Severe Thunderstorm Warning 49, NWS Cheyenne, WY

WYZ012-016-017-151945-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE CHEYENNE WY
1245 PM MDT FRI JUN 15 1990

A FEW THUNDERSTORMS HAD DEVELOPED OVER SOUTHEAST WYOMING AS OF 1230 PM
MDT.  THE STRONGEST STORM WAS NEAR CHUGWATER OR SOME 40 MILES NORTH OF
CHEYENNE.

ALL OF THE THUNDERSTORMS WERE MOVING NORTHEAST AROUND 25 MILES AN HOUR.

THUNDERSTORMS WILL CONTINUE TO DEVELOP OVER SOUTHEAST WYOMING DURING
THE AFTERNOON.  DUE TO A MOIST AND UNSTABLE AIR MASS...SOME OF THESE
COULD BECOME SEVERE PRODUCING HAIL...STRONG WINDS AND DEADLY LIGHTNING.

PEOPLE IN SOUTHEAST WYOMING SHOULD BE ALERT FOR THUNDERSTORM
DEVELOPMENT THIS AFTERNOON AND EVENING.  KEEP AN EYE ON THE SKY AND
BE READY T1O SEEK A SAFE PLACE SHOULD THREATENING WEATHER APPROACH.

HATTEN

WYZ012-016-017-152045-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE CHEYENNE WY
145 PM MDT FRI JUN 15 1990

...A TORNADO WATCH IS IN EFFECT FOR THE SOUTHEAST CORNER OF WYOMING...

A TORNADO WATCH HAS BEEN ISSUED FOR THE SOUTHEAST BORDER AREA OF
WYOMING FROM 200 PM MDT TO 800 PM MDT. A TORNADO WATCH MEANS CONDITIONS
ARE FAVORABLE FOR TORNADOES.

AT 145 PM MDT SCATTERED THUNDERSTORMS CONTINUED TO DEVELOP IN SOUTHEAST
WYOMING. THE STRONGEST CELL WAS OVER CHUGWATER WHICH IS ABOUT 40 MILES
NORTH OF CHEYENNE. ANOTHER RAPIDLY GROWING CELL WAS JUST TO THE EAST
OF THE CITY OF CHEYENNE. THE STORMS WERE MOVING NORTHEAST AT 25 MILES
AN HOUR.

PEOPLE IN SOUTHEAST WYOMING SHOULD BE ALERT FOR SEVERE THUNDERSTORM
DEVELOPMENT THIS AFTERNOON AND EVENING. SEVERE THUNDERSTORMS CAN
PRODUCE TORNADOES WITH LITTLE ADVANCE WARNING.  KEEP AN EYE ON THE SKY
AND BE READY TO SEEK SHELTER IF THREATENING CONDITIONS ARE SIGHTED.
CAS

WYZ012-016-017-152055-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE CHEYENNE WY
225 PM MDT FRI JUN 15 1990

...HALF-INCH HAIL HAS BEEN REPORTED AT CHUGWATER...

AT 225 PM MDT SCATTERED THUNDERSTORMS CONTINUED OVER SOUTHEAST PLATTE...
SOUTH GOSHEN...AND EAST LARMIE COUNTIES OF SOUTHEAST WYOMING.
AT 200 PM MDT THE HIGHWAY DEPARTMENT IN CHUGWATER REPORTED HALF-INCH
HAIL AND MODERATE RAIN AS THE THUNDERSTORM PASSED DIRECTLY OVER THEM.
CHUGWATER IS 40 MILES NORTH OF CHEYENNE.

ANOTHER CELL JUST EAST OF CHEYENNE...NEAR HILLSDALE WILL LIKELY
PRODUCE PEA TO MARBLE SIZED HAIL...LOCALLY HEAVY RAIN AND GUSTY
WINDS AROUND 40 MILES AND HOUR.

THE THUNDERSTORMS WERE MOVING NORTHEAST AT 15 MILES AN HOUR.

A TORNADO WATCH REMAINS IN EFFECT FOR THE SOUTHEAST BORDER AREA OF
WYOMING UNTIL 900 PM MDT. SEVERE THUNDERSTORMS CAN AND OCCASIONALLY
DO PRODUCE TORNADOES. PEOPLE ARE URGED TO KEEP A CLOSE EYE ON THE
SKY AND BE PREPARED TO SEEK SHELTER IF THREATENING WEATHER APPROACHES.
CAS

WYZ012-017-152120-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE CHEYENNE WY
250 PM MDT FRI JUN 15 1990

...A LINE OF THUNDERSTORMS IS JUST EAST OF CHUGWATER...

AT 245 PM MDT A LINE OF STORNG THUNDERSTORMS RAN FROM ABOUT 20 MILES
NORTH OF CHEYENNE IN LARAMIE COUNTY TO ABOUT 25 MILES SOUTHEAST OF
WHEATLAND IN SOUTH GOSHEN COUNTY. NO REPORTS OF SEVERE WEATHER HAVE
BEEN RECEIVED. HOWEVER...BASED ON PREVIOUS REPORTS AND RADAR...HAIL
OF ONE HALF INCH OR LARGER...LOCALLY HEAVY RAIN...AND WIND GUSTS
TO AROUND 45 MILES AN HOUR ARE POSSIBLE.

THE TOWNS OF VETERAN AND YODER ARE IN THE PATH OF THIS THUNDERSTORM.
THESE TWO TOWNS ARE ABOUT 20 MILES SOUTHWEST OF TORRINGTON IN SOUTH
GOSHEN COUNTY.

THE LINE OF THUNDERSTORMS WAS MOVING VERY SLOWLY EAST AT AROUND
5 MILES AN HOUR. THIS MAY PRODCUE LOCALIZED FLOODING OF SECONDARY
ROADS AND SMALL DRAINAGES.

A TORNADO WATCH REMAINS IN EFFECT FOR SOUTHEAST WYOMING UNTIL 900 PM
MDT.
CAS


WYZ012-017-160100-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE CHEYENNE WY
600 PM MDT FRI JUN 15 1990

...STRONG THUNDERSTORMS IN EASTERN LARAMIE COUNTY HAVE MOVED INTO
THE NEBRASKA PANHANDLE...

AT 600 PM...THE STRONG THUNDERSTORMS WHICH PRODUCED SEVERAL FUNNEL
CLOUDS...TENNIS BALL SIZED HAIL...AND HEAVY RAIN HAVE MOVED INTO
THE NEBRASKA PANHANDLE.  THESE STORMS CONTINUE TO MOVE EAST AT
20 MILES AN HOUR.

A TORNADO WATCH REMAINS IN EFFECT FOR MUCH OF SOUTHEAST WYOMING
UNTIL 800 PM MDT.  THOSE OF YOU IN THE WATCH AREA SHOULD BE ALERT
FOR THUNDERSTORMS WHICH CAN PRODUCE LARGE HAIL...STRONG WINDS...
HEAVY RAIN...AND TORNADOS.

IF YOU SEE THREATENING WEATHER...SEEK SHELTER IMME=DIATELY.  ALSO...
BE ALERT FOR LOCALIZED FLOODING AND DO NOT ATTEMPT TO CROSS FLOODED
ROADWAYS.

DJV