FNUS76 KOTX 301917
FWSOTX

SPOT FORECAST FOR DISCOVERY...CWICC
NATIONAL WEATHER SERVICE SPOKANE WA
1217 PM PDT THU JUL 30 2009

FORECAST IS BASED ON REQUEST TIME OF 1128 PDT ON JULY 30.
IF CONDITIONS BECOME UNREPRESENTATIVE, CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...

A STRONG RIDGE OF HIGH PRESSURE WILL REMAIN FIXED ALONG
THE WASHINGTON COAST THROUGH THE WEEKEND. THE SURFACE THERMAL TROUGH
WILL BE POSITIONED OVER THE FIRE AREA TODAY...AND THEN EAST OF THE
CASCADES FRIDAY AND INTO THE WEEKEND. ISOLATED THUNDERSTORMS ARE
NEAR THE FIRE ARE POSSIBLE THIS AFTERNOON...WITH A SMALLER BUT STILL
PERCEPTIBLE CHANCE ON FRIDAY.  APPROACH OF THESE STORMS TO THE FIRE
SITE MAY CREATE GUSTY WINDS RADIATING OUT FROM THE STORMS OVER THE
FIRE SITE. OTHERWISE...HOT AND DRY CONDITIONS ARE EXPECTED FOR THE
NEXT SEVERAL DAYS WITH POOR RELATIVE HUMIDITY RECOVERY OVERNIGHT
AND TERRAIN DRIVEN LIGHT WINDS.

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


.REST OF TODAY...

SKY/WEATHER.........MOSTLY SUNNY. BECOMING PARTLY CLOUDY
    WITH ISOLATED SHOWERS AND THUNDERSTORMS.
CWR.................5 PERCENT.
MAX TEMPERATURE.....87.
MIN HUMIDITY........23 PERCENT.
WIND (20 FT)........SOUTHEAST WINDS 1 TO 3 MPH. GUSTY AND ERRATIC
                    WINDS EXPECTED NEAR THUNDERSTORMS.
MIXING HEIGHT.......7000 FT AGL.
TRANSPORT WINDS.....SOUTH 2 TO 4 MPH.
LAL.................2.
HAINES INDEX........4 LOW.

.TONIGHT...

SKY/WEATHER.........PARTLY CLOUDY THEN BECOMING CLEAR. ISOLATED
                    SHOWERS AND THUNDERSTORMS IN THE EVENING.
CWR.................5 PERCENT.
MIN TEMPERATURE.....70.
MAX HUMIDITY........56 PERCENT.
WIND (20 FT)........EAST 1 TO 2 MPH. GUSTY AND ERRATIC WINDS EXPECTED
                    NEAR THUNDERSTORMS IN THE EVENING.
MIXING HEIGHT.......8000 FT AGL IN THE EVENING...BECOMING NEAR
                    900 FT OVERNIGHT.
TRANSPORT WINDS.....WEST 1 TO 3 MPH.
LAL.................2.
HAINES INDEX........4 LOW.

.FRIDAY...

SKY/WEATHER.........MOSTLY SUNNY. BECOMING PARTLY CLOUDY
    WITH ISOLATED SHOWERS AND THUNDERSTORMS.
CWR.................5 PERCENT.
MAX TEMPERATURE.....88.
MIN HUMIDITY........24 PERCENT.
WIND (20 FT)........EAST 1 TO 2 MPH IN THE MORNING BECOMING
                    SOUTHEAST 2 TO 3 MPH IN THE AFTERNOON. GUSTY AND
                    ERRATIC WINDS EXPECTED NEAR THUNDERSTORMS IN
                    THE AFTERNOON.
MIXING HEIGHT.......900 FT IN THE MORNING...BECOMING 8000 FT
                    AGL IN THE AFTERNOON.
TRANSPORT WINDS.....SOUTHWEST 2 TO 5 MPH.
LAL.................2.
HAINES INDEX........4 LOW.

$$
FORECASTER...SB
REQUESTED BY...CWICC
TYPE OF REQUEST...WILDFIRE
.TAG 20090730.DISCO.01/OTX