Alert archive / Minnesota / Tornado Warnings in 1993

Tornado Warning 18, NWS Twin Cities, MN

July 3, 1993Pope County, Minnesota

NWS Twin Cities, MN issued this tornado warning at Jul 3, 1993, 11:02 PM CDT for Pope County, Minnesota. It was in force for 28 min.

The area

The counties it named.

The facts

Issued
Jul 3, 1993, 11:02 PM CDT (04:02 UTC)
Expired
Jul 3, 1993, 11:30 PM CDT
In force
28 min
Issued by
NWS Twin Cities, MN
Area
Whole counties

County Pope County, MN

The nearest sounding before it

Minneapolis, MN (KSTC), launched 00:00Z, 4.0 hours before the alert went out and 166 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 00:00Z on 1993-07-04Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 20 joules per kilogram.LCLLFCEL10008507005003002001001 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 00:00Z on 1993-07-04The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 279 square meters per square second.193958Sfc1 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
20 J/kg
Mixed-layer CIN
-475 J/kg
Mixed-layer LCL
1349 m above ground
0-6 km bulk shear
40 kt
0-1 km storm-relative helicity
279 m²/s²
0-3 km storm-relative helicity
599 m²/s²
Significant tornado parameter
0.0
Supercell composite
16.3

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KSTC 040402
TORSTC
MNC121-040430-
 
BULLETIN - EBS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE ST CLOUD MINNESOTA
1102 PM CDT SAT JUL 3 1993
 
THE NATIONAL WEATHER SERVICE IN ST CLOUD MINNESOTA  HAS ISSUED A
TORNADO WARNING EFFECTIVE UNTIL 1130 PM CDT
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN CENTRAL MINNESOTA
 
   ...POPE COUNTY
 
A SEVERE THUNDERSTORM CONTINUES IN WESTERN POPE COUNTY NEAR CYRUS. THIS
THUNDERSTORM HAS PRODUCED TORNADOES. IT IS MOVING NORTHEAST AT 25 MILES
AN HOUR. IT WILL MOVE TOWARD THE TOWNS OF STARBUCK...LOWRY...GLENWOOD
AND CYRUS.
 
IF YOU ARE CAUGHT OUTSIDE...SEEK SHELTER IN A NEARBY REINFORCED
BUILDING.  AS A LAST RESORT...SEEK SHELTER IN A CULVERT...DITCH
OR LOW SPOT AND COVER YOUR HEAD WITH YOUR HANDS.
 
 
 
NNNN

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 3, 8:57 PM CDTSevere Thunderstorm WarningMPXBig Stone63 min
Jul 3, 10:38 PM CDTTornado WarningMPXPope22 min
Jul 3, 11:33 PM CDTTornado WarningMPXPope27 min
Jul 3, 11:58 PM CDTSevere Thunderstorm WarningMPXRedwood, Renville25 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.