FNUS72 KJAX 201240
FWSJAX

SPOT FORECAST FOR SWARTHOUT...USDA
NATIONAL WEATHER SERVICE JACKSONVILLE FL
740 AM EST THU JAN 20 2011

FORECAST IS BASED ON IGNITION TIME OF 0800 EST ON JANUARY 20.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...WEAK HIGH PRESSURE WILL BUILD INTO THE MID-ATLANTIC
STATES TODAY. A COLD FRONT IS EXPECTED TO MOVE ACROSS THE AREA
ON FRIDAY WITH HIGH PRESSURE BUILDING NORTH OF THE AREA THIS
WEEKEND. PARTLY TO MOSTLY SUNNY SKIES ARE EXPECTED TODAY AFTER THE
MORNING FOG BURNS OFF WITH LIGHT WINDS. SHOWERS ARE EXPECTED TO
DEVELOP TONIGHT AND END DURING THE DAY ON FRIDAY.

.TODAY...

SKY/WEATHER.........PARTLY SUNNY (45-55 PERCENT). AREAS OF DENSE
                    FOG EARLY IN THE MORNING.
MAX TEMPERATURE.....AROUND 70.
MIN HUMIDITY........52 PERCENT.
WIND (20 FT)........LIGHT WINDS BECOMING SOUTHWEST 5 TO 10 MPH IN
                    THE LATE MORNING AND AFTERNOON.
MIXING HEIGHT.......500 FT AGL INCREASING TO 2200-3300 FT AGL IN THE AFTERNOON.
MIXING WINDS........SOUTHWEST 10 TO 15 MPH.
DISPERSION INDEX....52.

TIME (EST)      8 AM   10 AM  NOON   2 PM   4 PM
SKY (%).........41     46     46     45     57
WEATHER COV.....AREAS
WEATHER TYPE....FOG    NONE   NONE   NONE   NONE
TEMP............40     53     64     70     70
RH..............100    81     60     53     53
20 FT WIND......E 2    E 5    S 6    S 7    S 7
20 FT WIND GUST.3      8      10     11     11
MIX HGT (FT)....800    2100   2100   3300   2200
TRANSPORT WIND..E 8    SE 10  SE 10  S 13   SW 12

.TONIGHT...

SKY/WEATHER.........MOSTLY CLOUDY (70-80 PERCENT). CHANCE OF RAIN
                    SHOWERS IN THE EVENING. RAIN SHOWERS LIKELY AND
                    SLIGHT CHANCE OF THUNDERSTORMS AFTER MIDNIGHT.
MIN TEMPERATURE.....AROUND 49.
MAX HUMIDITY........100 PERCENT.
WIND (20 FT)........WEST WINDS 5 MPH.
MIXING HEIGHT.......300-500 FT AGL.
MIXING WINDS........NORTHWEST 10 TO 15 MPH.
DISPERSION INDEX....4.

TIME (EST)      6 PM   8 PM   10 PM  MIDNGT 2 AM   4 AM
SKY (%).........57     70     75     75     87     92
WEATHER COV.....       CHANCE CHANCE CHANCE LIKELY LIKELY
WEATHER TYPE....NONE   RNSHWR RNSHWR RNSHWR RNSHWR RNSHWR
TEMP............63     58     55     53     52     50
RH..............70     87     95     100    100    100
20 FT WIND......SW 6   SW 6   W 6    W 5    W 5    W 5
20 FT WIND GUST.10     9      8      7      7      7
MIX HGT (FT)....2200   1000   700    700    300    600
TRANSPORT WIND..SW 12  SW 10  W 7    W 7    W 6    NW 7

.FRIDAY...

SKY/WEATHER.........CLOUDY (85-95 PERCENT) THEN BECOMING PARTLY
                    SUNNY (60-70 PERCENT). RAIN SHOWERS LIKELY
                    EARLY IN THE MORNING...THEN CHANCE OF RAIN
                    SHOWERS LATE IN THE MORNING.
MAX TEMPERATURE.....AROUND 57.
MIN HUMIDITY........52 PERCENT.
WIND (20 FT)........NORTH WINDS 5 TO 10 MPH.
MIXING HEIGHT.......1600-1800 FT AGL.
MIXING WINDS........NORTH 10 TO 15 MPH.
DISPERSION INDEX....27.

$$
FORECASTER...HESS
REQUESTED BY...PETE MYERS
TYPE OF REQUEST...PRESCRIBED
.TAG 20110120.SWART.01/JAX