Alert archive / Minnesota / Tornado Warnings in 1994

Tornado Warning 42, NWS Twin Cities, MN

September 21, 1994Anoka County, Ramsey County, Minnesota

NWS Twin Cities, MN issued this tornado warning at Sep 21, 1994, 4:12 PM CDT for Anoka County, Ramsey County, Minnesota. It was in force for 48 min.

The area

The counties it named.

The facts

Issued
Sep 21, 1994, 4:12 PM CDT (21:12 UTC)
Expired
Sep 21, 1994, 5:00 PM CDT
In force
48 min
Issued by
NWS Twin Cities, MN
Area
Whole counties

Counties Anoka County, MN, Ramsey County, MN

The nearest sounding before it

Minneapolis, MN (KSTC), launched 12:00Z, 9.2 hours before the alert went out and 47 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 1994-09-21Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 49 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 12:00Z on 1994-09-21The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 53 square meters per square second.1939Sfc1 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
49 J/kg
Mixed-layer CIN
-104 J/kg
Mixed-layer LCL
834 m above ground
0-6 km bulk shear
19 kt
0-1 km storm-relative helicity
53 m²/s²
0-3 km storm-relative helicity
93 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 212116
TORMSP
MNC003-123-212200-
 
BULLETIN - EBS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE MINNEAPOLIS MN
412 PM CDT WED SEP 21 1994
 
THE NATIONAL WEATHER SERVICE IN MINNEAPOLIS HAS ISSUED A
TORNADO WARNING EFFECTIVE UNTIL  500 PM CDT
FOR PEOPLE IN THE FOLLOWING LOCATIONS...
 
IN EAST CENTRAL MINNESOTA
 
   ...SOUTHERN ANOKA COUNTY...RAMSEY COUNTY
 
AT 410 PM SPOTTERS REPORTED A FUNNEL ASSOCIATED WITH A STRONG
THUNDERSTORM IN SOUTHERN ANOKA COUNTY...NEAR BLAINE...OR 10 MILES
NORTH OF MINNEAPLOLIS. THIS POTENTIALLY TORNADIC STORM IS MOVING
TO THE EAST NORTHEAST AT 25 MILES AN HOUR.
 
TOWNS IN THE PATH OF THIS STORM INCLUDE LINO LAKES...CIRCLE PINES...
WHITE BEAR LAKE AND MOUNDS VIEW.
 
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.
 
LUSSKY
&

The office that day

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

IssuedProductOfficeCountiesLasted
Sep 21, 3:19 PM CDTSevere Thunderstorm WarningMPXBlue Earth, Martin41 min
Sep 21, 4:00 PM CDTSevere Thunderstorm WarningMPXBlue Earth, Faribault60 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.