141
FNUS72 KFFC 251223
FWSFFC

Spot Forecast for Hurricane Helene...USFWS
National Weather Service Peachtree City GA
823 AM EDT Wed Sep 25 2024

Forecast is based on forecast start time of 2000 EDT on September 25.
If conditions become unrepresentative...contact the National Weather
Service.

...TROPICAL STORM WATCH IN EFFECT...

.DISCUSSION...Tropical Storm Helene is forecast to move toward the
Florida Panhandle or Big Bend, making landfall as a major hurricane
late Thursday. Shower and thunderstorm activity will increase this
afternoon well ahead of Helene as increasing moisture interacts
with a low pressure trough. Winds are forecast to begin increasing
by Thursday afternoon. Keep in mind that this forecast may change
due to changes in Helene`s forecast track, along with the size and
speed of movement of the storm. Please see
weather.gov/srh/tropical?office=ffc for more information.

.TONIGHT...

Sky/weather.........Cloudy (85-95 percent). Showers and a chance of
                    thunderstorms.
Chance of pcpn......100 percent.
Min temperature.....Around 68.
Max humidity........100 percent.
Heat index..........74.
Surface winds (mph).Southeast 5 mph becoming east after 3 am.
Rainfall amount.....1.63 inches.
Ceiling (kft).......6.0 decreasing to 0.9.

TIME (EDT)      8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
Sky (%).........89  92  93  92  91  92  92  92  88  88
Weather cov.....DEF DEF DEF DEF DEF DEF DEF DEF DEF DEF
Weather type....RW  RW  RW  RW  RW  RW  RW  RW  RW  RW
Tstm cov........CHC CHC CHC CHC CHC CHC CHC CHC CHC CHC
Chc of pcpn (%).100 100 100 100 100 90  80  80  80  80
Temp............72  70  70  70  70  70  70  70  69  69
RH..............99  100 100 98  100 100 100 99  100 99
Heat index (F)..72  70  70  70  70  70  70  70  69  69
Wind chill (F)..M   M   M   M   M   M   M   M   M   M
Surface wnd dir.N   E   NE  E   SE  SE  E   SE  SE  E
Surface wnd spd.3   3   3   3   5   5   3   3   3   5
Surface wnd gst.6   6   6   6   7   7   6   6   7   7
Ceiling (kft)...6.0 6.0 2.5 2.0 1.5 1.0 0.9 0.9 0.9 0.9

.THURSDAY...

Sky/weather.........Cloudy (85-95 percent). Showers and a chance of
                    thunderstorms.
Chance of pcpn......100 percent.
Max temperature.....Around 75.
Min humidity........96 percent.
Heat index..........74.
Surface winds (mph).East winds 5 to 15 mph. Gusts up to 25 mph late
                    in the afternoon.
Rainfall amount.....1.58 inches.
Ceiling (kft).......0.9 decreasing to 0.3 in the late morning and
                    afternoon.

TIME (EDT)      6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........89  91  89  85  92  93  92  89  88  87  86  85
Weather cov.....DEF DEF DEF DEF DEF DEF DEF DEF DEF DEF DEF DEF
Weather type....RW  RW  RW  RW  RW  RW  RW  RW  RW  RW  RW  RW
Tstm cov........CHC CHC CHC CHC CHC SCH CHC CHC CHC CHC CHC CHC
Chc of pcpn (%).90  100 100 100 100 100 100 100 100 100 100 100
Temp............69  68  69  70  71  72  72  73  74  74  74  74
RH..............99  100 99  99  100 100 100 100 99  98  97  96
Heat index (F)..69  68  69  70  71  72  72  73  74  74  74  74
Surface wnd dir.E   E   E   E   E   E   E   E   E   E   E   E
Surface wnd spd.6   6   6   7   8   9   9   8   8   8   13  14
Surface wnd gst.8   9   10  12  14  15  15  15  15  16  24  25
Ceiling (kft)...0.9 0.9 0.9 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3

.THURSDAY NIGHT...

Sky/weather.........Cloudy (85-95 percent). Chance of
                    thunderstorms. Showers through the night.
Chance of pcpn......100 percent.
Min temperature.....Around 67.
Max humidity........100 percent.
Heat index..........76.
Surface winds (mph).Breezy. East winds 15 to 25 mph with gusts to
                    45 mph increasing to 25 to 40 mph with gusts
                    to 75 mph overnight, then becoming southeast
                    50 mph with gusts to 75 mph early in the morning.
Rainfall amount.....3.24 inches.
Ceiling (kft).......0.3 increasing to 0.6 overnight.

TIME (EDT)      6 PM   8 PM   10 PM  MIDNGT 2 AM   4 AM
Sky (%).........87     92     91     90     89     86
Weather cov.....DEFNTE DEFNTE DEFNTE DEFNTE DEFNTE DEFNTE
Weather type....RNSHWR RNSHWR RNSHWR RNSHWR RNSHWR RNSHWR
Tstm cov........CHANCE CHANCE CHANCE CHANCE CHANCE CHANCE
Chc of pcpn (%).100    100    100    100    80     80
Temp............74     72     72     72     72     71
RH..............97     99     100    100    100    100
Heat index (F)..74     72     72     72     72     71
Wind chill (F)..M      M      M      M      M      M
Surface wind....E 14   E 16   E 20   E 22   E 24   E 39
Surface wnd gst.25     32     37     43     48     75
Ceiling (kft)...0.3    0.3    0.3    0.6    0.6

.FRIDAY...

Sky/weather.........Partly sunny (50-60 percent). Showers and a
                    slight chance of thunderstorms in the morning.
                    A slight chance of showers in the afternoon.
Chance of pcpn......80 percent.
Max temperature.....Around 80.
Min humidity........69 percent.
Heat index..........79.
Surface winds (mph).Southwest winds 15 to 40 mph. Gusts to 70
                    mph decreasing to 25 mph.
Rainfall amount.....0.59 inches.

TIME (EDT)      6 AM   8 AM   10 AM  NOON   2 PM   4 PM
Sky (%).........83     78     75     69     55     30
Weather cov.....DEFNTE CHANCE CHANCE CHANCE S CHC  S CHC
Weather type....RNSHWR RNSHWR RNSHWR RNSHWR RNSHWR RNSHWR
Tstm cov........       S CHC  S CHC  S CHC
Chc of pcpn (%).80     30     30     30     20     20
Temp............69     68     71     74     77     79
RH..............100    99     95     87     77     69
Heat index (F)..69     68     71     74     77     79
Surface wind....S 39   S 25   S 13   SW 14  SW 13  SW 12
Surface wnd gst.76     47     24     23     21     24

$$
Forecaster...Carroll
Requested by...Nathan Herron
Type of request...OTHER
.TAG 2423006.0/FFC
.DELDT 09/25/24
.FormatterVersion 2.0.0
.EMAIL nathan_herron@fws.gov