FNUS76 KOTX 271455
FWSOTX

SPOT FORECAST FOR COLOCKUM POWERLINE...USFS-CWICC
NATIONAL WEATHER SERVICE SPOKANE WA
755 AM PDT THU AUG 27 2009

FORECAST IS BASED ON REQUEST TIME OF 0709 PDT ON AUGUST 27.
IF CONDITIONS BECOME UNREPRESENTATIVE, CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...

...VERY WARM AND DRY TODAY AND FRIDAY...BIG CHANGES FRIDAY NIGHT
   AND SATURDAY...

HIGH PRESSURE WILL CONTINUE TO BUILD OVER THE AREA TODAY AND TONIGHT
BEFORE PUSHING EAST ON FRIDAY. THIS WILL ALLOW AN UPPER LOW TO MOVE
INTO THE REGION FRIDAY NIGHT AND SATURDAY AND LINGER OVER THE REGION
THROUGH THE WEEKEND. THE ASSOCIATED COLD FRONT WILL BE ON THE CASCADE
CREST LATE FRIDAY AFTERNOON AND MOVE THROUGH THE BURN AREA AROUND
2000 FRIDAY NIGHT. BEFORE THE FRONT EXPECT NEAR RECORD TEMPERATURES
...AN UNSTABLE LOWER ATMOSPHERE AND VERY LOW RELATIVE HUMIDITY. VERY
POOR RELATIVE HUMIDITY RECOVERY TONIGHT. THE COOLING TREND WILL BEGIN
FRIDAY...THEN EXPECT A CHANCE OF SHOWERS AND WET THUNDERSTORMS FRIDAY
EVENING AND SATURDAY.


.TODAY...

SKY/WEATHER.........SUNNY.
CWR.................0 PERCENT.
MAX TEMPERATURE.....89.
MIN HUMIDITY........11 PERCENT...DROPPING BELOW 20 PERCENT AFTER
                    1100.
WIND (20 FT)........DRAINAGE 2 TO 5 MPH...BECOMING SOUTHEAST-SOUTH
                    6 TO 9 MPH AFTER 1200.
MIXING HEIGHT.......INCREASING TO 6000 FT AGL AFTER 1100.
TRANSPORT WINDS.....SOUTHEAST 3 TO 7 MPH.
LAL.................1.
HAINES INDEX........5 MODERATE.

.TONIGHT...

SKY/WEATHER.........MOSTLY CLEAR.
CWR.................0 PERCENT.
MIN TEMPERATURE.....62.
MAX HUMIDITY........29 PERCENT NEAR SUNRISE...VERY POOR RECOVERY.
WIND (20 FT)........SOUTHEAST-SOUTH WINDS 5 TO 7 MPH IN THE EVENING BECOMING
                    DRAINAGE 3 TO 5 MPH AFTER 2100.
MIXING HEIGHT.......DECREASING TO 1000 FT AGL AFTER 2100.
TRANSPORT WINDS.....NORTHEAST 8 TO 12 MPH.
LAL.................1.
HAINES INDEX........4 LOW.

.FRIDAY...

SKY/WEATHER.........MOSTLY SUNNY.
CWR.................0 PERCENT.
MAX TEMPERATURE.....85.
MIN HUMIDITY........18 PERCENT.
WIND (20 FT)........DRAINAGE IN THE MORNING 3 TO 5 MPH...BECOMING EAST-
                    SOUTHEAST 5 TO 9 MPH AFTER 1000...BECOMING NORTHWEST
                    10 TO 14 MPH AFTER 1700.
MIXING HEIGHT.......INCREASING TO 5000 FT AGL AFTER 1100.
TRANSPORT WINDS.....NORTH 8 TO 12 MPH.
LAL.................1.
HAINES INDEX........4 LOW.

$$
FORECASTER...BT
REQUESTED BY...CWICC
TYPE OF REQUEST...WILDFIRE
.TAG 20090827.COLOC.01/OTX