Severe Thunderstorm Warning 25, NWS Cheyenne, WY

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE CHEYENNE WY
200 PM MDT WED JUN 9 2004

.SHORT TERM...TNGT AND THU...THE CWA IS UNDER A SLIGHT RISK FOR SVR
TSTMS THIS EVENG. A DEEP UPPR LVL COLD TROF OVR CEN CA IS EXPECTED
TO FILL AND DRIFT TO WRN WY BY THU PM. IN ADVANCE OF THE TROF
UPSLOPE LOW LEVEL WINDS WILL CONTINUE TO PUMP MOISTURE INTO THE CWA
TONIGHT. SAT PIX ATTM SHOW RAPID EROSION OF THE LOW LVL CLDS AND FOG
IN SE WY AND WRN NE WITH SFC DWPNTS GREATER THAN 60 FEEDING INTO THE
NE PNHLD. PCPN WATER IS ABOUT 150 PCNT OF NORMAL. PROJECTED CAPE AND
LI WILL BE SUFFICIENT FOR SVR WX INTO EVENING HRS TNGT MAINLY
EXTREME SE WY AND INTO THE NE PNHDL. THE PROBLEM WILL BE GETTING
SUFFICIENT SFC HEATING WED AFTERNOON. A COLD FRONT ASSOCIATED WITH
THE UPPR LEVEL LOW WILL MOV THRU SE WY BY THU AM BRINGING DOWNSLOPE
SW-NW SFC WINDS AND LESS OF A THREAT FOR TSTMS ACROSS SE WY THU.
THERE WILL REMAIN A RISK FOR SVR TSTMS THE ERN PORTIONS OF THE NE
PNHDL AGAIN THU PM. SLIGHTLY COOLER ACROSS THE CWA THU AND WINDY IN
OPEN AREAS WEST OF THE FRONT.

.LONG TERM...BREEZY DOWNSLOPE WINDS ACROSS THE CWA FRIDAY WILL LIMIT
THE THUNDERSTORM THREAT.  THE CONVERGENCE AREA SHOULD MOVE EAST INTO
CENTRAL NE.  THE ASSOCIATED SLOW MOVING UPPER LOW WILL GENERATE
SHOWERS AND THUNDERSTORMS ACROSS NORTHERN AND WESTERN WYOMING FRIDAY
AND OVER SOUTHERN WYOMING AND THE SOUTHERN NE PANHANDLE SATURDAY
AFTERNOON THROUGH SUNDAY AFTERNOON.  A STRONG UPPER RIDGE BUILDS
OVER THE ROCKY MOUNTAINS MONDAY THOUGH THE REMAINDER OF THE WEEK.
THE MAJORITY OF THE PRECIPITATION WILL BE CONFINED TO THE SOUTH OF
WYOMING AND NEBRASKA...GENERALLY KANSAS...COLORADO...AND NEW
MEXICO.

.CYS WATCHES/WARNINGS/ADVISORIES...
WY...NONE.
NE...NONE.

WTP-ST/DCC-LT

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE CHEYENNE WY
926 AM MDT WED JUN 9 2004

NEZ001>003-019>021-054-055-WYZ059>070-101105-
BANNER-BOX BUTTE-CHEYENNE-CHEYENNE FOOTHILLS-CONVERSE-DAWES-GOSHEN-
KIMBALL-LARAMIE RANGE-LARAMIE VALLEY-MORRILL-NIOBRARA-NORTH CARBON-
NORTH LARAMIE RANGE-PINE BLUFFS-PLATTE-SCOTTS BLUFF-SIOUX-
SNOWY RANGE-SOUTHWEST CARBON-
INCLUDING THE CITIES OF...ALLIANCE...CHADRON...CHEYENNE...DOUGLAS...
KIMBALL...LARAMIE...LUSK...RAWLINS...SCOTTSBLUFF...SIDNEY...
TORRINGTON AND WHEATLAND
926 AM MDT WED JUN 9 2004

.DAY ONE...TODAY AND TONIGHT

THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS THIS AFTERNOON AND
EVENING ACROSS MUCH OF THE AREA.

WIDELY SCATTERED THUNDERSTORMS WILL DEVELOP THIS AFTERNOON AND
CONTINUE INTO THIS EVENING ACROSS MUCH OF THE AREA...ESPECIALLY EAST
OF THE LARAMIE RANGE.  THE MAIN THREAT WITH THE THUNDERSTORMS WILL BE
LARGE HAIL AND GUSTY WINDS.

.DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY

A CHANCE OF THUNDERSTORMS CAN BE EXPECTED ON SUNDAY...ACROSS
SOUTHEAST WYOMING AND THE WESTERN NEBRASKA PANHANDLE.

.SPOTTER ACTIVATION STATEMENT...SPOTTER ACTIVATION WILL BE LIKELY
THIS AFTERNOON AND EVENING...ESPECIALLY ACROSS SOUTHEAST WYOMING AND
THE NEBRASKA PANHANDLE.

WTP

TORNADO WATCH SAFETY STATEMENT
NATIONAL WEATHER SERVICE CHEYENNE WY
155PM MDT WED JUN 9 2004

THE NATIONAL WEATHER SERVICE HAS ISSUED A TORNADO WATCH FOR PARTS OF
SOUTHEAST WYOMING AND THE WESTERN NEBRASKA PANHANDLE.

A TORNADO WATCH MEANS THAT WEATHER CONDITIONS ARE FAVORABLE FOR
THUNDERSTORMS PRODUCING TORNADOES TO FORM WITHIN THE WATCH AREA
DURING THE SPECIFIED TIME PERIOD.

NOW IS THE TIME TO PREPARE IN THE EVENT A TORNADO FORMS OVER YOUR
AREA.  BE SURE TO KNOW THE SAFEST INTERIOR SHELTER AND THE BEST
ROUTE TO THAT SHELTER.  WHEN A WARNING IS ISSUED...GO TO THAT
SHELTER RIGHT AWAY.  A SAFE SHELTER SHOULD BE AN INTERIOR PORTION OF
A BUILDING...AN AREA WITH AS MANY WALLS AS POSSIBLE...AND AWAY FROM
ALL WINDOWS.

IF CAUGHT OUTSIDE OR IN A VEHICLE...BE PREPARED TO SEEK A LOW
LYING AREA AND OUT OF THE CAR IF A TORNADO FORMS NEAR YOUR LOCATION.
KNOW THE LOCATION OF YOUR FAMILY AND HAVE A WAY TO CONTACT THEM IN
THE EVENT OF A TORNADO.  ALSO...MAKE SURE TO HAVE ACCESS TO A
BATTERY POWERED RADIO TO TAKE WITH YOU IN YOUR SAFE SHELTER.

STAY TUNED TO NOAA WEATHER RADIO OR OTHER LOCAL RADIO OR TELEVISION
STATIONS ON THE DEVELOPING POSSIBLE TORNADO EVENT.

WTP

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE CHEYENNE WY
654 PM MDT WED JUN 9 2004

NEZ001-019-020-054-055-WYZ059-060-063>070-100200-
BANNER-CHEYENNE-CHEYENNE FOOTHILLS-CONVERSE-GOSHEN-KIMBALL-
LARAMIE RANGE-LARAMIE VALLEY-NIOBRARA-NORTH LARAMIE RANGE-
PINE BLUFFS-PLATTE-SCOTTS BLUFF-SIOUX-SNOWY RANGE-
INCLUDING THE CITIES OF...CHEYENNE...DOUGLAS...KIMBALL...LARAMIE...
LUSK...SCOTTSBLUFF...SIDNEY...TORRINGTON AND WHEATLAND
654 PM MDT WED JUN 9 2004

...TORNADO WATCH CANCELLED FOR PORTIONS OF SOUTHEAST WYOMING AND THE
WESTERN NEBRASKA PANHANDLE...

THE TORNADO WATCH HAS BEEN CANCELLED. SHOWERS AND THUNDERSTORMS ARE
EXPECTED THROUGH THE NIGHT...BUT THESE ARE NOT EXPECTED TO BECOME
SEVERE.

AN EXCEPTION IS IN THE WESTERN NEBRASKA PANHANDLE COUNTIES OF
CHEYENNE...MORRILL...AND BOX BUTTE...WHERE A SEVERE THUNDERSTORM
WATCH IS IN EFFECT UNTIL 11 PM MDT.