Alert archive / Minnesota / Tornado Warnings in 1993

Tornado Warning 28, NWS Twin Cities, MN

July 27, 1993Winona County, Minnesota

NWS Twin Cities, MN issued this tornado warning at Jul 27, 1993, 4:56 PM CDT for Winona County, Minnesota. It was in force for 19 min.

The area

The counties it named.

The facts

Issued
Jul 27, 1993, 4:56 PM CDT (21:56 UTC)
Expired
Jul 27, 1993, 5:15 PM CDT
In force
19 min
Issued by
NWS Twin Cities, MN
Area
Whole counties

County Winona County, MN

The nearest sounding before it

Minneapolis, MN (KSTC), launched 12:00Z, 9.9 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.

Skew-T log-pSkew-T log-p diagram, Minneapolis, MN at 12:00Z on 1993-07-27Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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 1993-07-27The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 132 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
895 m above ground
0-6 km bulk shear
25 kt
0-1 km storm-relative helicity
132 m²/s²
0-3 km storm-relative helicity
237 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KRST 272157
TORRST
MNC169-272215-
 
BULLETIN - EBS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE ROCHESTER MN
456 PM CDT TUE JUL 27 1993
 
THE NATIONAL WEATHER SERVICE IN ROCHESTER MN HAS ISSUED A
TORNADO WARNING EFFECTIVE UNTIL  515 PM CDT
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN SOUTHEAST MINNESOTA
 
   ...WINONA COUNTY
 
A TORNADO WAS REPORTED TO HAVE TOUCHED DOWN NEAR ALTURA...15
MILES WEST OF WINONA. ALSO A FUNNEL CLOUD WAS REPORTED NEAR
LEWISTON...13 MILES SOUTHWEST OF WINONA.
 
SOME CITIES AND TOWNS IN THE PATH OF THIS TORNDADO PRODUCING STORM
INCLUDING MINNESOTA CITY AND WINONA.
 
THIS IS A DANGEROUS SITUATION.  ACT QUICKLY.  IF YOU ARE IN THE
PATH OF THIS TORNADO MOVE TO A BASEMENT AND GET UNDER SOME STURDY
FURNITURE OR A WORKBENCH.  IF NO BASEMENT IS AVAILABLE...GO TO A
SMALL INTERIOR ROOM ON THE LOWEST FLOOR.  AVOID WINDOWS.  ABANDON
CARS AND MOBILE HOMES.
 
 
TESKE
&

Nearby

Tornado Warnings in Minnesota, 1993Every tornado warning in 1993Tornadoes 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.