Alert archive / Wyoming / Severe Thunderstorm Warnings in 1995
Severe Thunderstorm Warning 48, NWS Cheyenne, WY
NWS Cheyenne, WY issued this severe thunderstorm warning at Jul 29, 1995, 7:17 PM MDT for Sweetwater County, Wyoming. It was in force for 58 min.
The area
The counties it named.
The facts
- Issued
- Jul 29, 1995, 7:17 PM MDT (01:17 UTC)
- Expired
- Jul 29, 1995, 8:15 PM MDT
- In force
- 58 min
- Issued by
- NWS Cheyenne, WY
- Area
- Whole counties
County Sweetwater County, WY
The nearest sounding before it
Lander/Hunt Fiel, WY (KLND), launched 00:00Z, 1.3 hours before the alert went out and 130 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.
- Mixed-layer CAPE
- 466 J/kg
- Mixed-layer CIN
- -14 J/kg
- Mixed-layer LCL
- 3948 m above ground
- 0-6 km bulk shear
- 35 kt
- 0-1 km storm-relative helicity
- 96 m²/s²
- 0-3 km storm-relative helicity
- 117 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 1.6
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KCYS 300119 SVRCYS WYC037-300215- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE CHEYENNE WY 717 PM MDT SAT JUL 29 1995 THE NATIONAL WEATHER SERVICE IN CHEYENNE HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 815 PM MDT FOR PEOPLE IN THE FOLLOWING LOCATION... IN SOUTHWEST WYOMING ...NORTH-CENTRAL AND NORTHEASTERN SWEETWATER COUNTY AROUND 705PM A WIND GUST TO 64 MILES AN HOUR WAS LOGGED WITH A THUNDERSTORM AT THE ROCK SPRINGS AIRPORT. THE SEVERE THUNDERSTORM HAD MOVED NORTHEAST OF ROCK SPRINGS AT 35 MILES AN HOUR. THIS WARNING INCLUDES RELIANCE AND SUPERIOR BUT NOT THE CITY OF ROCK SPRINGS. THIS STORM HAS A HISTORY OF DAMAGING dWIND. GO INSIDE A STURDY BUILDING AND STAY AWAY FROM WINDOWS! WCJIN-WYSW COX &
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 29, 6:42 PM MDT, 35 minutes before
WYZ001-002-003-004-006-007-016-017-300145- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE CHEYENNE WY 642 PM MDT SAT JUL 29 1995 A SEVERE THUNDERSTORM WATCH HAS BEEN POSTED FOR NORTHWEST WYOMING UNTIL MIDNIGHT THIS EVENING. THE WATCH INCLUDES PARK...TETON...AND NORTHERN LINCOLN COUNTIES AS WELL AS YELLOWSTONE NATIONAL PARK. SOME CITIES/TOWNS AFFECTED ARE AFTON...JACKSON...MAMMOTH/HOT SPRINGS AND CODY. AT 630PM RADAR AND LIGHTNING DETECTION DEVICES SHOWED SCATTERED THUNDERSTORMS OVER SOUTHEAST IDAHO. THESE STORMS WERE MOVING TOWARD THE WESTERN BORDER OF WYOMING. SOME OF THE IDAHO STORMS PRODUCED DAMAGING WINDS THIS AFTERNOON. PEOPLE IN THE WATCH AREA SHOULD REMAIN ALERT TO THE APPROACH OF FAST MOVING THUNDERSTORMS. BE PREPARED TO MOVE TO A SAFE PLACE QUICKLY IN THE NEED ARISES. WCJIN-WYNW COX
Special weather statement, Jul 29, 6:44 PM MDT, 33 minutes before
WYZ001-002-003-004-006-007-016-017-300145- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE CHEYENNE WY 642 PM MDT SAT JUL 29 1995 A SEVERE THUNDERSTORM WATCH HAS BEEN POSTED FOR NORTHWEST WYOMING UNTIL MIDNIGHT THIS EVENING. THE WATCH INCLUDES PARK...TETON...AND NORTHERN LINCOLN COUNTIES AS WELL AS YELLOWSTONE NATIONAL PARK. SOME CITIES/TOWNS AFFECTED ARE AFTON...JACKSON...MAMMOTH/HOT SPRINGS AND CODY. AT 630PM RADAR AND LIGHTNING DETECTION DEVICES SHOWED SCATTERED THUNDERSTORMS OVER SOUTHEAST IDAHO. THESE STORMS WERE MOVING TOWARD THE WESTERN BORDER OF WYOMING. SOME OF THE IDAHO STORMS PRODUCED DAMAGING WINDS THIS AFTERNOON. PEOPLE IN THE WATCH AREA SHOULD REMAIN ALERT TO THE APPROACH OF FAST MOVING THUNDERSTORMS. BE PREPARED TO MOVE TO A SAFE PLACE QUICKLY IN THE NEED ARISES. WCJIN-WYNW COX
The office that day
Everything else NWS Cheyenne, WY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 30, 3:30 PM MDT | Severe Thunderstorm Warning | CYS | Albany | 45 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.