FNUS72 KJAX 051334
FWSJAX

SPOT FORECAST FOR CECIL...DOF
NATIONAL WEATHER SERVICE JACKSONVILLE FL
834 AM EST FRI MAR 5 2010

FORECAST IS BASED ON IGNITION TIME OF 1000 EST ON MARCH 05.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

...RED FLAG WARNING IN EFFECT FROM NOON TODAY TO 6 PM EST THIS
EVENING FOR LOW RELATIVE HUMIDITY...
...FIRE WEATHER WATCH IN EFFECT SATURDAY AFTERNOON FOR LOW RH...

.DISCUSSION...UNSEASONABLY COOL AIR WILL CONTINUE OVER THE AREA
WITH DRY CONDITIONS IN PLACE TO PRODUCE 5 TO 6 HOURS OF CRITICALLY
LOW RELATIVE HUMIDITIES TODAY AND LIKELY AGAIN ON SATURDAY AND
SUNDAY. THE LOW LEVEL FLOW WILL BE NORTHERLY TODAY AND SATURDAY
WITH SPEEDS BELOW 15 MPH. WEAKER NORTHERLY FLOW ON SATURDAY MAY
RESULT IN A WEAK AFTERNOON SEA BREEZE THAT MAY REACH CECIL BEFORE
SUNSET.

.TODAY...

SKY/WEATHER.........SUNNY (5-15 PERCENT). AREAS OF FROST EARLY IN
                    THE MORNING.
MAX TEMPERATURE.....AROUND 60.
MIN HUMIDITY........28 PERCENT.
WIND (20 FT)........LIGHT WINDS BECOMING NORTHWEST 6 TO 12 MPH IN
                    THE LATE MORNING AND AFTERNOON.
MIXING HEIGHT.......600-700 FT AGL INCREASING TO 2600-4500 FT AGL
                    IN THE LATE MORNING AND AFTERNOON.
MIXING WINDS........NORTH 9 TO 15 MPH.
DISPERSION INDEX....59.

TIME (EST)      10 AM  NOON   2 PM   4 PM
SKY (%).........7      7      7      6
WEATHER COV.....
WEATHER TYPE....NONE   NONE   NONE   NONE
TEMP............44     55     58     58
RH..............59     36     31     30
20 FT WIND......N 7    NW 9   NW 10  NW 12
20 FT WIND GUST.10     20     20     15
MIX HGT (FT)....2600   2600   4500   4500
TRANSPORT WIND..NW 15  NW 15  NW 15  N 15

.TONIGHT...

MIN TEMPERATURE.....AROUND 30.
MAX HUMIDITY........83 PERCENT.
WIND (20 FT)........NORTHWEST WINDS 5 TO 8 MPH IN THE EVENING
                    BECOMING LIGHT.
MIXING HEIGHT.......4500 FT AGL DECREASING TO 300-900 FT AGL.
MIXING WINDS........NORTH 8 TO 15 MPH DECREASING TO 5 TO 8 MPH
                    AFTER MIDNIGHT.
DISPERSION INDEX....2.

TIME (EST)      6 PM   8 PM   10 PM  MIDNGT 2 AM   4 AM
TEMP............52     44     40     37     35     33
RH..............42     59     67     73     78     81
20 FT WIND......N 8    N 6    NW 5   N 3    N 2    NW 3
20 FT WIND GUST.15     10     10     5      5      5
MIX HGT (FT)....4500   900    600    600    300    500
TRANSPORT WIND..N 15   N 13   N 8    N 8    N 5    N 8

.SATURDAY...

MAX TEMPERATURE.....AROUND 61.
MIN HUMIDITY........27 PERCENT.
WIND (20 FT)........LIGHT WINDS BECOMING NORTH 6 TO 9 MPH IN THE
                    LATE MORNING AND AFTERNOON.
MIXING HEIGHT.......500-800 FT AGL INCREASING TO 4700-5300 FT AGL.
MIXING WINDS........NORTH 8 TO 15 MPH.
DISPERSION INDEX....57.

$$
FORECASTER...TRABERT
REQUESTED BY...KEITH CUMMINGS
TYPE OF REQUEST...PRESCRIBED
.TAG 20100305.CECIL.01/JAX