824  
FNUS72 KGSP 121056  
FWSGSP  
 
SPOT FORECAST FOR LONG CANE DOVE FIELDS...USFS  
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC  
656 AM EDT TUE MAY 12 2026  
 
FORECAST IS BASED ON IGNITION TIME OF 0700 EDT ON MAY 12.  
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER  
SERVICE.  
   
DISCUSSION
 
 
GRADUAL DECREASE IN CLOUDS TODAY, WITH LIGHT EAST WINDS, AS DRY  
AIR WORKS IN FROM THE NORTHEAST. RELATIVE HUMIDITY WILL DROP INTO  
THE 30 TO 35 PERCENT RANGE THIS AFTERNOON. NO PRECIPITATION IS  
EXPECTED THROUGH THE WEEK.  
   
TODAY
 
 
SKY/WEATHER.........PARTLY SUNNY (60-70 PERCENT).  
CHANCE OF THUNDER...0 PERCENT.  
MAX TEMPERATURE.....AROUND 77.  
MIN HUMIDITY........33 PERCENT.  
WIND (20 FT)........EAST WINDS 5 TO 7 MPH.  
MIXING HEIGHT.......5800 FT AGL.  
TRANSPORT WINDS.....EAST 8 TO 14 MPH.  
SMOKE DISPERSAL.....POOR (8631 MPH-FT) EARLY IN THE MORNING  
INCREASING TO GOOD (51558 MPH-FT) IN THE  
AFTERNOON.  
LVORI...............3.  
ADI.................9 EARLY IN THE MORNING INCREASING TO 60 IN THE  
AFTERNOON.  
STABILITY CLASS.....2.  
PCPN AMOUNT.........0.00 INCHES.  
CEILING (FT)........5400.  
VISIBILITY (SM).....10.  
SFC PRESSURE (IN)...29.52.  
 
TIME (EDT) 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM  
SKY (%).........76 83 81 74 65 63 64 60 53 42 47  
WEATHER COV.....  
WEATHER TYPE....  
TSTM COV........  
CHC OF THDR (%).0 0 0 0 0 0 0 0 0 0 0  
TEMP............55 56 59 64 68 70 73 74 77 77 77  
DEWPOINT........49 49 50 49 48 47 46 46 46 46 46  
RH..............79 76 71 59 49 43 39 36 34 33 33  
20 FT WIND DIR..NE NE NE E E E E E E E E  
20 FT WIND SPD..6 6 6 6 7 7 6 6 6 5 5  
20 FT WIND GUST.14 14 14 14 14 14 12 13 12 10 10  
MIX HGT (KFT)...0.8 1.6 1.9 2.3 2.8 3.6 4.6 5.0 5.5 5.8 5.8  
TRANSP WIND DIR.E E E E E E E E E E E  
TRANSP WIND SPD.12 14 14 14 14 13 10 10 9 8 8  
LVORI...........4 3 3 1 1 1 1 1 1 1 1  
ADI.............9 28 32 37 42 55 56 60 57 57 57  
VRATE MPH-FT/1K.9 22 26 32 39 45 48 52 50 47 47  
CEILING (HFT)...54 54 54 54 54 71 71 71 71 71 71  
VISIBILITY (SM).10 10 10 10 10 10 10 10 10 10 10  
SFC PRES (IN)...958 960 961 961 961 960 959 957 955 953 952  
   
TONIGHT
 
 
SKY/WEATHER.........MOSTLY CLEAR (15-25 PERCENT).  
CHANCE OF THUNDER...0 PERCENT.  
MIN TEMPERATURE.....AROUND 52.  
MAX HUMIDITY........91 PERCENT.  
WIND (20 FT)........EAST WINDS AROUND 5 MPH EARLY IN THE EVENING  
BECOMING LIGHT.  
MIXING HEIGHT.......400 FT AGL.  
TRANSPORT WINDS.....EAST 6 TO 10 MPH.  
SMOKE DISPERSAL.....GOOD (43272 MPH-FT) EARLY IN THE EVENING  
DECREASING TO POOR (2301 MPH-FT) LATE IN THE  
NIGHT.  
LVORI...............4.  
ADI.................54 EARLY IN THE EVENING DECREASING TO 3 LATE IN  
THE NIGHT.  
STABILITY CLASS.....4.  
PCPN AMOUNT.........0.00 INCHES.  
CEILING (FT)........5800.  
VISIBILITY (SM).....10.  
SFC PRESSURE (IN)...29.5.  
 
TIME (EDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM  
SKY (%).........42 27 25 20 31 14 8 2 2 14 17 23  
WEATHER COV.....  
WEATHER TYPE....  
TSTM COV........  
CHC OF THDR (%).0 0 0 0 0 0 0 0 0 0 0 0  
TEMP............77 75 71 65 61 59 58 57 55 54 53 52  
DEWPOINT........46 46 49 49 48 47 48 48 49 49 49 49  
RH..............33 36 45 56 61 64 68 73 78 83 86 89  
20 FT WIND DIR..E E E E E E SE SE SE N N N  
20 FT WIND SPD..5 3 2 2 2 2 2 2 1 0 0 0  
20 FT WIND GUST.9 8 7 7 7 8 8 7 6 5 3 2  
MIX HGT (KFT)...5.4 2.7 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4  
TRANSP WIND DIR.E E E E E SE SE SE SE E E E  
TRANSP WIND SPD.8 8 7 7 8 9 10 10 9 8 7 6  
LVORI...........1 2 2 3 3 3 3 3 4 5 6 6  
ADI.............54 4 3 3 4 4 5 5 4 4 3 3  
VRATE MPH-FT/1K.43 21 3 3 3 4 5 4 4 3 3 2  
CEILING (HFT)...62 62 62 62 62 62 67 59 59 59 58 58  
VISIBILITY (SM).10 10 10 10 10 10 10 10 10 10 10 10  
SFC PRES (IN)...951 951 952 953 954 955 955 954 953 952 951 950  
   
WEDNESDAY
 
 
SKY/WEATHER.........MOSTLY SUNNY (30-40 PERCENT).  
CHANCE OF THUNDER...0 PERCENT.  
MAX TEMPERATURE.....AROUND 81.  
MIN HUMIDITY........44 PERCENT.  
WIND (20 FT)........LIGHT WINDS BECOMING SOUTHWEST 5 TO 7 MPH LATE  
IN THE AFTERNOON.  
MIXING HEIGHT.......7600 FT AGL.  
TRANSPORT WINDS.....EAST AROUND 5 MPH SHIFTING TO THE SOUTH AROUND  
6 MPH LATE IN THE MORNING, THEN SHIFTING TO THE  
WEST 7 TO 14 MPH IN THE AFTERNOON.  
SMOKE DISPERSAL.....POOR (1726 MPH-FT) EARLY IN THE MORNING  
INCREASING TO EXCELLENT (105534 MPH-FT) IN THE  
AFTERNOON.  
LVORI...............4.  
ADI.................2 EARLY IN THE MORNING INCREASING TO 124 IN THE  
AFTERNOON.  
STABILITY CLASS.....4.  
PCPN AMOUNT.........0.00 INCHES.  
CEILING (FT)........4200 INCREASING TO 8000 LATE IN THE AFTERNOON.  
VISIBILITY (SM).....10.  
SFC PRESSURE (IN)...29.27.  
 
TIME (EDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM  
SKY (%).........24 45 42 63 58 63 54 58 40 22 11 11  
WEATHER COV.....  
WEATHER TYPE....  
TSTM COV........  
CHC OF THDR (%).0 0 0 0 0 0 0 0 0 0 0 0  
TEMP............52 53 56 60 66 71 74 76 78 79 80 81  
DEWPOINT........50 50 52 54 56 58 57 57 57 57 57 57  
RH..............90 91 88 83 71 63 57 52 49 46 45 44  
20 FT WIND DIR..N N N N N S SW SW SW SW SW W  
20 FT WIND SPD..0 0 0 0 0 1 2 3 5 6 6 7  
20 FT WIND GUST.2 2 3 2 3 5 7 9 12 13 14 14  
MIX HGT (KFT)...0.4 0.4 0.7 1.3 2.1 3.1 4.0 5.3 5.8 6.9 7.6 6.6  
TRANSP WIND DIR.E E NE E S S SW W W W W W  
TRANSP WIND SPD.5 5 5 5 6 6 7 9 9 13 14 12  
LVORI...........7 6 6 4 3 2 1 1 1 1 1 1  
ADI.............2 4 4 8 16 22 33 56 66 105 124 82  
VRATE MPH-FT/1K.2 2 3 6 12 18 28 49 53 88 106 75  
CEILING (HFT)...58 58 58 58 58 50 50 50 42 42 42 80  
VISIBILITY (SM).10 10 10 10 10 10 10 10 10 10 10 10  
SFC PRES (IN)...951 952 952 951 949 947 944 941 937 933 930 927  
 

 
FORECASTER...ARK  
REQUESTED BY...DALLON SWINDLEHURST  
TYPE OF REQUEST...PRESCRIBED  
.TAG 2613435.0/GSP  
.DELDT 05/12/26  
.FORMATTERVERSION 2.0.0  
 
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