Area Forecast Discussion
Issued by NWS Pocatello, ID

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000
FXUS65 KPIH 120938
AFDPIH

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE POCATELLO ID
338 AM MDT SUN APR 12 2015

.SHORT TERM...TODAY THROUGH TUESDAY NIGHT. A COLD FRONT HAS JUST
EXITED OUR AREA. EXPECT LIGHT LINGERING SHOWERS THIS MORNING ALONG
THE EASTERN HIGHLANDS. ALSO LOOK FOR BREEZY WINDS ACROSS THE AREA
THIS MORNING THROUGH THE AFTERNOON BEFORE TAPERING OFF. EXPECT
SLIGHTLY BELOW NORMAL TEMPERATURES TODAY. HIGH PRESSURE RIDGING
BUILDS IN ACROSS THE AREA TONIGHT INTO MONDAY BRINGING DRY
CONDITIONS AND WARMER TEMPERATURES. MONDAY WILL BE WARMEST DAY OF
THE WEEK.

TUESDAY EXPECT A BIG SYSTEM TO MOVE THROUGH THE AREA BRINGING A
STRONG COLD FRONT. EXPECT STRONG WINDS WITH THIS SYSTEM ON TUESDAY
PARTICULARLY IN THE AFTERNOON AND EARLY EVENING. PRECIPITATION
WILL BEGIN IN THE CENTRAL MOUNTAINS ON TUESDAY MORNING AND MOVE
OVER OUR EASTERN BORDERS BY TUESDAY AFTERNOON AND CONTINUE THROUGH
EARLY WEDNESDAY MORNING. MODELS SHOW WIDESPREAD PRECIPITATION
BRINGING LIGHT TO MODERATE VALLEY RAIN AND 3 TO 5 INCHES OF SNOW
ABOVE 7000 FEET. LIGHT VALLEY SNOW IS LIKELY TUESDAY EVENING.
WYATT

.LONG TERM...WEDNESDAY THROUGH NEXT SATURDAY. A STRONG LOW PRESSURE
DISTURBANCE WILL BE OVER THE EASTERN HIGHLANDS WEDNESDAY MORNING AND
PROGRESSING SLOWLY TO THE EAST THROUGH THE DAYTIME HOURS. NORTHERLY
WINDS WILL KEEP SCATTERED SHOWERS IN THE WYOMING AND MONTANA BORDER
AREAS FOR MOST OF THE DAY...BUT LITTLE OR NO SHOWERS IN THE SNAKE PLAIN.
SNOW LEVELS NEAR 4000 FEET ELEVATION AND ACCUMULATION AROUND AN INCH
IN THE MOUNTAINS. SHOWERS MOVE EAST AND END BY WEDNESDAY EVENING.
TEMPERATURES RETURN TO THE MIDDLE 50S AND 60S THURSDAY THROUGH
SATURDAY UNDER HIGH PRESSURE. THERE IS A WEAKER DISTURBANCE PASSING
TO OUR NORTH ON SATURDAY. AT THIS TIME IT LOOKS AS THOUGH ANY
SHOWERS WILL BE IN NORTHERN IDAHO AND MONTANA. RS

&&

.AVIATION...SCATTERED SHOWERS REMAIN OVER THE EASTERN HIGHLANDS
THIS MORNING...BUT NONE EXPECTED AT THE TAF SITES. SURFACE PRESSURE
GRADIENT WILL CONTINUE TO KEEP WINDS ON THE BREEZY SIDE...SW 15 TO
25 MPH AT KIDA AND KPIH THROUGH THIS AFTERNOON. THIS AREA WILL
REMAIN UNDER HIGH PRESSURE RIDGE WITH WIDESPREAD VFR CONDITIONS
MONDAY BEFORE A STRONG COLD FRONT COMES THROUGH ON TUESDAY. RS

&&

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

$$







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