Alert archive / Minnesota / Tornado Warnings in 1994

Tornado Warning 25, NWS Twin Cities, MN

July 7, 1994Carver County, Scott County, Sibley County, Minnesota

NWS Twin Cities, MN issued this tornado warning at Jul 7, 1994, 4:29 PM CDT for Carver County, Scott County, Sibley County, Minnesota. It was in force for 46 min.

The area

The counties it named.

The facts

Issued
Jul 7, 1994, 4:29 PM CDT (21:29 UTC)
Expired
Jul 7, 1994, 5:15 PM CDT
In force
46 min
Issued by
NWS Twin Cities, MN
Area
Whole counties

Counties Carver County, MN, Scott County, MN, Sibley County, MN

The nearest sounding before it

Aberdeen, SD (KHON), launched 12:00Z, 9.5 hours before the alert went out and 359 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, Aberdeen, SD at 12:00Z on 1994-07-07Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1 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, Aberdeen, SD at 12:00Z on 1994-07-07The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 103 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
1 J/kg
Mixed-layer CIN
-10 J/kg
Mixed-layer LCL
542 m above ground
0-6 km bulk shear
44 kt
0-1 km storm-relative helicity
103 m²/s²
0-3 km storm-relative helicity
203 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 KMSP 072128
TORMSP
MNC143-019-139-072215-
 
BULLETIN - EBS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE MINNEAPOLIS MN
429 PM CDT THU JUL 7 1994
 
THE NATIONAL WEATHER SERVICE IN MINNEAPOLIS HAS ISSUED A
TORNADO WARNING EFFECTIVE UNTIL  515 PM CDT
FOR PEOPLE IN THE FOLLOWING LOCATIONS...
 
IN CENTRAL MINNESOTA
 
   ...EASTERN SIBLEY COUNTY
 
IN EAST CENTRAL MINNESOTA
 
   ...SOUTHERN CARVER COUNTY...WESTERN SCOTT COUNTY
 
AT 425 PM...RADAR INDICATED A POSSIBLE TORNADO NEAR GREEN ISLE IN SIBLEY
COUNTY...WHICH IS 30 MILES SOUTHWEST OF DOWNTOWN MINNEAPOLIS.
 
 
THIS DANGEROUS STORM IS MOVING NORTHEAST TOWARD BLAKELEY...EAST UNION...
AND BELLE PLAINE.
 
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 A CENTRAL
ROOM SUCH AS A CLOSET OR BATHROOM ON THE LOWEST FLOOR.
USE BLANKETS...PILLOWS...OR CUSHIONS TO COVER YOUR BODY.
 
ERICKSEN

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 7, 3:09 PM CDTTornado WarningMPXWabasha, Winona36 min
Jul 7, 3:20 PM CDTTornado WarningMPXKandiyohi, Meeker25 min
Jul 7, 3:31 PM CDTSevere Thunderstorm WarningMPXMcLeod44 min
Jul 7, 3:41 PM CDTSevere Thunderstorm WarningMPXBlue Earth, Le Sueur, Nicollet34 min
Jul 7, 3:59 PM CDTSevere Thunderstorm WarningMPXSibley61 min
Jul 7, 4:14 PM CDTSevere Thunderstorm WarningMPXCarver, Scott61 min
Jul 7, 4:14 PM CDTSevere Thunderstorm WarningMPXMcLeod61 min
Jul 7, 4:20 PM CDTSevere Thunderstorm WarningMPXBlue Earth, Le Sueur, Nicollet40 min
Jul 7, 4:50 PM CDTTornado WarningMPXCarver25 min
Jul 7, 5:08 PM CDTSevere Thunderstorm WarningMPXSherburne52 min

Nearby

Tornado Warnings in Minnesota, 1994Every tornado warning in 1994Tornadoes in 1994

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.