Alert archive / Minnesota / Severe Thunderstorm Warnings in 1993
Severe Thunderstorm Warning 8, NWS Twin Cities, MN
NWS Twin Cities, MN issued this severe thunderstorm warning at May 27, 1993, 7:31 PM CDT for Winona County, Minnesota. It was in force for 29 min.
The area
The counties it named.
The facts
- Issued
- May 27, 1993, 7:31 PM CDT (00:31 UTC)
- Expired
- May 27, 1993, 8:00 PM CDT
- In force
- 29 min
- Issued by
- NWS Twin Cities, MN
- Area
- Whole counties
County Winona County, MN
The nearest sounding before it
Minneapolis, MN (KSTC), launched 00:00Z, 0.5 hours before the alert went out and 174 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 724 m above ground
- 0-6 km bulk shear
- 32 kt
- 0-1 km storm-relative helicity
- -29 m²/s²
- 0-3 km storm-relative helicity
- 81 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KRST 280033 RRA SVRRST MNC169-280100- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE ROCHESTER MN 731 PM CDT THU MAY 27 1993 THE NATIONAL WEATHER SERVICE IN ROCHESTER MN HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 800 PM CDT FOR PEOPLE IN THE FOLLOWING LOCATION... IN SOUTHEAST MINNESOTA ...SOUTHEASTERN WINONA COUNTY A SEVERE THUNDERSTORM WAS INDICATED BY RADAR IN SOUTHEAST WINONA COUTNY ABOUT 10 MILES SOUTH OF WINONA. IT WAS MOVING TO THE EAST AT 25 MPH. SOME CITIES AND TOWNS IN THE PATH OF THIS STORM ARE WINONA...RIDGEWAY...NODINE AND ALSO BOATERS ALONG THE MISSISSIPPI RIVER BETWEEN WINONA AND LA CROSSE. PEOPLE IN THE AFFEFCTED AREA SHOULD TAKE SHELTER IN A STRONG BUILDING. DAMAGING WIND...LARGE HAIL...VERY HEAVY RAIN AND DEADLY LIGHTNING ARE ALL POSSIBLE. STAY AWAY FROM WINDOWS. MOTORISTS SHOULD GET OFF THE ROAD AND FIND A SAFE SHELTER.
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
Special weather statement, May 27, 6:42 PM CDT, 49 minutes before
WIZ003-006-MNZALL-280045- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MINNEAPOLIS MN 642 PM CDT THU MAY 27 1993 ...STRONG THUNDERSTORMS OVER WEST CENTRAL WISCONSIN... STRONG THUNDERSTORMS WITH VERY HEAVY RAINFALL WERE OCCURRING OVER EXTREME EASTERN WINONA COUNTY OF SOUTHEAST MINNESOTA...AND EXTENDED INTO BUFFALO...TREMPEALEAU...JACKSON...AND CLARK COUNTIES OF WEST CENTRAL WISCONSIN AT 630 PM. THEY EXTENDED FROM MINNESOTA CITY...ALONG THE MISSISSIPPI RIVER...TO NEAR BLAIR WISCONSIN AND FAIRCHILD. WHILE NO SEVERE WEATHER HAS BEEN REPORTED WITH THESE STORMS...THEY ARE STILL CAPABLE OF PRODUCING LARGE DAMAGING HAIL...STRONG GUSTY WINDS... EXTREMELY HEAVY RAINFALL...AND FREQUENT DEADLY LIGHTNING. PERSONS ENGAGED IN OUTDOOR ACTIVITIES SHOULD BE READY TO SEEK SAFE SHELTER. MOVEMENT WAS TO THE EAST AT 40 TO 45 MILES AN HOUR. DLK
Special weather statement, May 27, 6:43 PM CDT, 48 minutes before
WIZ003-006-MNZALL-280045- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MINNEAPOLIS MN 642 PM CDT THU MAY 27 1993 ...STRONG THUNDERSTORMS OVER WEST CENTRAL WISCONSIN... STRONG THUNDERSTORMS WITH VERY HEAVY RAINFALL WERE OCCURRING OVER EXTREME EASTERN WINONA COUNTY OF SOUTHEAST MINNESOTA...AND EXTENDED INTO BUFFALO...TREMPEALEAU...JACKSON...AND CLARK COUNTIES OF WEST CENTRAL WISCONSIN AT 630 PM. THEY EXTENDED FROM MINNESOTA CITY...ALONG THE MISSISSIPPI RIVER...TO NEAR BLAIR WISCONSIN AND FAIRCHILD. WHILE NO SEVERE WEATHER HAS BEEN REPORTED WITH THESE STORMS...THEY ARE STILL CAPABLE OF PRODUCING LARGE DAMAGING HAIL...STRONG GUSTY WINDS... EXTREMELY HEAVY RAINFALL...AND FREQUENT DEADLY LIGHTNING. PERSONS ENGAGED IN OUTDOOR ACTIVITIES SHOULD BE READY TO SEEK SAFE SHELTER. MOVEMENT WAS TO THE EAST AT 40 TO 45 MILES AN HOUR. DLK
Nearby
Severe Thunderstorm Warnings in Minnesota, 1993Every severe thunderstorm warning in 1993
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.