FNUS72 KJAX 121226
FWSJAX

SPOT FORECAST FOR BLACKMAN...U.S. FOREST SERVICE
NATIONAL WEATHER SERVICE JACKSONVILLE FL
726 AM EST SAT JAN 12 2013

FORECAST IS BASED ON IGNITION TIME OF 0930 EST ON JANUARY 12.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...
HIGH PRESSURE WILL REMAIN TO THE EAST OF THE REGION THROUGH THE WEEKEND
WITH A WARM AND MOIST FLOW SOUTH FLOW OVER THE AREA. WIND SPEEDS WILL BE
LESS THAN 15 MPH...AND RHS ABOVE CRITICAL VALUES. OVERNIGHT AND EARLY
MORNING DENSE FOG IS EXPECTED.

THE NEXT WEATHER FEATURE TO AFFECT
THE REGION WILL BE A COLD FRONT TOWARD THE MIDDLE OF NEXT WEEK.

.TODAY...

SKY/WEATHER.........AREAS OF DENSE FOG EARLY IN THE MORNING UNDER
                    INVERSION. FOG LIFTING BY MID TO LATE MORNING
                    INTO SCATTERED CUMULUS. MOSTLY SUNNY SKIES THIS AFTERNOON.
MAX TEMPERATURE.....AROUND 82.
MIN HUMIDITY........48 PERCENT.
WIND (20 FT)........LIGHT WINDS BECOMING SOUTH 5 TO 7 MPH BY AFTERNOON.
MIXING HEIGHT.......100-900 FT AGL INCREASING TO 3400-4100 FT AGL.
MIXING WINDS........SOUTHEAST 2 TO 9 MPH.
DISPERSION INDEX....6 INCREASING TO 42 IN THE AFTERNOON.
LVORI...............5.

TIME (EST)      9 AM   11 AM  1 PM   3 PM   5 PM
SKY (%).........40     36     33     34     32
WEATHER COV.....
WEATHER TYPE....NONE   NONE   NONE   NONE   NONE
TEMP............68     77     81     82     78
RH..............91     68     50     49     64
20 FT WIND......S 6    S 7    S 7    S 6    SE 5
20 FT WIND GUST.10     10     10     10     10
MIX HGT (FT)....900    3000   4000   4100   3400
TRANSPORT WIND..S 7    S 8    S 9    SE 8   SE 7
LVORI...........8      3      1      1      3
DISPERSION INDX.9      31     44     40     30

.TONIGHT...

SKY/WEATHER.........PARTLY CLOUDY (30-40 PERCENT). AREAS OF FOG
                    AFTER MIDNIGHT.
MIN TEMPERATURE.....AROUND 57.
MAX HUMIDITY........100 PERCENT.
WIND (20 FT)........SOUTHEAST WINDS AROUND 5 MPH IN THE EVENING
                    BECOMING LIGHT.
MIXING HEIGHT.......700-2500 FT AGL DECREASING TO 200-500 FT AGL
                    AFTER MIDNIGHT.
MIXING WINDS........SOUTHEAST 6 TO 12 MPH.
DISPERSION INDEX....9.
LVORI...............5.

TIME (EST)      6 PM   8 PM   10 PM  MIDNGT 2 AM   4 AM
SKY (%).........30     26     23     29     37     45
WEATHER COV.....                     AREAS  AREAS  AREAS
WEATHER TYPE....NONE   NONE   NONE   FOG    FOG    FOG
TEMP............73     67     63     61     60     58
RH..............64     77     81     88     93     96
20 FT WIND......SE 5   SE 5   SE 5   SE 3   SE 2   S 2
20 FT WIND GUST.                     5      5      5
MIX HGT (FT)....2500   1400   1200   700    400    300
TRANSPORT WIND..SE 7   SE 6   SE 6   SE 6   SE 8   SE 10
LVORI...........3      4      5      6      6      7
DISPERSION INDX.4      4      4      4      5      6

.SUNDAY...

SKY/WEATHER.........MOSTLY SUNNY (40-50 PERCENT). AREAS OF FOG
                    EARLY IN THE MORNING.
MAX TEMPERATURE.....AROUND 80.
MIN HUMIDITY........52 PERCENT.
WIND (20 FT)........LIGHT WINDS BECOMING SOUTH 6 TO 10 MPH BY AFTERNOON.
MIXING HEIGHT.......100-1800 FT AGL INCREASING TO 2600-3700 FT AGL
                    IN THE AFTERNOON.
MIXING WINDS........SOUTHWEST 10 TO 16 MPH.
DISPERSION INDEX....15 INCREASING TO 51 IN THE AFTERNOON.

$$
FORECASTER...ENYEDI
REQUESTED BY...PETER MYERS
TYPE OF REQUEST...PRESCRIBED
.TAG 20130112.BLACK.01/JAX