Alert archive / Wyoming / Tornado Warnings in 1994

Tornado Warning 16, NWS Cheyenne, WY

July 16, 1994Albany County, Wyoming

NWS Cheyenne, WY issued this tornado warning at Jul 16, 1994, 3:20 PM MDT for Albany County, Wyoming. It was in force for 25 min.

The area

The counties it named.

The facts

Issued
Jul 16, 1994, 3:20 PM MDT (21:20 UTC)
Expired
Jul 16, 1994, 3:45 PM MDT
In force
25 min
Issued by
NWS Cheyenne, WY
Area
Whole counties

County Albany County, WY

The nearest sounding before it

Lander/Hunt Fiel, WY (KLND), launched 12:00Z, 9.3 hours before the alert went out and 277 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, Lander/Hunt Fiel, WY at 12:00Z on 1994-07-16Temperature 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, Lander/Hunt Fiel, WY at 12:00Z on 1994-07-16The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -75 square meters per square second.19395878Sfc1 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
1474 m above ground
0-6 km bulk shear
30 kt
0-1 km storm-relative helicity
-75 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 KCYS 162124
TORCYS
WYC001-162145-
 
BULLETIN - EBS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE CHEYENNE WY
320 PM MDT SAT JUL 16 1994
 
THE NATIONAL WEATHER SERVICE IN CHEYENNE HAS ISSUED A
TORNADO WARNING EFFECTIVE UNTIL  345 PM MDT
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN SOUTHEAST WYOMING
 
   ...SOUTHEASTERN ALBANY COUNTY
 
...THIS WARNING DOES NOT INCLUDE THE CITY OF LARAMIE OR ANY OTHER
TOWNS...
 
AT 320 PM...WEATHER SERVICE RADAR WAS INDICATING A TORNADO 7 MILES
SOUTHWEST OF BUFORD OR 20 MILES SOUTHEAST OF LARAMIE.  THIS TORNADO
WAS JUST NORTH OF HIGHWAY 287.  MOVEMENT WAS SOUTHEAST AT 25 MPH.
IF DRIVING ON HIGHWAY 287...PULL OVER AND SEEK SHELTER NOW.
 
IF YOU ARE CAUGHT OUTSIDE...SEEK SHELTER IN A NEARBY REINFORCED
BUILDING.  AS A LAST RESORT...SEEK SHELTER IN A CULVERT...DITCH
OR LOW SPOT AND COVER YOUR HEAD WITH YOUR HANDS.
 
 
WCJIN-WYSE
EVANS

What forecasters said that day

The local office's own words before this tornado warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

In the hours before

Special weather statement, Jul 16, 10:08 AM MDT, 5 hours 12 minutes before
WYZ059-060-064-066>070-161900-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE CHEYENNE WY
1008 AM MDT SAT JUL 16 1994

...QUITE STRONG THUNDERSTORMS TO AGAIN ERUPT OVER EAST-CENTRAL AND
SOUTHEAST WYOMING...

A MOIST AND VERY UNSTABLE AIRMASS WILL AGAIN PREVAIL OVER EAST-CENTRAL
AND SOUTHEAST WYOMING TODAY AND INTO THIS EVENING.  THE AREA OF
GREATEST CONCERN EXTENDS FROM A DOUGLAS TO LUSK LINE SOUTH TO THE
COLORADO BORDER...AND FROM THE LARAMIE RANGE EAST TO THE NEBRASKA
BORDER.  THIS INCLUDES...CONVERSE...NIOBRARA...PLATTE...GOSHEN AND
LARAMIE COUNTIES.

QUITE STRONG TO POSSIBLY SEVERE THUNDERSTORMS MAY DEVELOP IN THE EAST
CENTRAL AND SOUTHEAST PARTS THIS AFTERNOON.  VERY HEAVY RAIN...LARGE
HAIL AND DAMAGING WINDS COULD OCCUR WITH THE STRONGEST STORMS.
<
PEOPLE IN EAST-CENTRAL AND SOUTHEAST WYOMING SHOULD REMAIN ALERT TO
THE APPROACH OF THREATENING WEATHER TODAY AND INTO EARLY EVENING.  BE
PREPARED TO MOVE TO SAFETY QUICKLY IF THE NEED ARISES.  LISTEN FOR
LATER STATEMENTS AND POSSIBLE WATCHES OR WARNINGS.

WCJIN-WYNE-WYSE
COX
Special weather statement, Jul 16, 1:28 PM MDT, 1 hour 52 minutes before
NEZ005-162030-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SCOTTSBLUFF NE
125 PM MDT SAT JUL 16 1994

AT 125 PM MDT THUNDERSTORMS WERE SPREAD ACROSS THE SOUTHERN HALF OF
CHERRY COUNTY IN NORTHCENTRAL NEBRASKA.  THE STRONGEST STORM WAS 45
MILES SOUTH OF MERRIMAN...OR 70 MILES SOUTHWEST OF VALENTINE NEBRASKA
IN NORTHCENTRAL NEBRASKA.  THESE STORMS WERE MOVING TO THE SOUTHEAST
AT 30 MILES AN HOUR.

SOME OF THESE STORMS MAY CONTAIN SMALL HAIL.j..GUSTY WINDS...DEADLY
LIGHTNING AND HEAVY RAIN ACROSS SOUTHERN CHERRY  COUNTY UNTIL 230 PM
MDT.
KIRK
Special weather statement, Jul 16, 1:30 PM MDT, 1 hour 50 minutes before
NEZ005-162030-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE VALENTINE NE
ISSUED BY SCOTTSBLUFF, NE
125 PM MDT SAT JUL 16 1994

AT 125 PM MDT THUNDERSTORMS WERE SPREAD ACROSS THE SOUTHERN HALF OF
CHERRY COUNTY IN NORTHCENTRAL NEBRASKA.  THE STRONGEST STORM WAS 45
MILES SOUTH OF MERRIMAN...OR 70 MILES SOUTHWEST OF VALENTINE NEBRASKA
IN NORTHCENTRAL NEBRASKA.  THESE STORMS WERE MOVING TO THE SOUTHEAST
AT 30 MILES AN HOUR.

SOME OF THESE STORMxS MAY CONTAIN SMALL HAIL...GUSTY WINDS...DEADLY
LIGHTNING AND HEAVY RAIN ACROSS SOUTHERN CHERRY  COUNTY UNTIL 230 PM
MDT.
KIRK
Special weather statement, Jul 16, 1:31 PM MDT, 1 hour 49 minutes before
NEZ005-162030-

SPECIAL WEATHER STATEMENT...CORRECTED
NATIONAL WEATHER SERVICE VALENTINE NE
ISSUED BY SCOTTSBLUFF, NE
130 PM MDT SAT JUL 16 1994

AT 128 PM MDT THUNDERSTORMS WERE SPREAD ACROSS THE SOUTHERN HALF OF
CHERRY COUNTY IN NORTHCENTRAL NEBRASKA.  THE STRONGEST STORM WAS 45
MILES SOUTH OF MERRIMAN...OR 70 MILES SOUTHWEST OF VALENTINE NEBRASKA
IN NORTHCENTRAL NEBRASKA.  THESE STORMS WERE MOVING TO THE SOUTHEAST
AT 30 MILES AN HOUR.

SOME OF THESE STORMS MAY CONTAIN SMALL HAIL...GUSTY WINDS...DEADLY
LIGHTNING AND HEAVY RAIN ACROSS SOUTHERN CHERRY  COUNTY UNTIL 230 PM
MDT.
KIRK
Local storm report, Jul 16, 1:40 PM MDT, 1 hour 40 minutes before
STORM REPORT
NATIONAL WEATHER SERVICE SCOTTSBLUFF NE
140 PM MDT SAT JUL 16 1994

TIME         EVENT

 852 AM MDT  SPOTTER REPORTED .25 TO .50 (PEA TO MARBLE) SIZED HAIL FOUR
             (4) MILES NORTHWEST OF ALLIANCE NE COVERING THE GROUND.
 935 AM MDT  ALLIANCE POLICE REPORTED ONE (1) TO TWO (2) INCHES OF HAIL
             ON THE GROUND TWO (2) MILES NORTHEAST OF ALLIANCE.  HAIL
             RANGED IN SIZE FROM MARBLE TO GOLFBAL (.50 TO 1.75) SIZE.

 955 AM MDT  THE PUBLIC REPORTED PEA TO MARBLE (.25 TO .50) SIZE HAIL
             18 TO 20 MILES SOUTHWEST OF ALLIANCE.
KIRK

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 16, 2:05 PM MDTSevere Thunderstorm WarningCYSAlbany25 min
Jul 16, 2:26 PM MDTSevere Thunderstorm WarningCYSLaramie49 min
Jul 16, 3:08 PM MDTSevere Thunderstorm WarningCYSAlbany, Laramie52 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.