Area Forecast Discussion
Issued by NWS Pocatello, ID

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FXUS65 KPIH 011950
AFDPIH

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE POCATELLO ID
150 PM MDT SUN MAY 1 2016

.SHORT TERM...TONIGHT THROUGH WEDNESDAY. AN UPPER HIGH OVER BC/AB
WILL SAG SOUTH INTO WESTERN MT ON MONDAY. THIS WILL EVENTUALLY
LEAD TO A DOMINANT UPPER RIDGE OVER THE WEST INTO WED. THE RESULT
WILL BE WARMER TEMPS AND DRY CONDITIONS. BRISK EASTERLY WINDS WILL
DIMINISH TONIGHT...AND COMBINED WITH CLEAR SKIES AND DRY AIR...
WILL RESULT IN COLD EARLY MORN TEMPS. FROST IS A POSSIBILITY EARLY
MON MORN...MAINLY IN RURAL AREAS OF THE SNAKE RIVER PLAIN/EASTERN
MAGIC VALLEY.

ON WED...A DEEP UPPER TROF MOVING INTO THE WEST COAST WILL
DISPLACE THE UPPER RIDGE. THIS WILL ALLOW SOME PAC MOISTURE TO
MOVE INTO THE CENTRAL MTNS...RESULTING IN ISOLATED TSTMS WED AFTN.
HEDGES

.LONG TERM...WEDNESDAY NIGHT THROUGH SUNDAY.
UPPER LOW PUSHES ONTO CALIFORNIA COAST WEDNESDAY NIGHT INTO THURSDAY
SETTING UP DEEP SOUTHERLY FLOW ALOFT ALLOWING MOISTURE TO MOVE INTO
SOUTHEAST IDAHO.   EXPECT SHOWERS AND THUNDERSTORMS THE ENTIRE LONG
TERM PERIOD AS THE UPPER LOW WORKS EAST.
GK

&&

.AVIATION...EXPECT VFR CONDITIONS THROUGH MONDAY.
GK

&&

.PIH WATCHES/WARNINGS/ADVISORIES...
FROST ADVISORY FROM 2 AM TO 9 AM MDT MONDAY FOR IDZ017-020-021.

LAKE WIND ADVISORY UNTIL 8 PM MDT THIS EVENING FOR IDZ021.

&&

$$


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