FXUS65 KPIH 051008
AFDPIH

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE POCATELLO ID
300 AM MST SAT DEC 5 2009

.SHORT TERM...TODAY THROUGH MON NIGHT.  UPPER LEVEL LOW EXPECTED TO 
LINGER OVER THE NORTHERN ROCKIES AND GREAT BASIN...GETTING A 
REINFORCING WAVE SUN TO KEEP CLOUDS COLD AND LOW POPS IN THE 
FORECAST.  TODAY WILL BE THE LAST CHANCE FOR SOME STRONG 
WIND...MAINLY ABOVE THE COLD DOME IN THE MOUNTAINS.  PRECIPITATION 
AMOUNTS HAVE BEEN TRENDING DOWNWARD WITH BULK OF PRECIPITATION 
GENERATED EITHER IN MONTANA OR WELL SOUTH OF THE FORECAST AREA IN 
CENTRAL UTAH.  NO HIGHLIGHTS ANTICIPATED FOR THIS TIME PERIOD.  
MESSICK 

LONG TERM...TUESDAY THROUGH SATURDAY. MODELS IN RELATIVELY GOOD 
AGREEMENT THROUGH THE MEDIUM RANGE WITH GENERAL PLACEMENT OF 
SYNOPTIC FEATURES. DETAILS A BIT MORE FUZZY SO HAVE GENERALLY TAKEN 
A BLEND OF BOTH GFS AND ECMWF. DEEP TROUGH OVER ROCKIES ON TUESDAY 
WILL CONTINUE TO PRODUCE COLD UNSETTLED CONDITIONS OVER EASTERN 
IDAHO. THROUGH THE EXTENDED...THE TROUGH SHARPNESS LESSENS BUT LARGE 
DEEP TROUGH REMAINS OVER MOST OF CONUS WITH NORTHERLY OR NORTHWESTLY 
FLOW ALOFT OVER EASTERN IDAHO. HAVE GENERALLY TRENDED TEMPS A DEGREE 
OR TWO COOLER MOST AREAS THROUGHOUT THE PERIOD...AND KEPT POPS NEAR 
OR SLIGHTLY ABOVE CLIMO. DMH

&&

.AVIATION...UPPER WAVE DROPPING ACROSS EASTERN IDAHO TODAY. CEILINGS 
HAVE BEGIN TO DROP AROSS REGION AND REGIONAL RADAR INDICATING AREAS 
WITH LIGHT SHOWERS. THESE AREAS SHOULD BECOMING MORE WIDESPREAD 
THROUGH THE DAY TODAY...WITH CONDITIONS GENERALLY MVFR. PROGRESSION 
OF THE UPPER WAVE SLOWS SIGNIFICANTLY AND THE UPPER WAVE LINGERS 
VERY CLOSE TO EASTERN IDAHO OVERNIGHT SO THESE CONDITIONS SHOULD 
CONTINUE OVERNIGHT ESPECIALLY OVER THE HIGHER TERRAIN AREAS OF THE 
SOUTHERN HIGHLANDS. DMH

&&
.PIH WATCHES/WARNINGS/ADVISORIES...
NONE.
&&

$$