554
FNUS72 KGSP 130851
FWSGSP
SPOT FORECAST FOR NLT FOUR TOWER LOOP...THE NATURE CONSERVANCY
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
451 AM EDT MON APR 13 2026
FORECAST IS BASED ON IGNITION TIME OF 0700 EDT ON APRIL 13.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.
DISCUSSION
WARM AND DRY CONDITIONS EXPECTED TODAY AND TUESDAY WITH MINIMUM
RELATIVE HUMIDITY VALUES BETWEEN 30-35% EACH AFTERNOON. WINDS WILL
BE OUT OF THE SOUTHWEST AT 5-10 MPH WITH GUSTS UP TO 20 MPH
DURING THE AFTERNOON.
REST OF TODAY
SKY/WEATHER.........MOSTLY SUNNY (45-55 PERCENT).
MAX TEMPERATURE.....AROUND 81.
MIN HUMIDITY........32 PERCENT.
WIND (20 FT)........LIGHT WINDS BECOMING SOUTHWEST 5 TO 8 MPH LATE
IN THE MORNING.
MIXING HEIGHT.......6300 FT AGL.
TRANSPORT WINDS.....SOUTHWEST 6 TO 13 MPH INCREASING TO 15 TO 16
MPH IN THE AFTERNOON.
SMOKE DISPERSAL.....POOR (3222 MPH-FT) EARLY IN THE MORNING
INCREASING TO EXCELLENT (94256 MPH-FT) IN THE
AFTERNOON.
LVORI...............3.
ADI.................6 EARLY IN THE MORNING INCREASING TO 104 IN THE
AFTERNOON.
STABILITY CLASS.....1.
PCPN AMOUNT.........0.00 INCHES.
CEILING (FT)........23000.
VISIBILITY (SM).....9.
SFC PRESSURE (IN)...28.51.
TIME (EDT) 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........70 56 49 50 45 39 40 29 37 47 49
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
TEMP............56 56 59 64 69 73 76 79 80 80 81
DEWPOINT........50 51 52 53 53 52 51 50 50 49 48
RH..............79 82 78 66 58 48 42 37 34 33 32
20 FT WIND DIR..W SW SW SW SW SW SW SW SW SW SW
20 FT WIND SPD..1 1 2 3 5 6 7 8 8 8 7
20 FT WIND GUST.6 6 8 10 13 15 17 18 18 18 16
MIX HGT (KFT)...0.6 0.6 1.3 1.9 2.2 3.0 4.6 5.6 6.1 6.3 6.3
TRANSP WIND DIR.SW SW SW SW SW SW SW W SW W W
TRANSP WIND SPD.6 6 10 12 12 13 16 16 15 15 15
LVORI...........4 4 3 3 1 1 1 1 1 1 1
ADI.............6 6 17 29 32 49 87 102 101 104 103
VRATE MPH-FT/1K.3 3 14 22 25 38 74 90 91 94 94
CEILING (HFT)...250 250 250 250 250 250 240 240 230 230 240
VISIBILITY (SM).9 9 9 9 9 9 9 9 9 9 9
SFC PRES (IN)...861 862 863 863 862 861 860 858 856 853 851
TONIGHT
SKY/WEATHER.........MOSTLY CLEAR (20-30 PERCENT).
MIN TEMPERATURE.....AROUND 58.
MAX HUMIDITY........77 PERCENT.
WIND (20 FT)........SOUTHWEST WINDS AROUND 6 MPH EARLY IN THE
EVENING BECOMING LIGHT.
MIXING HEIGHT.......500 FT AGL.
TRANSPORT WINDS.....SOUTHWEST 6 TO 15 MPH.
SMOKE DISPERSAL.....EXCELLENT (82172 MPH-FT) EARLY IN THE EVENING
DECREASING TO POOR (2992 MPH-FT) LATE IN THE
NIGHT.
LVORI...............2.
ADI.................101 EARLY IN THE EVENING DECREASING TO 3 LATE
IN THE NIGHT.
STABILITY CLASS.....4.
PCPN AMOUNT.........0.00 INCHES.
CEILING (FT)........22000.
VISIBILITY (SM).....9.
SFC PRESSURE (IN)...28.49.
TIME (EDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
SKY (%).........41 27 33 22 25 12 21 14 7 5 7 7
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
TEMP............80 78 75 70 68 66 64 63 62 61 59 59
DEWPOINT........48 48 50 50 49 50 50 50 50 50 50 50
RH..............32 35 41 50 52 55 60 63 65 69 70 73
20 FT WIND DIR..SW SW SW SW W W W W W W W W
20 FT WIND SPD..6 6 3 2 2 2 2 2 2 1 1 1
20 FT WIND GUST.16 14 12 9 8 7 6 6 6 6 6 6
MIX HGT (KFT)...5.5 1.2 0.6 0.6 0.6 0.6 0.6 0.6 0.5 0.5 0.5 0.5
TRANSP WIND DIR.SW S SW SW SW SW W W W W W W
TRANSP WIND SPD.15 10 9 8 6 7 7 7 7 7 7 6
LVORI...........1 2 2 2 2 3 3 3 3 3 3 3
ADI.............101 5 4 4 3 3 3 3 3 3 3 3
VRATE MPH-FT/1K.82 12 5 4 3 4 4 4 4 4 4 3
CEILING (HFT)...240 230 230 230 230 230 230 230 220 220 220 220
VISIBILITY (SM).9 9 9 9 9 9 9 9 9 9 9 9
SFC PRES (IN)...850 850 851 852 853 853 852 851 850 849 849 849
TUESDAY
SKY/WEATHER.........SUNNY (15-25 PERCENT).
MAX TEMPERATURE.....AROUND 86.
MIN HUMIDITY........34 PERCENT.
WIND (20 FT)........LIGHT WINDS BECOMING SOUTHWEST 5 TO 8 MPH LATE
IN THE MORNING.
MIXING HEIGHT.......6100 FT AGL.
TRANSPORT WINDS.....WEST 5 TO 14 MPH INCREASING TO 14 TO 15 MPH
LATE IN THE AFTERNOON.
SMOKE DISPERSAL.....POOR (2301 MPH-FT) EARLY IN THE MORNING
INCREASING TO EXCELLENT (90113 MPH-FT) IN THE
AFTERNOON.
LVORI...............3.
ADI.................3 EARLY IN THE MORNING INCREASING TO 100 IN THE
AFTERNOON.
STABILITY CLASS.....4.
PCPN AMOUNT.........0.00 INCHES.
CEILING (FT)........23000 INCREASING TO 30000 LATE IN THE MORNING.
VISIBILITY (SM).....9 EARLY IN THE MORNING.
SFC PRESSURE (IN)...28.41.
TIME (EDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........15 20 16 11 11 10 13 17 20 22 23 25
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
TEMP............58 58 59 62 68 74 79 82 84 86 86 86
DEWPOINT........50 50 51 53 54 55 56 56 56 55 55 54
RH..............73 75 77 71 61 51 45 41 38 36 34 34
20 FT WIND DIR..W W W W W SW SW SW SW SW SW SW
20 FT WIND SPD..1 1 1 2 3 5 6 7 7 8 8 8
20 FT WIND GUST.6 6 6 7 9 12 14 16 17 17 18 18
MIX HGT (KFT)...0.5 0.5 0.5 1.2 2.0 2.9 3.9 4.9 5.9 6.0 6.0 6.1
TRANSP WIND DIR.W W W W W W W W W W W W
TRANSP WIND SPD.6 5 6 8 10 12 13 14 14 14 15 14
LVORI...........3 4 4 3 2 1 1 1 1 1 1 1
ADI.............3 4 6 12 26 43 62 79 91 92 100 93
VRATE MPH-FT/1K.3 2 3 9 20 33 49 68 82 83 90 84
CEILING (HFT)...230 230 240 240 240 300 300 300 300 300 300 300
VISIBILITY (SM).9 9 9
SFC PRES (IN)...850 850 851 851 852 851 850 848 846 844 842 841
FORECASTER...CAC
REQUESTED BY...YEATMAN
TYPE OF REQUEST...PRESCRIBED
.TAG 2610135.0/GSP
.DELDT 04/13/26
.FORMATTERVERSION 2.0.0
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