Hail in Wyoming, June 4, 2003

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE CHEYENNE WY
307 AM MDT WED JUN 4 2003

SHORT TERM...STILL A COUPLE OF GENERALLLY WEAK WNW TO ESE ORIENTED
BANDS OF SHOWERS/FEW TSTMS OVER PARTS OF CWA EARLY THIS MORNING.
UPPER JET AXIS EXTENDS FROM NW WY INTO NERN CO. MODELS IN GOOD
AGREEMENT SHOWING A COUPLE OF SHORTWAVE TROUGHS RIDING ALONG JET
BELOW SOUTHERN SASAKATCHEWAN UPPER LOW. LOW MOVES INTO NERN MT THIS
AFTERNOON...SWRN ND WED NIGHT. COLD FRONT WILL BE MOVING ACROSS CWA
THIS AFTERNOON AND EVENING. MOIST UPSLOPE FLOW WILL BRING SCATTERED
SHOWERS AND TSTMS TO CWA...WITH LIKELY POPS IN PANHANDLE. COOL TEMPS
AND LACK OF STRONG INSTABILITY SHOULD KEEP MAIN SEVERE TSTM THREAT S
OF CWA...SPC OUTLOOK MAY BE TOO FAR N. SCATTERED SHOWERS/FEW TSTMS
WILL CONTINUE TONIGHT MAINLY SRN CWA.

LONG TERM...UNSETTLED PATTERN TO DOMINATE FROM THU THROUGH SUN. A
COUPLE OF STRONG UPPER LEVEL LOWS WILL MOVE SOUTHEAST DOWN THE
BACKSIDE OF AN UPPER LEVEL TROUGH AND WILL SERVE TO CARVE OUT A
BROAD TILTED TROUGH OVER THE CENTER OF THE COUNTRY. THE FIRST LOW
PRESSURE SYSTEM WILL MOVE OVER NORTHEASTERN WY INTO SD THU ON
NORTHWEST FLOW ALOFT. THE SECOND LOW PRESSURE SYSTEM WILL TAKE A
MORE WESTERLY TRACK AND WILL DROP DOWN INTO WY FRI NIGHT AND SAT.
MODELS PROG SYSTEM TO WEAKEN INTO AN OPEN WAVE SUN AS IT MOVES
SLOWLY EASTWARD INTO THE PLAINS. QUIETER PATTERN TO DEVELOP MON AS A
SHORTWAVE RIDGE ADVECTS OVER THE CYS FORECAST AREA. FLOW ALOFT WILL
BACK TO ZONAL TUE WITH LITTLE IN THE WAY OF DYNAMICS OR MOISTURE. AT
THE SURFACE...TEMPERATURES WILL REMAIN BELOW AVERAGE THU THROUGH SAT
BEFORE REBOUNDING SUN THROUGH TUE. UPSLOPE FLOW WILL INTERACT WITH
AMPLE MOISTURE TO WARRANT SCATTERED POPS THU THROUGH SAT. UPSLOPE
AND MOISTURE WILL WEAKEN SUN BUT SOME PRECIPITATION COULD STILL
OCCUR. MON AND TUE LOOK TO BE DRY.

.CYS...
WY...NONE.
NE...NONE.

NEZ001>003-019>021-054-055-WYZ059>070-051200-

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE CHEYENNE WY
600 AM MDT WED JUN 4 2003

THIS HAZARDOUS WEATHER OUTLOOK IS FOR SOUTHEASTERN WYOMING AND THE
WESTERN NEBRASKA PANHANDLE.

.DAY ONE...TODAY AND TONIGHT

SCATTERED THUNDERSTORMS WILL DEVELOP THIS AFTERNOON OVER THE
REGION.  SOME OF THE STORMS EAST OF THE LARAMIE MOUNTAIN RANGE COULD
BECOME STRONG WITH SOME HAIL AND GUSTY WINDS.

.DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY

SCATTERED SHOWERS AND AFTERNOON THUNDERSTORMS WILL OCCUR AGAIN
THURSDAY THROUGH SUNDAY.  DRIER WEATHER CONDITIONS WILL RETURN FOR
MONDAY AND TUESDAY.

.SPOTTER INFORMATION STATEMENT...

THERE IS A SLIM CHANCE THAT SPOTTER ACTIVATION MAY BE REQUIRED LATE
THIS AFTERNOON AND EARLY THIS EVENING OVER EXTREME SOUTHEAST WYOMING
AND THE FAR SOUTHERN PART OF THE PANHANDLE.