Severe Thunderstorm Warning 5, NWS Cheyenne, WY

WYZALL-182145-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE CHEYENNE WY
130 PM MDT FRI MAY 18 1990

...THUNDERSTORMS DEVELOPING OVER WESTERN WYOMING...

AT 100 PM MDT THUNDERSTORMS CONTINUED TO FORM OVER WESTERN WYOMING.
MOST OF THE STORMS WERE IN THE SOUTHWEST QUARTER OF THE STATE. THE
THUNDERSTORMS WERE MOVING EAST AT 40 MILES AN HOUR.

SHORTLY BEFORE 100 PM MDT ROCK SPRINGS REPORTED A WIND GUST TO 37 MILES
AN HOUR DUE TO THE NEARBY THUNDERSTORMS.

THE THUNDERSTORMS WILL PRODUCE STRONG WINDS TO 50 MILES AN HOUR AND
DANGEROUS LIGHTNING...BUT VERY LITTLE IN THE WAY OF RAIN OVER THE
SOUTHERN AND CENTRAL PARTS OF THE STATE.

THE STORMS WILL EXIT FAR WESTERN WYOMING BY MID AFTERNOON AND WILL BE
EAST OF EASTERN WYOMING BY MID EVENING. UNTIL THOSE TIMES...PEOPLE
OUTDOORS IN SOUTHERN AND CENTRAL WYOMING SHOULD BE AWARE OF THE
THUNDERSTORMS AND THEIR DANGEROUS LIGHTNING AND SUDDEN...STRONG WINDS.
IF A STORM APPROACHES...TAKE BIMMEDIATE COVER AS LIGHTNING CAN BE
DEADLY.
WEILAND

WYZALL-182200-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE CHEYENNE WY
259 PM MDT FRI MAY 18 1990

...THUNDERSTORMS PRODUCING STRONG GUSTY WINDS OVER WYOMING...

AT 250 PM MDT THUNDERSTORMS CONTINUED TO OCCUR THE CENTRAL AND SOUTH
CENTRAL PART OF THE STATE.  THESE STORMS WERE MOVING EAST AT 40 MILES
MILES AN HOUR.

AT 140 PM MDT WAMSUTTER REPORTED A WIND GUST OF 50 MILES AN HOUR FROM
A THUNDERSTORM.  AT 245 PM MDT...CASPER HAD A THUNDERSTORM WIND GUST
OF 52 MILES AN HOUR.

THE THUNDERSTORMS WILL PRODUCE STRONG WINDS UP TO 55 MILES AN HOUR
ALONG WITH DANGEROUS LIGHTNING.  HOWEVER...VERY LITTLE IN THE WAY OF
RAINFALL IS EXPECTED FROM THESE STORMS.

THE THUNDERSTORMS WILL CONTINUE TO MOVE EASTWARD THROUGH THE REMAINDER
OF SOUTHERN WYOMING DURING THE AFTERNOON...THEN EXIT THE STATE BY
MID EVENING.

UNTIL THEN...PEOPLE OUTDOORS SHOULD BE AWARE OF THE DANGEROUS
LIGHTNING AND THE SUDDEN...STRONG WINDS FROM THE STORMS.  IF  A
THUNDERSTORM APPROACHES...TAKE IMMEDIATE COVER AS LIGHTNING CAN BE
DEADLY.

EKB

NEZ001-001-011-190030-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SCOTTSBLUFF NE
330 PM MDT FRI MAY 18 1990

...TORNADO WATCH UNTIL 9PM MDT FOR NEBRASKA PANHANDLE...

AT 326 PM MDT...THUNDERSTORMS WERE INTENSIFYING OVER THE WESTERN AND
NORTHERN NEBRASKA PANHANDLE INTO EASTERN WYOMING.  THE STRONGEST STORMS
WERE LOCATED 18 MILES NORTH OF SCOTTSBLUFF NEBRASKA...WITH ANOTHER ONE
55 MILES NORTHWEST OF SCOTTSBLUFF NEAR U.S. HIGHWAY 20 BETWEEN HARRISON
NEBRASKA IN SIOUX COUNTY AND LUSK WYOMING.  STORMS WERE MOVING TO THE
EAST AND NORTHEAST AROUND 25 MILES AN HOUR.

BRIEF HEAVY RAIN...STRONG WINDS AND HAIL ARE POSSIBLE WITH THESE STORMS
UNTIL 530 PM MDT AS THEY MOVE ACROSS SIOUX...SCOTTS =BLUFF...BOX BUTTE...
AND DAWES COUNTIES  OF THE NEBRASKA PANHANDLE.

BE ALERT FOR THREATENING WEATHER CONDITIONS...AND BE PREPARED TO MOVE TO
A PLACE OF SAFETY IF NECESSARY.
PFEIFFER