FNUS72 KJAX 181044
FWSJAX

SPOT FORECAST FOR CDMSF  N TRACT...FL. DIVISION OF FORESTRY
NATIONAL WEATHER SERVICE JACKSONVILLE FL
544 AM EST THU FEB 18 2010

FORECAST IS BASED ON IGNITION TIME OF 1000 EST ON FEBRUARY 18.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

...RED FLAG WARNING IN EFFECT FROM 11 AM THIS MORNING TO 6 PM EST
THIS EVENING...
...FIRE WEATHER WATCH IN EFFECT FROM FRIDAY MORNING THROUGH
FRIDAY AFTERNOON...

.DISCUSSION...
LONG DURATIONS OF CRITICAL RELATIVE HUMIDITIES WILL PROMOTE DANGEROUS
FIRE WEATHER CONDITIONS TODAY. NORTHWEST WINDS AROUND 10 TO 15 MPH MAY
GUST UP TO AROUND 25 MPH AT TIMES TODAY.

DRY AIR WILL REMAIN IN PLACE WITH ADDITIONAL RED FLAG EVENTS EXPECTED
ON FRIDAY. HUMIDITIES ARE FORECAST TO DROP TO 25 TO 30
PERCENT. WINDS WILL CHECK IN MUCH LIGHTER AS HIGH PRESSURE SLOWLY
BUILDS OVER THE AREA.

.TODAY...

SKY/WEATHER.........SUNNY (10-20 PERCENT). AREAS OF FROST EARLY IN
                    THE MORNING.
                    TEMPERATURE.........44 AT IGNITION...MAX 57.
                    MIN HUMIDITY........45 PERCENT AT IGNITION...MIN 24 PERCENT.
WIND (20 FT)........WINDS NORTHWEST AT 10 MPH AT
                    IGNITION...OTHERWISE NORTHWEST WINDS 10 TO 15
                    MPH. GUSTS UP TO 25 MPH LATE IN THE MORNING.
MIXING HEIGHT.......2100 FT AGL AT IGNITION...INCREASING TO 3000-3900
                    FT AGL IN THE AFTERNOON.
MIXING WINDS........NORTHWEST 10 TO 18 MPH SHIFTING TO THE WEST 16
                    TO 24 MPH IN THE AFTERNOON.
DISPERSION INDEX....72.

TIME (EST)      10 AM  NOON   2 PM   4 PM
SKY (%).........8      8      23     23
WEATHER COV.....
WEATHER TYPE....NONE   NONE   NONE   NONE
TEMP............44     52     56     56
RH..............45     30     26     27
20 FT WIND......NW 10  NW 12  NW 13  NW 12
20 FT WIND GUST.15     25     25     15
MIX HGT (FT)....2100   2800   3900   3000
TRANSPORT WIND..NW 18  NW 21  W 24   W 16

.TONIGHT...

SKY/WEATHER.........PARTLY CLOUDY (25-35 PERCENT). AREAS OF FROST
                    AFTER MIDNIGHT.
MIN TEMPERATURE.....31.
MAX HUMIDITY........79 PERCENT.
WIND (20 FT)........NORTHWEST WINDS 5 TO 7 MPH BECOMING LIGHT.
MIXING HEIGHT.......3000 FT AGL DECREASING TO 300-800 FT AGL.
MIXING WINDS........NORTHWEST 7 TO 16 MPH DECREASING TO 5 TO 6 MPH
                    AFTER MIDNIGHT.
DISPERSION INDEX....2.

TIME (EST)      6 PM         10 PM        2 AM
SKY (%).........23           32           36
WEATHER COV.....                          AREAS
WEATHER TYPE....NONE         NONE         FROST
TEMP............50           40           37
RH..............37           60           68
20 FT WIND......W 7G10       W 5          W 5
MIX HGT (FT)....3000         600          300
TRANSPORT WIND..W 16         NW 7         NW 5

$$
FORECASTER...SHULER
REQUESTED BY...SCOTT CROSBY
TYPE OF REQUEST...PRESCRIBED
.TAG 20100218.CDMSF.01/JAX