FNUS76 KOTX 041343
FWSOTX

SPOT FORECAST FOR MEDSKER MURDOCK...USDA FOREST SERVICE
NATIONAL WEATHER SERVICE SPOKANE WA
643 AM PDT WED MAY 4 2011

FORECAST IS BASED ON IGNITION TIME OF 1100 PDT ON MAY 04.
IF CONDITIONS BECOME UNREPRESENTATIVE, CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...

A RIDGE ALOFT WILL PROMOTE A DRY AIR MASS TODAY WITH ONLY A FEW FLAT
CUMULUS OVER MOUNTAIN RIDGES. SURFACE HIGH PRESSURE WILL RESIDE OVER
THE BURN AREA WITH A WEAK THERMAL TROUGH OVER THE CASCADES. THIS WILL
PROMOTE LIGHT AND TERRAIN DRIVEN WINDS TODAY WITH SEASONABLY NORMAL
TEMPERATURES. MID AND HIGH LEVEL CLOUDS WILL INCREASE TONIGHT.
A WEAK COLD FRONT WILL CROSS THE BURN AREA THURSDAY WITH A SMALL CHANCE
OF A SHOWER OVER THE BURN AREA...BUT NO WETTING RAIN IS LIKELY. THE POST
FRONTAL GRADIENT WILL ENHANCE THE UPSLOPE WINDS ON THURSDAY AND PROMOTE
BREEZY AND GUSTY CONDITIONS DURING THE AFTERNOON.

.TODAY...

SKY/WEATHER.........SUNNY.
CWR.................0 PERCENT.
MAX TEMPERATURE.....63.
MIN HUMIDITY........30 PERCENT.
WIND (20 FT)........DOWNSLOPE 2 TO 5 MPH IN THE MORNING
                    BECOMING UPSLOPE 3 TO 6 MPH AFTER 11 AM.
MIXING HEIGHT.......500 FT AGL IN THE MORNING INCREASING TO 4500
                    FT AGL IN THE AFTERNOON.
TRANSPORT WINDS.....SOUTH 8 TO 10 MPH.
HAINES INDEX........3 VERY LOW.

.TONIGHT...

SKY/WEATHER.........MOSTLY CLEAR THEN BECOMING MOSTLY CLOUDY.
CWR.................0 PERCENT.
MIN TEMPERATURE.....AROUND 41.
MAX HUMIDITY........76 PERCENT.
WIND (20 FT)........DOWNSLOPE 2 TO 5 MPH.
MIXING HEIGHT.......500 FEET.
TRANSPORT WINDS.....WEST 3 TO 7 MPH.
HAINES INDEX........2 VERY LOW.

.THURSDAY...

SKY/WEATHER.........MOSTLY CLOUDY THEN BECOMING MOSTLY SUNNY.
                    SLIGHT CHANCE OF RAIN SHOWERS IN THE MORNING.
CWR.................5 PERCENT.
MAX TEMPERATURE.....57.
MIN HUMIDITY........32 PERCENT.
WIND (20 FT)........DOWNSLOPE 3 TO 5 MPH IN THE MORNING
                    INCREASING TO WEST 12 TO 15 MPH WITH GUSTS TO
                    AROUND 25 MPH IN THE AFTERNOON.
MIXING HEIGHT.......NEAR SURFACE IN THE MORNING...BECOMING 3000 FT
                    AGL IN THE AFTERNOON.
TRANSPORT WINDS.....WEST 13 TO 17 MPH.
HAINES INDEX........3 VERY LOW.

$$
FORECASTER...MF
REQUESTED BY...MATT HAAPAPURO
TYPE OF REQUEST...PRESCRIBED
.TAG 20110504.MEDSK.01/OTX