183 
FXUS65 KBOI 190931
AFDBOI

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE BOISE ID
331 AM MDT TUE MAR 19 2013

.SHORT TERM...TODAY THROUGH WEDNESDAY...WARMER TODAY AND MORE SUN
ACROSS CENTRAL IDAHO. AN APPROACHING WARM FRONT WILL LIFT FROM
NEVADA THIS MORNING ACROSS OREGON AND FAR SW IDAHO LATE THIS
AFTERNOON. MOIST SW FLOW ALOFT AHEAD OF THE NEXT STRONG PACIFIC
COLD FRONT...WILL PRODUCE RAIN AND SNOW IN THE MOUNTAINS OF
CENTRAL IDAHO THROUGH WEDNESDAY. ISOLATED THUNDERSTORMS ARE ALSO
POSSIBLE. STRONG COLD FRONT WITH GUST WINDS WILL MOVE INTO OREGON
WEDNESDAY AFTERNOON.

.LONG TERM...WEDNESDAY NIGHT THROUGH MONDAY...COOL AND UNSETTLED 
WEATHER WILL CONTINUE THROUGH THE WEEKEND. A STRONG PACIFIC COLD 
FRONT CROSSES OUR AREA WEDNESDAY NIGHT AHEAD OF A COLD UPPER LEVEL 
TROUGH WHICH DEEPENS OVER THE ROCKIES THURSDAY AND FRIDAY. MODELS 
SHOW GOOD AGREEMENT AND RUN TO RUN CONSISTENCY. THE COLD FRONT WILL 
BE ACCOMPANIED BY WIDESPREAD PRECIPITATION AND ISOLATED 
THUNDERSTORMS. FOLLOWING THE FRONT...SNOW LEVELS WILL LOWER FROM 
ABOUT 6000 FEET WEDNESDAY EVENING TO THE VALLEY FLOORS BY THURSDAY 
MORNING. SNOWFALLS OF UP TO 6 INCHES ARE POSSIBLE OVER THE HIGHER 
MOUNTAINS OF CENTRAL IDAHO WEDNESDAY NIGHT...WITH ADDITIONAL 
ACCUMULATIONS OF AN INCH OR TWO ON THURSDAY. ALSO EXPECT NORTHWEST 
WINDS 15-25 MPH WITH GUSTS TO AROUND 35 MPH WEDNESDAY NIGHT AND 
THURSDAY. THE TROUGH MOVES EAST OF THE ROCKIES FRIDAY NIGHT AND 
SATURDAY...ALLOWING TEMPERATURES TO START A SLOW RECOVERY FROM 5-10 
DEGREES BELOW NORMAL THURSDAY AND FRIDAY TO NEAR NORMAL BY MONDAY. 

&&

.AVIATION...VFR TODAY. CONDITIONS WILL DETERIORATE THIS EVENING AS 
AREAS OF MVFR RAIN AND SNOW DEVELOP ACROSS EASTERN OREGON AND 
CENTRAL IDAHO. PRECIPITATION WILL SPREAD ACROSS THE ENTIRE AREA 
AFTER 06Z WITH WIDESPREAD MVFR/LOCAL IFR CONDITIONS AND MOUNTAIN  
OBSCURATION. SNOW LEVELS WILL RANGE FROM 4500 FEET IN THE CENTRAL 
IDAHO MOUNTAINS TO OVER 7000 FEET IN SOUTHEAST OREGON. SURFACE WINDS 
WILL BE LIGHT THIS MORNING...THEN SOUTHEAST 10-15 KTS THIS AFTERNOON 
AND EVENING. WINDS ALOFT WILL BE WEST UP TO 25 KTS AT 10K FEET MSL.

&&

.BOI WATCHES/WARNINGS/ADVISORIES...
ID...NONE.
OR...NONE.
&&

$$

WEATHER.GOV/BOISE

SHORT TERM...VM
LONG TERM....JT
AVIATION.....JT