Area Forecast Discussion
Issued by NWS Boise, ID

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FXUS65 KBOI 310243
AFDBOI

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE BOISE ID
843 PM MDT THU JUL 30 2015

.DISCUSSION...MOSTLY CLEAR SKIES APART FROM SOME CU IN SRN HARNEY
COUNTY. WOULD NOT BE SURPRISED IF THERE WERE SOME VIRGA SHAFTS
UNDER THOSE CU. ALSO...A FEW HIGH CLOUDS WERE MOVING ACROSS OWYHEE
COUNTY AND INTO THE WESTERN MAGIC VALLEY. WINDS ARE LIGHT. NO
CHANGES THIS EVENING.

&&

.AVIATION...VFR. CLEAR SKIES. VARIABLE WINDS 10KT OR LESS UP THROUGH
10K FT MSL.

&&

.PREV DISCUSSION...
SHORT TERM...WARMING TREND TO CONTINUE WITH LITTLE CHANGE FROM
PREVIOUS FORECASTS.  MONSOON MOISTURE IS NOW PROGGED TO STAY WEST
OF HARNEY COUNTY THROUGH SATURDAY BUT STREAM NEWD THROUGH WALLOWA
COUNTY/OR LATE SATURDAY...CLOSE ENOUGH TO BAKER COUNTY FOR A
SLIGHT CHANCE OF THUNDERSTORMS IN THE BLUE MOUNTAINS.

LONG TERM...FRIDAY NIGHT THROUGH THURSDAY...HIGH TEMPERATURES
WILL LOWER A FEW DEGREES EACH DAY AS THE UPPER LEVEL RIDGE WEAKENS
AND SHIFTS TO THE EAST...AND AN UPPER LEVEL TROUGH DEEPENS ALONG
THE NORTHWEST COAST. STARTING SUNDAY MODELS SHOW SOUTHERLY FLOW
ALOFT ADVECTING INCREASINGLY MOIST AND UNSTABLE MONSOON AIR OVER
OUR CWA. ISOLATED THUNDERSTORMS ARE EXPECTED OVER MOST OF OUR CWA
BY SUNDAY EVENING...AND CONDITIONS WILL REMAIN FAVORABLE FOR
ISOLATED MAINLY AFTERNOON AND EVENING THUNDERSTORMS THROUGH
WEDNESDAY. BY THURSDAY MODELS SHOW DRIER MORE STABLE AIR AHEAD OF
THE TROUGH DISPLACING THE MONSOON AIR...WITH THE BEST CHANCE OF
THUNDERSTORMS OVER THE CENTRAL IDAHO MOUNTAINS...AND FROM THE
MAGIC VALLEY SOUTH INTO NEVADA.

&&

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

&&

$$

WEATHER.GOV/BOISE

DISCUSSION...SP
AVIATION.....KA
PREV SHORT TERM...LC
PREV LONG TERM...JT/JC


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