FNUS76 KOTX 311931
FWSOTX

SPOT FORECAST FOR CHIKAMIN FIRE...CWICC
NATIONAL WEATHER SERVICE SPOKANE WA
1231 PM PDT FRI JUL 31 2009

FORECAST IS BASED ON REQUEST TIME OF 1142 PDT ON JULY 31.
IF CONDITIONS BECOME UNREPRESENTATIVE, CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...
HOT AND DRY CONDITIONS WILL PERSIST OVER THE FIRE AREA TODAY WELL
INTO THE WEEKEND AS A RIDGE OF HIGH PRESSURE LINGERS OVER THE PACIFIC
NORTHWEST.  AFTERNOON AND EVENING THUNDERSTORMS THIS AFTERNOON THEN
DRIER FOR THE WEEKEND AS THE THERMAL BELT STRENGTHENS OVER THE CASCADES.
ANY STORMS THAT DEVELOP TODAY MAY VERY WELL INFLUENCE THE FIRE AREA
AT TIMES...POSSIBLY PUSHING WIND GUSTS UP AND DOWN THE VALLEY...OTHERWISE
WINDS WILL BE MAINLY TERRAIN DRIVEN AND LIGHT INTO THE WEEKEND.


NOTE: HAINES INDEX NOTED BELOW IS THE HIGH LEVEL HAINES INDEX.

.TODAY...

SKY/WEATHER.........SUNNY THEN BECOMING PARTLY CLOUDY. SLIGHT
    CHANCE FOR THUNDERSTORMS IN THE AFTERNOON.
CWR.................10 PERCENT.
MAX TEMPERATURE.....79.
MIN HUMIDITY........35 PERCENT.
WIND (20 FT)........UPSLOPE...SOUTH 2 TO 5 MPH. GUSTY AND
                    ERRATIC WINDS EXPECTED NEAR THUNDERSTORMS IN
                    THE AFTERNOON.
MIXING HEIGHT.......700 FT AGL IN THE MORNING INCREASING TO 4000
                    FT AGL IN THE AFTERNOON.
TRANSPORT WINDS.....NORTHWEST 3 TO 5 MPH.
LAL.................2.
HAINES INDEX........4 LOW.

.TONIGHT...

SKY/WEATHER.........PARTLY CLOUDY. ISOLATED THUNDERSTORMS IN THE
                    EVENING.
CWR.................5 PERCENT.
MIN TEMPERATURE.....AROUND 61.
MAX HUMIDITY........54 PERCENT.
WIND (20 FT)........DOWNSLOPE..NORTHWEST 1 TO 4 MPH. GUSTY AND
                    ERRATIC WINDS EXPECTED NEAR THUNDERSTORMS IN
                    THE EVENING.
MIXING HEIGHT.......4000 FT AGL IN THE EVENING DECREASING TO 600
                    FT AGL OVERNIGHT.
TRANSPORT WINDS.....WEST 2 TO 4 MPH.
LAL.................2.
HAINES INDEX........4 LOW.

.SATURDAY...

SKY/WEATHER.........MOSTLY SUNNY. BECOMING PARTLY CLOUDY IN THE
                    AFTERNOON.
CWR.................5 PERCENT.
MAX TEMPERATURE.....79.
MIN HUMIDITY........26 PERCENT.
WIND (20 FT)........DOWNSLOPE...NORTH 0 TO 4 MPH IN THE MORNING BECOMING
                    UPSLOPE...SOUTH 2 TO 4 MPH IN THE AFTERNOON. RIDGETOP
                    WINDS BECOMING WEST 7 TO 12 MPH AFTER 3 PM.
MIXING HEIGHT.......600 FT AGL IN THE MORNING INCREASING TO 9000
                    FT AGL IN THE AFTERNOON.
TRANSPORT WINDS.....WEST 8 TO 12 MPH.
LAL.................1.
HAINES INDEX........5 MODERATE.

$$
FORECASTER...SB
REQUESTED BY...CWICC
TYPE OF REQUEST...WILDFIRE
.TAG 20090731.CHIKA.01/OTX