Area Forecast Discussion
Issued by NWS Pocatello, ID

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000
FXUS65 KPIH 130931
AFDPIH

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE POCATELLO ID
331 AM MDT SAT SEP 13 2014

.SHORT TERM...TODAY THROUGH WEDNESDAY. CURRENT SATELLITE IMAGERY
SHOWS CLEAR SKIES IN NORTHWEST FLOW. LIGHT WINDS...LINGERING COLD
TEMPERATURES IN NORTHERLY FLOW AND CLEAR SKIES WILL AIDE IN
BRINGING A COLD MORNING ONCE AGAIN. HOWEVER DO NOT EXPECT
TEMPERATURES AS COLD AS YESTERDAY MORNING. HAVE CONTINUED THE
FREEZE ADVISORY FOR THE UPPER SNAKE RIVER PLAIN AND THE FROST
ADVISORY FOR THE LOWER SNAKE RIVER PLAIN. LOOK FOR HIGH PRESSURE
RIDGING TO CONTINUE TO BUILD INTO TODAY. EXPECT CLEAR SKIES AND
GRADUAL WARMING TEMPERATURES THROUGH THE PERIOD. TEMPERATURES WILL
BE ABOVE NORMAL THROUGH THE PERIOD...PARTICULARLY ON MONDAY AND
TUESDAY. WYATT

.LONG TERM...THURSDAY THROUGH NEXT SATURDAY. BOTH THE GFS AND
ECMWF MODELS ARE SHOWING THE NEXT SYSTEM MOVING THROUGH THE AREA
THURSDAY THROUGH FRIDAY MORNING. MODELS ARE PICKING UP ON TROPICAL
MOISTURE MOVING INTO THE AREA JUST AHEAD OF THIS SYSTEM. EXPECT
AT LEAST A MODERATE PRECIPITATION EVENT IF NOT MORE WITH THIS
SYSTEM PARTICULARLY FOR OUR SOUTHERN AND EASTERN AREAS. EXPECT
ABOVE NORMAL TEMPERATURES EARLY IN THE PERIOD BECOMING NEAR NORMAL
TO SLIGHTLY BELOW NORMAL BY THE END OF THE PERIOD. WYATT

&&

.AVIATION...WIDESPREAD VFR CONDITIONS UNDER DRY WEST TO NORTHWEST
FLOW ALOFT. RS

&&

.FIRE WEATHER...DRY AND STABLE CONDITIONS UNDER WEST TO
NORTHWESTERLY FLOW ALOFT TODAY AND SUNDAY. HIGH PRESSURE RIDGE MOVES
OVER THIS AREA MONDAY AND TUESDAY WHICH WILL WARM TEMPERATURES TO
THE MIDDLE TO UPPER 80S MID WEEK. A LOW PRESSURE DISTURBANCE WILL
APPROACH FROM THE NORTHWEST THURSDAY AND FRIDAY WHILE A LATE SEASON
SURGE OF MONSOON MOISTURE MOVES RAPIDLY NORTH ON THURSDAY AHEAD OF
THIS DISTURBANCE. THIS WILL BRING SCATTERED THUNDERSTORMS AND A
CHANCE OF WETTING RAIN PARTICULARLY ALONG A DIAGONAL FROM BURLEY
TOWARDS ISLAND PARK. RS

&&

.PIH WATCHES/WARNINGS/ADVISORIES...
FROST ADVISORY UNTIL 9 AM MDT THIS MORNING IDZ021.

FREEZE WARNING UNTIL 9 AM MDT THIS MORNING IDZ020.

&&

$$







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