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538
FXUS65 KPIH 292023
AFDPIH

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE POCATELLO ID
223 PM MDT FRI AUG 29 2014

.DISCUSSION...ISOLATED SHOWERS OR THUNDERSTORMS BEGINNING TO DEVELOP
IN NORTHEASTERN NEVADA AND THIS ACTIVITY SHOULD EXPAND INTO CASSIA
COUNTY AREA OVER THE NEXT HOUR OR SO. ALSO HAVE SOME DEVELOPMENT
STARTING IN THE CENTRAL MOUNTAINS. SHOWERS AND ISOLATED
THUNDERSTORMS WILL SPREAD EAST TONIGHT...AND MAY REACH THE STATE
FAIR AREA IN BLACKFOOT BEFORE MIDNIGHT. THE UPPER LOW PRESSURE
TROUGH AND SURFACE FRONT ARE MOVING THROUGH WASHINGTON STATE. THE
FRONT SHOULD PASS THROUGH THE UPPER SNAKE PLAIN ABOUT 8-9 AM
SATURDAY MORNING...THEN A NEW SURFACE LOW DEVELOPS IN THE ARCO
DESERT AREA THAT LINGERS THROUGH THE AFTERNOON. WEST-SOUTHWEST WINDS
WILL BE JUST BELOW ADVISORY LEVEL...OR ABOUT 20-25 MPH WITH GUSTS TO
NEAR 35 MPH THROUGH THE AFTERNOON HOURS. ISOLATED THUNDERSTORMS WILL
CONTINUE MAINLY OVER THE MOUNTAINS SATURDAY AFTERNOON. SOME BRIEF
HEAVY RAIN SHOWERS POSSIBLE IN THE UPPER SNAKE HIGHLANDS. ABOUT 10
DEGREES COOLER SUNDAY IN DRY NORTHWESTERLY FLOW. A SECOND
DISTURBANCE CROSSES THE NORTHERN HALF OF THE STATE WITH SHOWERS ON
MONDAY AND WE MAY SEE A FEW NEAR THE MONTANA BORDER. TUESDAY
CONTINUES TO LOOK DRY UNDER A HIGH PRESSURE RIDGE. MODELS ARE STILL
PRETTY INCONSISTENT WEDNESDAY AND THURSDAY WITH DEVELOPMENT OF A NEW
TROUGH. THIS MORNINGS MODEL RUNS SEEM FASTER TO PUT THIS AREA UNDER
SOUTHWESTERLY FLOW AND COULD BRING SOME SHOWERS ON WEDNESDAY. RS
&&

.AVIATION...EXPECT VFR CONDITIONS WITH BREEZY TO MODERATE WINDS
THROUGH THE PERIOD. THE UPPER LEVEL HIGH PRESSURE RIDGE WILL BREAK
DOWN TODAY AS A COLD FRONT APPROACHES. EXPECT AFTERNOON WINDS TO
BECOME BREEZY FOR TAF SITES PARTICULARLY IN THE SNAKE RIVER PLAIN.
EXPECT VICINITY SHOWERS FOR ALL SITES EARLY THIS EVENING THROUGH
TOMORROW MORNING. VICINITY THUNDERSTORMS ARE LIKELY FOR KSUN LATE
THIS AFTERNOON INTO THE EARLY EVENING AS WELL. THE COLD FRONT WILL
START MOVING THROUGH TOMORROW MORNING BRINGING INCREASED WINDS FOR
ALL TAF SITES. EXPECT GUSTS OF 25 TO 35 MPH BY LATE TOMORROW MORNING
FOR TAF SITES PARTICULARLY ACROSS THE SNAKE RIVER PLAIN. WYATT

&&

.FIRE WEATHER...A COLD FRONT WILL MOVE THROUGH THE AREA TOMORROW
MORNING. EXPECT MOSTLY MOUNTAIN SCATTERED SHOWERS AND ISOLATED
THUNDERSTORMS BY LATE THIS AFTERNOON AND CONTINUING INTO SATURDAY.
EXPECT WIND GUSTS OF 30 TO 40 MPH MAINLY ACROSS THE SNAKE RIVER
PLAIN AND HIGHER TERRAIN. A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS WILL CARRY OVER INTO SUNDAY. HOWEVER...EXPECT DRIER
CONDITIONS AND COOLER TEMPERATURES SUNDAY INTO EARLY NEXT WEEK. WYATT
&&

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

&&

$$








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