FNUS72 KMFL 181141
FWSMFL

SPOT FORECAST FOR HP RX...NPS BIG CYPRESS
NATIONAL WEATHER SERVICE MIAMI FL
641 AM EST THU FEB 18 2010

FORECAST IS BASED ON IGNITION TIME OF 0930 EST ON FEBRUARY 18.
IF CONDITIONS BECOME UNREPRESENTATIVE, CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...A DRY AIRMASS WILL REMAIN ACROSS SOUTH FLORIDA TODAY
AND FRIDAY, HOWEVER DURING TODAY THE NORTHWEST FLOW WILL KEEP THE
DRIEST AIR ACROSS THE LAKE OKEECHOBEE REGION AND ACROSS THE EAST
COAST METRO. THE NORTHWEST WINDS SHOULD ALLOW GULF MOISTURE TO
MOVE INTO SOUTHWEST FLORIDA KEEPING THE AREA OUT OF RED FLAG
CONDITIONS. DISPERSION VALES TODAY WILL BE GENERALLY GOOD. FRIDAY
WINDS WILL BECOME MORE NORTH TO NORTHEASTERLY ALLOWING THE LOWEST
RELATIVE HUMIDITIES TO OCCUR ALONG THE SOUTHWEST COAST. ATTM THERE
IS NO FIRE WEATHER WATCH AS THE 35 PERCENT OR LOWER RH IS
EXPECTED TO BE LIMITED TO A FEW HOURS AND THEREFORE JUST SHY OF
MEETING RED FLAG CRITERIA.

.TODAY...

SKY/WEATHER.........MOSTLY SUNNY (35-45 PERCENT).
MAX TEMPERATURE.....AROUND 66.
MIN HUMIDITY........40 PERCENT.
DEWPOINT............45.
WIND (20 FT)........NORTH WINDS AROUND 5 MPH.
WIND (EYE LEVEL)....NORTH WINDS AROUND 5 MPH.
POP (12 HR).................0 PERCENT.
POP (12 HR).................0 PERCENT.
LAL.................1.
MIXING HEIGHT.......1500-2500 FT AGL INCREASING TO 3200-3500 FT AGL
                    IN THE AFTERNOON.
MIXING WINDS........NORTH 8 TO 10 MPH.
DISPERSION INDEX....18 INCREASING TO 33 LATE IN THE MORNING...THEN
                    INCREASING TO 44 EARLY IN THE AFTERNOON
                    DECREASING TO 32 LATE IN THE AFTERNOON.
LVORI...............3.

TIME (EST)      9 AM   11 AM  1 PM   3 PM   5 PM   7 PM
SKY (%).........40     40     40     40     40     50
WEATHER COV.....
WEATHER TYPE....NONE   NONE   NONE   NONE   NONE   NONE
12 HR CHC PCPN. 0      0      0      0      0      0
 6 HR CHC PCPN. 0      0      0      0      0      0
TEMP............53     61     65     66     64     54
RH..............78     55     49     45     52     73
20 FT WIND......N 4    N 4    N 4    N 4    N 3    N 3
20 FT WIND GUST.10     10     10     10     5      5
EYE LEVEL WIND..N 4    N 4    N 4    N 4    N 3    N 3
EYE LVL WIND G..10     10     10     10     5      5
MIX HGT (FT)....2500   2500   3500   3500   3200   2000
MIXNG WIND......NW 10  NW 10  NW 10  N 10   N 8    N 7
DISP IDX (LDSI).33     33     44     44     32     5
LVORI...........4      1      1      1      1      3
LAL.............1      1      1      1      1      1

.TONIGHT...

SKY/WEATHER.........PARTLY CLOUDY (45-55 PERCENT).
MIN TEMPERATURE.....AROUND 38.
MAX HUMIDITY........95 PERCENT.
DEWPOINT............44.
WIND (20 FT)........LIGHT WINDS BECOMING NORTH 6 TO 7 MPH IN THE
                    LATE EVENING AND OVERNIGHT.
WIND (EYE LEVEL)....LIGHT WINDS BECOMING NORTH 6 TO 7 MPH IN THE
                    LATE EVENING AND OVERNIGHT.
POP (12 HR).................0 PERCENT.
POP (12 HR).................0 PERCENT.
LAL.................1.
MIXING HEIGHT.......700-2000 FT AGL.
MIXING WINDS........NORTH 7 TO 9 MPH.
DISPERSION INDEX....7.
LVORI...............5.

.FRIDAY...

SKY/WEATHER.........PARTLY SUNNY (55-65 PERCENT).
MAX TEMPERATURE.....AROUND 68.
MIN HUMIDITY........32 PERCENT.
DEWPOINT............44.
WIND (20 FT)........NORTHEAST WINDS AROUND 5 MPH IN THE MORNING
                    BECOMING LIGHT.
WIND (EYE LEVEL)....NORTHEAST WINDS AROUND 5 MPH IN THE MORNING
                    BECOMING LIGHT.
POP (12 HR).................0 PERCENT.
POP (12 HR).................0 PERCENT.
LAL.................1.
MIXING HEIGHT.......1400-2700 FT AGL.
MIXING WINDS........EAST AROUND 7 MPH SHIFTING TO THE NORTH AROUND
                    5 MPH LATE IN THE AFTERNOON.
DISPERSION INDEX....15 INCREASING TO 19 IN THE AFTERNOON.
LVORI...............4.

$$
FORECASTER...TINGLER
REQUESTED BY...J TURNBO
TYPE OF REQUEST...PRESCRIBED