FNUS72 KFFC 171312
FWSFFC

SPOT FORECAST FOR 2...USFS
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
912 AM EDT SAT MAR 17 2012

FORECAST IS BASED ON IGNITION TIME OF 1100 EDT ON MARCH 17.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...
HIGH PRESSURE AT THE SURFACE AND ALOFT WILL RESULT IN A SUMMER LIKE
PATTERN THROUGH THE WEEKEND. MARGINAL INSTABILITY DURING AFTERNOON
HEATING WILL AID IN THE DEVELOPMENT OF SCATTERED AFTERNOON AND
EVENING SHOWERS AND THUNDERSTORMS. AFTERNOON RH VALUES WILL REMAIN
ABOVE CRITICAL THRESHOLDS THROUGH THE WEEKEND.

.TODAY...

SKY/WEATHER.........PARTLY SUNNY (50-60 PERCENT). SLIGHT CHANCE OF
                    SHOWERS AND THUNDERSTORMS THIS MORNING
                    ...THEN CHANCE OF SHOWERS AND THUNDERSTORMS
                    IN THE AFTERNOON.
TEMPERATURE.........72 AT IGNITION...MAX 86.
RH..................57 PERCENT AT IGNITION...MIN 35 PERCENT.
WIND (20 FT)........LIGHT WINDS BECOMING WEST 5 TO 7 MPH BY THE
                    AFTERNOON.

CWR.................40 PERCENT.
MIXING HEIGHT.......5500-6300 FT AGL

TRANSPORT WINDS.....WEST 7 TO 13 MPH DURING THE MORNING...THEN DECREASE
                    TO AROUND 6 TO 10 MPH DURING THE AFTERNOON.
DISPERSION INDEX....INCREASING TO 60 TO 65 BY LATE MORNING...THEN
                    DECREASING TO AROUND 30 BY LATE AFTERNOON.

LVORI...............3.

TIME (EDT)      11 AM  1 PM   3 PM   5 PM
SKY (%).........40     40     61     61
WEATHER COV.....S CHC  S CHC  CHANCE CHANCE
WEATHER TYPE....RNSHWR RNSHWR RNSHWR RNSHWR
TEMP............72     81     83     83
RH..............57     41     38     37
20 FT WIND......W 3    W 5    W 7    W 7
20 FT WIND GUST.5      10     15     15
DISPERSION IDX..65     56     43     26
LVORI...........1      1      1      2
CWR.............20     20     40     40

.TONIGHT...

SKY/WEATHER.........MOSTLY CLOUDY (55-65 PERCENT) THEN BECOMING
                    PARTLY CLOUDY (40-50 PERCENT). CHANCE OF
                    SHOWERS AND THUNDERSTORMS IN THE
                    EVENING...THEN SLIGHT CHANCE OF SHOWERS AND
                    THUNDERSTORMS AFTER MIDNIGHT.
TEMPERATURE.........MIN 59.
RH..................MAX 87 PERCENT.
CWR.................40 PERCENT.
MIXING HEIGHT.......6300 FT AGL DECREASING TO 0 FT AGL EARLY IN THE
                    EVENING.
TRANSPORT WINDS.....SOUTHWEST 3 TO 8 MPH.

DISPERSION INDEX....12 DECREASING TO 1 EARLY IN THE EVENING.
LVORI...............4.

TIME (EDT)      6 PM   8 PM   10 PM  MIDNGT 2 AM   4 AM
SKY (%).........61     57     57     57     47     47
WEATHER COV.....CHANCE S CHC  S CHC  S CHC  S CHC  S CHC
WEATHER TYPE....RNSHWR RNSHWR RNSHWR RNSHWR RNSHWR RNSHWR
TEMP............81     74     69     66     65     62
RH..............40     52     61     67     71     78
DISPERSION IDX..16     1      0      1      1      0
LVORI...........2      2      3      3      4      6
CWR.............40     20     20     20     20     20

.SUNDAY...

CWR.................20 PERCENT.
MIXING HEIGHT.......5400-6300 FT AGL

TRANSPORT WINDS.....WEST 2 TO 8 MPH.
DISPERSION INDEX....INCREASING TO 49 EARLY IN THE MORNING
                    DECREASING TO 43 IN THE AFTERNOON.
LVORI...............4.

$$
FORECASTER...LAMBACK
REQUESTED BY...TIM KOLNIK
TYPE OF REQUEST...PRESCRIBED
.TAG 20120317.02___.01/FFC