636
FNUS72 KGSP 131451
FWSGSP
SPOT FORECAST FOR LONG ARM 3...RESENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
951 AM EST TUE JAN 13 2026
FORECAST IS BASED ON IGNITION TIME OF 1000 EST ON JANUARY 13.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.
DISCUSSION
A WARM AND DRY AIR MASS WILL LEAD TO LOW RELATIVE HUMIDITY VALUES
TODAY. LIGHT SOUTH TO SOUTHWEST WINDS ARE EXPECTED. THE AIR MASS
REMAINS WARM ON WEDNESDAY BUT NOT AS DRY AS MOISTURE INCREASES AHEAD
OF A COLD FRONT. WINDS WILL STILL BE ON THE LIGHTER SIDE BUT WILL
INCREASE SOMEWHAT DURING THE AFTERNOON. A CHANCE OF RAIN DEVELOPS
BY AFTERNOON AS WELL.
REST OF TODAY
SKY/WEATHER.........SUNNY (0-10 PERCENT).
CHANCE OF THUNDER...0 PERCENT.
MAX TEMPERATURE.....AROUND 56.
MIN HUMIDITY........25 PERCENT.
WIND (20 FT)........LIGHT WINDS.
MIXING HEIGHT.......2200 FT AGL.
TRANSPORT WINDS.....SOUTHWEST 3 TO 10 MPH.
SMOKE DISPERSAL.....POOR (2762 MPH-FT) EARLY IN THE MORNING
INCREASING TO FAIR (23362 MPH-FT) IN THE
AFTERNOON.
LVORI...............2.
ADI.................4 TO 30.
STABILITY CLASS.....2.
PCPN AMOUNT.........0.00 INCHES.
CEILING (FT)........25000.
VISIBILITY (SM).....10.
SFC PRESSURE (IN)...28.06.
TIME (EST) 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........3 2 3 3 4 3 3 6
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
CHC OF THDR (%).0 0 0 0 0 0 0 0
TEMP............40 46 50 53 54 55 55 52
DEWPOINT........23 24 23 22 21 21 22 23
RH..............49 42 34 30 27 26 27 32
20 FT WIND DIR..SW SW SW SW SW SW SW SW
20 FT WIND SPD..1 1 2 3 3 3 2 2
20 FT WIND GUST.3 5 7 9 9 9 9 8
MIX HGT (KFT)...0.8 1.4 1.9 2.1 2.2 2.2 1.7 0.8
TRANSP WIND DIR.SW SW SW SW SW SW S S
TRANSP WIND SPD.3 7 8 8 9 10 10 8
LVORI...........2 2 2 2 2 2 2 2
ADI.............4 13 20 22 27 30 24 11
VRATE MPH-FT/1K.3 10 16 17 21 23 19 8
CEILING (HFT)...250 250 250 250 250 250 250 250
VISIBILITY (SM).10 10 10 10 10 10 10 10
SFC PRES (IN)...823 821 818 815 812 810 808 806
TONIGHT
SKY/WEATHER.........MOSTLY CLEAR (15-25 PERCENT).
CHANCE OF THUNDER...0 PERCENT.
MIN TEMPERATURE.....AROUND 33.
MAX HUMIDITY........82 PERCENT.
WIND (20 FT)........LIGHT WINDS.
MIXING HEIGHT.......600 FT AGL.
TRANSPORT WINDS.....SOUTHWEST 6 TO 8 MPH.
SMOKE DISPERSAL.....POOR (3452 MPH-FT).
LVORI...............3.
ADI.................3 TO 4.
STABILITY CLASS.....7.
PCPN AMOUNT.........0.00 INCHES.
CEILING (FT)........25000.
VISIBILITY (SM).....10.
SFC PRESSURE (IN)...27.9.
TIME (EST) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
SKY (%).........6 4 11 7 6 6 8 8 15 20 23 34
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
CHC OF THDR (%).0 0 0 0 0 0 0 0 0 0 0 0
TEMP............49 44 42 40 39 38 37 36 36 35 34 34
DEWPOINT........27 31 31 31 31 30 30 29 28 28 28 28
RH..............42 60 64 68 71 73 73 73 72 76 76 78
20 FT WIND DIR..SW W W SW SW SW W W SW SW SW SW
20 FT WIND SPD..2 2 2 1 1 1 2 2 2 1 2 1
20 FT WIND GUST.7 6 6 5 5 5 5 5 5 5 5 3
MIX HGT (KFT)...0.7 0.7 0.6 0.6 0.6 0.6 0.6 0.6 0.6 0.6 0.6 0.6
TRANSP WIND DIR.S SW SW SW SW SW SW W SW W SW SW
TRANSP WIND SPD.7 8 8 8 7 7 7 6 7 7 7 7
LVORI...........2 3 3 3 3 4 4 3 3 4 4 4
ADI.............4 4 4 4 4 4 3 3 3 3 3 4
VRATE MPH-FT/1K.6 6 6 6 5 5 5 4 5 5 5 5
CEILING (HFT)...250 250 250 250 250 250 250 250 250 250 250 250
VISIBILITY (SM).10 10 10 10 10 10 10 10 10 10 10 10
SFC PRES (IN)...805 804 803 802 801 799 798 796 794 793 791 790
WEDNESDAY
SKY/WEATHER.........MOSTLY SUNNY (40-50 PERCENT) THEN BECOMING
MOSTLY CLOUDY (70-80 PERCENT). CHANCE OF RAIN
LATE IN THE AFTERNOON.
CHANCE OF THUNDER...0 PERCENT.
MAX TEMPERATURE.....AROUND 55.
MIN HUMIDITY........50 PERCENT.
WIND (20 FT)........LIGHT WINDS.
MIXING HEIGHT.......3200 FT AGL.
TRANSPORT WINDS.....SOUTHWEST 5 TO 14 MPH SHIFTING TO THE WEST 15
TO 16 MPH LATE IN THE AFTERNOON.
SMOKE DISPERSAL.....POOR (2531 MPH-FT) EARLY IN THE MORNING
INCREASING TO GOOD (50408 MPH-FT) IN THE
AFTERNOON.
LVORI...............3.
ADI.................5 EARLY IN THE MORNING INCREASING TO 62 IN THE
AFTERNOON.
STABILITY CLASS.....2.
PCPN AMOUNT.........0.00 INCHES.
CEILING (FT)........25000 DECREASING TO 6000.
VISIBILITY (SM).....10.
SFC PRESSURE (IN)...27.73.
TIME (EST) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........38 33 40 57 74 72 70 68 72 76 79 80
WEATHER COV..... SCH SCH SCH CHC
WEATHER TYPE.... RN RN RN RN
TSTM COV........
CHC OF THDR (%).0 0 0 0 0 0 0 0 0 0 0 0
TEMP............33 34 35 37 42 46 49 52 54 55 54 52
DEWPOINT........28 28 28 30 33 34 35 35 35 36 36 36
RH..............82 80 78 75 71 64 57 52 50 50 51 54
20 FT WIND DIR..SW SW SW SW SW SW SW SW SW W W W
20 FT WIND SPD..1 1 1 1 1 2 2 3 3 3 3 3
20 FT WIND GUST.3 5 3 5 5 7 9 10 12 12 13 13
MIX HGT (KFT)...0.6 0.6 0.6 0.5 0.7 1.5 2.5 3.2 3.1 2.7 2.2 1.7
TRANSP WIND DIR.SW SW SW SW SW SW W W W W W W
TRANSP WIND SPD.6 6 5 5 6 8 12 14 15 15 15 16
LVORI...........5 4 4 4 3 2 1 1 1 1 1 1
ADI.............7 7 5 6 11 24 42 60 62 54 44 38
VRATE MPH-FT/1K.4 5 3 4 8 18 33 49 50 43 35 30
CEILING (HFT)...250 250 170 120 120 120 130 130 120 80 60 60
VISIBILITY (SM).10 10 10 10 10 10 10 10 10 10 10 10
SFC PRES (IN)...789 788 788 788 787 785 782 779 776 774 773 774
FORECASTER...RWH
REQUESTED BY...ANDREW SLACK
TYPE OF REQUEST...PRESCRIBED
.TAG 2528974.0/GSP
.DELDT 01/13/26
.FORMATTERVERSION 2.0.0
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