FNUS72 KJAX 161300
FWSJAX

SPOT FORECAST FOR PRAIRIE BURN...FLORIDA DEP
NATIONAL WEATHER SERVICE JACKSONVILLE FL
900 AM EDT WED MAR 16 2011

FORECAST IS BASED ON IGNITION TIME OF 1100 EDT ON MARCH 16.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...A WEAKENING COLD FRONT WILL APPROACH FROM THE NORTHWEST
LATE TODAY AND MOVE SOUTH OF THE AREA TONIGHT. HIGH PRESSURE WILL QUICKLY
SETTLE IN BEHIND THE FRONT.

RELATIVE HUMIDITIES ARE FORECAST TO BOTTOM OUT AROUND 40 PERCENT THIS
AFTERNOON. IN ADDITION...WESTERLY WINDS WILL SUSTAIN AROUND 10 MPH BY
LATE MORNING AND CONTINUE THROUGH THE AFTERNOON WITH GUSTS TO AROUND 15
MPH. AN ISOLATED SHOWER WILL BE POSSIBLE LATE IN THE DAY.

DRY AIR WILL SETTLE OVER THE AREA TOMORROW THROUGH SATURDAY. LOW
HUMIDITIES ARE EXPECTED...BUT WINDS AND ERC VALUES WILL REMAIN
BELOW RED FLAG THRESHOLDS.

.TODAY...

SKY/WEATHER.........BECOMING PARTLY CLOUDY (40-50 PERCENT).
MAX TEMPERATURE.....AROUND 82.
MIN HUMIDITY........39 PERCENT.
WIND (20 FT)........LIGHT WINDS BECOMING WEST 10 MPH IN THE LATE MORNING
                    AND AFTERNOON.
MIXING HEIGHT.......600-1000 FT AGL INCREASING TO 3100 FT AGL LATE
                    IN THE MORNING...THEN INCREASING TO 5100 FT AGL
                    EARLY IN THE AFTERNOON DECREASING TO 3100 FT
                    AGL LATE IN THE AFTERNOON.
MIXING WINDS........WEST 6 TO 15 MPH INCREASING TO AROUND 16 MPH
                    IN THE AFTERNOON.
DISPERSION INDEX....62.
CHANCE OF PCPN......10 PERCENT LATE.

TIME (EDT)      11 AM  1 PM   3 PM   5 PM
SKY (%).........60     60     32     31
WEATHER COV.....
WEATHER TYPE....NONE   NONE   NONE   NONE
TEMP............70     78     81     81
RH..............64     46     40     39
20 FT WIND......SW 7   W 8    W 10   W 10
20 FT WIND GUST.15     15     15     15
MIX HGT (FT)....3100   3100   5100   3100
TRANSPORT WIND..SW 12  SW 12  W 15   W 16
CHC OF PCPN (%).0      0      0      10

.TONIGHT...

SKY/WEATHER.........BECOMING MOSTLY CLEAR (15-25 PERCENT).
MIN TEMPERATURE.....AROUND 46.
MAX HUMIDITY........96 PERCENT.
WIND (20 FT)........WEST WINDS 5 TO 10 MPH IN THE EVENING BECOMING
                    LIGHT.
MIXING HEIGHT.......3100 FT AGL DECREASING TO 200-1100 FT AGL EARLY
                    IN THE EVENING.
MIXING WINDS........NORTHWEST 9 TO 16 MPH SHIFTING TO THE NORTH 5
                    TO 8 MPH AFTER MIDNIGHT.
DISPERSION INDEX....2.
CHANCE OF PCPN......10 PERCENT IN THE EARLY EVENING...THEN 0 PERCENT.
LVORI...............6.

TIME (EDT)      6 PM   8 PM   10 PM  MIDNGT 2 AM   4 AM
SKY (%).........31     10     10     9      8      8
WEATHER COV.....
WEATHER TYPE....NONE   NONE   NONE   NONE   NONE   NONE
TEMP............78     67     59     55     52     49
RH..............43     60     77     86     93     95
20 FT WIND......W 10   W 7    W 6    W 3    NW 3   N 2
20 FT WIND GUST.15     15     15     10     5      10
MIX HGT (FT)....3100   1100   1100   700    200    200
TRANSPORT WIND..W 16   W 14   W 14   NW 9   N 5    N 5
LVORI...........6      6      6      6      6      6
DISPERSION INDX.53     6      6      4      2      2
CHC OF PCPN (%).10     10     0      0      0      0

$$
FORECASTER...ZAPPE
REQUESTED BY...JIM WEIEMR
TYPE OF REQUEST...PRESCRIBED
.TAG 20110316.PRAIR.02/JAX