FNUS72 KJAX 171757
FWSJAX

SPOT FORECAST FOR COMP 249 MOSS BLUFF...USFS
NATIONAL WEATHER SERVICE JACKSONVILLE FL
1257 PM EST THU DEC 17 2009

FORECAST IS BASED ON IGNITION TIME OF 1240 EST ON DECEMBER 17.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...A SURFACE LOW WILL TRACK ACROSS THE NORTHERN GULF OF
MEXICO AND ACROSS NORTH FLORIDA TONIGHT AND EARLY FRIDAY. RAIN CHANCES
WILL INCREASE OVER THE AREA FROM THE SOUTH TODAY AS A WARM FRONT LIFTS
FROM SOUTH FLORIDA TO NORTHERN FLORIDA. WIDESPREAD RAIN IS EXPECTED
ACROSS MOST OF THE AREA TONIGHT WITH ISOLATED THUNDERSTORMS POSSIBLE
ACROSS NORTH FLORIDA. RELATIVE HUMIDITIES WILL REMAIN ABOVE CRITICAL
VALUES.

BREEZY NORTHEAST WINDS ARE EXPECTED TODAY WITH THE HIGHEST MAGNITUDES
AROUND 15 TO 20 MPH ACROSS NORTHEAST FLORIDA ALONG THE ATLANTIC COAST
AND NEAR INLAND BODIES OF WATER. GUSTS TO 30 MPH WILL BE POSSIBLE.
FRIDAY WINDS WILL SHIFT TO THE SOUTH ACROSS NORTH FLORIDA
AS THE SURFACE LOW DEPARTS NORTHEAST OFFSHORE OF THE GEORGIA AND SOUTH
CAROLINA COASTS.

STRONG NORTHWEST WINDS AND DRIER AND COLDER AIR WILL FILTER OVER THE
AREA THIS WEEKEND.

.TODAY...

SKY/WEATHER.........CLOUDY (90-100 PERCENT). CHANCE OF LIGHT RAIN
                    SHOWERS IN THE AFTERNOON.
MAX TEMPERATURE.....LOW TO MID 70S.
MIN HUMIDITY........71 PERCENT.
WIND (20 FT)........EAST WINDS 10 TO 14 MPH WITH HIGHER GUSTS.
LAL.................1.
MIXING HEIGHT.......800-2200 FT AGL.
MIXING WINDS........EAST 17 TO 24 MPH.
DISPERSION INDEX....48.

TIME (EST)      NOON   2 PM   4 PM
SKY (%).........89     89     89
WEATHER COV.....CHANCE CHANCE CHANCE
WEATHER TYPE....RNSHWR RNSHWR RNSHWR
TEMP............69     70     69
RH..............75     74     77
20 FT WIND......NE 14  NE 13  E 13
20 FT WIND GUST.20     20     20
MIX HGT (FT)....2200   2200   2000
TRANSPORT WIND..E 24   E 24   E 21
LAL.............3      3      3

.TONIGHT...

SKY/WEATHER.........CLOUDY (90-100 PERCENT). CHANCE OF SHOWERS
                    EARLY IN THE EVENING...THEN RAIN LIKELY IN THE
                    EVENING. RAIN AND ISOLATED THUNDERSTORMS AFTER
                    MIDNIGHT.
MIN TEMPERATURE.....AROUND 61.
MAX HUMIDITY........100 PERCENT.
WIND (20 FT)........SOUTHEAST WINDS 8 TO 12 MPH.
LAL.................1 UNTIL 0100...THEN 2.
MIXING HEIGHT.......500-2000 FT AGL.
MIXING WINDS........SOUTHEAST 12 TO 21 MPH.
DISPERSION INDEX....11.

TIME (EST)      6 PM   8 PM   10 PM  MIDNGT 2 AM   4 AM
SKY (%).........89     96     96     96     92     92
WEATHER COV.....CHANCE LIKELY LIKELY LIKELY DEFNTE DEFNTE
WEATHER TYPE....RNSHWR RAIN   RAIN   RAIN   RAIN   RAIN
TEMP............67     65     64     63     63     62
RH..............82     87     90     94     97     97
20 FT WIND......E 12   E 9    E 10   E 10   E 9    SE 8
20 FT WIND GUST.15     15     15     15     15     15
MIX HGT (FT)....2000   1200   800    800    500    800
TRANSPORT WIND..E 21   E 17   E 14   E 14   E 12   SE 13
LAL.............3      2      2      2      2      2

.FRIDAY...

SKY/WEATHER.........CLOUDY (90-100 PERCENT). RAIN IN THE MORNING.
                    CHANCE OF THUNDERSTORMS IN THE MORNING...THEN
                    RAIN LIKELY AND CHANCE OF THUNDERSTORMS IN THE
                    AFTERNOON.
MAX TEMPERATURE.....AROUND 75.
MIN HUMIDITY........74 PERCENT.
WIND (20 FT)........SOUTH WINDS 8 TO 14 MPH.
LAL.................2 UNTIL 0700...THEN 4 UNTIL 1300...THEN 1.
MIXING HEIGHT.......800-1400 FT AGL.
MIXING WINDS........SOUTH 13 TO 16 MPH.
DISPERSION INDEX....25.

$$
FORECASTER...SHULER
REQUESTED BY...MIKE WILLIAMS
TYPE OF REQUEST...PRESCRIBED
.TAG 20091217.COMP2.01/JAX