Alert archive / Wyoming / Severe Thunderstorm Warnings in 1995

Severe Thunderstorm Warning 21, NWS Cheyenne, WY

June 22, 1995Laramie County, Wyoming

NWS Cheyenne, WY issued this severe thunderstorm warning at Jun 22, 1995, 4:50 PM MDT for Laramie County, Wyoming. It was in force for 45 min.

The area

The counties it named.

The facts

Issued
Jun 22, 1995, 4:50 PM MDT (22:50 UTC)
Expired
Jun 22, 1995, 5:35 PM MDT
In force
45 min
Issued by
NWS Cheyenne, WY
Area
Whole counties

County Laramie County, WY

The nearest sounding before it

Denver, CO (KDNR), launched 12:00Z, 10.8 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 1995-06-22Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 123 joules per kilogram.LCLLFCEL10008507005003002001001 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 1995-06-22The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -48 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
123 J/kg
Mixed-layer CIN
-351 J/kg
Mixed-layer LCL
1321 m above ground
0-6 km bulk shear
35 kt
0-1 km storm-relative helicity
-48 m²/s²
0-3 km storm-relative helicity
102 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.1

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
TTAA00 KCYS 222251 RRA
SVRCYS
WYC021-222330-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE CHEYENNE WY
450 PM MDT THU JUN 22 1995
 
THE NATIONAL WEATHER SERVICE IN CHEYENNE HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  535 PM MDT
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN SOUTHEAST WYOMING
 
   ...SOUTHERN LARAMIE COUNTY INCLUDING BURNS AND CARPENTER...
 
   ...THIS WARNING DOES NOT INCLUDE THE CITY OF CHEYENNE...
 
ONE INCH HAIL HAS BEEN REPORTED 3 MILES EAST OF CHEYENNE. RADAR SHOWED
THE SEVERE THUNDERSTORM EXTENDING TO 10 MILES EAST OF CHEYENNE ALONG
INTERSTATE 80. THIS THUNDERSTORM WAS MOVING EAST AT 15 MILES AN HOUR.
 
 
 
DAMAGING WINDS AND LARBGE HAIL ARE LIKELY.  GO INSIDE A STURDY
BUILDING AND STAY AWAY FROM WINDOWS!
 
WCJIN-WYSE.
 
BAKER
 
 
&

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 22, 1:41 PM MDTSevere Thunderstorm WarningCYSJohnson34 min
Jun 22, 4:11 PM MDTSevere Thunderstorm WarningCYSPlatte29 min
Jun 22, 5:35 PM MDTSevere Thunderstorm WarningCYSLaramie40 min

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.