Alert archive / Minnesota / Tornado Warnings in 1994

Tornado Warning 33, NWS Twin Cities, MN

August 7, 1994Renville County, Minnesota

NWS Twin Cities, MN issued this tornado warning at Aug 7, 1994, 5:47 PM CDT for Renville County, Minnesota. It was in force for 28 min. 1 report came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued
Aug 7, 1994, 5:47 PM CDT (22:47 UTC)
Expired
Aug 7, 1994, 6:15 PM CDT
In force
28 min
Issued by
NWS Twin Cities, MN
Area
Whole counties

County Renville County, MN

What was reported inside it

TimeReportWhereRemark
Aug 7, 6:22 PM CDTTornado F0Fairfax, MNA tornado touched briefly mear Fairfax and reportedly did no damage.

NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in. Storm Data before 1996 records only tornadoes, thunderstorm wind and hail.

The nearest sounding before it

Minneapolis, MN (KSTC), launched 12:00Z, 10.8 hours before the alert went out and 107 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 1994-08-07Temperature 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°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Minneapolis, MN at 12:00Z on 1994-08-07The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 75 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1220 m above ground
0-6 km bulk shear
34 kt
0-1 km storm-relative helicity
75 m²/s²
0-3 km storm-relative helicity
171 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 072247
TORMSP
MNC129-072315-
 
BULLETIN - EBS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE MINNEAPOLIS MN
547 PM CDT SUN AUG 7 1994
 
THE NATIONAL WEATHER SERVICE IN MINNEAPOLIS HAS ISSUED A
TORNADO WARNING EFFECTIVE UNTIL  615 PM CDT
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN CENTRAL MINNESOTA
 
   ...EASTERN RENVILLE COUNTY
 
AT 545 PM RADAR INDICATED A TORNADO ABOUT 5 MILES NORTH OF OLIVIA.
EARLIER TORNADO WAS SIGHTED WITH THIS STORM IN KANDIYOHI COUNTY.
 
SOME TOWNS IN THE PATH INCLUDED OLIVIA...HECTOR AND CHURCHILL.
 
 
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 AVAIL8ABLE...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.
 
 
SCOTT
&

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 7, 4:44 PM CDTSevere Thunderstorm WarningMPXMille Lacs61 min
Aug 7, 5:12 PM CDTSevere Thunderstorm WarningMPXMeeker63 min
Aug 7, 5:17 PM CDTSevere Thunderstorm WarningMPXYellow Medicine43 min
Aug 7, 5:27 PM CDTSevere Thunderstorm WarningMPXRedwood48 min
Aug 7, 5:40 PM CDTTornado WarningMPXKandiyohi35 min
Aug 7, 6:22 PM CDTSevere Thunderstorm WarningMPXRenville38 min
Aug 7, 6:35 PM CDTSevere Thunderstorm WarningMPXRedwood25 min
Aug 7, 6:44 PM CDTSevere Thunderstorm WarningMPXBrown, Nicollet31 min
Aug 7, 6:54 PM CDTSevere Thunderstorm WarningMPXScott, Sibley36 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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.