FNUS75 KPUB 201108
FWSPUB

SPOT FORECAST FOR SIERRA VISTA...PIDC
NATIONAL WEATHER SERVICE PUEBLO CO
408 AM MST SUN FEB 20 2011

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

...RED FLAG WARNING IN EFFECT FROM 11 AM THIS MORNING TO 6 PM MST
THIS EVENING...

STRONG WEST TO SOUTHWEST WINDS ARE EXPECTED TO DEVELOP ACROSS THE
FIRE AREA BY LATE MORNING AS THE UPPER JET LAYS ACROSS COLORADO.
THESE STRONG WINDS...COUPLED WITH EXPECTED LOW DEWPOINT
TEMPERATURES...WILL CREATE RED FLAG CONDITIONS FOR THE EASTERN
PLAINS FROM 11 AM UNTIL 6 PM THIS EVENING. A COLD FRONT IS THEN
FORECAST TO DROP DOWN FROM THE NORTH THIS EVENING BETWEEN 6 PM AND
8 PM...SHIFTING WINDS TO A NORTHERLY DIRECTION AND QUICKLY COOLING
TEMPERATURES THROUGHOUT THE NIGHT. SOME ISOLATED SHOWER ACTIVITY
WILL BE POSSIBLE WITH THE FRONTAL PASSAGE BUT IS FORECAST TO BE
SHORT-LIVED.

.DISCUSSION...

.TODAY...

SKY/WEATHER.........MOSTLY SUNNY (38 PERCENT).
MAX TEMPERATURE.....59-63F.
MIN HUMIDITY........10-15 PERCENT.
20 FOOT WIND........BREEZY. WEST TO SOUTHWEST 4-8 MPH THROUGH 0800...
                    THEN WEST WINDS 23-27 MPH DEVELOPING BY 1100.
MIXING HEIGHT.......500 FT AGL UNTIL 0900...THEN 9500 FT AGL.
TRANSPORT WIND......WEST AROUND 23 MPH.
SMOKE DISPERSAL.....POOR UNTIL 0700. EXCELLENT AFTER 1100.
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
LAL.................1.

.TONIGHT...

SKY/WEATHER.........PARTLY CLOUDY (40 PERCENT) UNTIL 2000...THEN
                    MOSTLY CLOUDY (57 PERCENT). ISOLATED SHOWERS
                    UNTIL 2300.
MIN TEMPERATURE.....15-20F.
MAX HUMIDITY........88-93 PERCENT.
20 FOOT WIND........NORTH-NORTHWEST WINDS AROUND 14 MPH UNTIL 0200...
                    THEN NORTH 2-5 MPH.
MIXING HEIGHT.......9000 FT AGL UNTIL 1800. 500 FT AGL AFTER 1900.
TRANSPORT WIND......NORTHWEST AROUND 13 MPH.
SMOKE DISPERSAL.....EXCELLENT UNTIL 1800...THEN GOOD UNTIL
                    1900...THEN POOR.
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED
                    FIRE GROWTH.
LAL.................1.

.WASHINGTONS BIRTHDAY...

SKY/WEATHER.........MOSTLY SUNNY (28 PERCENT).
MAX TEMPERATURE.....45-50F.
MIN HUMIDITY........21-26 PERCENT.
20 FOOT WIND........NORTHEAST 2-5 MPH UNTIL 1400...THEN SOUTHEAST AROUND 9
                    MPH.
MIXING HEIGHT.......2500 FT AGL UNTIL 1200...THEN 6500 FT AGL.
TRANSPORT WIND......SOUTHWEST AROUND 6 MPH.
SMOKE DISPERSAL.....POOR UNTIL 1400...THEN FAIR UNTIL 1500...THEN
                    POOR.
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED
                    FIRE GROWTH.
LAL.................1.

$$
FORECASTER...MOORE
REQUESTED BY...DISPATCHER
TYPE OF REQUEST...WILDFIRE
.TAG 20110219.SIERR.01/PUB