Alert archive / Wyoming / Severe Thunderstorm Warnings in 1995

Severe Thunderstorm Warning 2, NWS Cheyenne, WY

June 2, 1995Albany County, Laramie County, Wyoming

NWS Cheyenne, WY issued this severe thunderstorm warning at Jun 2, 1995, 5:53 PM MDT for Albany County, Laramie County, Wyoming. It was in force for 67 min.

The area

The counties it named.

The facts

Issued
Jun 2, 1995, 5:53 PM MDT (23:53 UTC)
Expired
Jun 2, 1995, 7:00 PM MDT
In force
67 min
Issued by
NWS Cheyenne, WY
Area
Whole counties

Counties Albany County, WY, Laramie County, WY

The nearest sounding before it

Denver, CO (KDNR), launched 12:00Z, 11.9 hours before the alert went out and 245 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 1995-06-02Temperature 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 1995-06-02The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -2 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
2027 m above ground
0-6 km bulk shear
16 kt
0-1 km storm-relative helicity
-2 m²/s²
0-3 km storm-relative helicity
30 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 022355 RRA
SVRCYS
WYC001-021-030100-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE CHEYENNE WY
553 PM MDT FRI JUN 2 1995
 
THE NATIONAL WEATHER SERVICE IN CHEYENNE HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  700 PM MDT
FOR PEOPLE IN THE FOLLOWING LOCATIONS...
 
IN SOUTHEAST WYOMING
 
   ...SOUTHEASTERN ALBANY COUNTY...LARAMIE COUNTY
 
RADAR SHOWED A LINE OF SEVERE THUNDERSTORMS FROM THE SOUTHEAST
CORNER OF LARAMIE NEAR CARPENTER NORTHWEST TO HORSE CREEK. THE
THUNDERSTORMS WERE MOVING TO THE NORTHWEST AT 20 MILES AN HOUR.
LARGE HAIL...HEAVY RAIN...STRONG GUSTY WINDS AND DANGEROUS
LIGHTNING ARE POSSIBLE WITH SOME OF THESE STORMS.
 
 
WHEN SEVERE WEATHREATENS GO INSIDE A STURDY BUILDING AND STAY
AWAY FROM WINDOWS.
 
WCJIN-WYSE
PAL

What forecasters said that day

The local office's own words before this severe thunderstorm 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, Jun 2, 12:32 PM MDT, 5 hours 21 minutes before
WYZ015-018-020>025-059>070-022000-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE CHEYENNE WY
1233 PM MDT FRI JUN 2 1995

...THUNDERSTORMS WERE STARTING TO FORM OVER SOUTHERN WYOMING...

A FEW THUNDERSTORMS HAD ALREADY DEVELOPED OVER SOUTHERN WYOMING EARLY
THIS AFTERNOON.  MORE NUMEROUS THUNDERSTORMS WERE MOVING NORTH FROM
NORTHEAST UTAH AND NORTHERN COLORADO.

AT 1225 PM MDT...THE STRONGEST THUNDERSTORM WAS IN THE EVANSTON AREA.
HEAVY RAIN AND GUSTY WINDS WERE OCCURRING WITH THIS STORM.

THUNDERSTORMS WILL CONTINUE TO DEVELOP AND INCREASE IN NUMBER OVER
SOUTHERN WYOMING THIS AFTERNOON.  SINCE THE AIR MASS IS MOIST AND
UNSTABLE...SOME OF THE STORMS MAY BECOME QUITE STRONG.

IF YOU ARE IN SOUTHERN WYOMING THIS AFTERNOON...YOU SHOULD KEEP AN EYE
ON THE SKY FOR THUNDERSTORMS.  BE PREPARED TO SEEK SHELTER SHOULD A
STORM APPROACH YOUR AREA.

WCJIN-WYSW-WYSE-WYNE

JLH
Special weather statement, Jun 2, 12:33 PM MDT, 5 hours 20 minutes before
WYZ015-018-020>025-059>070-022000-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE CHEYENNE WY
1233 PM MDT FRI JUN 2 1995

...THUNDERSTORMS WERE STARTING TO FORM OVER SOUTHERN WYOMING...

A FEW THUNDERSTORMS HAD ALREADY DEVELOPED OVER SOUTHERN WYOMING EARLY
THIS AFTERNOON.  MORE NUMEROUS THUNDERSTORMS WERE MOVING NORTH FROM
NORTHEAST UTAH AND NORTHERN COLORADO.

AT 1225 PM MDT...THE STRONGEST THUNDERSTORM WAS IN THE EVANSTON AREA.
HEAVY RAIN AND GUSTY WINDS WERE OCCURRING WITH THIS STORM.

THUNDERSTORMS WILL CONTINUE TO DEVELOP AND INCREASE IN NUMBER OVER
SOUTHERN WYOMING THIS AFTERNOON.  SINCE THE AIR MASS IS MOIST AND
UNSTABLE...SOME OF THE STORMS MAY BECOME QUITE STRONG.

IF YOU ARE IN SOUTHERN WYOMING THIS AFTERNOON...YOU SHOULD KEEP AN EYE
ON THE SKY FOR THUNDERSTORMS.  BE PREPARED TO SEEK SHELTER SHOULD A
STORM APPROACH YOUR AREA.

WCJIN-WYSW-WYSE-WYNE

JLH
Special weather statement, Jun 2, 4:30 PM MDT, 1 hour 23 minutes before
WYZ070-NEZ-054-055-030030-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE CHEYENNE WY
430 PM MDT FRI JUN 2 1995

...STRONG THUNDERSTORMS IN NORTHEST COLORADO MOVING NORTH TOWARDS
SOUTHEAST LARAMIE COUNTY WYOMING ALSO KIMBALL AND CHEYENNE COUNTIES
OF THE NEBRASKA PANHANDLE...

RADAR SHOWED STRONG THUNDERSTORMS ABOUT 15 MILES SOUTH OF THE SOUTHEAST
CORNER OF WYOMING AND THE SOUTHERN END OF THE NEBRASKA PANHANDLE.
THE THUNDERSTORMS WERE MOVING NORTH AT 15 MILES AN HOUR.   COUNTIES
THREATENED BY THESE STORNG STORMS ARE SOUTHEAST LARAMIE COUNTY OF
SOUTHEAST WYOMING...KIMBALL AND CHEYENNE COUNTIES OF THE NEBRASKA
PANHANDLE.

HAIL...BRIEF HEAVY RAINS...STRONG GUSTY WINDS AND DANGEROUS LIGHTNING
CAN BE EXPECTED FROM THESE THUNDERSTORMS.

WYCJIN-WYSE
PAL
Special weather statement, Jun 2, 4:55 PM MDT, 58 minutes before
WYZ069-030030-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE CHEYENNE WY
455 PM MDT FRI JUN 2 1995

...STRONG THUNDERSTORMS MOVING NORTH INTO SOUTHEAST WYMING...

RADAR SHOWED STRONG THUNDERSTORMS MOVING NORTH INTO SOUTHEAST WYOMING.
THE THUNDERSTORM THAT DEVELOPED OVER THE CITY OF CHEYENNE AT 450 PM
PRODUCED SMALL HAIL OF ONE QUARTER OF AN INCH IN DIAMETER AND HEAVY
RAIN.

OTHER STORNG THUNDERSTORMS IN NORTHEAST COLORADO CONTINUED TO MOVE TO
THE NORTH AT 15 MILES AN HOUR.

WYCJIN-WYSE

PAL
Special weather statement, Jun 2, 4:58 PM MDT, 55 minutes before
WYZ069-030030-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE CHEYENNE WY
455 PM MDT FRI JUN 2 1995

...STRONG THUNDERSTORMS MOVING NORTH INTO SOUTHEAST WYMING...

RADAR SHOWED STRONG THUNDERSTORMS MOVING NORTH INTO SOUTHEAST WYOMING.
THE THUNDERSTORM THAT DEVELOPED OVER THE CITY OF CHEYENNE AT 450 PM
PRODUCED SMALL HAIL OF ONE QUARTER OF AN INCH IN DIAMETER AND HEAVY
RAIN.

OTHER STORNG THUNDERSTORMS IN NORTHEAST COLORADO CONTINUED TO MOVE vTO
THE NORTH AT 15 MILES AN HOUR.

WYCJIN-WYSE

PAL

Nearby

Severe Thunderstorm Warnings in Wyoming, 1995Every severe thunderstorm warning in 1995

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.