FNUS72 KJAX 081245
FWSJAX

SPOT FORECAST FOR MACON STUDY...USFS
NATIONAL WEATHER SERVICE JACKSONVILLE FL
745 AM EST MON MAR 8 2010

FORECAST IS BASED ON IGNITION TIME OF 0800 EST ON MARCH 08.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

...RED FLAG WARNING IN EFFECT FROM 11 AM THIS MORNING TO 7 PM EST
THIS EVENING...

.DISCUSSION...SURFACE HIGH PRESSURE CENTERED OVER THE AREA
TODAY WILL GRADUALLY SHIFT EAST THROUGH TUESDAY. DRY CONDITIONS
WILL PERSIST TODAY AS A GRADUAL WARMING TREND CONTINUES. WINDS WILL BE
LESS THAN 15 MPH AND BECOME ONSHORE IN THE AFTERNOON. RELATIVE
HUMIDITIES WILL FALL BELOW CRITICAL VALUES FOR EXTENDED DURATIONS
TODAY. LOW LEVEL MOISTURE WILL RETURN TO THE AREA ON SOUTHERLY FLOW ON
TUESDAY ALTHOUGH RH VALUES MAY STILL DROP INTO THE LOWER TO MID 30S
OVER PORTIONS OF NORTHEAST FLORIDA.

.TODAY...

SKY/WEATHER.........MOSTLY SUNNY (10-20 PERCENT).
MAX TEMPERATURE.....AROUND 72.
MIN HUMIDITY........18 PERCENT.
WIND (20 FT)........LIGHT WINDS BECOMING WEST AROUND 5 MPH IN THE AFTERNOON.
MIXING HEIGHT.......300-400 FT AGL INCREASING TO 5200-5400 FT AGL.
MIXING WINDS........NORTHWEST 5 TO 10 MPH.
DISPERSION INDEX....45.

TIME (EST)      8 AM   10 AM  NOON   2 PM   4 PM
SKY (%).........10     6      6      4      5
WEATHER COV.....
WEATHER TYPE....NONE   NONE   NONE   NONE   NONE
TEMP............41     56     66     70     70
RH..............70     44     26     20     21
20 FT WIND......W 1    N 3    NW 5   W 5    W 5
20 FT WIND GUST.2      4      8      8      8
MIX HGT (FT)....400    2800   2800   5200   5400
TRANSPORT WIND..NW 8   NW 8   NW 8   NW 8   NW 5

.TONIGHT...

SKY/WEATHER.........MOSTLY CLEAR (10-20 PERCENT).
MIN TEMPERATURE.....AROUND 39.
MAX HUMIDITY........85 PERCENT.
WIND (20 FT)........LIGHT WINDS.
MIXING HEIGHT.......5400 FT AGL DECREASING TO 200-400 FT AGL.
MIXING WINDS........LIGHT WINDS.
DISPERSION INDEX....1.

TIME (EST)      6 PM   8 PM   10 PM  MIDNGT 2 AM   4 AM
SKY (%).........5      18     18     18     22     21
WEATHER COV.....
WEATHER TYPE....NONE   NONE   NONE   NONE   NONE   NONE
TEMP............63     54     50     47     44     43
RH..............32     52     64     69     75     79
20 FT WIND......W 2    W 1    NW 1   W 1    SW 0   S 0
20 FT WIND GUST.3      2      2      2      1      1
MIX HGT (FT)....5400   1000   600    600    200    300
TRANSPORT WIND..NW 5   W 2    W 1    W 1    W 1    S 2

$$
FORECASTER...HESS
REQUESTED BY...PAUL VARNEDOE
TYPE OF REQUEST...PRESCRIBED
.TAG 20100308.MACON.01/JAX