Area Forecast Discussion
Issued by NWS Boise, ID

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FXUS65 KBOI 020254
AFDBOI

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE BOISE ID
854 PM MDT WED OCT 1 2014

.DISCUSSION...HIGH TEMPERATURES ROSE 2-5 DEGREES OVER TUESDAY
FROM CENTRAL IDAHO THROUGH SE OREGON. SIMILAR TO YESTERDAY...WITH
HIGHS IN UPPER 50S TO MID 60S HIGHS FOR THE MAGIC AND TREASURE
VALLEYS...WERE 8-12 DEGREES BELOW NORMAL. WITH CLEARING SKIES AND
LESS WIND...ALONG WITH DRIER AIR ESPECIALLY OVER IDAHO...LOWS WED.
MORNING WILL DIP TO SIMILARLY COOL VALUES AS TUE. MINOR CHANGE TO
COOL OFF THE MAGIC VALLEY AND REDUCE SKY COVER...WITH PATCHY LIGHT
FROST POSSIBLE WHERE WINDS DIE OFF. FORECAST ON TRACK.

&&

.AVIATION...VFR. MOSTLY CLEAR SKIES. SURFACE WINDS 12KT OR LESS
EXCEPT MAGIC VALLEY WHERE WESTERLY 10-20KT EXPECTED DURING THU
AFTERNOON. WINDS ALOFT AT 10K FEET MSL...NW 20-30 KT.

&&

.PREV DISCUSSION...
SHORT TERM...TONIGHT THROUGH FRIDAY...NW FLOW ALOFT ON THE EAST
SIDE OF A RIDGE WILL HELP KEEP THE AREA DRY THROUGH FRIDAY AND
BEYOND. WE WILL SEE TEMPS WARM SLIGHTLY EACH DAY. SKIES WILL BE
MOSTLY CLEAR THROUGH THE PERIOD WITH LIGHT TO MODERATE WINDS.
THERE IS NO CHANCE OF PRECIPITATION. IN THE AGRICULTURAL AREAS...
WE ISSUE A FROST ADVISORY WHEN THE FORECAST MINIMUM TEMPS GET TO
36 DEGREES OR LESS. WE ARE VERY CLOSE TO THAT POINT OVER PARTS OF
THE SNAKE RIVER VALLEY TONIGHT...BUT EXPECT ONLY ISOLATED SPOTS OF
FROST AT BEST. THEREFORE NO ADVISORY IS WARRANTED IN THIS
SITUATION.

LONG TERM...FRIDAY NIGHT THROUGH WEDNESDAY...A STRONG RIDGE OF
HIGH PRESSURE /WITH AXIS ALONG THE WEST COAST/ WILL REMAIN QUASI-
STATIONARY THROUGH THE UPCOMING WEEKEND. EXPECT MOSTLY SUNNY SKIES
AND TEMPERATURES IN THE UPPER 60S TO UPPER 70S FRIDAY THROUGH
SUNDAY. RIDGE WILL SHIFT INLAND EARLY NEXT WEEK FOR A CONTINUATION
OF WARM AND DRY WEATHER. UPPER LEVEL PATTERN WILL WEAKEN BY MID-
WEEK...WITH UPPER LEVEL FLOW TRENDING ZONAL LATE WEDNESDAY.

&&

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

&&

$$

WEATHER.GOV/BOISE

DISCUSSION...VM
AVIATION.....KA
PREV SHORT TERM...SP
PREV LONG TERM....MT/WH



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