FNUS72 KFFC 201605
FWSFFC

SPOT FORECAST FOR GWINNETT COUNTY EXERCISE...GWINNETTCOUNTY FIRE
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
1105 AM EST FRI JAN 20 2012

FORECAST IS BASED ON INCIDENT TIME OF 1030 EST ON JANUARY 20.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...
A FRONT WILL APPROACH THE AREA THIS AFTERNOON...BRINGING SHOWERS TO
THE REGION.

THE HYSPLIT RUN PLUME IS LOCATED AT
WWW.SRH.NOAA.GOV/FFC/HTML/HYSPLIT.PHP UNDER GWINNETT COUNTY 01/20/12.
PLEASE CONTACT THE NWS OFFICE WITH ADDITIONAL QUESTIONS.


.TODAY...

SKY/WEATHER.........CLOUDY (85-95 PERCENT). SLIGHT CHANCE OF RAIN
                    SHOWERS EARLY IN THE MORNING...THEN CHANCE OF
                    RAIN SHOWERS IN THE MORNING. RAIN SHOWERS
                    LIKELY IN THE AFTERNOON.
MAX TEMPERATURE.....AROUND 56.
MIN HUMIDITY........65 PERCENT.
WIND (20 FT)........LIGHT WINDS.
CWR.................60 PERCENT.
LAL.................1.
MIXING HEIGHT.......0-1700 FT AGL.
TRANSPORT WINDS.....SOUTH 8 TO 12 MPH.

TIME (EST)      10 AM  NOON   2 PM   4 PM
SKY (%).........91     91     97     97
WEATHER COV.....CHANCE CHANCE LIKELY LIKELY
WEATHER TYPE....RNSHWR RNSHWR RNSHWR RNSHWR
TEMP............50     53     55     56
RH..............74     67     65     66
20 FT WIND......S 1    S 3    SE 3   SE 3
20 FT WIND GUST.5      5      5      5
CWR.............50     50     60     60

.TONIGHT...

SKY/WEATHER.........CLOUDY (90-100 PERCENT). RAIN SHOWERS LIKELY
                    EARLY IN THE EVENING...THEN RAIN SHOWERS AND
                    SLIGHT CHANCE OF THUNDERSTORMS.
MIN TEMPERATURE.....AROUND 50.
MAX HUMIDITY........100 PERCENT.
WIND (20 FT)........LIGHT WINDS BECOMING SOUTHWEST 5 TO 6 MPH IN
                    THE LATE EVENING AND OVERNIGHT. GUSTY AND
                    ERRATIC WINDS EXPECTED NEAR THUNDERSTORMS.
CWR.................80 PERCENT.
LAL.................1 UNTIL 1900...THEN 2.
MIXING HEIGHT.......100-1100 FT AGL.
TRANSPORT WINDS.....SOUTHWEST 12 TO 18 MPH.

.SATURDAY...

SKY/WEATHER.........CLOUDY (90-100 PERCENT). SLIGHT CHANCE OF
                    THUNDERSTORMS EARLY IN THE MORNING. RAIN
                    SHOWERS THROUGH THE DAY. THUNDERSTORMS.
MAX TEMPERATURE.....AROUND 68.
MIN HUMIDITY........65 PERCENT.
WIND (20 FT)........WEST WINDS 6 TO 9 MPH. GUSTY AND ERRATIC WINDS
                    EXPECTED NEAR THUNDERSTORMS EARLY IN THE
                    MORNING. GUSTY AND ERRATIC WINDS EXPECTED NEAR
                    THUNDERSTORMS.
CWR.................80 PERCENT.
LAL.................2 UNTIL 0700...THEN 5.
MIXING HEIGHT.......200-1800 FT AGL INCREASING TO 2100-2300 FT AGL
                    IN THE AFTERNOON.
TRANSPORT WINDS.....SOUTHWEST 18 TO 24 MPH INCREASING TO AROUND 30
                    MPH IN THE AFTERNOON.

$$
FORECASTER...ATWELL
REQUESTED BY...BRIAN GAETH
TYPE OF REQUEST...HAZMAT
.TAG 20120120.GWINN.01/FFC