FNUS72 KJAX 181233
FWSJAX

SPOT FORECAST FOR BELMORE18...DOF
NATIONAL WEATHER SERVICE JACKSONVILLE FL
733 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. WESTERLY 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 AND SATURDAY. 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). AREAS OF FROST EARLY IN
                    THE MORNING.
MAX TEMPERATURE.....AROUND 56.
MIN HUMIDITY........25 PERCENT.
WIND (20 FT)........WEST WINDS INCREASING TO 15 MPH. GUSTS UP TO 25 MPH
                    IN THE AFTERNOON.
MIXING HEIGHT.......500 FT AGL INCREASING TO 2900-3900 FT AGL
                    IN THE AFTERNOON.
MIXING WINDS........NORTHWEST 15 MPH INCREASING TO 20 MPH IN THE AFTERNOON.
DISPERSION INDEX....72.

TIME (EST)      10 AM  NOON   2 PM   4 PM
SKY (%).........8      8      18     18
WEATHER COV.....
WEATHER TYPE....NONE   NONE   NONE   NONE
TEMP............43     51     55     55
RH..............45     31     27     29
20 FT WIND......NW 10  NW 13  W 13   NW 12
20 FT WIND GUST.15     20     20     18
MIX HGT (FT)....2100   2100   3900   2900
TRANSPORT WIND..NW 17  NW 17  W 20   NW 16

.TONIGHT...

SKY/WEATHER.........MOSTLY CLEAR (20-30 PERCENT). AREAS OF FROST
                    AFTER MIDNIGHT.
MIN TEMPERATURE.....AROUND 30.
MAX HUMIDITY........84 PERCENT.
WIND (20 FT)........NORTHWEST WINDS 5 TO 10 MPH BECOMING LIGHT.
MIXING HEIGHT.......2900 FT AGL DECREASING TO 300-800 FT AGL.
MIXING WINDS........NORTHWEST 15 MPH DECREASING TO 5 TO 10 MPH AFTER MIDNIGHT.
DISPERSION INDEX....2.

TIME (EST)      6 PM   8 PM   10 PM  MIDNGT 2 AM   4 AM
SKY (%).........18     31     31     31     28     28
WEATHER COV.....                            AREAS  AREAS
WEATHER TYPE....NONE   NONE   NONE   NONE   FROST  FROST
TEMP............49     42     39     36     35     33
RH..............40     56     64     69     72     80
20 FT WIND......W 8    W 5    W 5    W 5    W 5    NW 5
20 FT WIND GUST.12     7      7      7      7      7
MIX HGT (FT)....2900   800    600    600    300    500
TRANSPORT WIND..NW 16  NW 12  NW 7   NW 7   NW 5   NW 7

.FRIDAY...

SKY/WEATHER.........MOSTLY SUNNY (30-40 PERCENT). AREAS OF FROST
                    EARLY IN THE MORNING.
MAX TEMPERATURE.....AROUND 63.
MIN HUMIDITY........25 PERCENT.
WIND (20 FT)........LIGHT WINDS BECOMING WEST 5 TO 10 MPH IN THE AFTERNOON.
MIXING HEIGHT.......500 FT AGL INCREASING TO 3800-4100 FT AGL IN THE AFTERNOON.
MIXING WINDS........NORTHWEST 10 MPH.
DISPERSION INDEX....44.

$$
FORECASTER...HESS
REQUESTED BY...KEVIN MACEWEN
TYPE OF REQUEST...PRESCRIBED
.TAG 20100218.BELMO.01/JAX