Alert archive / Wyoming / Tornado Warnings in 1994

Tornado Warning 9, NWS Cheyenne, WY

June 12, 1994Laramie County, Wyoming

NWS Cheyenne, WY issued this tornado warning at Jun 12, 1994, 1:31 PM MDT for Laramie County, Wyoming. It was in force for 44 min.

The area

The counties it named.

The facts

Issued
Jun 12, 1994, 1:31 PM MDT (19:31 UTC)
Expired
Jun 12, 1994, 2:15 PM MDT
In force
44 min
Issued by
NWS Cheyenne, WY
Area
Whole counties

County Laramie County, WY

The nearest sounding before it

Denver, CO (KDEN), launched 12:00Z, 7.5 hours before the alert went out and 202 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, Denver, CO at 12:00Z on 1994-06-12Temperature 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 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Denver, CO at 12:00Z on 1994-06-12The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 86 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
3350 m above ground
0-6 km bulk shear
29 kt
0-1 km storm-relative helicity
86 m²/s²
0-3 km storm-relative helicity
154 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 KCYS 121936
TORCYS
WYC021-122015-
 
BULLETIN - EBS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE CHEYENNE WY
131 PM MDT SUN JUN 12 1994
 
THE NATIONAL WEATHER SERVICE IN CHEYENNE HAS ISSUED A
TORNADO WARNING EFFECTIVE UNTIL  215 PM MDT
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN SOUTHEAST WYOMING
 
   ...EASTERN LARAMIE COUNTY
 
...THIS INCLUDES THE TOWNS BURNS AND EGBERT...
 
AT 130 PM...A SHERIFF DEPUTY REPORTED TWO FUNNEL CLOUDS 5 MILES
NORTHEAST OF CHRISTIANSON ROAD.  MOVEMENT WAS EAST AT 25 MPH.
PEOPLE IN THE PATH OF THIS STORN NEED TO SEEK SHELTER IMMEDIATELY!
 
THIS WARNING REPLACES THE SEVERE THUNDERSTORM WARNING FROM LARAMIE
COUNTY.
 
IF YOU ARE IN THE PATH OF A TORNADO...THE SAFEST PLACE IS A
BASEMENT.  GET UNDER A WORKBENCH OR PIECE OF STURDY FURNITURE.
IF NO BASEMENT IS AVAILABLE...SEEK SHELTER IN AN INTERIOR ROOM
SUCH AS A CLOSET ON THE LOWEST FLOOR.  USE BLANKETS...PILLOWS...
OR CUSHIONS TO COVER YOUR BODY.  AVOID WINDOWS.
 
 
WCJIN-WYSE
EVANS

The office that day

Everything else NWS Cheyenne, WY issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jun 12, 12:56 PM MDTSevere Thunderstorm WarningCYSLaramie25 min

Nearby

Tornado Warnings in Wyoming, 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.