Suppression Forecast
Issued by NWS Jacksonville, FL

Home | Current Version | Previous Version | Text Only | Print | Product List | Glossary On
Versions: 1 2
000
FNUS72 KJAX 251133
FWSJAX

SPOT FORECAST FOR MACON STUDY...USFS
NATIONAL WEATHER SERVICE JACKSONVILLE FL
733 AM EDT THU SEP 25 2014

FORECAST IS BASED ON IGNITION TIME OF 0930 EDT ON SEPTEMBER 25.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...
MAINLY DRY CONDITIONS WILL PREVAIL TODAY UNDER MOSTLY CLOUDY SKIES.
SHOWERS AND THUNDERSTORMS WILL INCREASE FRIDAY AS LOW PRESSURE
ENTERS THE AREA. WINDS WILL REMAIN UNDER 15 MPH WITH RELATIVE
HUMIDITIES REMAINING ABOVE CRITICAL LEVELS.

FOG POTENTIAL AND OTHER REMARKS...PATCHY LATE NIGHT FOG FORMATION
IS POSSIBLE THE NEXT COUPLE OF NIGHTS.

.TODAY...

SKY/WEATHER.........MOSTLY CLOUDY (80-90 PERCENT).
MAX TEMPERATURE.....AROUND 80.
MIN HUMIDITY........65 PERCENT.
WIND (20 FT)........NORTH TO NORTHEAST WINDS 6 TO 9 MPH.
LAL.................1.
MIXING HEIGHT.......500-1000 FT AGL...INCREASING TO 2000-2500 FT AGL.
MIXING WINDS........NORTH TO NORTHEAST 6 TO 10 MPH.
DISPERSION INDEX....10 INCREASING TO 25.
CHANCE OF PCPN......10 PERCENT.
LVORI...............5 DECREASING TO 3.

TIME (EDT)      9 AM   11 AM  1 PM   3 PM   5 PM
SKY (%).........88     81     77     73     72
WEATHER COV.....
WEATHER TYPE....NONE   NONE   NONE   NONE   NONE
TEMP............68     74     79     80     80
RH..............92     79     69     66     66
20 FT WIND......N 7    N 8    N 9    NE 9   NE 9
20 FT WIND GUST.10     15     15     15     15
MIX HGT (FT)....1000   1800   2100   2300   2300
TRANSPORT WIND..N 9    N 10   N 9    N 8    NE 8
LVORI...........5      3      3      3      3
DISPERSION INDX.13     18     18     22     23
CHC OF PCPN (%).0      10     10     10     10
LAL.............1      1      1      1      1

.TONIGHT...

SKY/WEATHER.........MOSTLY CLOUDY (75-85 PERCENT). PATCHY FOG AFTER
                    MIDNIGHT.
MIN TEMPERATURE.....AROUND 68.
MAX HUMIDITY........100 PERCENT.
WIND (20 FT)........NORTHEAST WINDS 5 TO 8 MPH IN THE EVENING
                    BECOMING NORTH AROUND 5 MPH AFTER MIDNIGHT.
LAL.................1.
MIXING HEIGHT.......1700-2200 FT AGL DECREASING TO 200 FT AGL
                    OVERNIGHT.
MIXING WINDS........NORTH TO NORTHEAST 3 TO 8 MPH.
DISPERSION INDEX....23 DECREASING TO 4.
CHANCE OF PCPN......10 PERCENT.
LVORI...............3 INCREASING TO 8.

TIME (EDT)      6 PM   8 PM   10 PM  MIDNGT 2 AM   4 AM
SKY (%).........72     73     76     80     85     90
WEATHER COV.....                            PATCHY PATCHY
WEATHER TYPE....NONE   NONE   NONE   NONE   FOG    FOG
TEMP............79     74     72     71     70     69
RH..............66     80     85     89     92     97
20 FT WIND......NE 8   NE 6   NE 5   NE 3   N 5    N 5
20 FT WIND GUST.15     10            5
MIX HGT (FT)....2100   1200   900    700    500    200
TRANSPORT WIND..NE 8   NE 8   NE 8   NE 7   N 5    N 3
LVORI...........3      4      4      6      6      8
DISPERSION INDX.23     7      6      5      5      4
CHC OF PCPN (%).10     10     10     10     10     10
LAL.............1      1      1      1      1      1

.FRIDAY...

SKY/WEATHER.........MOSTLY CLOUDY (80-90 PERCENT). PATCHY FOG EARLY
                    IN THE MORNING. SCATTERED SHOWERS LATE IN THE
                    MORNING. NUMEROUS SHOWERS AND SCATTERED
                    THUNDERSTORMS IN THE AFTERNOON.
MAX TEMPERATURE.....AROUND 86.
MIN HUMIDITY........62 PERCENT.
WIND (20 FT)........NORTHEAST WINDS 5 TO 12 MPH.
LAL.................1 UNTIL 1100...THEN 2 UNTIL 1300...THEN 3.
MIXING HEIGHT.......100-1000 FT AGL INCREASING TO 3500-4300 FT AGL.
MIXING WINDS........NORTHEAST 5 TO 12 MPH.
DISPERSION INDEX....8 INCREASING TO 30.
CHANCE OF PCPN......70 PERCENT.
LVORI...............9 DECREASING TO 1.

TIME (EDT)      6 AM   8 AM   10 AM  NOON   2 PM   4 PM
SKY (%).........90     90     90     84     77     85
WEATHER COV.....PATCHY ISOLTD SCTTRD SCTTRD NUMRUS NUMRUS
WEATHER TYPE....FOG    RNSHWR RNSHWR RNSHWR RNSHWR RNSHWR
TEMP............68     68     78     84     86     86
RH..............100    100    78     65     62     63
20 FT WIND......N 5    N 6    NE 8   NE 9   NE 10  NE 12
20 FT WIND GUST.       10     15     15     15     15
MIX HGT (FT)....100    100    1400   2800   4300   3200
TRANSPORT WIND..N 5    N 6    NE 9   NE 10  NE 8   NE 10
LVORI...........9      8      3      2      1      2
DISPERSION INDX.6      7      16     27     34     28
CHC OF PCPN (%).10     20     30     50     60     70
LAL.............1      1      1      2      3      3

$$
FORECASTER...ALLEN
REQUESTED BY...SHAWN KINGHORN
TYPE OF REQUEST...PRESCRIBED
.TAG 20140925.MACON.01/JAX





USA.gov is the U.S. government's official web portal to all federal, state and local government web resources and services.