FNUS75 KBOU 062233
FWSBOU

SPOT FORECAST FOR WEST SIDE EMERSON FIRE...USFS
NATIONAL WEATHER SERVICE DENVER CO
433 PM MDT MON SEP 6 2010

IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...WINDS AT THE WILDFIRE WILL REMAIN QUITE VARIABLE IN
DIRECTION UNTIL AROUND 1800 HOURS. SURFACE WINDS LATE THIS AFTERNOON
WILL GENERALLY REMAIN OUT OF THE SOUTH-SOUTHEAST AT THE FIRE.
HOWEVER...EXPECT GUSTY WEST-SOUTHWEST WINDS TO MIX DOWN OFF THE
SURROUNDING RIDGE TOPS FROM TIME TO TIME. THIS EVENING...WITH THE
DEVELOPMENT OF DOWNSLOPE/DOWNVALLEY BREEZES...EXPECT WIND SPEEDS TO
GRADUALLY DECREASE. OTHERWISE EXPECTED EXTREMELY LOW RELATIVE
HUMIDITY AND DEWPOINT VALUES THROUGH THIS EVENING...WITH POOR RH
RECOVERY OVERNIGHT.

...THUNDERSTORMS IMPLY STRONG...GUSTY AND ERRATIC WINDS...

.REST OF THIS AFTERNOON...
SKY/WEATHER.........SUNNY.
MAX TEMPERATURE.....63-67.
MIN HUMIDITY........4-10%.
20-FOOT WINDS.......SOUTH-SOUTHEAST 7-15 MPH...WITH OCCASIONAL
                    WEST-SOUTHWEST WINDS OF 12-24 MPH.
TRANSPORT WINDS.....WEST 24-28 MPH.
MIXING HEIGHT.......5800-6600 FT AGL.
SMOKE DISPERSAL.....VERY GOOD.
HAINES INDEX........4 LOW.

.TONIGHT...
SKY/WEATHER.........CLEAR.
MIN TEMPERATURE.....LOWERING TO AROUND 38 BY 0500.
MAX HUMIDITY........33-38%.
20-FOOT WINDS.......SOUTH-SOUTHWEST WINDS 7-14 MPH UNTIL 2000...THEN
                    DOWNSLOPE/DOWNVALLEY 2-8 MPH UNTIL 0300...THEN
                    WEST 8-11 MPH.
TRANSPORT WINDS.....SOUTHWEST 12-16 MPH UNTIL 2100...THEN LIGHT.
MIXING HEIGHT.......5400 FT AGL UNTIL 1900...LOWERING TO UNDER 2000
                    FT AGL AFTER 2400.
SMOKE DISPERSAL.....GOOD UNTIL 1900...BECOMING POOR AFTER 2200.
HAINES INDEX........4 LOW.

.TUESDAY...
SKY/WEATHER.........MOSTLY SUNNY.
MAX TEMPERATURE.....69-74.
MIN HUMIDITY........12-18%.
20-FOOT WINDS.......NORTHWEST WINDS AROUND 8 MPH UNTIL 0900...THEN
                    UPSLOPE/UPVALLEY 4-10 MPH.
TRANSPORT WINDS.....LIGHT WINDS UNTIL 1200...THEN SOUTHWEST AROUND
                    12 MPH.
MIXING HEIGHT.......5400-6400 FT AGL AFTER 1200.
SMOKE DISPERSAL.....POOR UNTIL 1100...THEN FAIR UNTIL 1700...THEN
                    POOR.
HAINES INDEX........4 LOW.

.FORECAST DAYS 3 THROUGH 5...
.WEDNESDAY...PARTLY CLOUDY. SLIGHT CHANCE OF THUNDERSTORMS AFTER
0600. LOWS AROUND 50. HIGHS IN THE MID 70S. WEST WINDS AROUND
8 MPH WITH GUSTS TO 20 MPH.
.THURSDAY...MOSTLY CLEAR. LOWS IN THE LOWER 50S. HIGHS IN THE MID
70S. WEST WINDS AROUND 12 MPH WITH GUSTS TO 20 MPH.
.FRIDAY...PARTLY CLOUDY. LOWS IN THE UPPER 40S. HIGHS AROUND 70.
WEST WINDS AROUND 8 MPH WITH GUSTS TO 20 MPH.

$$
FORECASTER...BAKER WFO BOULDER
REQUESTED BY...RUSSELL DAWDY
REASON FOR REQUEST...WILDFIRE
.TAG 20100906.WESTS.02/BOU