Alert archive / Minnesota / Tornado Warnings in 1993

Tornado Warning 26, NWS Twin Cities, MN

July 19, 1993Le Sueur County, Minnesota

NWS Twin Cities, MN issued this tornado warning at Jul 19, 1993, 1:40 AM CDT for Le Sueur County, Minnesota. It was in force for 20 min.

The area

The counties it named.

The facts

Issued: Jul 19, 1993, 1:40 AM CDT (06:40 UTC)
Expired: Jul 19, 1993, 2:00 AM CDT
In force: 20 min
Issued by: NWS Twin Cities, MN
Area: Whole counties

County Le Sueur County, MN

The nearest sounding before it

Minneapolis, MN (KSTC), launched 00:00Z, 6.7 hours before the alert went out and 54 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 461 J/kg
Mixed-layer CIN: -50 J/kg
Mixed-layer LCL: 1382 m above ground
0-6 km bulk shear: 50 kt
0-1 km storm-relative helicity: 30 m²/s²
0-3 km storm-relative helicity: 154 m²/s²
Significant tornado parameter: 0.1
Supercell composite: 0.7

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KRST 190643
TORRST
MNC079-190700-
 
BULLETIN - EBS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE ROCHESTER MN
140 AM CDT MON JUL 19 1993
 
THE NATIONAL WEATHER SERVICE IN ROCHESTER MN HAS ISSUED A
TORNADO WARNING EFFECTIVE UNTIL  200 AM CDT
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN SOUTH CENTRAL MINNESOTA
 
   ...LE SUEUR COUNTY
 
AT 125 AM...A TORNADO WAS REPORTED 2 MILES SOUTH OF THE CITY OF
CLEVELAND...OR 15 MILES NORTHEAST OF MANKATO.  IT WAS MOVING TO
THE EAST AT 35 MPH.
 
SOME CITIES AND TOWNS IN THE PATH OF THIS TORNADO INCLUDE...LE CENTER
AND KILKENNY.
 
 
THIS IS A DANGEROUS SITUATION.  ACT QUICKLY.  IF YOU ARE IN THE
PATH OF THIS TORNADO MOVE TO A BASEMENT AND GET UNDER SOxME 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
&

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 18, 11:01 PM CDT	Severe Thunderstorm Warning	MPX	Chippewa	44 min
Jul 18, 11:36 PM CDT	Tornado Warning	MPX	Redwood, Renville	54 min
Jul 19, 12:08 AM CDT	Tornado Warning	MPX	Redwood, Renville	52 min
Jul 19, 12:20 AM CDT	Tornado Warning	MPX	Brown	25 min
Jul 19, 12:41 AM CDT	Tornado Warning	MPX	Brown, Nicollet	34 min
Jul 19, 12:44 AM CDT	Severe Thunderstorm Warning	MPX	Sibley	46 min
Jul 19, 2:03 AM CDT	Tornado Warning	MPX	Rice	27 min

Nearby

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