FNUS76 KOTX 291552
FWSOTX

SPOT FORECAST FOR TWIN PEAKS...USFS-CWICC
NATIONAL WEATHER SERVICE SPOKANE WA
852 AM PDT TUE SEP 29 2009

FORECAST IS BASED ON REQUEST TIME OF 0817 PDT ON SEPTEMBER 29.
IF CONDITIONS BECOME UNREPRESENTATIVE, CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...

A COOL AND UNSTABLE UPPER LEVEL TROUGH WILL LINGER OVER THE
WASHINGTON CASCADES TODAY. ISOLATED SHOWERS ARE EXPECTED THROUGH
THIS EVENING WITH THE BEST CHANCES FOR MEASURABLE RAIN NEAR THE
CASCADE CREST. LOCALLY GUSTY WINDS WILL LIKELY DEVELOP THIS
AFTERNOON AND CONTINUE THROUGH EARLY EVENING. BREEZY WINDS WILL
DEVELOP AGAIN TOMORROW...WITH GUSTS AS HIGH AS 25 MPH IN THE
AFTERNOON.

.TODAY...

SKY/WEATHER.........CLOUDY. A CHANCE OF RAIN SHOWERS THROUGH THE
                    DAY. A SLIGHT CHANCE OF THUNDERSTORMS IN THE
                    AFTERNOON. SNOW LEVEL AS LOW AS 5000 FEET
                    THIS MORNING.
CWR.................25 PERCENT.
MAX TEMPERATURE.....BOTTOM ELEVATION...52. TOP ELEVATION...39.
MIN HUMIDITY........BOTTOM ELEVATION...56 PERCENT. TOP ELEVATION...
                    83 PERCENT.
WIND (20 FT)........MIDSLOPE...WEST 3 TO 6 MPH IN THE MORNING...
                    INCREASING TO 5 TO 8 MPH WITH GUSTS AS HIGH
                    AS 17 MPH IN THE AFTERNOON.
                    RIDGE TOP...SOUTHWEST 10 TO 14 MPH WITH GUSTS
                    TO 28 MPH.
MIXING HEIGHT.......3700 FT ABOVE THE VALLEY FLOOR.
TRANSPORT WINDS.....WEST 8 TO 12 MPH.
LAL.................2.
HAINES INDEX........2 VERY LOW.

.TONIGHT...

SKY/WEATHER.........MOSTLY CLOUDY. CHANCE OF RAIN SHOWERS...MAINLY
                    BEFORE MIDNIGHT. SNOW LEVEL FALLING AS LOW AS
                    4000 FEET.
CWR.................15 PERCENT.
MIN TEMPERATURE.....BOTTOM ELEVATION...35-39. TOP ELEVATION 30-35.
MAX HUMIDITY........80-90 PERCENT.
WIND (20 FT)........MIDSLOPE...WEST WINDS 5 TO 8 MPH IN THE EVENING
                    DECREASING TO 3 TO 6 MPH OVERNIGHT.
                    RIDGE TOP...WEST 12 TO 16 MPH WITH GUSTS TO 30 MPH
                    IN THE EVENING...BECOMING NORTHWEST 9 TO 13 MPH
                    BY MORNING.
MIXING HEIGHT.......DECREASING TO 1000 FT AGL OVERNIGHT.
TRANSPORT WINDS.....WEST 13 TO 17 MPH.
LAL.................1.
HAINES INDEX........3 VERY LOW.

.WEDNESDAY...

SKY/WEATHER.........MOSTLY CLOUDY. SLIGHT CHANCE OF RAIN OR SNOW
                    SHOWERS IN THE MORNING. SNOW LEVEL AS LOW AS
                    3500 FEET IN THE MORNING.
CWR.................5 PERCENT.
MAX TEMPERATURE.....BOTTOM ELEVATION...55. TOP ELEVATION...42.
MIN HUMIDITY........BOTTOM ELEVATION...45 PERCENT. TOP ELEVATION...
                    73 PERCENT.
WIND (20 FT)........MID SLOPE...WEST WINDS 3 TO 6 MPH.
                    RIDGE TOP...NORTHWEST 8 TO 12 MPH WITH GUSTS
                    UP TO 23 MPH.
MIXING HEIGHT.......INCREASING TO 3200 FT ABOVE VALLEY FLOOR.
TRANSPORT WINDS.....WEST 13 TO 17 MPH.
LAL.................1.
HAINES INDEX........2 VERY LOW.

$$
FORECASTER...GK
REQUESTED BY...CWICC
TYPE OF REQUEST...WILDFIRE
.TAG 20090929.TWINP.01/OTX