FNUS72 KJAX 151337
FWSJAX

SPOT FORECAST FOR CECIL...DOF
NATIONAL WEATHER SERVICE JACKSONVILLE FL
837 AM EST TUE FEB 15 2011

FORECAST IS BASED ON IGNITION TIME OF 1000 EST ON FEBRUARY 15.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...A BACK DOOR FRONT PRESENTLY JUST NORTH OF JACKSONVILLE
WILL MOVE THROUGH SOUTHERN DUVAL AND NORTHERN CLAY COUNTIES WITHIN
THE NEXT 2 HOURS. THE AIR MASS WILL BE MODIFIED SINCE IT WILL
COME ON NORTHEAST WINDS OFF THE ATLANTIC. NORTHEAST WINDS WILL
BEGIN TO DEVELOP AROUND 10 AM THIS MORNING.

WEDNESDAY...HIGH PRESSURE WILL BEGIN TO MOVE OFFSHORE BRINGING MORE
MOISTURE TO THE AREA AND NO RED FLAGS ARE EXPECTED. A FEW SPRINKLES
WILL BE POSSIBLE. SUSTAINED WINDS OF 10 TO 15 MPH ARE EXPECTED
NEAR THE COAST.

.TODAY...

SKY/WEATHER.........MOSTLY SUNNY (15-25 PERCENT).
MAX TEMPERATURE.....AROUND 68.
MIN HUMIDITY........42 PERCENT.
WIND (20 FT)........NORTHEAST WINDS 5 TO 14 MPH INCREASING TO 13 TO
                    15 MPH IN THE AFTERNOON.
MIXING HEIGHT.......600-2100 FT AGL INCREASING TO NEAR 3900 FT AGL
                    IN THE AFTERNOON.
MIXING WINDS........EAST 13 TO 21 MPH.
DISPERSION INDEX....57.

TIME (EST)      10 AM  NOON   2 PM   4 PM
SKY (%).........18     20     32     32
WEATHER COV.....
WEATHER TYPE....NONE   NONE   NONE   NONE
TEMP............58     63     67     67
RH..............57     47     42     43
20 FT WIND......NNE 12 NE 15  E 15   E 14
20 FT WIND GUST.15     20     20     20
MIX HGT (FT)....1700   2100   3800   3800
TRANSPORT WIND..NE 21  NE 21  E 21   E 21
DISPERSION INDX.53     41     57     56

.TONIGHT...

SKY/WEATHER.........PARTLY CLOUDY (30-40 PERCENT) THEN BECOMING
                    MOSTLY CLOUDY (45-55 PERCENT). SLIGHT CHANCE OF
                    SPRINKLES AFTER MIDNIGHT.
MIN TEMPERATURE.....AROUND 47.
MAX HUMIDITY........100 PERCENT.
WIND (20 FT)........NORTHEAST WINDS 5 TO 12 MPH.
MIXING HEIGHT.......3800 FT AGL DECREASING TO 400-1000 FT AGL.
MIXING WINDS........EAST 13 TO 21 MPH DECREASING TO 8 TO 9 MPH
                    AFTER MIDNIGHT.
DISPERSION INDEX....6.
LVORI...............6.

TIME (EST)      6 PM   8 PM   10 PM  MIDNGT 2 AM   4 AM
SKY (%).........32     38     38     38     52     52
WEATHER COV.....                            S CHC  S CHC
WEATHER TYPE....NONE   NONE   NONE   NONE   RNSHWR RNSHWR
TEMP............62     56     53     51     50     48
RH..............55     72     80     85     90     97
20 FT WIND......NE 12  NE 8   NE 7   NE 7   NE 7   NE 5
20 FT WIND GUST.20     15     15     10     10
MIX HGT (FT)....3800   1000   700    700    500    400
TRANSPORT WIND..E 21   NE 18  E 13   E 13   E 8    E 9
LVORI...........6      6      6      6      6      6
DISPERSION INDX.76     12     6      6      5      6

.WEDNESDAY...

SKY/WEATHER.........PARTLY SUNNY (50-60 PERCENT).
MAX TEMPERATURE.....AROUND 69.
MIN HUMIDITY........53 PERCENT.
WIND (20 FT)........LIGHT WINDS BECOMING EAST 5 TO 10 MPH EARLY IN
                    THE MORNING.
MIXING HEIGHT.......700-2600 FT AGL INCREASING TO 3400-4200 FT AGL
                    IN THE AFTERNOON.
MIXING WINDS........EAST 9 TO 16 MPH.
DISPERSION INDEX....50.

$$
FORECASTER...SHASHY
REQUESTED BY...KEITH CUMMINGS
TYPE OF REQUEST...PRESCRIBED
.TAG 20110215.CECIL.01/JAX