FNUS76 KOTX 112255
FWSOTX

SPOT FORECAST FOR YAKIMA COMPLEX NORTH...OTHER
NATIONAL WEATHER SERVICE SPOKANE WA
355 PM PDT TUE SEP 11 2012

FORECAST IS BASED ON REQUEST TIME OF 1446 PDT ON SEPTEMBER 11.
IF CONDITIONS BECOME UNREPRESENTATIVE, CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...
TONIGHT WILL BE CHILLY WITH LIGHT WINDS. THE MORNING INVERSION WILL
BREAK AROUND 1000 PDT ON WEDNESDAY ALLOWING FOR SOME DISPERSION
OF THE SMOKE TRAPPED IN THE VALLEYS. A WARMING TREND IS EXPECTED
THURSDAY AND FRIDAY. THURSDAY AND THURSDAY EVENING WILL BECOME
INCREASINGLY UNSTABLE AND HAINES INDICES OF 5 OR 6 WILL BE POSSIBLE.
A WEAK FRONT IS EXPECTED LATE IN THE DAY FRIDAY AND WILL BRING THE
POTENTIAL FOR GUSTY WEST OR NORTHWEST WINDS DURING THE EVENING. NO
RAIN IS ANTICIPATED IN THE NEXT 7 TO 10 DAYS.


.WEDNESDAY...

SKY/WEATHER.........SUNNY...BUT HAZY OR SMOKY.
CWR.................0 PERCENT.
MAX TEMPERATURE.....75 AT 2000 FEET (BOTTOM ELEVATION).
                    58 AT 6000 FEET (TOP ELEVATION).
MIN HUMIDITY........14 PERCENT BOTTOM ELEVATION. 26 PERCENT TOP
                    ELEVATION.
WIND (20 FT)........SOUTH ASPECT...UPSLOPE/UPVALLEY 3 TO 5 MPH
                    UNTIL 1000 PDT...BECOMING EAST OR SOUTHEAST
                    4 TO 6 MPH WITH GUSTS UP TO 15 MPH.
                    NORTH ASPECT...VARIABLE 2 TO 5 MPH.
MIXING HEIGHT.......INVERSION BREAKING AROUND 1000 PDT...WITH
                    MIXING HEIGHTS INCREASING TO 6000 FT MSL
                    IN THE AFTERNOON.
TRANSPORT WINDS.....NORTHEAST 1 TO 5 MPH IN THE MORNING...
                    BECOMING EAST 6 TO 10 MPH.
LAL.................1.
HAINES INDEX........4 LOW.

.WEDNESDAY NIGHT...

SKY/WEATHER.........CLEAR...BUT HAZY OR SMOKY.
CWR.................0 PERCENT.
MIN TEMPERATURE.....AS LOW AS 35 IN PROTECTED VALLEYS. AS
                    WARM AS 47 ON THE MID SLOPES AROUND 4500 FEET.
MAX HUMIDITY........60-66 PERCENT VALLEYS. 45-55 PERCENT MID-SLOPES.
WIND (20 FT)........DOWNSLOPE/DOWNVALLEY 1 TO 5 MPH.
MIXING HEIGHT.......NEAR SURFACE. STRENGTHENING INVERSION AS
                    UPPER HIGH PRESSURE STRENGTHENS.
TRANSPORT WINDS.....EAST 3 TO 7 MPH IN THE EVENING. ALMOST NO
                    TRANSPORT WIND OVERNIGHT UNDER STRENGTHENING
                    INVERSION.
LAL.................1.
HAINES INDEX........4 LOW.

.THURSDAY...HAINES 5...POSSIBLY HAINES 6 LATE IN THE DAY. SUNNY...
BUT HAZY OR SMOKY. WARMER WITH VALLEY HIGHS 80-85. MOUNTAIN HIGHS
70-80. TERRAIN DRIVEN WINDS BECOMING LIGHT SOUTHEAST IN THE
AFTERNOON.

.FRIDAY...SUNNY...BUT HAZY OR SMOKY. VALLEY HIGHS 83-88. MOUNTAIN
HIGHS 73-83. TERRAIN DRIVEN WINDS...BECOMING WEST OR NORTHWEST
LATE IN THE DAY WITH LOCALLY GUSTY CONDITIONS EARLY IN THE EVENING.

.SATURDAY THROUGH MONDAY...SUNNY. VALLEY HIGHS 77-82. MOUNTAIN
HIGHS 69-79. NORTHWEST WIND SATURDAY AND SUNDAY MORNING. LIGHT
WIND SUNDAY AFTERNOON AND MONDAY.


$$
FORECASTER...GK
REQUESTED BY...JOE BLAZEK
TYPE OF REQUEST...WILDFIRE
.TAG 20120911.YAKIM.01/OTX