000 
FNUS75 KBOU 051208
FWSBOU

SPOT FORECAST FOR 550 PILES...USFS   
NATIONAL WEATHER SERVICE DENVER CO
607 AM MDT WED OCT 5 2005

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

.DISCUSSION...STRONG WEST TO NORTHWEST FLOW ALOFT ACROSS COLORADO 
WILL SLOWLY DIMINISH BY THIS EVENING.  A LARGE SURFACE HIGH PRESSURE 
SYSTEM WILL BUILD INTO THE AREA...BRINGING MUCH COOLER AND DRY CONDITIONS.  
WIND DIRECTION AND SPEEDS WILL BE TRICKY AGAIN TODAY.  AT THIS 
TIME...IT APPEARS THAT DOWNSLOPE WESTERLY FLOW WILL TURN TO A 
TYPICAL UPSLOPE BY NOON.  HOWEVER...IT SHOULD BE NOTED THAT THERE IS 
SMALL POTENTIAL FOR THE STRONGER WESTERLIES ALOFT TO WIN OUT 
TODAY...BRINGING GUSTY DOWNSLOPE WINDS.  

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

.TODAY...
SKY/WEATHER.........MOSTLY SUNNY.
MAX TEMPERATURE.....54-58. 
MIN HUMIDITY........27-30%. 
20-FOOT WINDS.......WEST 4-10 MPH UNTIL 0900...THEN NORTHWEST 
                    6-12 MPH UNTIL 1200...THEN EAST 5-10 MPH.
TRANSPORT WINDS.....WEST AROUND 12 MPH. 
MIXING HEIGHT.......3000 FT AGL UNTIL 0900...THEN INCREASING TO 
                    8000-9000 FT AGL BY 1100.
SMOKE DISPERSAL.....POOR UNTIL 0800...THEN FAIR UNTIL 0900...THEN 
                    GOOD UNTIL 1100...THEN VERY GOOD.
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME 
                    DOMINATED FIRE GROWTH. 

.TONIGHT...
SKY/WEATHER.........MOSTLY CLEAR UNTIL 2400...THEN PARTLY 
                    CLOUDY(40-50%). 
MIN TEMPERATURE.....25-29. 
MAX HUMIDITY........86%. 
20-FOOT WINDS.......SOUTHEAST 4-10 MPH UNTIL 2000...THEN VARIABLE
                    2-5 MPH.
TRANSPORT WINDS.....SOUTHEAST AROUND 8 MPH. 
MIXING HEIGHT.......6500-7500 FT AGL UNTIL 1900...QUICKLY DECREASING
                    TO AROUND 400 FT AGL BY 2100.
SMOKE DISPERSAL.....FAIR UNTIL 1900...THEN POOR. 
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME 
                    DOMINATED FIRE GROWTH. 

.THURSDAY...
SKY/WEATHER.........PARTLY CLOUDY(35-45%) UNTIL 1000...THEN MOSTLY 
                    SUNNY. 
MAX TEMPERATURE.....51-55. 
MIN HUMIDITY........30-34%. 
20-FOOT WINDS.......EAST 4-10 MPH. 
TRANSPORT WINDS.....SOUTH AROUND 8 MPH. 
MIXING HEIGHT.......6600 FT AGL. 
SMOKE DISPERSAL.....POOR UNTIL 1000...THEN FAIR. 
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME 
                    DOMINATED FIRE GROWTH. 

.FORECAST DAYS 3 THROUGH 5...
.FRIDAY...MOSTLY CLEAR. WARMER. LOWS IN THE LOWER 30S. HIGHS IN
THE MID 60S. TYPICAL SLOPE/VALLEY WINDS LESS THAN 12 MPH. 
.SATURDAY...PARTLY CLOUDY. CHANCE OF RAIN SHOWERS AFTER 1800.
LOWS AROUND 40. HIGHS IN THE UPPER 60S. TYPICAL SLOPE/VALLEY
WINDS LESS THAN 12 MPH. 
.SUNDAY...MOSTLY CLOUDY. CHANCE OF RAIN SHOWERS UNTIL 0600...THEN
CHANCE OF THUNDERSTORMS UNTIL 1800...THEN CHANCE OF RAIN AND
SNOW. LOWS IN THE UPPER 30S. HIGHS IN THE MID 60S. WEST WINDS
AROUND 12 MPH. 

$$
FORECASTER...BARJENBRUCH
REQUESTED BY...KRIS HEINY
REASON FOR REQUEST...PRESCRIBED
.TAG 20051005.550PI.01/BOU