999 
FXUS65 KSLC 102219
AFDSLC
UTAH AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE SALT LAKE CITY UTAH
300 PM MST WED MAR 10 1999

WEST COAST WEATHER SYSTEM APPROACHING UTAH THIS AFTERNOON. SHORTWAVE 
NORTH-SOUTH ALONG 125W WILL ROTATE NORTHEASTWARD ACROSS THE GREAT 
BASIN TONIGHT. THIS SYSTEM A WEAK UPPER-LEVEL FRONT WITH SOME WARM 
ADVECTION GOING ON AT LOW LEVELS.  MOSTLY VIRGA FROM THIS SYSTEM 
OVERNIGHT. FOR THURSDAY...UPPER LEVEL LOW FORMING NEAR 40N/130W 
PROGGED TO MOVE EAST ALONG THE UTAH/ARIZONA BORDER DURING THE 
AFTERNOON AND EVENING WITH AN ASSOCIATED JET AFFECTING THE SOUTHEAST 
CORNER OF THE STATE. LOOKING FOR SHOWERS STATEWIDE AS THE ENTIRE 
UPPER LEVEL TROUGH MOVES ACROSS. HOWEVER MOUNTAIN-TOP FLOW WILL BE 
LIGHT AND OROGRAPHICS MINIMAL. AIRMASS WILL DESTABILIZE STATEWIDE AS 
THE TROUGH MOVES ACROSS...BUT BEST DYNAMICS FOR LIFT WILL BE ALONG 
THE SOUTHERN BORDER NEAR THE TRACK OF THE UPPER LEVEL LOW. WILL 
FORECAST A CHANCE OF THUNDERSTORMS TOMORROW AFTERNOON UNDERNEATH 
THAT LOW.

EXTENDED...SATURDAY THROUGH MONDAY...MEDIUM RANGE MODELS IN GOOD 
AGREEMENT ADVERTISING A TREND TO MORE MERIDIONAL PATTERN...BLOCKY 
SLOW MOVING SYSTEMS ON OUR SIDE OF THE NH. LOOKS DRY WITH A RIDGE 
OVER US THROUGH THE PERIOD WITH A SPRING-LIKE TEMPERATURE TREND.

SLC 1651 CDC 2651   GIBSON

.SLC...NONE.