Area Forecast Discussion
Issued by NWS Boise, ID

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000
FXUS65 KBOI 160942
AFDBOI

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE BOISE ID
342 AM MDT TUE SEP 16 2014

.SHORT TERM...TODAY THROUGH THURSDAY...WEAK SHORTWAVE IS MOVING
THROUGH SW IDAHO AND SE OREGON THIS MORNING PRODUCING ISOLATED
SHOWERS AND THUNDERSTORMS. THIS FEATURE IS QUICKLY MOVING
NORTHEASTWARD AND EXPECT CLEARING SKIES LATER THIS MORNING AS
DRIER AIR MOVES IN FROM THE SOUTHWEST. TEMPERATURES AT BOISE WILL
BE CLOSE TO A RECORD HIGH OF 93F. A LARGE UPPER LEVEL LOW OFF THE
CALIFORNIA COAST WILL SLOWLY MOVE EASTWARD TOWARDS THE REGION AND
THE WARM TEMPERATURES WILL CONTINUE THROUGH WEDNESDAY. THE TROUGH
AND ASSOCIATED COLD FRONT WILL REACH OUR DOORSTEP BY LATE
WEDNESDAY NIGHT INTO THURSDAY MORNING. SHOWERS AND THUNDERSTORMS
ARE EXPECTED TO INCREASE IN COVERAGE LATE WEDNESDAY EVENING INTO
THURSDAY MORNING AHEAD OF THIS COLD FRONT. THE COLD FRONT WILL
REACH BOISE SOMETIME BETWEEN MIDNIGHT AND 3AM THURSDAY WITH GUSTY
WINDS ALONG THE FRONT.

.LONG TERM...THURSDAY NIGHT THROUGH MONDAY...WEAK UPPER LOW
TRACKS THROUGH CENTRAL CA INTO SOUTHERN NV THURSDAY NIGHT AND
FRIDAY. A DRIER WESTERLY FLOW FOLLOWS THE TROUGH PASSAGE...PUSHING
SHOWER AND THUNDERSTORM ACTIVITY INTO EASTERN ID. CONTINUED GOOD
MODEL AGREEMENT THROUGH THE WEEKEND...SHOWING THE DEVELOPMENT OF
AN UPPER RIDGE OVER THE PAC NW. TEMPERATURES INCREASE A FEW
DEGREES EACH DAY THROUGH SUNDAY WHICH TOPS OUT 6-9 DEGREES ABOVE
NORMAL. NEXT WEEK STARTS OUT WARM AND DRY WITH THE UPPER RIDGE IN
PLACE OVER THE INTERMOUNTAIN NW.

&&

.AVIATION...VFR. SMOKE LAYERS ALOFT WITH ISOLATED SHOWERS AND
THUNDERSTORMS THIS MORNING MAINLY NORTH AND EAST OF A KBKE-KONO-
KREO LINE...AND ISOLATED SHOWERS AND THUNDERSTORMS OVER THE
CENTRAL IDAHO MOUNTAINS THIS AFTERNOON. SURFACE WINDS VARIABLE
12KT OR LESS EXCEPT SE OREGON WHERE AFTERNOON SW 5-15KT EXPECTED.
WIND GUSTS TO 25KT IN VICINITY OF THUNDERSTORMS. WINDS ALOFT AT
10K FEET MSL...SW 15-25KT.

&&

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

&&

$$

WEATHER.GOV/BOISE

SHORT TERM...KA
LONG TERM....DG
AVIATION.....KA



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