remark |
|---|---|---|---|
| Jun 13, 2:15 AM CDT | Thunderstorm Wind 0 | Freeborn, 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, 7.1 hours before the alert went out and 132 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 130706
SVRRST
MNC047-130730-
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE ROCHESTER MN
205 AM CDT WED JUN 13 1990
THE NATIONAL WEATHER SERVICE IN ROCHESTER HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 230 AM CDT
FOR PEOPLE IN THE FOLLOWING COUNTY...
IN SOUTH CENTRAL MINNESOTA
...NORTHERN FREEBORN
...THIS WARNING ALSO INCLUDES THE TOWNS OF CLARKS GROVE AND MAPLE
ISLAND...
AT 200 AM CDT RADAR INDICATED A SEVERE THUNDERSTORM 15 MILES NORTHWEST
OF ALBERT LEA. THIS SEVERE THUNDERSTORM IS MOVING EAST AT 30 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 qYOU 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, 2:30 AM CDT | Severe Thunderstorm Warning | MPX | Freeborn, Mower | 45 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.