Area Forecast Discussion
Issued by NWS Boise, ID

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FXUS65 KBOI 021504
AFDBOI

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE BOISE ID
904 AM MDT THU OCT 2 2014

.DISCUSSION...STRONG UPPER LEVEL RIDGE WILL AMPLIFY ALONG THE WEST
COAST TODAY. BOTH IDAHO AND EASTERN OREGON WILL BE UNDER THE
INFLUENCE OF NORTHWESTERLY FLOW ALOFT...ON THE EASTERN FLANK OF
THE RIDGE. MAIN EFFECT LOCALLY WILL BE LIGHT NORTHWEST SURFACE
WINDS /EXCEPT GUSTS UP TO 25 MPH ACROSS THE MAGIC VALLEY/ AND
HIGH TEMPERATURES RANGING FROM UPPER 50S IN THE MOUNTAINS TO
UPPER 60S ACROSS LOWER VALLEYS.

&&

.AVIATION...VFR. SCATTERED TO BROKEN MID CLOUDS THIS MORNING ACROSS
THE CENTRAL MOUNTAINS. LIGHT SURFACE WINDS...EXCEPT NORTHWEST 10-15
KNOTS WITH GUSTS TO 20 KNOTS AFTER 18Z. WINDS ALOFT...NORTHWEST 20-
30 KNOTS AT 10K FEET MSL.

&&

.PREV DISCUSSION...
SHORT TERM...TODAY THROUGH FRIDAY...NORTHWEST FLOW ALOFT ON THE
DOWNWIND SIDE OF AN UPPER LEVEL RIDGE TODAY WILL GRADUALLY DIMINISH
TONIGHT AND FRIDAY AS THE RIDGE BUILDS INLAND FROM THE COAST.
WARMING ALOFT WILL BE REFLECTED BY RISING SURFACE TEMPERATURES. BOTH
MAXS AND MINS WILL WARM FROM ABOUT 5 DEGREES BELOW NORMAL TODAY TO
NEAR NORMAL ON FRIDAY UNDER MOSTLY CLEAR SKIES.

LONG TERM...FRIDAY NIGHT THROUGH WEDNESDAY...THE UPPER RIDGE ALONG
THE WEST COAST WILL AMPLIFY AND SHIFT EAST...REACHING OUR AREA BY
EARLY NEXT WEEK. THIS PATTERN WILL RESULT IN DRY WEATHER AND ABOVE
NORMAL TEMPERATURES. THE RIDGE WILL FLATTEN AS THE FLOW BECOMES
ZONAL BY WEDNESDAY. THIS WILL BRING SLIGHTLY LOWER TEMPERATURES TO
THE REGION BUT WITH CONTINUED DRY WEATHER.


&&

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

&&

$$

WEATHER.GOV/BOISE

DISCUSSION...MT
AVIATION.....JDS
PREV SHORT TERM...JT
PREV LONG TERM....BW



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