Alert archive / Wyoming / Tornado Warnings in 1992

Tornado Warning 1, NWS Cheyenne, WY

May 15, 1992Washakie County, Wyoming

NWS Cheyenne, WY issued this tornado warning at May 15, 1992, 6:07 PM MDT for Washakie County, Wyoming. It was in force for 38 min.

The area

The counties it named.

The facts

Issued
May 15, 1992, 6:07 PM MDT (00:07 UTC)
Expired
May 15, 1992, 6:45 PM MDT
In force
38 min
Issued by
NWS Cheyenne, WY
Area
Whole counties

County Washakie County, WY

The nearest sounding before it

Lander/Hunt Fiel, WY (KLND), launched 00:00Z, 0.1 hours before the alert went out and 146 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 00:00Z on 1992-05-16Temperature 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 00:00Z on 1992-05-16The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -68 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
1376 m above ground
0-6 km bulk shear
20 kt
0-1 km storm-relative helicity
-68 m²/s²
0-3 km storm-relative helicity
-56 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 KSHR 160007
TORSHR
WYC043-160045-
 
BULLETIN - EBS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE SHERIDAN WY
607 PM MDT FRI MAY 15 1992
 
THE NATIONAL WEATHER SERVICE IN SHERIDAN HAS ISSUED A
TORNADO WARNING EFFECTIVE UNTIL  645 PM MDT
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN NORTH CENTRAL WYOMING
 
   ...WESTERN WASHAKIE COUNTY
 
AT 6 PM MDT...A STORM SPOTTER REPORTED A TORNADO AND 1/2 INCH HAIL 23
MILES WEST OF WORLAND. THIS STORM WAS MOVING TOWARD THE EAST. PEOPLE
IN THE TOWN OF WORLAND NEED TO TAKE ACTION.
 
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 INTQERIOR ROOM
SUCH AS A CLOSET ON THE LOWEST FLOOR.  USE BLANKETS...PILLOWS...
OR CUSHIONS TO COVER YOUR BODY.  AVOID WINDOWS.
 
EVANS
NNNN

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, May 15, 2:43 PM MDT, 3 hours 24 minutes before
NEZ002-152200-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE VALENTINE NE
ISSUED BY SCOTTSBLUFF NE
243 PM MDT FRI MAY 15 1992

...TORNADO WATCH EFFECTIVE UNTIL 10 PM CDT...
...STRONG THUNDERSTORMS IN EASTERN CHERRY COUNTY...

AT 236 PM MDT...RADAR INDICATED A STRONG THUNDERSTORM JUST NORTH OF THE
CITY OF VALENTINE.  ANOTHER STORM WAS 25 MILES SOUTH OF VALENTINE.  THE
STORMS WERE MOVING EAST AROUND 20 MPH.

THE STORMS SHOULD MOVE EAST OUT OF CHERRY COUNTY BY 400 PM CDT.

BRIEF HEAVY RAIN...STRONG GUSTY WIND AND SMALL HAIL ARE POSSIBLE WITH
THESE STORMS OVER EASTERN CHERRY COUNTY UNTIL 400 PM MDT.
KYLE
Special weather statement, May 15, 2:45 PM MDT, 3 hours 22 minutes before
NEZ002-152200-

SPECIAL WEATHER STATEMENT...CORRECTION
NATIONAL WEATHER SERVICE VALENTINE NE
ISSUED BY SCOTTSBLUFF NE
243 PM MDT FRI MAY 15 1992

...TORNADO WATCH EFFECTIVE UNTIL 10 PM CDT...
...STRONG THUNDERSTORMS IN EASTERN CHERRY COUNTY...

AT 236 PM MDT...RADAR INDICATED A STRONG THUNDERSTORM JUST NORTH OF THE
CITY OF VALENTINE.  ANOTHER STORM WAS 25 MILES SOUTH OF VALENTINE.  THE
STORMS WERE MOVING EAST AROUND 20 MPH.

THE STORMS SHOULD MOVE EAST OUT OF CHERRY COUNTY BY 400 PM MDT.

BRIEF HEAVY RAIN...STRONG GUSTY WIND AND SMALL HAIL ARE POSSIBLE WITH
THESE STORMS OVER EASTERN CHERRY COUNTY UNTIL 400 PM MDT.
KYLE
Special weather statement, May 15, 3:31 PM MDT, 2 hours 36 minutes before
NEZ001-005-011-152230-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SCOTTSBLUFF NE
331 PM MDT FRI MAY 15 1992

...THUNDERSTORMS OVER THE NEBRASKA PANHANDLE...

AT 326 PM MDT...RADAR INDICATED THUNDERSTORMS OVER SOUTHERN SIOUX AND
MORRILL COUNTIES.  THE STORMS WERE 9 MILES NORTH OF SCOTTSBLUFF AND 25
MILES SOUTH OF ALLIANCE.  THE STORMS WERE MOVING EAST AROUND 20 MPH.

OTHER SHOWERS AND THUNDERSTORMS WERE OVER SCOTTS BLUFF...DEUEL AND
SIOUX COUNTIES.

BRIEF RAIN...STRONG GUSTY WINDS AND DANGEROUS LIGHTNING ARE POSSIBLE
WITH THESE STORMS OVER SIOUX AND SCOTTS BLUFF COUNTIES UNTIL 430 PM MDT.
KYLE
Special weather statement, May 15, 4:09 PM MDT, 1 hour 58 minutes before
WYZALL-160400-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE CHEYENNE WY
410 PM MDT FRI MAY 15 1992

...A SEVERE THUNDERSTORM WATCH HAS BEEN ISSUED FOR MUCH OF CENTRAL
AND NORTH CENTRAL WYOMING UNTIL 10 PM MDT...

THUNDERSTORMS HAD DEVELOPED OVER MUCH OF WYOMING THIS AFTERNOON. THE
STRONGEST STORMS WERE OVER WESTERN WYOMING.  THESE STORMS WERE MOVING
RAPIDLY TO THE EAST.  STRONG GUSTY WINDS HAD ACCOMPANIED THESE STORMS.

THUNDERSTORMS WILL CONTINUE THROUGH THE EVENING WITH THE STRONGEST
STORMS OVER CENTRAL AND NORTH CENTRAL WYOMING.  A SEVERE THUNDERSTORM
WATCH HAS BEEN ISSUED FOR THIS AREA UNTIL 10 PM MDT.  WIND GUSTS TO
70 MILES AN HOUR AND LARGE HAIL WILL BE POSSIBLE WITH A FEW OF THESE
STORMS.

STAY TUNED TO YOUR WEATHER RADIO OR LOCAL MEDIA FOR UPDATED INFORMATION
ON SEVERE THUNDERSTORM.  IF THUNDERSTORMS APPROACH TAKE SHELTER.

SCOTT
Special weather statement, May 15, 4:14 PM MDT, 1 hour 53 minutes before
WYZALL-160400-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE CHEYENNE WY
410 PM MDT FRI MAY 15 1992

...A SEVERE THUNDERSTORM WATCH HAS BEEN ISSUED FOR MUCH OF CENTRAL
AND NORTH CENTRAL WYOMING UNTIL 10 PM MDT...

THUNDERSTORMS HAD DEVELOPED OVER MUCH OF WYOMING THIS AFTERNOON. THE
STRONGEST STORMS WERE OVER WESTERN WYOMING.  THESE STORMS WERE MOVING
RAPIDLY TO THE EAST.  STRONG GUSTY WINDS HAD ACCOMPANIED THESE STORMS.

THUNDERSTORMS WILL CONTINUE THROUGH THE EVENING WITH THE STRONGEST
STORMS OVER CENTRAL AND NORTH CENTRAL WYOMING.  A SEVERE THUNDERSTORM
WATCH HAS BEEN ISSUED FOR THIS AREA UNTIL 10 PM MDT.  WIND GUSTS TO
70 MILES AN HOUR AND LARGE HAIL WILL BE POSSIBLE WITH A FEW OF THESE
STORMS.

STAY TUNED TO YOUR WEATHER RADIO OR LOCAL MEDIA FOR UPDATED INFORMATION
ON SEVERE THUNDERSTORMS.  IF THUNDERSTORMS APPROACH TAKE SHELTER.

SCOTT
Special weather statement, May 15, 4:55 PM MDT, 1 hour 12 minutes before
NEZ001-005-011-160000-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SCOTTSBLUFF NE
455 PM MDT FRI MAY 15 1992

...STRONG THUNDERSTORM OVER EAST NEBRASKA PANHANDLE...

AT 450 PM MDT...RADAR INDICATED A STRONG THUNDERSTORM OVER GARDEN COUNTY
...30 MILES SOUTHEAST OF ALLIANCE OR 25 MILES NORTH OF OSHKOSH.  THE
STORM WAS MOVING EAST AT 20 MPH.

OTHER SHOWERS AND THUNDERSTORMS WERE OVER NORTHERN SIOUX AND DAWES
COUNTIES...ALSO MOVING EAST AROUND 20 MPH.

BRIEF HEAVY RAIN...STRONG GUSTY WIND...SMALL HAIL AND DANGEROUS
LIGHTNING ARE POSSIBLE OVER GARDEN...SIOUX AND DAWES COUNTIES UNTIL
600 PM MDT.
KYLE

The office that day

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

IssuedProductOfficeCountiesLasted
May 15, 10:17 PM MDTTornado WarningCYSSweetwater13 min

Nearby

Tornado Warnings in Wyoming, 1992Every tornado warning in 1992Tornadoes in 1992

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.