FNUS72 KJAX 201238
FWSJAX

SPOT FORECAST FOR GALLBERRY...USDA
NATIONAL WEATHER SERVICE JACKSONVILLE FL
738 AM EST MON DEC 20 2010

FORECAST IS BASED ON IGNITION TIME OF 0800 EST ON DECEMBER 20.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

...RED FLAG WARNING IN EFFECT FROM NOON TODAY TO 6 PM EST THIS
EVENING DUE TO EXTENDED HOURS OF LOW RELATIVE HUMIDITY...

.DISCUSSION...DRY AIR WILL CONTINUE TO FILTER INTO THE AREA TODAY
WITH RH VALUES GENERALLY BOTTOMING OUT BETWEEN 30 AND 35 PERCENT
THIS AFTERNOON. IN RESPONSE...A RED FLAG WARNINGS HAS BEEN ISSUED
FOR THAT AREA.

THE AIR MASS WILL MODIFY TUESDAY AND WEDNESDAY WITH HIGH PRESSURE
SHIFTING SOUTH OF THE AREA. RH VALUES WILL STAY ABOVE CRITICAL
LEVELS BOTH DAYS. WIND SPEEDS WILL CONTINUE BELOW 15 MPH.

.TODAY...

SKY/WEATHER.........SUNNY (15-25 PERCENT). PATCHY FOG AND FROST
                    EARLY IN THE MORNING.
MAX TEMPERATURE.....AROUND 57.
MIN HUMIDITY........34 PERCENT.
WIND (20 FT)........LIGHT WINDS BECOMING NORTHEAST 5 TO 7 MPH IN
                    THE LATE MORNING AND AFTERNOON.
LAL.................1.
MIXING HEIGHT.......500-1700 FT AGL INCREASING TO 2200-2700 FT AGL
                    IN THE AFTERNOON.
MIXING WINDS........NORTHEAST 6 TO 12 MPH.
DISPERSION INDEX....22.

TIME (EST)      8 AM   10 AM  NOON   2 PM   4 PM
SKY (%).........24     24     24     17     17
WEATHER COV.....
WEATHER TYPE....NONE   NONE   NONE   NONE   NONE
TEMP............35     45     53     56     56
RH..............73     49     37     34     35
20 FT WIND......N 2    N 5    N 6    NE 7   NE 6
20 FT WIND GUST.10     10     10     10     10
MIX HGT (FT)....700    1700   1700   2700   2200
TRANSPORT WIND..NE 12  N 8    N 8    N 6    NE 6
LAL.............1      1      1      1      1

.TONIGHT...

SKY/WEATHER.........MOSTLY CLEAR (15-25 PERCENT). AREAS OF FROST
                    AFTER MIDNIGHT.
MIN TEMPERATURE.....AROUND 30.
MAX HUMIDITY........99 PERCENT.
WIND (20 FT)........NORTHEAST WINDS 5 TO 6 MPH EARLY IN THE EVENING
                    BECOMING LIGHT.
LAL.................1.
MIXING HEIGHT.......900-2200 FT AGL DECREASING TO 200-500 FT AGL
                    AFTER MIDNIGHT.
MIXING WINDS........SOUTH 5 TO 7 MPH.
DISPERSION INDEX....2.

TIME (EST)      6 PM   8 PM   10 PM  MIDNGT 2 AM   4 AM
SKY (%).........17     19     19     19     27     27
WEATHER COV.....                            AREAS  AREAS
WEATHER TYPE....NONE   NONE   NONE   NONE   FROST  FROST
TEMP............49     41     37     35     33     32
RH..............49     68     76     79     85     91
20 FT WIND......NE 6   E 3    E 2    SE 1   SE 0   SE 0
20 FT WIND GUST.10     10     5      5
MIX HGT (FT)....2200   1600   900    900    200    500
TRANSPORT WIND..NE 6   E 7    E 6    E 6    SE 5   S 5
LAL.............1      1      1      1      1      1

.TUESDAY...

SKY/WEATHER.........SUNNY (20-30 PERCENT). AREAS OF FROST EARLY IN
                    THE MORNING.
MAX TEMPERATURE.....AROUND 65.
MIN HUMIDITY........41 PERCENT.
WIND (20 FT)........LIGHT WINDS BECOMING SOUTHWEST 5 TO 7 MPH LATE
                    IN THE MORNING.
LAL.................1.
MIXING HEIGHT.......500-1800 FT AGL INCREASING TO 2400-2800 FT AGL
                    IN THE AFTERNOON.
MIXING WINDS........SOUTHWEST 5 TO 9 MPH.
DISPERSION INDEX....21.

$$
FORECASTER...TRABERT
REQUESTED BY...PETE MYERS
TYPE OF REQUEST...PRESCRIBED
.TAG 20101220.GALLB.01/JAX