929
FNUS72 KFFC 121048
FWSFFC
SPOT FORECAST FOR LAKE MARVIN...USFS
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
548 AM EST FRI DEC 12 2025
FORECAST IS BASED ON IGNITION TIME OF 1124 EST ON DECEMBER 12.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.
DISCUSSION
GOOD MORNING! DRY AND CLEAR WEATHER CONDITIONS ARE STILL EXPECTED
AT THE IGNITION SITE TODAY (FRIDAY). NO PRECIPITATION IS ANTICIPATED
THROUGH SATURDAY AFTERNOON. FOG IS NOT EXPECTED TO BE AN ISSUE
THIS MORNING. WINDS OUT OF THE SOUTHWEST WILL REMAIN SUSTAINED
UNDER 10 MPH, HOWEVER OCCASIONAL GUSTS OF 13 TO 18 MPH WILL BE
POSSIBLE THIS AFTERNOON. RELATIVE HUMIDITY VALUES AT IGNITION TIME
WILL BE IN THE 70 TO 80 PERCENT RANGE WITH LOWER VALUES NEAR 40
PERCENT IN THE AFTERNOON. GIVEN THE CLEAR CONDITIONS, AFTERNOON
RELATIVE HUMIDITY MAY DROP SLIGHTLY BELOW FORECAST, THOUGH SHOULD
REMAIN ABOVE 30 PERCENT. INCREASING MOISTURE FROM THE SW WINDS
WILL BRING RELATIVE HUMIDITY VALUES BACK TO OVER 90 PERCENT LATE
TONIGHT INTO SATURDAY MORNING. NO SIGNIFICANT IMPACTS TO FORECAST
CONDITIONS ARE EXPECTED DUE TO THE NEARBY LAKE GIVEN THE SOUTHWEST
WINDS.
TRANSPORT WINDS OUT OF THE WEST AND SOUTHWEST WILL BE AT 10 TO 20
MPH WITH MIXING HEIGHTS OF 3-4KFT THIS AFTERNOON. INCREASING
MOISTURE THROUGH TONIGHT MAY POSE A PATCHY FOG RISK GOING INTO
TOMORROW.
PLEASE REACH OUT IF YOU HAVE ANY QUESTIONS OR CONCERNS.
REST OF TODAY
CWR.................0 PERCENT.
CHANCE OF THUNDER...0 PERCENT.
MAX TEMPERATURE.....AROUND 58.
MIN HUMIDITY........46 PERCENT.
DEWPOINT............35.
WIND (20 FT)........SOUTHWEST WINDS 5 TO 7 MPH.
MIXING HEIGHT.......3200 FT AGL.
TRANSPORT WINDS.....WEST 9 TO 17 MPH.
SMOKE DISPERSAL.....POOR (6200 KNOT-FT) EARLY IN THE MORNING
INCREASING TO GOOD (47600 KNOT-FT) IN THE
AFTERNOON.
LVORI...............2.
ADI.................9 EARLY IN THE MORNING INCREASING TO 57 IN THE
AFTERNOON.
PCPN AMOUNT.........0.00 INCHES.
CEILING (KFT).......25.
TIME (EST) 11A 12P 1PM 2PM 3PM 4PM 5PM
CWR.............0 0 0 0 0 0 0
CHC OF THDR (%).0 0 0 0 0 0 0
TEMP............46 50 54 56 57 57 56
DEWPOINT........33 35 35 36 37 37 37
RH..............60 54 48 46 47 46 50
20 FT WIND DIR..SW SW SW SW SW W W
20 FT WIND SPD..6 7 7 7 7 7 5
20 FT WIND GUST.14 16 16 17 16 15 13
MIX HGT (KFT)...1.5 2.1 2.6 3.0 3.2 3.0 0.8
TRANSP WIND DIR.SW W W W W W W
TRANSP WIND SPD.15 16 17 17 17 15 9
LVORI...........1 1 1 1 1 1 2
ADI.............29 41 50 55 57 49 9
VRATE KT-FT/1K..19 29 39 45 48 40 6
VENTRATE CAT....PR PR PR FR FR FR PR
CEILING (KFT)...25 25 25 25 25 25 25
TONIGHT
CWR.................0 PERCENT.
CHANCE OF THUNDER...0 PERCENT.
MIN TEMPERATURE.....AROUND 36.
MAX HUMIDITY........93 PERCENT.
DEWPOINT............36.
WIND (20 FT)........LIGHT WINDS.
MIXING HEIGHT.......400 FT AGL.
TRANSPORT WINDS.....WEST 7 TO 8 MPH SHIFTING TO THE NORTH 5 TO 8
MPH IN THE LATE EVENING AND OVERNIGHT.
SMOKE DISPERSAL.....POOR (1400 KNOT-FT).
LVORI...............5.
ADI.................2 TO 4.
PCPN AMOUNT.........0.00 INCHES.
CEILING (KFT).......25.
TIME (EST) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
CWR.............0 0 0 0 0 0 0 0 0 0 0 0
CHC OF THDR (%).0 0 0 0 0 0 0 0 0 0 0 0
TEMP............52 50 46 45 44 42 41 40 39 38 37 36
DEWPOINT........38 38 38 38 38 37 37 37 37 36 35 34
RH..............57 61 73 77 80 83 87 89 91 93 91 93
20 FT WIND DIR..W W W NW NW NW NW N N N N N
20 FT WIND SPD..3 2 2 1 1 1 1 1 1 1 1 1
20 FT WIND GUST.10 8 7 7 7 7 6 6 6 6 6 6
MIX HGT (KFT)...0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4
TRANSP WIND DIR.W W W NW NW N N N N N N N
TRANSP WIND SPD.8 8 8 7 8 7 7 6 6 5 5 6
LVORI...........3 3 3 4 5 5 6 6 6 6 6 6
ADI.............4 4 4 3 4 3 3 3 2 2 2 2
VRATE KT-FT/1K..3 3 3 3 3 2 2 2 2 1 2 2
VENTRATE CAT....PR PR PR PR PR PR PR PR PR PR PR PR
CEILING (KFT)...25 25 25 25 25 25 25 25 25 25 25 25
SATURDAY
CWR.................10 PERCENT.
CHANCE OF THUNDER...0 PERCENT.
MAX TEMPERATURE.....AROUND 58.
MIN HUMIDITY........53 PERCENT.
DEWPOINT............35 INCREASING TO 39 LATE IN THE MORNING.
WIND (20 FT)........LIGHT WINDS.
MIXING HEIGHT.......2400 FT AGL.
TRANSPORT WINDS.....NORTH 3 TO 6 MPH SHIFTING TO THE SOUTHWEST 6 TO
9 MPH IN THE AFTERNOON.
SMOKE DISPERSAL.....POOR (1400 KNOT-FT) EARLY IN THE MORNING
INCREASING TO FAIR (17700 KNOT-FT) IN THE
AFTERNOON.
LVORI...............4.
ADI.................4 TO 26.
PCPN AMOUNT.........0.00 INCHES.
CEILING (KFT).......25 DECREASING TO 15 LATE IN THE MORNING INCREASING
TO 20 EARLY IN THE AFTERNOON
DECREASING TO 12 LATE IN THE
AFTERNOON DECREASING TO 6.0.
TIME (EST) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
CWR.............0 0 0 0 0 0 0 10 10 10 10 10
CHC OF THDR (%).0 0 0 0 0 0 0 0 0 0 0 0
TEMP............36 36 36 38 42 46 50 53 56 57 57 56
DEWPOINT........34 33 33 35 37 38 39 39 40 40 41 41
RH..............93 90 91 88 82 73 65 58 55 53 54 58
20 FT WIND DIR..N N NW N N NW SW S S SW SW SW
20 FT WIND SPD..1 1 1 1 1 2 2 2 2 2 2 2
20 FT WIND GUST.7 7 6 6 6 7 7 8 8 8 8 7
MIX HGT (KFT)...0.4 0.4 0.4 0.5 0.8 1.1 1.6 1.9 2.2 2.4 2.3 1.7
TRANSP WIND DIR.N N N N N NW W SW SW SW SW SW
TRANSP WIND SPD.6 6 5 3 5 5 6 6 7 8 9 8
LVORI...........6 5 5 5 4 3 2 2 2 2 2 2
ADI.............7 7 5 4 4 7 11 15 21 26 26 18
VRATE KT-FT/1K..2 2 1 2 3 5 7 10 14 18 18 12
VENTRATE CAT....PR PR PR PR PR PR PR PR PR PR PR PR
CEILING (KFT)...25 25 20 20 15 20 25 25 20 15 12 6.0
FORECASTER...SMARLOW
REQUESTED BY...JAKE HAUSER
TYPE OF REQUEST...PRESCRIBED
.TAG 2527383.1/FFC
.DELDT 12/12/25
.FORMATTERVERSION 2.0.0
.EMAIL JAKE.HAUSER@USDA.GOV
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