244
FNUS72 KGSP 180933
FWSGSP
SPOT FORECAST FOR CATALOOCHEE FIELDS RX UPDATE 11-18-25...NATIONAL PARK SERVICE
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
433 AM EST TUE NOV 18 2025
FORECAST IS BASED ON IGNITION TIME OF 0800 EST ON NOVEMBER 18.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.
DISCUSSION
DRY WEATHER WILL CONTINUE WITH INCREASING CLOUDS THROUGH THE DAY
TODAY WITH MINIMUM HUMIDITY VALUES FALLING INTO THE LOW 30% RANGE.
SOUTHWEST WINDS EXPECTED AT 5 TO 10 MPH WITH GUSTS UP TO 15 MPH.
LOCALLY STRONGER GUSTS EXPECTED ALONG THE RIDGES. SCATTERED
SHOWERS LIKELY DEVELOP OVERNIGHT ACROSS THE MOUNTAINS WITH
RAINFALL AMOUNTS GENERALLY LESS THAN A TENTH OF AN INCH, WITH
LOCAL HIGHER AMOUNTS ON THE RIDGETOPS. CHANCE OF SHOWERS THROUGH
WEDNESDAY MORNING BEFORE DRIER CONDITIONS PREVAIL BY THE
AFTERNOON.
REST OF TODAY
SKY/WEATHER.........MOSTLY SUNNY (25-35 PERCENT).
CHANCE OF THUNDER...0 PERCENT.
MAX TEMPERATURE.....AROUND 64.
MIN HUMIDITY........30 PERCENT.
WIND (20 FT)........SOUTHWEST WINDS 5 TO 7 MPH.
MIXING HEIGHT.......2200 FT AGL.
TRANSPORT WINDS.....SOUTHWEST 14 TO 18 MPH.
SMOKE DISPERSAL.....POOR (10012 MPH-FT) EARLY IN THE MORNING
INCREASING TO GOOD (40050 MPH-FT) IN THE
AFTERNOON.
LVORI...............2.
ADI.................14 TO 51.
STABILITY CLASS.....3.
PCPN AMOUNT.........0.00 INCHES.
CEILING (FT)........6000 INCREASING TO 25000 IN THE AFTERNOON.
VISIBILITY (SM).....10.
TIME (EST) 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........7 7 28 46 56 54 49 55 44 54
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
CHC OF THDR (%).0 0 0 0 0 0 0 0 0 0
TEMP............44 51 56 60 62 64 64 64 63 60
DEWPOINT........25 28 30 30 31 32 35 35 36 36
RH..............48 40 36 33 31 30 33 34 36 41
20 FT WIND DIR..SW SW SW SW SW SW SW SW SW SW
20 FT WIND SPD..5 5 5 6 6 6 7 7 7 7
20 FT WIND GUST.12 12 12 13 13 14 14 14 15 16
MIX HGT (KFT)...0.8 0.9 1.2 1.7 1.8 2.1 2.2 2.1 2.0 1.2
TRANSP WIND DIR.SW SW SW SW SW SW SW SW SW SW
TRANSP WIND SPD.14 14 15 16 16 17 17 18 18 15
LVORI...........2 2 2 1 2 1 1 1 1 2
ADI.............14 17 23 35 29 47 49 51 47 24
VRATE MPH-FT/100011 13 17 27 29 37 39 40 36 18
CEILING (HFT)...80 70 60 60 60 250 250 250 250 250
VISIBILITY (SM).10 10 10 10 10 10 10 10 10 10
TONIGHT
SKY/WEATHER.........PARTLY CLOUDY (35-45 PERCENT) THEN BECOMING
MOSTLY CLOUDY (60-70 PERCENT). CHANCE OF RAIN
SHOWERS IN THE EVENING, THEN RAIN SHOWERS
LIKELY OVERNIGHT.
CHANCE OF THUNDER...10 PERCENT.
MIN TEMPERATURE.....AROUND 49.
MAX HUMIDITY........95 PERCENT.
WIND (20 FT)........SOUTHWEST WINDS 5 TO 7 MPH. GUSTS UP TO 20 MPH
EARLY IN THE EVENING.
MIXING HEIGHT.......800 FT AGL.
TRANSPORT WINDS.....SOUTHWEST 15 TO 21 MPH.
SMOKE DISPERSAL.....FAIR (18298 MPH-FT) EARLY IN THE EVENING
DECREASING TO POOR (11623 MPH-FT) LATE IN THE
NIGHT.
LVORI...............4.
ADI.................9 TO 14.
STABILITY CLASS.....5.
PCPN AMOUNT.........0.06 INCHES.
CEILING (FT)........25000 DECREASING TO 2000 IN THE LATE EVENING
AND OVERNIGHT.
VISIBILITY (SM).....8.
TIME (EST) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
SKY (%).........51 44 38 33 48 60 67 67 62 71 75 53
WEATHER COV..... SCH CHC CHC CHC CHC LKY LKY CHC
WEATHER TYPE.... RW RW RW RW RW RW RW RW
TSTM COV........
CHC OF THDR (%).0 0 10 10 10 10 10 10 10 10 0 0
TEMP............56 53 52 51 51 51 51 51 51 50 52 52
DEWPOINT........36 36 36 37 38 38 39 41 43 45 47 48
RH..............48 54 55 58 60 62 65 71 75 83 85 87
20 FT WIND DIR..SW SW SW SW SW SW SW SW SW SW SW SW
20 FT WIND SPD..7 7 7 7 6 6 6 6 5 5 5 5
20 FT WIND GUST.18 20 20 18 18 18 18 16 16 16 15 14
MIX HGT (KFT)...1.0 1.0 0.9 0.8 0.9 0.8 0.8 0.9 0.9 0.9 0.8 0.8
TRANSP WIND DIR.SW SW SW SW SW SW SW SW W W W W
TRANSP WIND SPD.16 17 20 21 21 21 21 20 20 18 17 15
LVORI...........2 2 2 2 2 2 3 3 4 4 4 5
ADI.............11 12 9 9 14 14 14 13 13 12 12 10
VRATE MPH-FT/100017 17 18 18 18 18 18 18 17 16 14 13
CEILING (HFT)...250 250 250 250 28 28 28 28 28 28 20 20
VISIBILITY (SM).10 10 10 10 10 10 10 10 9 9 8 8
WEDNESDAY
SKY/WEATHER.........PARTLY SUNNY (55-65 PERCENT). CHANCE OF RAIN IN
THE MORNING, THEN SLIGHT CHANCE OF RAIN IN THE
AFTERNOON.
CHANCE OF THUNDER...0 PERCENT.
MAX TEMPERATURE.....AROUND 66.
MIN HUMIDITY........68 PERCENT.
WIND (20 FT)........WEST WINDS AROUND 5 MPH EARLY IN THE MORNING
BECOMING LIGHT, THEN BECOMING WEST 5 TO 6 MPH
EARLY IN THE MORNING BECOMING LIGHT.
MIXING HEIGHT.......2900 FT AGL.
TRANSPORT WINDS.....WEST 10 TO 14 MPH.
SMOKE DISPERSAL.....POOR (10588 MPH-FT) EARLY IN THE MORNING
INCREASING TO GOOD (41431 MPH-FT) IN THE
AFTERNOON.
LVORI...............4.
ADI.................12 TO 33.
STABILITY CLASS.....3.
PCPN AMOUNT.........0.01 INCHES.
CEILING (FT)........2000 DECREASING TO 100.
VISIBILITY (SM).....9 EARLY IN THE MORNING.
TIME (EST) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........56 60 54 61 67 67 66 66 62 59 55 58
WEATHER COV.....SCH SCH SCH CHC CHC SCH SCH SCH SCH
WEATHER TYPE....RW RN RN RN RN RN RN RN RN
TSTM COV........
CHC OF THDR (%).0 0 0 0 0 0 0 0 0 0 0 0
TEMP............52 53 53 57 61 64 65 66 66 66 64 62
DEWPOINT........49 49 52 54 56 56 56 56 55 55 55 54
RH..............90 89 95 92 83 78 73 69 68 68 71 77
20 FT WIND DIR..W W W W W W W W W W W W
20 FT WIND SPD..5 3 5 5 5 5 6 6 6 6 5 3
20 FT WIND GUST.13 12 12 10 10 12 12 13 13 13 12 10
MIX HGT (KFT)...0.8 0.8 1.0 1.4 1.8 2.2 2.5 2.9 2.8 2.7 2.5 2.0
TRANSP WIND DIR.W W W W W W W W W W W W
TRANSP WIND SPD.14 13 12 12 12 13 14 14 13 12 10 10
LVORI...........5 5 5 5 4 3 3 3 3 3 3 3
ADI.............16 12 15 22 28 26 30 33 29 25 23 22
VRATE MPH-FT/100012 11 12 17 23 29 36 41 36 30 26 22
CEILING (HFT)...20 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0
VISIBILITY (SM).9
FORECASTER...CAC
REQUESTED BY...FIRE EFFECTS MONITOR
TYPE OF REQUEST...PRESCRIBED
.TAG 2526231.0/GSP
.DELDT 11/18/25
.FORMATTERVERSION 2.0.0
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