National Weather Service Weather Forecast Office

Colorado Fire Weather Zone 220

FIRE WEATHER PLANNING FORECAST FOR S CNTRL AND SERN COLORADO
NATIONAL WEATHER SERVICE PUEBLO CO
413 AM MST WED NOV 25 2009

.DISCUSSION...

GENERALLY QUIET FALL WEATHER PATTERN IN PLACE ACROSS THE DISTRICT
WITH DRY CONDITIONS AND SEASONAL TEMPERATURES FOR THE NEXT SEVERAL
DAYS.  NEXT CHANCE FOR PRECIPITATION COULD ARRIVE SATURDAY AFTERNOON
AND EVENING.

VENTILATION RATES WILL GENERALY NOT BE ALL THAT GOOD TODAY DUE TO
PERSISTENT LOW LEVEL INVERSIONS AND FAIRLY LIGHT TRANSPORT WINDS.
RATES WILL PROBABLY BE EVEN WORSE ON THURSDAY...AS TRANSPORT WINDS
CONTINUE TO WEAKEN.

UPPER ARKANSAS RIVER VALLEY-
INCLUDING...CHAFFEE COUNTY...LAKE COUNTY
413 AM MST WED NOV 25 2009

.TODAY...
SKY/WEATHER.........MOSTLY SUNNY(27 PERCENT). 
MAX TEMPERATURE.....32-44F. 
MIN HUMIDITY........21-28 PERCENT...EXCEPT 24-41 PERCENT ABOVE 
                    10000 FEET. 
20-FOOT WINDS.......NORTHWEST AROUND 5 MPH WITH GUSTS TO AROUND 25 
                    MPH. 
LAL.................1. 
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED 
                    FIRE GROWTH. 
10K FT WINDS........NORTHWEST 15-25 MPH BECOMING 15-30 MPH IN THE 
                    AFTERNOON. 
MIXING HEIGHT.......3500 FT AGL. 
TRANSPORT WINDS.....NORTH AROUND 25 MPH. 
SMOKE DISPERSAL.....POOR UNTIL 1100...THEN GOOD UNTIL 1600...THEN 
                    FAIR. 

.TONIGHT...
SKY/WEATHER.........MOSTLY CLEAR. 
MIN TEMPERATURE.....13-21F. 
MAX HUMIDITY........67-83 PERCENT...EXCEPT 56-80 PERCENT ABOVE 
                    10000 FEET. 
20-FOOT WINDS.......NORTHWEST AROUND 5 MPH. GUSTS UP TO 20 MPH IN 
                    THE EVENING. 
LAL.................1. 
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME 
                    DOMINATED FIRE GROWTH. 
10K FT WINDS........NORTH 15-25 MPH BECOMING NORTHWEST 10-20 MPH 
                    AFTER MIDNIGHT. 
MIXING HEIGHT.......500 FT AGL. 
TRANSPORT WINDS.....NORTHWEST AROUND 9 MPH. 
SMOKE DISPERSAL.....POOR.