FNUS72 KJAX 151118
FWSJAX

SPOT FORECAST FOR GREENFIELD...USDA - FOREST SERVICE
NATIONAL WEATHER SERVICE JACKSONVILLE FL
718 AM EDT WED APR 15 2009

FORECAST IS BASED ON IGNITION TIME OF 0830 EDT ON APRIL 15.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

...RED FLAG WARNING IN EFFECT FROM NOON TODAY TO 6 PM EDT THIS
EVENING...
...FIRE WEATHER WATCH IN EFFECT THURSDAY AFTERNOON...

.DISCUSSION...
DRY AIR BEHIND A COLD FRONT WILL SET THE STAGE FOR RED FLAG CONDITIONS
THIS AFTERNOON ACROSS MUCH OF NORTHEAST FLORIDA AWAY FROM THE ATLANTIC
COAST. TEMPS IN THE LOW TO MID 70S ARE EXPECTED TO COMBINE WITH
DEWPOINTS IN THE LOW 40S TO PRODUCE 4 TO 6 HOURS OF SUB 35 PERCENT
RELATIVE HUMIDITIES.

DRY AIR WILL LINGER INTO THURSDAY WITH RED FLAG CONDITIONS
POSSIBLE ACROSS THE INTERSTATE 75 CORRIDOR.

SUSTAINED WINDS WILL REMAIN LESS THAN 15 MPH THROUGH THURSDAY WITH
HIGHER GUSTS IN ONSHORE FLOW POSSIBLE ALONG THE COAST THURSDAY
AFTERNOON.

.TODAY...

SKY/WEATHER.........SUNNY (0-10 PERCENT).
MAX TEMPERATURE.....AROUND 76.
MIN HUMIDITY........29 PERCENT.
WIND (20 FT)........NORTHWEST WINDS 6 TO 8 MPH.
MIXING HEIGHT.......700-2500 FT AGL INCREASING TO 2500-3900 FT AGL
                    EARLY IN THE AFTERNOON.
MIXING WINDS........NORTHWEST 10 TO 13 MPH.
DISPERSION INDEX....59.

TIME (EDT)      8 AM   10 AM  NOON   2 PM   4 PM
SKY (%).........6      6      4      2      2
WEATHER COV.....
WEATHER TYPE....NONE   NONE   NONE   NONE   NONE
TEMP............59     68     73     75     75
RH..............76     50     37     31     33
20 FT WIND......NW 6   NW 7   W 8    W 8    NW 7
20 FT WIND GUST.10     10     10     10     10
MIX HGT (FT)....1100   2500   2500   3900   3900
TRANSPORT WIND..NW 10  NW 12  NW 12  W 13   NW 13

.TONIGHT...

SKY/WEATHER.........MOSTLY CLEAR (0-10 PERCENT).
MIN TEMPERATURE.....AROUND 48.
MAX HUMIDITY........92 PERCENT.
WIND (20 FT)........NORTHWEST WINDS 5 TO 6 MPH EARLY IN THE EVENING
                    BECOMING LIGHT.
MIXING HEIGHT.......700-2500 FT AGL DECREASING TO 300-700 FT AGL
                    AFTER MIDNIGHT.
MIXING WINDS........NORTH 5 TO 12 MPH.
DISPERSION INDEX....2.

TIME (EDT)      6 PM   8 PM   10 PM  MIDNGT 2 AM   4 AM
SKY (%).........2      7      7      3      4      4
WEATHER COV.....
WEATHER TYPE....NONE   NONE   NONE   NONE   NONE   NONE
TEMP............72     65     60     57     54     52
RH..............36     50     64     73     78     84
20 FT WIND......NW 6   NW 5   NW 3   NW 3   NW 3   NW 2
20 FT WIND GUST.10            5      5      5      5
MIX HGT (FT)....2500   1100   1100   700    300    300
TRANSPORT WIND..NW 12  NW 10  NW 10  NW 7   N 5    N 5

.THURSDAY...

SKY/WEATHER.........SUNNY (10-20 PERCENT).
MAX TEMPERATURE.....AROUND 79.
MIN HUMIDITY........29 PERCENT.
WIND (20 FT)........LIGHT WINDS BECOMING NORTHEAST 5 TO 10 MPH IN
                    THE LATE MORNING AND AFTERNOON.
MIXING HEIGHT.......700-1000 FT AGL INCREASING TO 3400-5000 FT AGL.
MIXING WINDS........NORTHEAST 7 TO 16 MPH.
DISPERSION INDEX....62.

$$
FORECASTER...WOLF
REQUESTED BY...WAYNE BURNS
TYPE OF REQUEST...PRESCRIBED
.TAG 20090415.GREEN.01/JAX