Area Forecast Discussion
Issued by NWS Boise, ID

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FXUS65 KBOI 011010 CCA
AFDBOI

AREA FORECAST DISCUSSION...CORRECTED
NATIONAL WEATHER SERVICE BOISE ID
335 AM MDT MON SEP 1 2014

.SHORT TERM...CLEAR AND COOL THIS MORNING EXCEPT FOR PATCHY FOG IN
IDAHO MOUNTAINS NORTH OF THE SNAKE BASIN.  TODAY WILL END UP A FEW
DEGS WARMER THAN YESTERDAY AS THE MAIN UPPER TROUGH AXIS MOVES
RAPIDLY EAST AND AWAY FROM US.  COOL AGAIN TONIGHT WITH STRONG
RADIATIONAL COOLING BUT TUESDAY SHOULD BE NOTICEABLY WARMER THAN
TODAY AS HEIGHTS CONTINUE TO RISE.  ZERO POPS TODAY...OTHER THAN
A FEW CUMULUS CLOUDS IN CENTRAL IDAHO...ZERO SKY COVER AS WELL.
LIGHT WINDS THROUGH TUESDAY.

.LONG TERM...TUESDAY NIGHT THROUGH SUNDAY...UPPER LEVEL TROUGH STILL
ON TRACK TO MOVE OVER THE FORECAST AREA TUESDAY NIGHT AND WEDNESDAY
WITH A DRY COLD FRONT MOVING OVER THE AREA TUESDAY NIGHT INTO
WEDNESDAY MORNING.  MODELS REMAIN IN FAIRLY GOOD AGREEMENT...BUT
STILL TRENDED THE FORECAST TOWARDS THE FASTER ECMWF.  MODELS STILL
WANTING TO SPLIT THIS UPPER LEVEL TROUGH AS IT MOVES INTO THE
PACIFIC NORTHWEST WITH THE NORTHERN SECTION MOVING QUICKLY TO THE
EAST ALONG THE CANADIAN BORDER WHILE THE SOUTHERN SECTION STALLS
OVER THE PACIFIC NORTHWEST.  LITTLE OR NO PRECIPITATION WITH THIS
TROUGH AND WHAT PRECIPITATION THERE IS WILL REMAIN NORTH OF THE
FORECAST AREA.  AFTER THE COLD FRONT MOVES OVER THE REGION WILL SEE
HIGH TEMPERATURES ON WEDNESDAY AROUND 10 DEGREES BELOW NORMAL.  WITH
THE SOUTHERN SECTION OF THE TROUGH LINGERING OVER THE REGION THROUGH
AT LEAST FRIDAY WILL CONTINUE TO SEE DRY CONDITIONS AND TEMPERATURES
SLOWLY WARMING TO ONLY A FEW DEGREES BELOW NORMAL BY FRIDAY.  FRIDAY
NIGHT INTO SATURDAY AXIS OF THE WEAK UPPER LEVEL TROUGH WILL SHIFT
SOUTH OF THE FORECAST AREA WITH A DRY NORTHWESTERLY FLOW DEVELOPING
OVER THE PACIFIC NORTHWEST AS AN UPPER LEVEL RIDGE BUILDS NORTH
ALONG THE CANADIAN WEST COAST.  TEMPERATURES OVER THE WEEKEND WILL
BE NEAR NORMAL.

.AVIATION...VFR UNDER MOSTLY CLEAR SKIES.  SURFACE WINDS WILL BE
LIGHT...EXCEPT WESTERLY WINDS 10 TO 15 KNOTS IN THE MAGIC VALLEY
THIS AFTERNOON.  WINDS ALOFT WILL BE NORTHWESTERLY AROUND 30 KNOTS
UP THROUGH 10K FEET MSL.

&&
&&

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

&&

$$

WEATHER.GOV/BOISE

SHORT TERM...LC
LONG TERM....JA
AVIATION.....JA



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