Alert archive / Wyoming / Severe Thunderstorm Warnings in 1995

Severe Thunderstorm Warning 36, NWS Cheyenne, WY

July 10, 1995Goshen County, Wyoming

NWS Cheyenne, WY issued this severe thunderstorm warning at Jul 10, 1995, 4:30 PM MDT for Goshen County, Wyoming. It was in force for 22 min.

The area

The counties it named.

The facts

Issued
Jul 10, 1995, 4:30 PM MDT (22:30 UTC)
Expired
Jul 10, 1995, 4:52 PM MDT
In force
22 min
Issued by
NWS Cheyenne, WY
Area
Whole counties

County Goshen County, WY

The radar

The Cheyenne radar (KCYS), 111 km from the middle of the area, began a volume at 22:30 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

The nearest sounding before it

Rapid City, SD (KRAP), launched 12:00Z, 10.5 hours before the alert went out and 251 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, Rapid City, SD at 12:00Z on 1995-07-10Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 4 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Rapid City, SD at 12:00Z on 1995-07-10The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 20 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
4 J/kg
Mixed-layer CIN
-457 J/kg
Mixed-layer LCL
2621 m above ground
0-6 km bulk shear
36 kt
0-1 km storm-relative helicity
20 m²/s²
0-3 km storm-relative helicity
229 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 102233 RRA
SVRCYS
WYC015-102300-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE CHEYENNE WY
430 PM MDT MON JUL 10 1995
 
THE NATIONAL WEATHER SERVICE IN CHEYENNE HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  500 PM MDT
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN SOUTHEAST WYOMING
 
...SOUTHEASTERN GOSHEN COUNTY
 
...THIS INCLUDES THE CITY OF HAWK SPRINGS.
 
A SEVERE THUNDERSTORM WAS OVER HAWK SPRINGS...20 MILES SOUTH OF
TORRINGTON. THIS THUNDERSTORM HAS PRODUCED WINDS OVER 75 MPH AND MAY
PRODUCE LARGE HAIL.  THE THUNDERSTORM WAS MOVING NORTHEAST AT 20 MILES
AN HOUR.
 
THIS STORM HAS A HISTORY OF DAMAGING WIND.  GO INSIDE A STURDY
BUILDING AND STAY AWAY FROM WINDOWS!
 
WCJIN-WYSE.
 
BAKER

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, Jul 10, 1:54 PM MDT, 2 hours 36 minutes before
WYZ059-060-064-065-066-067-068-069-070-NEZ001-019-020-054-102200-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE CHEYENNE WY
153 PM MDT MON JUL 10 1995

...THUNDERSTORMS CONTINUE TO DEVELOP IN SOUTHEAST WYOMING...

AT 150 PM MDT...THUNDERSTORMS CONTINUED TO DEVELOP IN SOUTHEAST WYOMING
FROM SOUTHERN ALBANY COUNTY AROUND LARAMIE TO CENTRAL CONVERSE COUNTY
NORTH OF DOUGLAS.  THE THUNDERSTORMS WERE MOVING NORTHEAST AT 15 MILES
AN HOUR.

THUNDERSTORMS WILL CONTINUE IN SOUTHEAST WYOMING THIS AFTERNOON.  KEEP
ALERT FOR THUNDERSTORMS IN YOUR AREA AND BE PREPARED TO MOVE TO SHELTER.

WCJIN-WYSE.

BAKER
Special weather statement, Jul 10, 2:04 PM MDT, 2 hours 26 minutes before
WYZ016-017-018-020-021-022-024-102200-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE CHEYENNE WY
204 PM MDT MON JUL 10 1995

...THUNDERSTORMS HAVE DEVELOPED IN SOUTHWEST WYOMING...

AT 200 PM MDT...THUNDERSTORMS HAD DEVELOPED IN SOUTHWEST WYOMING IN
SOUTHWEST SWEETWATER...EASTERN UINTA AND SOUTHEAST LINCOLN COUNTIES.
THE STRONGEST THUNDERSTORM WAS 40 MILES SOUTHWEST OF ROCK SPRINGS.
THE THUNDERSTORMS WERE MOVING NORTH AT 20 MILES AN HOUR.

THESE THUNDERSTORMS MAY PRODUCE HAIL AND STRONG GUSTY WINDS.  BE READY
TO MOVE TO SHELTER AS THESE THUNDERSTORMS APPROACH.

WCJIN-WYSW.

BAKER
Special weather statement, Jul 10, 2:06 PM MDT, 2 hours 24 minutes before
WYZ016-017-018-020-021-022-024-102200-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE CHEYENNE WY
204 PM MDT MON JUL 10 1995

...THUNDERSTORMS HAVE DEVELOPED IN SOUTHWEST WYOMING...

AT 200 PM MDT...THUNDERSTORMS HAD DEVELOPED IN SOUTHWEST WYOMING IN
SOUTHWEST SWEETWATER...EASTERN UINTA AND SOUTHEAST LINCOLN COUNTIES.
THE STRONGEST THUNDERSTORM WAS 40 MILES SOUTHWEST OF ROCK SPRINGS.
THE THUNDERSTORMS WERE MOVING NORTH AT 20 MILES AN HOUR.

THESE THUNDERSTORMS MAY PRODUCE HAIL AND STRONG GUSTY WINDS.  BE READY
TO MOVE TO SHELTER AS THESE THUNDERSTORMS APPROACH.

WCJIN-WYSW.

BAKER
Special weather statement, Jul 10, 2:55 PM MDT, 1 hour 35 minutes before
WYZ059-060-064-065-066-067-068-069-070-NEZ001-019-020-054-102300-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE CHEYENNE WY
255 PM MDT MON JUL 10 1995

...A STRONG THUNDERSTORM WAS IN NORTHERN PLATTE COUNTY...

AT 250 PM MDT...A STRONG THUNDERSTORM WAS IN NORTHERN PLATTE COUNTY
25 MILES NORTH OF WHEATLAND AND 7 MILES SOUTH OF GLENDO. THIS
THUNDERSTORM WAS MOVING EAST AT 20 MILES AN HOUR AND SHOULD MOVE NORTH
OF GUERNSEY BY 345 PM.   THIS THUNDERSTORM MAY PRODUCE UP TO HALF INCH
HAIL AND STRONG GUSTY WINDS.

WEAKER THUNDERSTORMS EXTENDED ACROSS CENTRAL AND EASTERN ALBANY COUNTY
...AND NORTHERN AND WESTERN LARAMIE COUNTY AS WELL AS SOUTHERN CONVERSE
COUNTY.

THUNDERSTORMS WILL CONTINUE ACROSS SOUTHEAST WYOMING THE REST OF THIS
AFTERNOON AND SOME WILL MOVE INTO FAR WESTERN NEBRASKA BY 500 PM.

WCJIN-WYSE.

BAKER
Special weather statement, Jul 10, 3:52 PM MDT, 38 minutes before
WYZ059-060-064-065-066-067-068-069-070-NEZ001-019-020-054-110000-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE CHEYENNE WY
352 PM MDT MON JUL 10 1995

...A STRONG THUNDERSTORM WAS IN SOUTHERN GOSHEN COUNTY...

AT 345 PM MDT...A STRONG THUNDERSTORM WAS IN SOUTHERN GOSHEN COUNTY
35 MILES SOUTHWEST OF TORRINGTON.  THIS THUNDERSTORM WAS MOVING EAST
AT 20 MILES AN HOUR AND WILL MOVE INTO THE LAGRANGE AND HAWK SPRINGS
AREA AROUND 420 PM.  THIS THUNDERSTORM HAS PRODUCED SMALL HAIL AND HAS
THE POTENTIAL TO PRODUCE UP TO HALF INCH HAIL AND STRONG GUSTY WINDS.

OTHER WEAKER THUNDERSTORMS WERE IN NORTHERN GOSHEN COUNTY AND SOUTHERN
NIOBRARA COUNTY AND WILL BE MOVING INTO EXTREME WESTERN NEBRASKA BY 430
PM.

SOUTHEAST WYOMING AND THE NEBRASKA PANHANDLE WILL EXPERIENCE STRONG
THUNDERSTORMS EARLY THIS EVENING.  BE PREPARED FOR THUNDERSTORMS AND
MOVE TO SHELTER AS THEY APPROACH.

WCJIN-WYSE.

BAKER

&
Special weather statement, Jul 10, 3:54 PM MDT, 36 minutes before
WYZ059-060-064-065-066-067-068-069-070-NEZ001-019-020-054-110000-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE CHEYENNE WY
352 PM MDT MON JUL 10 1995

...A STRONG THUNDERSTORM WAS IN SOUTHERN GOSHEN COUNTY...

AT 345 PM MDT...A STRONG THUNDERSTORM WAS IN SOUTHERN GOSHEN COUNTY
35 MILES SOUTHWEST OF TORRINGTON.  THIS THUNDERSTORM WAS MOVING EAST
AT 20 MILES AN HOUR AND WILL MOVE INTO THE LAGRANGE AND HAWK SPRINGS
AREA AROUND 420 PM.  THIS THUNDERSTORM HAS PRODUCED SMALL HAIL AND HAS
THE POTENTIAL TO PRODUCE UP TO HALF INCH HAIL AND STRONG GUSTY WINDS.

OTHER WEAKER THUNDERSTORMS WERE IN NORTHERN GOSHEN COUNTY AND SOUTHERN
NIOBRARA COUNTY AND WILL BE MOVING INTO EXTREME WESTERN NEBRASKA BY 430
PM.

SOUTHEAST WYOMING AND THE NEBRASKA PANHANDLE WILL EXPERIENCE STRONG
THUNDERSTORMS EARLY THIS EVENING.  BE PREPARED FOR THUNDERSTORMS AND
MOVE TO SHELTER AS THEY APPROACH.

WCJIN-WYSE.

BAKER

&

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; radar from the NEXRAD Level II archive.