Severe Thunderstorm Warning 40, NWS Cheyenne, WY

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE CHEYENNE WY
330 PM MDT WED JUL 12 1989

...THUNDERSTORMS DEVELOP OVER WYOMING THIS AFTERNOON...

WIDESPREAD THUNDERSTORMS DEVELOPED OVER WYOMING THIS AFTERNOON. MOST
OF THE STORMS WERE CONCENTRATED OVER NORTHWEST WYOMING...FROM THE
YELLOWSTONE NATIONAL PARK TO THE BIG HORN MOUNTAINS. HOWEVER...
THUNDERSTORMS ALSO OCCURRED OVER SOUTHWEST WYOMING...THE WIND RIVER
MOUNTAINS...AND THE NORTHEAST PLAINS.

SOME OF THESE STORMS PRODUCED WIND GUSTS IN EXCESS OF 35 MILES AN
HOUR. A THUNDERSTORM ALSO PRODUCED A WIND GUST TO 51 MILES AN HOUR
AT CODY EARLIER THIS AFTERNOON.

SHOWERS AND THUNDERSTORMS WILL CONTINUE OVER THE STATE THROUGH MOST
OF TONIGHT...ALTHOUGH THEY WILL DECREASE OVER THE SOUTHERN HALF OF THE
STATE AFTER SUNSET. THESE STORMS ARE CAPABLE OF PRODUCING BRIEF
HEAVY RAIN AND FREQUENT LIGHTNING.
>
MENTZER

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE CHEYENNE WY
500 PM MDT WED JUL 12 1989

...A FEW STRONG THUNDERSTORMS HAD DEVELOPED IN SOUTHWEST WYOMING
   AT 5 PM...

WEATHER RADAR AND LIGHTNING STRIKE SENSORS SHOWED THAT THE STRONGEST
STORMS WERE LOCATED NEAR THE TOWN OF GREEN RIVER AND SOUTH NEAR THE
FLAMING GORGE RESERVOIR.  THE STORMS WERE MOVING NORTH AT ABOUT 20
MILES AN HOUR.

PEOPLE IN THE WESTERN PART OF SWEETWATER COUNTY...ESPECIALLY NEAR
GREEN RIVER...SHOULD BE PREPARED FOR THUNDERSTORMS PRODUCING GUSTY
WINDS...BRIEF HEAVY RAIN...DEADLY LIGHTNING...AND POSSIBLY SOME
SMALL HAIL UNTIL 630 PM.

DASELER