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000
FXUS65 KPIH 190303
AFDPIH

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE POCATELLO ID
905 PM MDT SAT MAY 18 2013

.SHORT TERM...TONIGHT THROUGH MONDAY EVENING. A QUICK UPDATE THIS
EVENING TO EXPIRE THE LAKE WIND ADVISORY WITH SOME MINOR TWEEKS TO
PRECIPITATION COVERAGE TONIGHT GIVEN CLEARING SKIES TO WEST. SEE
PREVIOUS DISCUSSION BELOW. HUSTON

A LOW PRESSURE SYSTEM MOVING INTO SOUTHWEST WYOMING BROUGHT WET
WEATHER TO PORTIONS OF THE CENTRAL MOUNTAINS...UPPER SNAKE PLAIN AND
EASTERN HIGHLANDS TODAY. GUSTY WINDS ARE OCCURRING BEHIND THE LOW. A
LAKE WIND ADVISORY REMAINS IN EFFECT FOR THE AMERICAN FALLS
RESERVOIR INTO THE EVENING HOURS BECAUSE OF THE WINDS. EXPECT
SHOWERS TO DIMINISH LATER THIS EVENING. ANOTHER WEAK LOW PRESSURE
SYSTEM WILL MOVE THROUGH THE REGION ON SUNDAY. THIS WILL PRODUCE
SCATTERED SHOWERS AND THUNDERSTORMS ACROSS THE AREA FOR SUNDAY
AFTERNOON AND EVENING. A RIDGE OF HIGH PRESSURE WILL BUILD INTO THE
REGION ON MONDAY. THIS WILL PRODUCE DRY CONDITIONS OVER MUCH OF THE
AREA...HOWEVER ENOUGH MOISTURE WILL BE AROUND TO TRIGGER ISOLATED TO
SCATTERED SHOWERS OVER THE MOUNTAINS AND EASTERN HIGHLANDS ON
MONDAY. TEMPS WILL REMAIN COOL ON SUNDAY...BUT SHOULD REBOUND INTO
THE 70S ON MONDAY WITH ADDITIONAL SUNSHINE IN THE FORECAST. VALLE

.LONG TERM...TUESDAY MORNING THROUGH SATURDAY.  MODELS CONTINUE TO
SHOW HIGH PRESSURE RIDGING OVER THE AREA EARLY IN THE PERIOD WITH
GRADUAL WARMING TEMPERATURES THROUGH THE PERIOD. ALSO THE MODELS ARE
CONTINUING THEIR TREND OF BRINGING AN UPPER LEVEL LOW OVER THE
NORTHWEST BY THE END OF THE WEEK INTO THE WEEKEND. THE ECMWF BRINGS
THE LOW A LITTLE FARTHER EAST OVER THE WASHINGTON AND OREGON
BRINGING MORE PRECIPITATION OVER OUR AREA. THE GFS MODEL CONTINUES
TO DROP THE LOW DOWN JUST OFF THE PACIFIC COAST BRINGING DRIER
CONDITIONS OVER SOUTHEAST LATE IN THE WEEKEND INTO THE WEEKEND.
WYATT
&&

.AVIATION...SHOWERS ARE JUST ENDING FOR KIDA. LOOK FOR LINGERING
IFR/MVFR CIGS UNTIL LATE THIS AFTERNOON INTO EARLY EVENING. EXPECT
VICINITY SHOWERS FOR KPIH AND KIDA THROUGH EARLY EVENING. LOOK FOR
VICINITY THUNDERSTORMS FOR KSUN THIS AFTERNOON INTO EARLY EVENING.
TOMORROW LOOK FOR VICINITY THUNDERSTORMS BY LATE MORNING FOR ALL TAF
SITES AS AN ADDITIONALLY DISTURBANCE MOVES THROUGH THE AREA. WYATT
&&

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

$$