152
FNUS72 KGSP 170219
FWSGSP
SPOT FORECAST FOR SAWMILL BRANCH...USFS
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
1019 PM EDT THU APR 16 2026
FORECAST IS BASED ON FORECAST START TIME OF 2200 EDT ON APRIL 16.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.
DISCUSSION
A WEAKENING AREA OF SHOWERS WILL APPROACH THE INCIDENT AREAS THROUGH
MIDNIGHT. AN ISOLATED STORM PRODUCING A FEW CLOUD TO GROUND LIGHTNING
STRIKES AND GUSTY AND ERRATIC OUTFLOW WINDS CAN'T BE RULED OUT. THE
CHANCE OF A WETTING RAINFALL IS 30%. OTHERWISE, MOSTLY LIGHT WINDS
ARE EXPECTED FROM THE WEST AND NORTHWEST THROUGH FRIDAY. EXCELLENT RH
RECOVERY OF 85 TO 95% IS EXPECTED TONIGHT. WHILE TEMPERATURES FRIDAY ARE
EXPECTED TO BE VERY SIMILAR TO THURSDAY, CONDITIONS ARE FORECAST TO BE
A LITTLE DRIER, WITH MINIMUM RH AROUND 5% LOWER THAN ON THURSDAY.
REST OF TONIGHT
SKY/WEATHER.........MOSTLY CLOUDY (60-70 PERCENT) THEN BECOMING
PARTLY CLOUDY (25-35 PERCENT). A CHANCE OF
SHOWERS WITH ISOLATED THUNDERSTORMS, MAINLY
THROUGH MIDNIGHT. PATCHY FOG AFTER 3 AM.
CHANCE OF THUNDER...20 PERCENT.
MIN TEMPERATURE.....AROUND 55.
MAX HUMIDITY........91 PERCENT.
WIND (20 FT)........LIGHT WEST WINDS. GUSTY AND ERRATIC WINDS
POSSIBLE NEAR THUNDERSTORMS, MAINLY THROUGH
MIDNIGHT.
MIXING HEIGHT.......0 FT AGL.
TRANSPORT WINDS.....WEST 7 TO 10 MPH.
SMOKE DISPERSAL.....POOR (0 MPH-FT).
LVORI...............5.
ADI.................3 TO 7.
STABILITY CLASS.....6.
PCPN AMOUNT.........0.11 INCHES.
CEILING (FT)........13800 DECREASING TO 9800 AFTER 3 AM
DECREASING TO 3600.
VISIBILITY (SM).....9.
SFC PRESSURE (IN)...27.07.
TIME (EDT) 10P 11P MID 1AM 2AM 3AM 4AM 5AM
SKY (%).........64 75 63 57 39 34 18 21
WEATHER COV.....CHC PTY PTY
WEATHER TYPE....RW FOG FOG
TSTM COV........SCH
CHC OF THDR (%).20 10 10 10 0 0 0 0
TEMP............63 62 61 59 58 57 57 56
DEWPOINT........51 52 53 53 53 53 53 53
RH..............65 69 76 80 82 85 88 89
20 FT WIND DIR..W W W W W W W NW
20 FT WIND SPD..7 5 5 4 4 4 4 4
20 FT WIND GUST.10 10 9 8 8 7 7 7
MIX HGT (KFT)...0.1 0.2 0.1 0.1 0.3 0.1 0.1 0.1
TRANSP WIND DIR.W W W W W W NW NW
TRANSP WIND SPD.10 9 8 8 10 7 7 7
LVORI...........3 3 4 5 4 5 6 6
ADI.............7 4 4 4 5 3 3 3
VRATE MPH-FT/1K.0 2 0 0 3 0 0 0
CEILING (HFT)...93 75 103 138 202 206 98 36
VISIBILITY (SM).9 10 10 10 10 10 10 10
SFC PRES (IN)...708 709 709 709 708 707 707 707
FRIDAY
SKY/WEATHER.........SUNNY (10-20 PERCENT). PATCHY FOG EARLY IN THE
MORNING.
CHANCE OF THUNDER...0 PERCENT.
MAX TEMPERATURE.....AROUND 78.
MIN HUMIDITY........31 TO 35 PERCENT.
WIND (20 FT)........W TO NW WINDS 4 TO 7 MPH.
MIXING HEIGHT.......6100 FT AGL.
TRANSPORT WINDS.....NORTHWEST 7 TO 12 MPH.
SMOKE DISPERSAL.....POOR (0 MPH-FT) EARLY IN THE MORNING INCREASING
TO EXCELLENT (63182 MPH-FT) IN THE AFTERNOON.
LVORI...............4.
ADI.................3 EARLY IN THE MORNING INCREASING TO 77 IN THE
AFTERNOON.
STABILITY CLASS.....4.
PCPN AMOUNT.........0.00 INCHES.
CEILING (FT)........3000 INCREASING TO 20300 IN THE LATE MORNING,
DECREASING TO 12700 LATE IN THE AFTERNOON.
VISIBILITY (SM).....10.
SFC PRESSURE (IN)...27.02.
TIME (EDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........24 23 20 14 16 24 20 21 18 12 12 7
WEATHER COV.....PTY PTY
WEATHER TYPE....FOG FOG
TSTM COV........
CHC OF THDR (%).0 0 0 0 0 0 0 0 0 0 0 0
TEMP............56 55 56 59 63 68 72 74 76 77 77 76
DEWPOINT........52 52 52 53 53 53 51 50 48 47 46 45
RH..............88 91 87 81 70 59 49 42 37 34 34 33
20 FT WIND DIR..W W NW NW NW NW NW NW NW NW NW NW
20 FT WIND SPD..4 4 4 4 4 4 4 4 6 6 6 6
20 FT WIND GUST.7 6 6 6 7 9 9 9 10 10 10 10
MIX HGT (KFT)...0.1 0.1 0.1 0.8 1.9 2.9 3.8 4.8 5.6 6.1 6.0 5.9
TRANSP WIND DIR.NW NW NW NW NW NW NW NW NW W W W
TRANSP WIND SPD.7 7 7 8 12 12 12 10 9 10 10 9
LVORI...........6 5 5 4 3 1 1 1 1 1 1 1
ADI.............3 7 7 8 28 43 56 63 63 77 76 66
VRATE MPH-FT/1K.0 0 0 6 22 33 44 50 52 63 63 54
CEILING (HFT)...40 30 37 163 234 232 232 203 174 158 143 127
VISIBILITY (SM).10 10 10 10 10 10 10 10 10 10 10 10
SFC PRES (IN)...708 710 711 712 712 712 711 710 708 706 703 702
FRIDAY NIGHT
SKY/WEATHER.........MOSTLY CLEAR (10-20 PERCENT).
CHANCE OF THUNDER...0 PERCENT.
MIN TEMPERATURE.....AROUND 56.
MAX HUMIDITY........74 PERCENT.
WIND (20 FT)........LIGHT WINDS.
MIXING HEIGHT.......0 FT AGL.
TRANSPORT WINDS.....WEST 5 TO 8 MPH SHIFTING TO THE SOUTH 5 TO 6
MPH LATE IN THE EVENING.
SMOKE DISPERSAL.....GOOD (38554 MPH-FT) EARLY IN THE EVENING
DECREASING TO POOR (0 MPH-FT) LATE IN THE
NIGHT.
LVORI...............2.
ADI.................48 EARLY IN THE EVENING DECREASING TO 2 LATE IN
THE NIGHT.
STABILITY CLASS.....4.
PCPN AMOUNT.........0.00 INCHES.
CEILING (FT)........16500 INCREASING TO 30000.
VISIBILITY (SM).....7.
SFC PRESSURE (IN)...27.02.
TIME (EDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
SKY (%).........7 10 16 14 11 12 14 17 12 16 21 17
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
CHC OF THDR (%).0 0 0 0 0 0 0 0 0 0 0 0
TEMP............75 72 68 65 64 62 61 59 58 57 57 56
DEWPOINT........46 47 48 48 48 47 47 47 47 47 47 47
RH..............36 41 49 53 56 58 61 63 66 68 70 71
20 FT WIND DIR..NW NW NW W SW S S S S S S S
20 FT WIND SPD..3 2 2 2 1 2 2 2 2 2 2 2
20 FT WIND GUST.10 9 7 6 6 6 6 6 5 5 6 6
MIX HGT (KFT)...4.8 2.4 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1
TRANSP WIND DIR.W NW W W SW SW SW S S S S S
TRANSP WIND SPD.8 7 5 5 5 5 5 6 6 6 5 5
LVORI...........1 2 2 2 3 3 3 3 3 3 3 3
ADI.............48 3 2 2 2 2 2 3 3 3 2 2
VRATE MPH-FT/1K.39 16 0 0 0 0 0 0 0 0 0 0
CEILING (HFT)...165 202 240 240 240 300 300 300 300 300 300 300
VISIBILITY (SM).10 10 10 10 10 10 10 10 8 7 7 7
SFC PRES (IN)...702 704 705 706 706 706 705 704 703 702 702 702
SATURDAY
SKY/WEATHER.........MOSTLY SUNNY (35-45 PERCENT).
CHANCE OF THUNDER...10 PERCENT.
MAX TEMPERATURE.....AROUND 79.
MIN HUMIDITY........41 PERCENT.
WIND (20 FT)........LIGHT WINDS BECOMING SOUTHWEST 5 TO 7 MPH LATE
IN THE MORNING.
MIXING HEIGHT.......5000 FT AGL.
TRANSPORT WINDS.....SOUTH 5 TO 14 MPH SHIFTING TO THE SOUTHWEST 16
TO 17 MPH LATE IN THE MORNING.
SMOKE DISPERSAL.....POOR (0 MPH-FT) EARLY IN THE MORNING INCREASING
TO EXCELLENT (79985 MPH-FT) IN THE AFTERNOON.
LVORI...............2.
ADI.................2 EARLY IN THE MORNING INCREASING TO 97 IN THE
AFTERNOON.
STABILITY CLASS.....4.
PCPN AMOUNT.........0.00 INCHES.
CEILING (FT)........30000.
VISIBILITY (SM).....7 EARLY IN THE MORNING.
SFC PRESSURE (IN)...26.94.
TIME (EDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........18 22 26 29 32 34 40 45 51 55 60 64
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
CHC OF THDR (%).0 0 0 0 0 0 0 0 10 10 10 10
TEMP............56 56 58 62 67 72 75 77 78 79 79 77
DEWPOINT........47 48 49 51 53 54 54 54 53 53 53 53
RH..............73 74 72 66 59 53 48 44 42 41 41 43
20 FT WIND DIR..S S S S S SW SW SW SW SW SW SW
20 FT WIND SPD..1 1 2 2 3 5 6 7 7 7 7 6
20 FT WIND GUST.6 6 7 8 10 13 15 16 17 17 17 17
MIX HGT (KFT)...0.1 0.1 0.1 1.2 2.4 3.7 4.1 4.5 5.0 4.9 4.9 4.8
TRANSP WIND DIR.S S S S SW SW SW SW SW SW SW SW
TRANSP WIND SPD.5 6 7 10 14 16 17 16 16 16 16 16
LVORI...........3 3 3 3 1 1 1 1 1 1 1 1
ADI.............2 6 7 16 44 75 90 86 93 92 91 97
VRATE MPH-FT/1K.0 0 0 13 34 59 71 73 80 79 79 78
CEILING (HFT)...300 300 300 300 300 300 300 300 300 300 300 300
VISIBILITY (SM).7 8 10
SFC PRES (IN)...702 703 703 703 703 703 702 701 699 697 695 694
FORECASTER...JDL
REQUESTED BY...NC-NCC DISPATCH
TYPE OF REQUEST...WILDFIRE
.TAG 2610587.0/GSP
.DELDT 04/16/26
.FORMATTERVERSION 2.0.0
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