FNUS76 KOTX 211259
FWSOTX

SPOT FORECAST FOR SWAKANE...CWICC
NATIONAL WEATHER SERVICE SPOKANE WA
559 AM PDT WED JUL 21 2010

FORECAST IS BASED ON REQUEST TIME OF 2057 PDT ON JULY 20.
IF CONDITIONS BECOME UNREPRESENTATIVE, CONTACT THE NATIONAL WEATHER
SERVICE.

...STRONG WINDS AND LOW RELATIVE HUMIDITY LEVELS ARE POSSIBLE
THURSDAY AFTERNOON...

.DISCUSSION...
A WEAK UPPER LEVEL DISTURBANCE WILL TRACK OVER THE FIRE LATE THIS
AFTERNOON RESULTING IN A SMALL CHANCE OF SHOWERS OR THUNDERSTORMS.
MEANWHILE...A LOW-LEVEL THERMAL RIDGE WILL SHARPEN OVER THE COLUMBIA
BASIN RESULTING IN INCREASING CROSS-CASCADE OR NORTHWEST WINDS. A STRONGER
DISTURBANCE WILL PUSH A COLD FRONT OVER THE FIRE ON THURSDAY RESULTING
IN STRONG NORTHWEST WINDS AND LOW RELATIVE HUMIDITY VALUES.

THE UPPER LEVEL PATTERN WILL EXHIBIT INCREASING RIDGING THROUGH THE END
OF THE WEEK AND INTO THE WEEKEND WITH HOT AND DRY WEATHER EXPECTED.


.TODAY...

SKY/WEATHER.........SUNNY IN THE MORNING...THEN PARTLY
                    SUNNY IN THE AFTERNOON WITH A SLIGHT
                    CHANCE OF SHOWERS AND THUNDERSTORMS.
                    MOST OF THE SHOWERS AND STORMS WILL
                    REMAIN NORTH OF THE FIRE.
CWR.................5 PERCENT.
MAX TEMPERATURE.....76 AT TOP OF FIRE TO 93 AT BASE
MIN HUMIDITY........14 AT BASE OF FIRE TO 24 PERCENT AT TOP.
WIND (20 FT)........VARIABLE WIND 0-3 MPH IN THE MORNING AT BASE
                    OF FIRE BECOMING NORTHWEST 4 TO 7 MPH IN THE
                    AFTERNOON. RIDGE TOP WIND NORTHWEST TO NORTH
                    1 TO 4 MPH IN THE MORNING...INCREASING TO
                    7 TO 11 MPH IN THE AFTERNOON. ERRATIC WIND GUSTS
                    TO 30 MPH POSSIBLE NEAR THUNDERSTORMS.
MIXING HEIGHT.......NEAR SURFACE IN THE MORNING...BECOMING 7000 FT
                    AGL IN THE AFTERNOON.
TRANSPORT WINDS.....NORTHWEST 9 TO 13 MPH.
LAL.................1 IN THE MORNING INCREASING TO 2 AFTER 1400.
HAINES INDEX........2 VERY LOW.

.TONIGHT...

SKY/WEATHER.........PARTLY CLOUDY.
CWR.................0 PERCENT.
MIN TEMPERATURE.....58 AT BASE OF FIRE TO 64 NEAR THE TOP.
MAX HUMIDITY........55 PERCENT NEAR THE RIDGETOPS TO 66 PERCENT
                    AT THE BASE OF FIRE.
WIND (20 FT)........VALLEY WIND NORTHWEST 5 TO 9 MPH. RIDGETOP
                    WIND NORTHWEST 12 TO 16 MPH WITH GUSTS TO 25 MPH.
MIXING HEIGHT.......1500 FT ABOVE THE VALLEY FLOOR.
TRANSPORT WINDS.....WEST 13 TO 17 MPH.
LAL.................1.
HAINES INDEX........3 VERY LOW.

.THURSDAY...

SKY/WEATHER.........PARTLY CLOUDY IN THE MORNING...THEN
                    MOSTLY SUNNY
CWR.................0 PERCENT.
MAX TEMPERATURE.....68 AT TOP OF FIRE TO 85 AT BASE
MIN HUMIDITY........22 PERCENT AT BASE OF FIRE TO 36 PERCENT
                    AT TOP.
WIND (20 FT)........WEST TO NORTHWEST WIND 12 TO 16 MPH WITH GUSTS
                    TO 25 MPH. RIDGETOP WIND NORTHWEST 18 TO 22
                    MPH WITH GUSTS TO 36 MPH POSSIBLE.
MIXING HEIGHT.......NEAR SURFACE IN THE MORNING...BECOMING 4000 FT
                    AGL IN THE AFTERNOON.
TRANSPORT WINDS.....NORTHWEST 20 TO 26 MPH.
LAL.................1.
HAINES INDEX........3 VERY LOW.

$$
FORECASTER...FX
REQUESTED BY...JEFF BOUSCHOR  IC3 T
TYPE OF REQUEST...WILDFIRE
.TAG 20100720.SWAKA.02/OTX