Area Forecast Discussion
Issued by NWS Pocatello, ID

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FXUS65 KPIH 291950
AFDPIH

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE POCATELLO ID
150 PM MDT WED JUL 29 2015

.DISCUSSION...TONIGHT THROUGH NEXT WEDNESDAY. THE MODELS CONTINUE TO
SHOW A HIGH PRESSURE RIDGE EXPANDING ACROSS THE GREAT BASIN BRINGING
ABOVE NORMAL TEMPERATURES TO THE AREA. SUB-TROPICAL MOISTURE
ROTATING NORTH AROUND THE HIGH IS EXPECTED TO FILTER INTO SE IDAHO
AS EARLY AS SATURDAY AFTN BUT NO LATER THAN MONDAY RESULTING IN
ISOLATED TO SCATTERED CONVECTION THROUGH WEDNESDAY. HUSTON
&&

.AVIATION...CIGS/VSBYS UNLIMITED UNDER HIGH PRESSURE AND LIGHT WIND.
MESSICK
&&

.FIRE WEATHER...WEAK UPPER LEVEL RIDGING WILL STRENGTHEN AND HOLD
AT LEAST HALFWAY THROUGH THE UPCOMING WEEKEND. THUS THE STRONG
DRYING AND WARMING TODAY AS THE LOW LEVEL NORTHERLY AIR FLOW SHUTS
DOWN. SOME SUBTROPICAL MOISTURE BEGINS TO INFILTRATE THE EDGE OF THE
HIGH PRESSURE ON SUN AFTERNOON/EVENING...WHICH MEANS SOME ISOLATED
THUNDERSTORMS MAY START DEVELOPING THEN. MORE MOISTURE MOVES INTO
SOUTHERN IDAHO AS THE UPPER LEVEL RIDGE BREAKS DOWN AND RETREATS.
BEST THREAT IN MOUNTAINS...BUT EVEN THE VALLEY FLOOR HAS A BETTER
THAN SLIGHT CHANCE THREAT. LIMITED CHANCE OF A WIND EVENT WITH LIGHT
WIND UNTIL PERHAPS THE LAST 24 HOURS. MESSICK
&&

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

$$


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