Area Forecast Discussion
Issued by NWS Pocatello, ID

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FXUS65 KPIH 290941
AFDPIH

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE POCATELLO ID
341 AM MDT WED APR 29 2015

.SHORT TERM...TODAY THROUGH FRIDAY NIGHT.
COLD FRONT MOVING THROUGH IDAHO LATER THIS AFTERNOON AND TONIGHT.
COULD SEE ISOLATED THUNDERSTORMS THIS AFTERNOON MAINLY IN
MOUNTAINS. EXPECT SHOWERS TO CONTINUE TONIGHT BEFORE ENDING
THURSDAY. FLOW GOES ZONAL THURSDAY THROUGH FRIDAY WITH DRY
CONDITIONS EXPECTED. WINDS SHOULD PICK UP BUT EXPECT TO STAY IN 10
TO 20 MPH RANGE IN SNAKE RIVER PLAIN TODAY. WILL HAVE VERY WARM
TEMPERATURES TODAY THEN ABOUT A 10 DEGREE DROP THURSDAY BEHIND THE
COLD FRONT. THEY WILL STAY ABOVE NORMAL THROUGH THE ENTIRE SHORT
TERM.
GK

.LONG TERM...SATURDAY THROUGH WEDNESDAY NIGHT. GFS AND ECMWF IN
RELATIVELY GOOD AGREEMENT THRU THE EXTENDED PERIOD. A MINOR WAVE
MOVING THRU THE PAC NW OVER THE WEEKEND WILL SET OFF A FEW TSTMS
OVER THE SOUTHERN HIGHLANDS ON SAT...THEN EXPANDING TO THE REST OF
THE MTNS ON SUN AS THE WAVE MOVES INTO ID. MOST OF THE ACTIVITY IS
EXPECTED DURING THE AFTN HOURS. AFTN MTN TSTMS WILL CONTINUE ON MON
AS SW FLOW DEVELOPS AHEAD OF AN UPPER LOW APPROACHES THE PAC NW
COAST. THE LOW REACHES THE COAST LATE TUE WITH SHOWERS/TSTMS
INCREASING IN COVERAGE. BY TUE NIGHT AND WED...SHOWERS/TSTMS SPREAD
TO THE VALLEY AS WELL. TEMPS WILL REMAIN WARM THRU THE PERIOD.
HEDGES

&&

.AVIATION...AN APPROACHING SHORT WAVE TODAY WILL INCREASE SW FLOW
OVER ID...RESULTING IN GUSTY SW WINDS THIS AFTN. CLOUD COVER WILL
INCREASE THIS WITH ISOLD SHOWERS/TSTMS POSSIBLE LATE THIS AFTN THRU
EVE. VFR CONDITIONS ARE EXPECTED TO PREVAIL THRU TONIGHT. HEDGES

&&

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

$$



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