FNUS76 KOTX 301806
FWSOTX

SPOT FORECAST FOR NASTY UNIT 20...USDA FOREST SERVICE
NATIONAL WEATHER SERVICE SPOKANE WA
1106 AM PDT WED MAY 30 2012

FORECAST IS BASED ON IGNITION TIME OF 1115 PDT ON MAY 30.
IF CONDITIONS BECOME UNREPRESENTATIVE, CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...
A FLAT RIDGE OF HIGH PRESSURE WILL KEEP THE BURN AREA DRY TODAY...BUT
MID LEVEL CLOUDS WILL INCREASE AND THICKEN TODAY AND TONIGHT. THERE IS
A CHANCE OF LIGHT SHOWERS ON THE BURN AREA TONIGHT AND THURSDAY AS A
WEAK WAVE MOVES THROUGH THE WESTERLY FLOW ALOFT. A PERSISTENT WESTERLY
SURFACE WIND GRADIENT WILL PROBABLY OVERWHELM WEAK UPVALLEY WINDS TODAY
DURING THE AFTERNOON...AND ENHANCE THE DOWNVALLEY WINDS SLIGHTLY TONIGHT.

.TODAY...

SKY/WEATHER.........MOSTLY CLOUDY.
CWR.................0 PERCENT.
MAX TEMPERATURE.....68.
MIN HUMIDITY........25 PERCENT.
WIND (20 FT)........NORTHWEST WINDS 3 TO 5 MPH. AFTERNOON WESTERLY
                    GUSTS TO 12 MPH.
MIXING HEIGHT.......NEAR SURFACE IN THE MORNING...BECOMING 3500 FT
                    AGL IN THE AFTERNOON.
TRANSPORT WINDS.....WEST 8 TO 12 MPH.
LAL.................1.
HAINES INDEX........2 VERY LOW.

.TONIGHT...

SKY/WEATHER.........MOSTLY CLOUDY. A CHANCE OF RAIN SHOWERS
                    OVERNIGHT.
CWR.................15 PERCENT.
MIN TEMPERATURE.....AROUND 45.
MAX HUMIDITY........88 PERCENT.
WIND (20 FT)........NORTHWEST WINDS 4 TO 7 MPH.
MIXING HEIGHT.......NEAR SURFACE.
TRANSPORT WINDS.....WEST 8 TO 12 MPH.
LAL.................1.
HAINES INDEX........2 VERY LOW.

.THURSDAY...

SKY/WEATHER.........MOSTLY CLOUDY. CHANCE OF RAIN SHOWERS.
CWR.................20 PERCENT.
MAX TEMPERATURE.....70.
MIN HUMIDITY........38 PERCENT.
WIND (20 FT)........WEST WINDS 6 TO 9 MPH.
MIXING HEIGHT.......NEAR SURFACE IN THE MORNING...BECOMING 5000 FT
                    AGL IN THE AFTERNOON.
TRANSPORT WINDS.....WEST 8 TO 12 MPH.
LAL.................1.
HAINES INDEX........2 VERY LOW.

$$
FORECASTER...MF
REQUESTED BY...CWICC
TYPE OF REQUEST...PRESCRIBED
.TAG 20120530.NASTY.01/OTX