Area Forecast Discussion
Issued by NWS Boise, ID

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000
FXUS65 KBOI 220952
AFDBOI

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE BOISE ID
352 AM MDT WED OCT 22 2014

.SHORT TERM...TODAY THROUGH THURSDAY...INTERMOUNTAIN FOG AND
STRATUS WILL LIFT LATE THIS MORNING. CLOUDS ON THE INCREASE TODAY
WILL BE FOLLOWED BY AN INCREASE IN POPS TONIGHT AND
THURSDAY...EXCEPT SE OF BOISE THROUGH MUO/TWF/JER WHERE IT WILL
REMAIN DRY. HIGHEST /LIKELY/ POPS WILL BE ACROSS THE NORTH BKE-
MYL AS A COLD FRONT APPROACHES THE AREA. WINDS WILL BE ON THE
INCREASE ESPECIALLY THURSDAY WHEN BREEZY CONDITIONS ARE EXPECTED
ACROSS OREGON BLM LANDS. HAVING PRECIP FURTHER SE SEEMS TO FIT
THE UPSTREAM SATIMG ACROSS THE NE PACIFIC WHICH SHOWED THE
MOISTURE AND JET AXIS HAS SAGGED SOUTH OF 40N AND SEVERAL EMBEDDED
SHORT WAVE TROUGHS ARE POISED TO CIRCULATE AROUND THE LARGE GULF
OF AK LOW FROM THE ALEUTIANS TODAY THROUGH WRN NOAM
THURSDAY...AHEAD OF THE MAIN UPPER TROUGH ENERGY DUE INLAND IN THE
EXTENDED.

.LONG TERM...THURSDAY NIGHT THROUGH TUESDAY...WARM FRONTAL
PRECIPITATION WILL LIFT NORTHWARD THROUGHOUT THE DAY ON FRIDAY
WITH WARMING AND CLEARING FROM THE SOUTH. EXPECT SATURDAY TO BE
DRY AND WARM AS SOUTHERLY FLOW ALOFT SETS UP IN ADVANCE OF A DEEP
UPPER LEVEL TROUGH DIGGING OFF THE PACIFIC NORTHWEST COAST.
CONDITIONS WILL DETERIORATE LATE SATURDAY AS THE UPPER LEVEL
TROUGH MOVES INLAND SENDING A STRONG COLD FRONT THROUGH THE AREA
SOMETIME SUNDAY. TEMPERATURES WILL DROP 10-20 DEGREES WITH THIS
SYSTEM AND SNOW LEVELS WILL 5500 FEET MSL ON SUNDAY. MONDAY
MORNING WILL BE QUITE COLD WITH NORTHWESTERLY FLOW ALOFT AS THE
TROUGH EXITS. A WEAK RIDGE WILL BUILD ACROSS THE REGION TUESDAY
FOR SLIGHTLY WARMER TEMPERATURES.

&&

.AVIATION...AREAS OF INTERMOUNTAIN IFR FOG/STRATUS INCLUDING KMYL
UNTIL 17Z. OTHERWISE VFR MOSTLY CLEAR THIS MORNING AND VFR
INCREASING CLOUDS THROUGH 06Z. THURSDAY EXPECT DETERIORATING
CONDITIONS WITH AREAS OF MTNS OBSCURED ESPECIALLY KBNO-KBOI-KJER
NORTHWARD. SURFACE WINDS LIGHT BECOMING SE-SW 10-20 KTS BY
THURSDAY. WINDS ALOFT SW 15KTS INCREASING TO 25 KTS THIS
AFTERNOON.

&&

.BOI WATCHES/WARNINGS/ADVISORIES...
ID...NONE.
OR...NONE.

&&

$$

WEATHER.GOV/BOISE

SHORT TERM...VM
LONG TERM....KA
AVIATION.....VM



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