Area Forecast Discussion
Issued by NWS Pocatello, ID

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FXUS65 KPIH 290827
AFDPIH

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE POCATELLO ID
227 AM MDT SUN MAR 29 2015

.SHORT TERM...TODAY THROUGH TUE NIGHT. COLD FRONT OF YESTERDAY HAS
MOVED RAPIDLY EASTWARD AND RETURNED TO CALM...STABLE...AND CLEAR
CONDITIONS. THE NEXT SHORTWAVE MAKES ITS APPROACH TUE AFTERNOON
BUT DOES NOT SIGNIFICANTLY AFFECT THE FORECAST AREA UNTIL TUE
NIGHT. EVEN THEN...THE EFFECTS ARE LIMITED MAINLY TO THE MOUNTAINS
WHEN IT COMES TO PRECIPITATION. EXPECT ONLY LIGHT AMOUNTS OF
PRECIPITATION. STRONG WIND CAN BE EXPECTED TO DEVELOP WITH THIS
TROUGH. TEMPERATURES WILL STRONGLY WARM TODAY AND MON...BUT LEVEL
OFF...MAYBE EVEN DECREASE...WITH THE ARRIVAL OF CLOUDINESS ON TUE
AFTERNOON. MESSICK

.LONG TERM...WEDNESDAY THROUGH SUNDAY NIGHT. THE BROAD UPPER TROF
DOMINATING THE WEST ON WED IS REINFORCED BY A SHORT WAVE MOVING INTO
THE PAC NW. THIS WILL SPREAD PRECIP FROM THE CENTRAL MTNS ON WED TO
THE ENTIRE FCST AREA ON THU. THIS SOLUTION SHARED BY BOTH THE GFS
AND ECMWF...ALTHO THE GFS IS MORE SPOTTY WITH THE PRECIP. SNOW IN
THE MTNS AND RAIN IN THE VALLEYS IS EXPECTED TO BE ON THE LIGHT
SIDE. LOW AMPLITUDE UPPER RIDGING WILL KEEP THE AREA DRY INTO
SATURDAY. THE GFS BRINGS A LARGE UPPER TROF INTO THE PAC NW ON
SATURDAY...WITH SNOW MOVING INTO THE CENTRAL MTNS. PRECIP...MTN SNOW
AND VALLEY RAIN...BECOMES MORE WIDESPREAD ON SUNDAY. PRECIP
DIMINISHES IN THE VALLEYS SUN NIGHT. TEMPS WILL REMAIN RATHER COOL
THRU THE PERIOD. HEDGES

&&

.AVIATION...UPPER RIDGE OVER THE REGION WILL RESULT IN A RATHER
QUIET PERIOD THRU TONIGHT. VFR CONDITIONS WILL PREVAIL. HEDGES

&&

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

$$






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