FNUS72 KJAX 181157
FWSJAX

SPOT FORECAST FOR CARY...FL DOF
NATIONAL WEATHER SERVICE JACKSONVILLE FL
657 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 (5-15 PERCENT).
                    TEMPERATURE.........42 AT IGNITION...MAX 56.
                    MIN HUMIDITY........47 PERCENT AT IGNITION...MIN 27 PERCENT.
WIND (20 FT)........WINDS NORTHWEST AT 10 MPH AT
                    IGNITION...BECOMING WEST 10 TO 15 MPH.
MIXING HEIGHT.......2200 FT AGL AT IGNITION...INCREASING TO 3100-4100
                    FT AGL IN THE AFTERNOON.
MIXING WINDS........NORTHWEST 9 TO 17 MPH INCREASING TO 17 TO 21
                    MPH IN THE AFTERNOON.
DISPERSION INDEX....58.

TIME (EST)      10 AM  NOON   2 PM   4 PM
SKY (%).........8      8      12     12
WEATHER COV.....
WEATHER TYPE....NONE   NONE   NONE   NONE
TEMP............42     51     54     54
RH..............47     33     29     31
20 FT WIND......NW 10  W 14   W 15   W 12
20 FT WIND GUST.15     25     25     15
MIX HGT (FT)....2200   2800   4100   3100
TRANSPORT WIND..NW 17  NW 17  W 21   NW 17

.TONIGHT...

SKY/WEATHER.........MOSTLY CLEAR (10-20 PERCENT). AREAS OF FROST
                    AFTER MIDNIGHT.
MIN TEMPERATURE.....30.
MAX HUMIDITY........83 PERCENT.
WIND (20 FT)........SOUTHWEST WINDS 5 TO 8 MPH IN THE EVENING
                    BECOMING LIGHT.
MIXING HEIGHT.......3100 FT AGL DECREASING TO 300-800 FT AGL.
MIXING WINDS........NORTHWEST 12 TO 17 MPH DECREASING TO 5 TO 7 MPH
                    IN THE LATE EVENING AND OVERNIGHT.
DISPERSION INDEX....2.

TIME (EST)      6 PM   8 PM   10 PM  MIDNGT 2 AM   4 AM
SKY (%).........12     11     11     11     20     20
WEATHER COV.....                            AREAS  AREAS
WEATHER TYPE....NONE   NONE   NONE   NONE   FROST  FROST
TEMP............49     42     39     37     36     33
RH..............42     58     66     70     72     80
20 FT WIND......W 8    W 6    SW 5   W 3    W 3    W 3
20 FT WIND GUST.10     10            5      5      5
MIX HGT (FT)....3100   800    600    600    300    500
TRANSPORT WIND..NW 17  NW 12  NW 7   NW 7   W 5    NW 7

.FRIDAY...

SKY/WEATHER.........MOSTLY SUNNY (25-35 PERCENT). AREAS OF FROST
                    EARLY IN THE MORNING.
MAX TEMPERATURE.....63.
MIN HUMIDITY........27 PERCENT.
WIND (20 FT)........LIGHT WINDS BECOMING WEST 5 TO 8 MPH IN THE
                    LATE MORNING AND AFTERNOON.
MIXING HEIGHT.......500-2200 FT AGL INCREASING TO 3500-3800 FT AGL
                    IN THE AFTERNOON.
MIXING WINDS........NORTHWEST 7 TO 10 MPH.
DISPERSION INDEX....46.

$$
FORECASTER...SHULER
REQUESTED BY...PAT DEREN
TYPE OF REQUEST...PRESCRIBED
.TAG 20100218.CARY_.01/JAX