Area Forecast Discussion
Issued by NWS Pocatello, ID

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FXUS65 KPIH 310911
AFDPIH

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE POCATELLO ID
311 AM MDT FRI JUL 31 2015

.SHORT TERM...TODAY THROUGH SATURDAY NIGHT. UPPER RIDGE OVER EAST
IDAHO. PLENTIFUL MOISTURE OVER GREAT BASIN TRYING TO WORK AROUND
PERIPHERY OF RIDGE PER WV SAT IMAGERY. SOME NORTHWARD PUSH OF THE
MOISTURE INTO SOUTHERN FRINGES OF THE STATE BUT LITTLE IMPACT
OVERALL. BETTER MOISTURE ENCROACHES INTO THE REGION AS EARLY AS
SATURDAY FOR SOME AFTERNOON BUILDUPS BUT BETTER SUNDAY THROUGH
THURSDAY. DMH

.LONG TERM...SUNDAY THROUGH FRIDAY. UPPER RIDGE SHIFTS EAST
THROUGH THIS TIME PERIOD WITH TROUGH DEEPENING ALONG COAST. HAVE
NUDGED POPS UPWARD SLIGHTLY SUNDAY BUT MODEL SOUNDING PROFILES
MORE FAVORABLE FOR DRY THUNDERSTORMS. TIMING OF SHORTWAVE FEATURES
AROUND DEEPING TROUGH APPEAR TO FAVOR AFTERNOON/EVENING
THUNDERSTORM DEVELOPING ACROSS EAST IDAHO MONDAY THROUGH THURSDAY.
HAVE PUSHED POPS UPWARD ALONG WITH HUMIDITIES. DMH


&&

.AVIATION...LIGHT WINDS AND FAIR SKIES TO PREVAIL UNDER HIGH
PRESSURE. PETERSON/DMH


&&

.FIRE WEATHER...UPPER RIDGE STAYS IN PLACE ACROSS EAST IDAHO FIRE
DISTRICT THROUGH SATURDAY. RIDGE SHOWING SIGNS OF WEAKENING LATE
SATURDAY WITH SOME MID LEVEL MOISTURE CREEPING INTO THE REGION
THOUGH LITTLE IMPACT EXPECTED AT THIS TIME. SUNDAY APPEARS TO BE
THE START OF PATTERN CHANGE AND BREAKDOWN IN UPPER RIDGE. ENOUGH
MID LEVEL MOISTURE SPREADS INTO CENTRAL ID FOR POTENTIAL FOR
ISOLATED DRY TSTORMS. BETTER MOISTURE IN PLACE MONDAY THROUGH THE
REMAINDER OF THE FORECAST PERIOD AS RIDGE SHIFTS EAST AND
SOUTHERLY FLOW INCREASES AHEAD OF DEEPENING PACIFIC TROUGH. HAVE
KEPT HIGH HAINES INTO THE EARLY PART OF THE WEEK PER PRIOR SHIFT
COORDINATION WITH SURROUNDING OFFICES. ISOLATED COVERAGE ON SUNDAY
MAY BE TOO EARLY FOR HEADLINE BUT POTENTIAL FOR WATCH MONDAY AND
BEYOND WITH INCREASED TSTORM COVERAGE UNDER BREAKDOWN OF UPPER
RIDGE. DMH


&&

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

$$


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