Alert archive / Minnesota / Tornado Warnings in 1993

Tornado Warning 20, NWS Twin Cities, MN

July 7, 1993Rice County, Minnesota

NWS Twin Cities, MN issued this tornado warning at Jul 7, 1993, 2:43 PM CDT for Rice County, Minnesota. It was in force for 32 min.

The area

The counties it named.

The facts

Issued
Jul 7, 1993, 2:43 PM CDT (19:43 UTC)
Expired
Jul 7, 1993, 3:15 PM CDT
In force
32 min
Issued by
NWS Twin Cities, MN
Area
Whole counties

County Rice County, MN

The nearest sounding before it

Minneapolis, MN (KSTC), launched 12:00Z, 7.7 hours before the alert went out and 60 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 1993-07-07Temperature 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 1993-07-07The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 50 square meters per square second.1939587897Sfc1 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
976 m above ground
0-6 km bulk shear
30 kt
0-1 km storm-relative helicity
50 m²/s²
0-3 km storm-relative helicity
112 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 071944
TORRST
MNC131-072015-
 
BULLETIN - EBS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE ROCHESTER MN
243 PM CDT WED JUL 7 1993
 
THE NATIONAL WEATHER SERVICE IN ROCHESTER MN HAS ISSUED A
TORNADO WARNING EFFECTIVE UNTIL  315 PM CDT
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN SOUTH CENTRAL MINNESOTA
 
   ...EASTERN RICE COUNTY
 
AT 240 PM A TORNADO WAS REPORTED 5 MILES WEST OF FARIBAULT MOVING
NORTHEAST AT 30 MPH.
 
SOME CITIES IN THE PATH OF THIS TORNADO ARE
FARIBAULT...BRIDGEWATER...AND NORTHFIELD.
 
IF YOU ARE IN THE PATH OF A TORNADO...THE SAFEST PLACE IS A
BASEMENT.  GET UNDER A WORKBENCH OR STAIRWAY TO AVOID COLLAPSING
WALLS.  IF NO BASEMENT IS AVAILABLE...SEEK SHELTER IN hA CENTRAL
ROOM SUCH AS A CLOSET OR BATHROOM ON THE LOWEST FLOOR.
USE BLANKETS...PILLOWS...OR CUSHIONS TO COVER YOUR BODY.
 
 
 
&

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 7, 2:50 PM CDTSevere Thunderstorm WarningMPXDakota, Scott40 min
Jul 7, 3:28 PM CDTTornado WarningMPXAnoka, Ramsey32 min

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.