Alert archive / Minnesota / Tornado Warnings in 1994

Tornado Warning 19, NWS Twin Cities, MN

June 30, 1994Scott County, Minnesota

NWS Twin Cities, MN issued this tornado warning at Jun 30, 1994, 8:13 PM CDT for Scott County, Minnesota. It was in force for 32 min.

The area

The counties it named.

The facts

Issued: Jun 30, 1994, 8:13 PM CDT (01:13 UTC)
Expired: Jun 30, 1994, 8:45 PM CDT
In force: 32 min
Issued by: NWS Twin Cities, MN
Area: Whole counties

County Scott County, MN

The nearest sounding before it

Minneapolis, MN (KSTC), launched 00:00Z, 1.2 hours before the alert went out and 23 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: 2237 J/kg
Mixed-layer CIN: -42 J/kg
Mixed-layer LCL: 1140 m above ground
0-6 km bulk shear: 53 kt
0-1 km storm-relative helicity: 266 m²/s²
0-3 km storm-relative helicity: 383 m²/s²
Significant tornado parameter: 4.4
Supercell composite: 12.4

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KMSP 010113
TORMSP
MNC139-010145-
 
BULLETIN - EBS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE MINNEAPOLIS MN
813 PM CDT THU JUN 30 1994
 
THE NATIONAL WEATHER SERVICE IN MINNEAPOLIS HAS ISSUED A
TORNADO WARNING EFFECTIVE UNTIL  845 PM CDT
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN EAST CENTRAL MINNESOTA
 
   ...NORTHERN SCOTT COUNTY
 
A SEVERE THUNDERSTORM WILL BE MOVING INTO NORTHERN SCOTT COUNTY BY 815
PM. THIS STORM HAS PRODUCED TORNADOES UPSTREAM NEAR WACONIA.
 
THE STORM WAS LOCATED APPROXIMATELY 15 MILES SOUTHWEST OF MINNEAPOLIS
AS OF 810 PM. MOVEMENT WAS TO THE EAST SOUTHEAST AT 20 MILES AN HOUR.
CITIES IN THE PATH INCLUDE SHAKOPEE...JORDAN...SPRING LAKE AND PRIOR
LAKE.
 
LUSSKY
 
HEAD FOR THE BASEMENT NOW!  DON'T GO OUTSIDE TO LOOK FOR THE
TORNADO...IT COULD BE BEARING DOWN ON YOUR LOCATION.  GET UNDER
SOME STURDY FURNITURE...OR UNDERNEATH A STAIRWAY TO AVOID
WIND BLOWN DEBRIS.  MOBILE HOMES SHOULD BE ABANDONED.

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 30, 7:01 PM CDT	Severe Thunderstorm Warning	MPX	Carver, Sibley	59 min
Jun 30, 7:13 PM CDT	Tornado Warning	MPX	Carver, McLeod	32 min
Jun 30, 7:22 PM CDT	Severe Thunderstorm Warning	MPX	Hennepin	68 min
Jun 30, 7:42 PM CDT	Tornado Warning	MPX	Carver	33 min
Jun 30, 7:47 PM CDT	Tornado Warning	MPX	Sibley	28 min
Jun 30, 7:54 PM CDT	Severe Thunderstorm Warning	MPX	Le Sueur, Nicollet	51 min
Jun 30, 8:21 PM CDT	Severe Thunderstorm Warning	MPX	Sibley	39 min
Jun 30, 8:22 PM CDT	Severe Thunderstorm Warning	MPX	Nicollet	68 min
Jun 30, 8:32 PM CDT	Tornado Warning	MPX	Le Sueur, Nicollet	28 min
Jun 30, 8:42 PM CDT	Severe Thunderstorm Warning	MPX	Brown	48 min
Jun 30, 8:49 PM CDT	Severe Thunderstorm Warning	MPX	Dakota, Scott	21 min
Jun 30, 8:51 PM CDT	Tornado Warning	MPX	Blue Earth, Nicollet	54 min
Jun 30, 9:41 PM CDT	Severe Thunderstorm Warning	MPX	Blue Earth, Waseca	49 min
Jun 30, 9:41 PM CDT	Severe Thunderstorm Warning	MPX	Watonwan	49 min
Jun 30, 10:19 PM CDT	Tornado Warning	MPX	Freeborn	26 min
Jun 30, 10:52 PM CDT	Severe Thunderstorm Warning	MPX	Freeborn	38 min

Nearby

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