FNUS72 KJAX 240754
FWSJAX

SPOT FORECAST FOR SECOND...DOF
NATIONAL WEATHER SERVICE JACKSONVILLE FL
254 AM EST WED FEB 24 2010

FORECAST IS BASED ON IGNITION TIME OF 1000 EST ON FEBRUARY 24.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

...RED FLAG WARNING IN EFFECT FROM 11 AM TO 7 PM EST THURSDAY FOR
LOW RHS AND WINDS...
...FIRE WEATHER WATCH IN EFFECT FROM FRIDAY MORNING THROUGH
FRIDAY EVENING FOR LOW RHS...

.DISCUSSION...PATCHY FOG IS POSSIBLE EARLY THIS MORNING AS CLOUDS
INCREASE FROM THE WEST. LOW PRESSURE IS FORECAST TO DEVELOP OFFSHORE
OF THE FLORIDA EAST COAST TODAY...THEN INTENSIFY AS IT LIFTS NORTHEAST
TONIGHT. THE MOISTURE AND LIFT AROUND THE LOW WILL BRING A GOOD CHANCE OF
SHOWERS TO THE AREA MAINLY LATE THIS AFTERNOON AND EARLY EVENING.

A MUCH COLDER AND DRIER AIRMASS WILL PLUNGE INTO THE REGION LATE TONIGHT
AND CONTINUE THURSDAY. NORTHWEST WINDS WILL INCREASE TO 15 MPH AFTER
MIDNIGHT TONIGHT...AND NEAR 15 TO 20 MPH ON THURSDAY WITH HIGHER GUSTS
TO 30 MPH POSSIBLE THURSDAY. THE MUCH DRIER AIR WILL DROP RH'S BELOW
CRITICAL VALUES THURSDAY...AND A RED FLAG WARNING HAS BEEN ISSUED.

EXTENDED DURATIONS OF LOW HUMIDITIES ARE EXPECTED ACROSS THE AREA ON
FRIDAY AND A FIRE WEATHER WATCH HAS BEEN ISSUED.

.TODAY...

SKY/WEATHER.........PARTLY SUNNY (60-70 PERCENT). PATCHY FOG EARLY
                    IN THE MORNING. RAIN SHOWERS LIKELY IN THE
                    AFTERNOON.
MAX TEMPERATURE.....AROUND 59.
MIN HUMIDITY........54 PERCENT.
WIND (20 FT)........NORTH WINDS AROUND 5 MPH EARLY IN THE MORNING.
                    WINDS INCREASING TO NORTHWEST 5 TO 10 MPH BY
                    AFTERNOON.
LAL.................1.
MIXING HEIGHT.......600-2000 FT AGL.
MIXING WINDS........NORTHWEST 7 TO 13 MPH.
DISPERSION INDEX....24.

TIME (EST)      10 AM  NOON   2 PM   4 PM
SKY (%).........67     67     77     78
WEATHER COV.....              LIKELY LIKELY
WEATHER TYPE....NONE   NONE   RNSHWR RNSHWR
TEMP............53     57     58     58
RH..............75     63     57     56
20 FT WIND......N 5    NW 7   NW 9   NW 10
20 FT WIND GUST.10     10     10
MIX HGT (FT)....1500   1500   2000   1800
TRANSPORT WIND..NW 9   NW 9   NW 12  NW 13
LAL.............1      1      1      1

.TONIGHT...

MAX HUMIDITY........84 PERCENT.
WIND (20 FT)........NORTHWEST WINDS 9 TO 15 MPH.
MIXING HEIGHT.......600-1800 FT AGL.
MIXING WINDS........NORTHWEST 13 TO 17 MPH.
DISPERSION INDEX....13.

TIME (EST)      6 PM   8 PM   10 PM  MIDNGT 2 AM   4 AM
RH..............68     82     81     78     75     71
20 FT WIND......NW 9   NW 10  NW 14  W 15   NW 14  NW 13
20 FT WIND GUST.10     15     15            15     15
MIX HGT (FT)....1800   900    800    800    600    700
TRANSPORT WIND..NW 13  NW 14  NW 14  NW 14  NW 15  NW 17

.THURSDAY...

MIN HUMIDITY........20 PERCENT.
WIND (20 FT)........WEST WINDS 10 TO 17 MPH. GUSTS UP TO 30 MPH IN
                    THE AFTERNOON.
MIXING HEIGHT.......700-2100 FT AGL...INCREASING TO 3300-3500 FT AGL
                    IN THE AFTERNOON.
MIXING WINDS........NORTHWEST 17 TO 26 MPH.
DISPERSION INDEX....70.

$$
FORECASTER...ENYEDI
REQUESTED BY...BARRY COULLIETTE
TYPE OF REQUEST...PRESCRIBED
.TAG 20100224.SECON.01/JAX