FNUS74 KAMA 142018
FWSAMA

SPOT FORECAST FOR SOUTH CANYON...NATIONAL PARK SERVICE
NATIONAL WEATHER SERVICE AMARILLO TX
218 PM CST SAT FEB 14 2009

FORECAST IS BASED ON IGNITION TIME OF 1900 CST ON FEBRUARY 14.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...
WINDS WILL BE BELOW 10 KNOTS AND GENERALLY BE SOUTHEASTERLY AND
SOUTHERLY THROUGH EARLY TOMORROW MORNING. A WEAK COLD FRONT WILL
MOVE OVER THE BURN SITE BETWEEN 3 AM AND 6 AM CST...SHIFTING THE
WINDS TO NORTHERLY AND NORTHEASTERLY BUT WINDS SHOULD REMAIN BELOW 10
KNOTS. TEMPERATURES ARE EXPECTED TO DROP INTO THE MID 20S ALLOWING
RELATIVE HUMIDITY VALUES TO RECOVER TO NEAR 70 PERCENT. DESPITE THE
COLD FRONT...SUNNY SKIES TOMORROW WILL ALLOW TEMPERATURES TO QUICKLY
RECOVER INTO THE LOW 50S RESULTING IN RELATIVE HUMIDITY VALUES
DROPPING TO AROUND 25 PERCENT. WINDS ON SUNDAY WILL REMAIN LIGHT
THROUGH THE DAY.

.REST OF TODAY...

SKY/WEATHER.........SUNNY (0-5 PERCENT).
MAX TEMPERATURE.....AROUND 48.
MIN HUMIDITY........29 PERCENT.
WIND (20 FT)........SOUTHEAST WINDS 6 TO 9 MPH.
CHANCE OF PCPN......0 PERCENT.
LAL.................1.
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED
                    FIRE GROWTH.
MIXING HEIGHT.......3000-3500 FT AGL.
MIXING WINDS........SOUTHEAST AROUND 9 MPH.

.TONIGHT...

SKY/WEATHER.........CLEAR (0-5 PERCENT).
MIN TEMPERATURE.....AROUND 23.
MAX HUMIDITY........77 PERCENT.
WIND (20 FT)........EAST WINDS 6 TO 12 MPH.
CHANCE OF PCPN......0 PERCENT.
LAL.................1.
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......2000-3000 FT AGL DECREASING TO 0-1000 FT AGL
                    EARLY IN THE EVENING.
MIXING WINDS........SOUTH AROUND 5 MPH.

.SUNDAY...

SKY/WEATHER.........SUNNY (0-10 PERCENT).
MAX TEMPERATURE.....AROUND 51.
MIN HUMIDITY........23 PERCENT.
WIND (20 FT)........NORTH WINDS 5 TO 6 MPH SHIFTING TO THE EAST
                    AROUND 7 MPH IN THE AFTERNOON.
CHANCE OF PCPN......0 PERCENT.
LAL.................1.
HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......0-1500 FT AGL INCREASING TO 5000-5500 FT AGL.
MIXING WINDS........NORTH AROUND 9 MPH.

$$
FORECASTER...SJOHNSON
REQUESTED BY...ASHLEY SAMBERSON
TYPE OF REQUEST...PRESCRIBED
.TAG 20090214.SOUTH.02/AMA