FNUS72 KJAX 211515
FWSJAX

SPOT FORECAST FOR 030 HASTINGS...U.S. FOREST SERVICE
NATIONAL WEATHER SERVICE JACKSONVILLE FL
1115 AM EDT TUE APR 21 2009

FORECAST IS BASED ON IGNITION TIME OF 1100 EDT ON APRIL 21.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

...RED FLAG WARNING IN EFFECT UNTIL 6 PM EDT THIS EVENING...
...FIRE WEATHER WATCH IN EFFECT FROM WEDNESDAY MORNING THROUGH
WEDNESDAY EVENING...

.DISCUSSION...RELATIVE HUMIDITY LEVELS ARE EXPECTED TO DROP TO CRITICAL
VALUES THIS AFTERNOON IN THE WAKE OF A COLD FRONTAL PASSAGE. WEST WINDS
WILL BE GUSTY AT TIMES AT 15 TO 20 MPH. CRITICALLY LOW RH VALUES WILL
AGAIN OCCUR OVER THE AREA WEDNESDAY AFTERNOON. DISPERSION VALUES
WILL BE AROUND 100 ON WEDNESDAY AS WELL.

RH VALUES WILL BE NEAR CRITICAL VALUES OVER INLAND NE FL ON THURSDAY AND
FRIDAY. WINDS WILL BE 15 MPH OR LESS.

.REST OF TODAY...

SKY/WEATHER.........SUNNY (5-12 PERCENT).
MAX TEMPERATURE.....AROUND 80.
MIN HUMIDITY........29 PERCENT.
WIND (20 FT)........WEST WINDS 9 TO 14 MPH.
MIXING HEIGHT.......4000-5900 FT AGL.
MIXING WINDS........WEST 15 TO 18 MPH.
DISPERSION INDEX....82.

TIME (EDT)       11 AM  1 PM   3 PM   5 PM
SKY (%)..........5      5      8      8
WEATHER COV......
WEATHER TYPE.....NONE   NONE   NONE   NONE
TEMP.............74     77     79     78
RH...............47     35     31     32
20 FT WIND.......WNW 7  W 13   W 14   W 13
20 FT WIND GUST..13     20     20     20
MIX HGT (FT).....4200   4600   5900   5900
TRANSPORT WIND...W 15   W 15   W 18   W 17

.TONIGHT...

SKY/WEATHER.........MOSTLY CLEAR (10-20 PERCENT).
MIN TEMPERATURE.....AROUND 54.
MAX HUMIDITY........89 PERCENT.
WIND (20 FT)........WEST WINDS 7 TO 12 MPH.
LAL.................1.
MIXING HEIGHT.......5600 FT AGL DECREASING TO 400-1200 FT AGL
                    IN THE EVENING.
MIXING WINDS........WEST 9 TO 17 MPH.
DISPERSION INDEX....5.
CHANCE OF PCPN......0 PERCENT.

TIME (EDT)       6 PM    8 PM   10 PM  MIDNGT 2 AM   4 AM
SKY (%)..........6       12     12     19     20     20
WEATHER COV.....
WEATHER TYPE.....NONE    NONE   NONE   NONE   NONE   NONE
TEMP.............76      70     64     62     59     57
RH...............36      48     60     68     75     81
20 FT WIND.......WSW 12  SW 9   SW 8   SW 8   SW 7   W 7
20 FT WIND GUST..20      15     15     15     10     10
MIX HGT (FT).....5600    1300   1200   800    400    400
TRANSPORT WIND...W 17    W 17   W 17   W 13   W 9    W 9
CHC OF PCPN (%)..0       0      0      0      10     10
LAL..............1       1      1      1      1      1

.WEDNESDAY...

SKY/WEATHER.........SUNNY (10-20 PERCENT).
MAX TEMPERATURE.....AROUND 80.
MIN HUMIDITY........23 PERCENT.
WIND (20 FT)........WEST WINDS 7 TO 14 MPH.
LAL.................1.
MIXING HEIGHT.......900-1300 FT AGL INCREASING TO 6100-6600 FT AGL.
MIXING WINDS........NORTHWEST 12 TO 17 MPH SHIFTING TO THE WEST 20
                    TO 24 MPH LATE IN THE MORNING.
DISPERSION INDEX....100-110.
CHANCE OF PCPN......0 PERCENT.

$$
FORECASTER...SHASHY
REQUESTED BY...MARK PLOSKI
TYPE OF REQUEST...PRESCRIBED
.TAG 20090421.030HA.01/JAX