FNUS72 KJAX 090826
FWSJAX

SPOT FORECAST FOR SCHOOL...DOF
NATIONAL WEATHER SERVICE JACKSONVILLE FL
326 AM EST WED FEB 9 2011

FORECAST IS BASED ON IGNITION TIME OF 1000 EST ON FEBRUARY 09.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...A COASTAL TROUGH WILL DEVELOP OFFSHORE OF THE FLORIDA
ATLANTIC COAST TODAY. NORTHEAST TO EAST WINDS WILL BE 10 MPH OR LESS
THIS MORNING...BECOMING SOUTH AND VERY LIGHT THIS AFTERNOON AS THE
TROUGH POSITIONS ACROSS THE AREA. AN AREA OF LOW PRESSURE WILL TRACK
ACROSS CENTRAL FLORIDA FROM THE GULF OF MEXICO TONIGHT AND THURSDAY.
WINDS WILL SHIFT TO THE NORTH EARLY THURSDAY MORNING THEN NORTHEAST
THURSDAY AFTERNOON. SPEEDS WILL NEAR 10 TO 15 MPH THURSDAY
AFTERNOON.

RELATIVE HUMIDITIES WILL REMAIN ABOVE CRITICAL VALUES THROUGH
THURSDAY.

.TODAY...

SKY/WEATHER.........MOSTLY SUNNY (25-35 PERCENT). WIDESPREAD FROST
                    EARLY IN THE MORNING.
MAX TEMPERATURE.....AROUND 65.
MIN HUMIDITY........45 PERCENT.
WIND (20 FT)........LIGHT WINDS BECOMING SOUTH AROUND 5 MPH EARLY
                    IN THE AFTERNOON.
LAL.................1.
MIXING HEIGHT.......500-2100 FT AGL INCREASING TO 2500-3600 FT AGL
                    IN THE AFTERNOON.
MIXING WINDS........NORTH 7 TO 9 MPH SHIFTING TO THE EAST LATE IN
                    THE MORNING. SOUTHWEST 8 TO 9 MPH IN THE
                    AFTERNOON.
DISPERSION INDEX....38.
CHANCE OF PCPN......0 PERCENT.

TIME (EST)      10 AM  NOON   2 PM   4 PM
SKY (%).........36     36     45     45
WEATHER COV.....
WEATHER TYPE....NONE   NONE   NONE   NONE
TEMP............48     59     64     64
RH..............70     51     45     46
20 FT WIND......NE 2   E 3    S 5    SW 3
20 FT WIND GUST.10     10     10     10
MIX HGT (FT)....2100   2100   3600   2500
TRANSPORT WIND..E 9    E 9    S 9    SW 8
DISPERSION INDX.25     25     40     26
CHC OF PCPN (%).0      0      0      0
LAL.............1      1      1      1

.TONIGHT...

MAX HUMIDITY........92 PERCENT.
MIXING HEIGHT.......600-2500 FT AGL DECREASING TO 300-600 FT AGL
                    AFTER MIDNIGHT.
MIXING WINDS........SOUTHWEST AROUND 8 MPH SHIFTING TO THE
                    NORTHWEST 5 TO 8 MPH.
DISPERSION INDEX....2.

TIME (EST)      6 PM   8 PM   10 PM  MIDNGT 2 AM   4 AM
RH..............58     73     77     82     85     88
MIX HGT (FT)....2500   1000   600    600    300    600
TRANSPORT WIND..SW 8   W 6    W 5    W 5    W 5    NW 8

.THURSDAY...

MIN HUMIDITY........60 PERCENT.
WIND (20 FT)........NORTH WINDS 5 TO 10 MPH.
MIXING HEIGHT.......600-2500 FT AGL.
MIXING WINDS........NORTHEAST 8 TO 14 MPH.
DISPERSION INDEX....26.

$$
FORECASTER...ENYEDI
REQUESTED BY...BARRY COULLIETTE
TYPE OF REQUEST...PRESCRIBED
.TAG 20110209.SCHOO.01/JAX