FNUS72 KTAE 181302
FWSTAE

SPOT FORECAST FOR SMR 109...ST. MARKS NWR
NATIONAL WEATHER SERVICE TALLAHASSEE FL
802 AM EST WED FEB 18 2009

FORECAST IS BASED ON IGNITION TIME OF 1000 EST ON FEBRUARY 18.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE AT (850) 942-8835.

...RED FLAG WARNING IN EFFECT FROM 1 PM EST /12 PM CST/ TO 7 PM
EST /6 PM CST/ THURSDAY FOR ALL OF THE FLORIDA PANHANDLE AND BIG
BEND DUE TO THE COMBINATION OF LONG DURATIONS OF RELATIVE HUMIDITY
BELOW 35 PERCENT...20-FOOT WIND SPEEDS ABOVE 15 MPH...AND DISPERSION
INDICES ABOVE 75...

.DISCUSSION...MOISTURE WILL INCREASE TODAY AHEAD OF AN APPROACHING
COLD FRONT FROM THE NORTHWEST. SHOWERS AND THUNDERSTORMS WILL MOVE
ACROSS THE AREA BEGINNING THIS AFTERNOON AND CONTINUE THROUGH
TONIGHT...WITH SOME SEVERE STORMS POSSIBLE. BEHIND THE FRONT ON
THURSDAY...COOLER AND MUCH DRIER AIR ALONG WITH BREEZY CONDITIONS AND
HIGH DISPERSIONS WILL RESULT IN RED FLAG CONDITIONS ACROSS NORTH
FLORIDA.

.TODAY...

SKY/WEATHER.........PARTLY SUNNY (65-75 PERCENT) THEN BECOMING
                    CLOUDY (95-100 PERCENT). SLIGHT CHANCE OF
                    SHOWERS AND THUNDERSTORMS IN THE MORNING.
                    CHANCE OF SHOWERS AND THUNDERSTORMS IN THE
                    AFTERNOON.
TEMPERATURE.........61 AT IGNITION...MAX 69.
RH..................70 PERCENT AT IGNITION...MIN 70 PERCENT.
WIND (20 FT)........WINDS SOUTH AT 13 MPH AT IGNITION...INCREASING
                    TO 18 TO 20 MPH WITH GUSTS OF 25 TO 30 MPH IN
                    THE AFTERNOON.
CWR.................20 PERCENT...INCREASING TO 40 PERCENT IN THE
                    AFTERNOON.
LAL.................2.
MIXING HEIGHT.......1500 FT AGL AT IGNITION... INCREASING TO 2100
                    FT AGL.
TRANSPORT WINDS.....SOUTH 15 TO 22 MPH...INCREASING TO SOUTHWEST
                    AROUND 30 MPH IN THE AFTERNOON.
SMOKE DISPERSION....64.

TIME (EST)      10 AM  NOON   2 PM   4 PM   6 PM   8 PM
SKY (%).........MCLDY  MCLDY  CLOUDY CLOUDY CLOUDY CLOUDY
WEATHER COV.....S CHC  S CHC  CHANCE CHANCE CHANCE DEFNTE
WEATHER TYPE....RNSHWR RNSHWR RNSHWR RNSHWR RNSHWR RNSHWR
TEMP............61     66     69     69     67     65
RH..............70     70     72     74     81     85
20 FT WIND......S 13   S 17   S 20   S 20   S 18   S 17
20 FT WIND GUST.20     25     30     30     30     25

.TONIGHT...

SKY/WEATHER.........MOSTLY CLOUDY (80-90 PERCENT). SHOWERS AND
                    THUNDERSTORMS.
TEMPERATURE.........MIN 57.
RH..................MAX 88 PERCENT.
WIND (20 FT)........WEST WINDS 14 TO 18 MPH WITH GUSTS TO AROUND 30
                    MPH...SHIFTING TO THE NORTHWEST EARLY IN THE
                    MORNING.
CWR.................80 PERCENT.
LAL.................3.
MIXING HEIGHT.......1100-2100 FT AGL.
TRANSPORT WINDS.....SOUTHWEST 26 TO 30 MPH...SHIFTING TO THE
                    NORTHWEST AROUND 25 MPH EARLY IN THE MORNING.
SMOKE DISPERSION....34.

.THURSDAY...

SKY/WEATHER.........PARTLY SUNNY (45-55 PERCENT) THEN BECOMING
                    SUNNY (5-15 PERCENT). SHOWERS AND THUNDERSTORMS
                    LIKELY EARLY IN THE MORNING.
TEMPERATURE.........MAX 67.
RH..................MIN 29 PERCENT.
WIND (20 FT)........NORTHWEST WINDS 13 TO 16 MPH.
CWR.................60 PERCENT EARLY IN THE MORNING...DECREASING TO 0
                    PERCENT BY AFTERNOON.
LAL.................3 UNTIL 0700...THEN 1.
MIXING HEIGHT.......1600 FT AGL...INCREASING TO 4800 FT AGL IN THE
                    AFTERNOON.
TRANSPORT WINDS.....NORTHWEST 22 TO 25 MPH.
SMOKE DISPERSION....80.

$$
FORECASTER...JAMSKI
REQUESTED BY...GREG TITUS
TYPE OF REQUEST...PRESCRIBED
.TAG 20090218.SMR10.01/TAE