FNUS75 KMSO 181419
FWSMSO

SPOT FORECAST FOR POWELL SBW EAST COMPLEX
NATIONAL WEATHER SERVICE MISSOULA MT
819 AM MDT SAT AUG 18 2012

FORECAST IS BASED ON REQUEST TIME OF 0650 PDT ON AUGUST 18.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

...FIRE WEATHER WATCH IN EFFECT FROM SUNDAY AFTERNOON THROUGH
SUNDAY EVENING...

.DISCUSSION...HOT DRY RIDGE OF HIGH PRESSURE WILL REMAIN OVER
NORTH-CENTRAL IDAHO THROUGH SUNDAY. LIGHT SLOPE WINDS WILL
PREDOMINATE TODAY. THERMAL BELTS WILL EXIST ON THE MID TO UPPER
SLOPES OVERNIGHT TONIGHT. THE POTENTIAL FOR LATE-DAY THUNDERSTORMS
REMAINS IN THE FORECAST FOR SUNDAY AS SOME MONSOONAL MOISTURE IS
DRAWN UP INTO THE AREA FROM THE SOUTH.

.TODAY...

SKY/WEATHER.........SUNNY. AND SMOKY.
CWR.................0 PERCENT.
MAX TEMPERATURE.....BOTTOM...91-93.
                    TOP......78-83
MIN HUMIDITY........BOTTOM...11-14 PERCENT.
                    TOP......16-19 PERCENT.
WIND (20 FT)........NORTHEAST 1-3 MPH BECOMING UPSLOPE 2-5 MPH IN
                    THE AFTERNOON.
MIXING HEIGHT.......3000 FT AGL.
MIXING WINDS........EAST 5 MPH.
HAINES INDEX........5 MODERATE.

.TONIGHT...

SKY/WEATHER.........PARTLY CLOUDY. SOME HIGH CLOUDS.
CWR.................0 PERCENT.
MIN TEMPERATURE.....BOTTOM...47-52.
                    TOP......60-65
MAX HUMIDITY........BOTTOM...65-70 PERCENT.
                    TOP......25-29 PERCENT.
WIND (20 FT)........BECOMING EAST 2-5 MPH AFTER DARK.
MIXING HEIGHT.......300 FT AGL.
MIXING WINDS........EAST 5 MPH.
HAINES INDEX........5 MODERATE.

.SUNDAY...

SKY/WEATHER.........BECOMING PARTLY CLOUDY. SLIGHT CHANCE OF
                    THUNDERSTORMS DURING THE AFTERNOON AND
                    EVENING.
CWR.................LESS THAN 10 PERCENT.
MAX TEMPERATURE.....BOTTOM...89-92.
                    TOP......77-80.
MIN HUMIDITY........BOTTOM...13-16 PERCENT
                    TOP......17-20 PERCENT.
WIND (20 FT)........UPSLOPE 1-3 MPH IN THE MORNING...BECOMING
                    WEST 5-7 MPH IN THE AFTERNOON.
MIXING HEIGHT.......7000 FT AGL.
MIXING WINDS........NORTHWEST 10 MPH.
HAINES INDEX........4 LOW.

$$
FORECASTER...MSJ
REQUESTED BY...MICHAEL GOICOECHEA
TYPE OF REQUEST...WILDFIRE
.TAG 20120818.POWEL.01/MSO