FNUS76 KOTX 150254
FWSOTX

SPOT FORECAST FOR LINE FIRE...WA IMT #5
NATIONAL WEATHER SERVICE SPOKANE WA
754 PM PDT WED JUL 14 2010

FORECAST IS BASED ON REQUEST TIME OF 2026 MDT ON JULY 14.
IF CONDITIONS BECOME UNREPRESENTATIVE, CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...

WEAK HIGH PRESSURE WILL MOVE OVER THE FIRE AREA THROUGH THURSDAY
NIGHT.  THIS WILL LEAD TO CLEAR CONDITIONS WITH LIGHT WINDS.
HOWEVER...CONDITIONS WILL GET PROGRESSIVELY DRIER THROUGH FRIDAY
AS THE HIGH PRESSURE MOVES ACROSS THE AREA.  AS A WEAK SYSTEM
TRAVERSES SOUTHERN BRITISH COLUMBIA ON FRIDAY AFTERNOON...A MAINLY
DRY COLD FRONT WILL SLIDE ACROSS THE FIRE AREA.  THIS WILL KICK UP
WINDS MODERATELY FRIDAY AFTERNOON WITH RELATIVE HUMIDITIES LIKELY
FALLING OFF QUITE ABRUPTLY FOR A PERIOD FRIDAY AFTERNOON.
HOWEVER...WESTERLY FLOW WILL WEAKEN BY THE WEEKEND...LEAVING ONLY
SLIGHTLY MORE MOIST SURFACE CONDITIONS BEHIND AS RELATIVE HUMIDITY
VALUES CLIMB BACK ABOVE 20 PERCENT FOR MINS. A FEW MORE WEAK
SYSTEMS ARE FORECAST TO MOVE ALONG THE CANADIAN BORDER LATE IN
THE WEEKEND AND EARLY NEXT WEEK...HOWEVER MOST SHOWER ACTIVITY
SHOULD REMAIN NORTH OF THE FIRE...WITH ONLY PERIODS OF SLIGHTLY
HIGHER WINDS EXPECTED AS THOSE WEAK SYSTEMS PASS. TEMPERATURES
AFTER FRIDAY WILL LIKELY RETURN TOWARD NORMAL AS WELL.

.TODAY...

SKY/WEATHER.........SUNNY.
CWR.................0 PERCENT.
MAX TEMPERATURE.....90.
MIN HUMIDITY........21 PERCENT.
WIND (20 FT)........UPSLOPE/UPVALLEY 2 TO 5 MPH BY MID-MORNING.
                    IN THE AFTERNOON...SOUTHWEST WINDS 6 TO 10 MPH.
MIXING HEIGHT.......NEAR SURFACE IN THE MORNING...BECOMING 7000 FT
                    AGL IN THE AFTERNOON.
TRANSPORT WINDS.....SOUTHWEST 8 TO 12 MPH.
LAL.................1.
HAINES INDEX........4 LOW.

.TONIGHT...

SKY/WEATHER.........CLEAR.
CWR.................0 PERCENT.
MIN TEMPERATURE.....55.
MAX HUMIDITY........78 PERCENT.
WIND (20 FT)........SOUTHWEST WINDS 5 TO 8 MPH IN THE EVENING
                    BECOMING DOWNSLOPE/DOWNVALLEY 2 TO 5 MPH
                    OVERNIGHT.
MIXING HEIGHT.......NEAR SURFACE.
TRANSPORT WINDS.....SOUTHWEST 8 TO 12 MPH.
LAL.................1.
HAINES INDEX........4 LOW.

.FRIDAY...

SKY/WEATHER.........SUNNY.
CWR.................0 PERCENT.
MAX TEMPERATURE.....89.
MIN HUMIDITY........15 PERCENT.
WIND (20 FT)........UPSLOPE/UPVALLEY 3 TO 6 MPH BECOMING
                    SOUTHWEST 11 TO 16 MPH IN THE AFTERNOON WITH
                    GUSTS TO AROUND 23 MPH.
MIXING HEIGHT.......NEAR SURFACE IN THE MORNING...BECOMING 8000 FT
                    AGL IN THE AFTERNOON.
TRANSPORT WINDS.....WEST 8 TO 12 MPH.
LAL.................1.
HAINES INDEX........4 LOW.

$$
FORECASTER...FRIES
REQUESTED BY...MATT CASTLE
TYPE OF REQUEST...WILDFIRE
.TAG 20100714.LINEF.01/OTX