FXUS66 KOTX 061741 AAA
AFDOTX

AREA FORECAST DISCUSSION...UPDATED AVIATION DISCUSSION
NATIONAL WEATHER SERVICE SPOKANE WA
1040 AM PDT MON OCT 6 2008

.SYNOPSIS...
FOLLOWING MAINLY DRY AND MILD CONDITIONS TODAY...A COLD FRONT WILL
MOVE INTO THE REGION TONIGHT AND TUESDAY. THE RESULT WILL BE
INCREASING CHANCES OF PRECIPITATION LATE TONIGHT AND TUESDAY...BUT
ALSO VERY BREEZY WINDS. BEHIND THIS FRONT...SNOW LEVELS WILL FALL
MARKEDLY AND HELP TO PRODUCE A FEW SNOW SHOWERS IN THE MOUNTAINS OF
NORTH IDAHO AND THE CASCADES TUESDAY AND TUESDAY NIGHT.


&&

.DISCUSSION...
NO SIGNIFICANT CHANGES TO CURRENT FORECAST FOR TODAY. MOST HIGH
TEMPERATURES HAVE BEEN TWEAKED DOWN SLIGHTLY TO ACCOUNT FOR
RETARDED INSOLATION DUE TO HEAVY WARM FRONT CLOUD COVER SPREADING
OVER THE REGION ON SATELLITE. THIS WARM FRONT WILL BE MAINLY DRY
OVER THE REGION TODAY...WITH HEIGHTS RISING ALOFT AND A WEAK HIGH
PRESSURE AT THE SURFACE. THUS TODAY...MAINLY CLOUDY BUT
ESSENTIALLY DRY AND BENIGN CONDITIONS. MINOR UPDATE TO ZONE
FORECAST EXPECTED SHORTLY FOR INCREASED CLOUDS TODAY. NO UPDATE TO
STATE FORECAST. STILL ON TRACK FOR A DRAMATIC CHANGE IN WEATHER
TONIGHT AND TUESDAY WITH RAIN...POSSIBLE MOUNTAIN SNOW AND WIND.
THIS FORECAST WILL BE ADDRESSED AND REFINED ON AFTERNOON PACKAGE.
/FUGAZZI


&&

.AVIATION...
HIGH PRESSURE MONDAY WILL GIVE WAY TO A FRONTAL SYSTEM MONDAY NIGHT
AND TUESDAY. FOG/LOW CLOUDS ACROSS THE NE VALLEY WILL LIFT TOWARD
20Z MONDAY. LINGERING MOISTURE IN THE MID-LEVELS AND THE APPROACHING
SYSTEM WILL CONTINUE TO BRING A SCT-BKN CIGS AROUND 050-090 FT AND
PASSING SPRINKLES. CLOUDS THICKEN TONIGHT WITH -RA BECOMING LIKELY
OVERNIGHT AND EARLY TUESDAY...ESPECIALLY ACROSS THE CASCADES...NRN
WA/NRN ID. EXPECT PRIMARILY VFR CONDITIONS AT TAF SITES...WITH LCL
MVFR CIGS IN -RA. CLEARING START TO DEVELOP TOWARD TUESDAY
AFTERNOON...WITH WINDS INCREASING. LOOK FOR GUSTS OVER 25KTS BY
MID/LATE MORNING AS THE PRECIP RISK ENDS. /JCOTE


&&

.PRELIMINARY POINT TEMPS/POPS...
SPOKANE 60 50 60 37 53 31 / 0 40 30 0 0 0
COEUR D'ALENE 59 49 58 36 53 28 / 10 50 50 10 10 0
PULLMAN 64 52 61 34 54 31 / 10 10 30 0 0 0
LEWISTON 67 58 66 41 60 38 / 10 0 20 0 0 0
COLVILLE 59 45 60 31 54 26 / 0 60 30 10 10 0
SANDPOINT 56 46 56 31 50 24 / 0 50 80 10 10 10
KELLOGG 59 47 56 35 51 30 / 0 20 80 10 10 10
MOSES LAKE 65 50 67 36 60 31 / 10 30 0 0 0 0
WENATCHEE 63 49 64 39 58 36 / 10 40 0 0 0 0
OMAK 58 45 61 35 58 29 / 10 60 0 0 0 10

&&

.OTX WATCHES/WARNINGS/ADVISORIES...
ID...NONE.
WA...NONE.
&&

$$







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