268  
FNUS72 KGSP 161307  
FWSGSP  
 
SPOT FORECAST FOR ROWAN-ROCKY CREEK TREE FARM...NC FOREST SERVICE  
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC  
907 AM EDT WED SEP 16 2020  
 
FORECAST IS BASED ON IGNITION TIME OF 0900 EDT ON SEPTEMBER 16.  
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER  
SERVICE.  
   
DISCUSSION
 
 
HIGH PRESSURE WILL MAINTAIN COOLER AND DRIER WEATHER ACROSS THE  
REGION TODAY AS MOISTURE ASSOCIATED WITH TROPICAL CYCLONE SALLY  
BEGINS TO MOVE INTO THE AREA LATE THIS AFTERNOON. EXPECT HEAVY  
RAINFALL THURSDAY AND FRIDAY AS THE REMNANTS OF SALLY MOVES INTO THE  
SOUTHEAST, WITH A FALL-LIKE AIR MASS SETTLING INTO THE REGION OVER  
THE WEEKEND.  
   
TODAY
 
 
SKY/WEATHER.........PARTLY SUNNY (50-60 PERCENT).  
MAX TEMPERATURE.....AROUND 76.  
MIN HUMIDITY........62 PERCENT.  
WIND (20 FT)........NORTHEAST WINDS 5 TO 7 MPH.  
MIXING HEIGHT.......3000 FT AGL INCREASING TO 3800 FT AGL IN THE  
AFTERNOON.  
TRANSPORT WINDS.....NORTHEAST AROUND 6 MPH SHIFTING TO THE  
SOUTHEAST 8 TO 10 MPH IN THE LATE MORNING AND  
AFTERNOON.  
SMOKE DISPERSAL.....POOR (5800 KNOT-FT) EARLY IN THE MORNING  
INCREASING TO GOOD (38000 KNOT-FT) IN THE  
AFTERNOON.  
LVORI...............3.  
ADI.................18.  
PCPN AMOUNT.........0.00 INCHES.  
CEILING (FT)........2500 EARLY BECOMING 23000 THIS AFTERNOON.  
VISIBILITY (SM).....9.  
 
TIME (EDT) 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM  
SKY (%).........46 44 42 46 50 54 59 64 70  
WEATHER COV.....  
WEATHER TYPE....  
TSTM COV........  
TEMP............59 62 66 69 71 74 75 75 76  
RH..............85 80 75 70 66 63 62 62 63  
20 FT WIND DIR..NE NE NE NE NE NE NE NE NE  
20 FT WIND SPD..5 6 6 6 5 5 5 5 5  
20 FT WIND GUST.8 9 9 9 8 8 8 8 8  
MIX HGT (KFT)...1.2 1.8 2.5 2.9 3.5 3.8 3.7 3.3 3.1  
TRANSP WIND DIR.NE E E E SE SE SE SE E  
TRANSP WIND SPD.6 7 7 7 9 10 10 8 8  
LVORI...........4 4 3 3 3 2 2 2 2  
ADI.............8 16 20 22 27 28 28 27 26  
VRATE KT-FT/10006 11 15 17 31 38 37 23 22  
CEILING (HFT)...025 240 240 250 240 240 240 240 240  
VISIBILITY (SM).9 9 9 9 9 9 9 9 9  
   
TONIGHT
 
 
SKY/WEATHER.........MOSTLY CLOUDY (80-90 PERCENT). CHANCE OF SHOWERS  
IN THE EVENING, THEN SHOWERS  
LIKELY OVERNIGHT. PATCHY FOG AFTER 3 AM.  
MIN TEMPERATURE.....AROUND 63.  
MAX HUMIDITY........98 PERCENT.  
WIND (20 FT)........NORTHEAST WINDS 5 TO 10 MPH.  
MIXING HEIGHT.......500 FT AGL DECREASING TO 300 FT AGL LATE IN THE  
EVENING.  
TRANSPORT WINDS.....NORTHEAST 5 TO 8 MPH.  
SMOKE DISPERSAL.....FAIR (14300 KNOT-FT)  
LVORI...............6.  
ADI.................9.  
PCPN AMOUNT.........0.18 INCHES.  
CEILING (FT)........10000 DECREASING TO 500.0.  
VISIBILITY (SM).....5.  
 
TIME (EDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM  
SKY (%).........75 81 86 89 92 95 96 97 97 97 97 97  
WEATHER COV..... SCH SCH SCH CHC CHC CHC CHC LKY LKY LKY LKY  
WEATHER TYPE.... RW RW RW RW RW RW RW RW RW RW RW  
TSTM COV........  
TEMP............74 71 69 68 67 66 66 65 65 64 64 64  
RH..............68 74 81 85 87 88 90 92 94 95 96 97  
20 FT WIND DIR..NE NE NE NE NE NE NE NE NE NE NE NE  
20 FT WIND SPD..5 5 5 5 5 6 6 6 6 6 6 7  
20 FT WIND GUST.7 7 6 6 6 6 6 6 7 7 7 8  
MIX HGT (KFT)...2.4 1.7 0.9 0.7 0.5 0.3 0.3 0.3 0.3 0.3 0.3 0.4  
TRANSP WIND DIR.E NE N N NE NE NE NE NE NE NE NE  
TRANSP WIND SPD.7 6 5 5 5 6 6 7 7 7 6 7  
LVORI...........3 3 5 5 6 6 6 6 6 7 8 8  
ADI.............15 4 2 2 2 3 3 5 5 5 4 4  
VRATE KT-FT/100014 8 4 3 2 1 1 2 2 2 2 3  
CEILING (HFT)...110 110 100 50 40 29 17 14 10 8.0 7.0 5.0  
VISIBILITY (SM).9 9 9 9 9 9 9 9 8 7 6 5  
   
THURSDAY
 
 
SKY/WEATHER.........CLOUDY (95-100 PERCENT). AREAS OF FOG IN THE MORNING.  
SHOWERS DEVELOPING.  
MAX TEMPERATURE.....AROUND 70.  
MIN HUMIDITY........93 PERCENT.  
WIND (20 FT)........NORTHEAST WINDS 5 TO 9 MPH.  
MIXING HEIGHT.......1800 FT AGL.  
TRANSPORT WINDS.....NORTHEAST 5 TO 14 MPH INCREASING TO 18 TO 26  
MPH LATE IN THE AFTERNOON.  
SMOKE DISPERSAL.....POOR (2000 KNOT-FT) EARLY IN THE MORNING  
INCREASING TO GOOD (41200 KNOT-FT) IN THE  
AFTERNOON.  
LVORI...............7.  
ADI.................14 INCREASING TO 40 LATE IN THE AFTERNOON.  
PCPN AMOUNT.........1.56 INCHES.  
CEILING (FT)........300 TO 1000.  
VISIBILITY (SM).....1 TO 4 MILES.  
 
TIME (EDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM  
SKY (%).........97 97 97 98 98 99 98 98 97 97 98 98  
WEATHER COV.....LKY LKY LKY DEF DEF DEF DEF DEF DEF DEF DEF DEF  
WEATHER TYPE....RW RW RW RW RW RW RW RW RW RW RW RW  
TSTM COV........  
TEMP............64 64 64 65 66 68 68 69 69 69 69 69  
RH..............98 98 98 98 98 99 97 95 95 94 93 94  
20 FT WIND DIR..NE NE NE NE NE NE NE NE NE NE NE NE  
20 FT WIND SPD..5 5 5 5 5 5 5 6 6 7 8 9  
20 FT WIND GUST.8 8 8 6 6 6 6 7 8 9 12 14  
MIX HGT (KFT)...0.4 0.4 0.4 0.6 0.9 1.1 1.3 1.5 1.6 1.7 1.7 1.8  
TRANSP WIND DIR.NE NE NE NE NE NE NE NE NE NE NE NE  
TRANSP WIND SPD.6 6 6 7 7 9 10 12 14 18 23 26  
LVORI...........9 8 8 8 8 5 5 5 5 4 4 4  
ADI.............4 6 6 8 8 13 16 19 24 32 41 48  
VRATE KT-FT/10002 2 2 4 5 9 12 15 20 27 35 41  
CEILING (HFT)...4.0 4.0 3.0 3.0 3.0 3.0 3.0 3.0 3.0 10 10 10  
VISIBILITY (SM).5 5 4 4 2.7 2.0 1.6 1.6  
 

 
FORECASTER...HARRY GERAPETRITIS  
REQUESTED BY...NANCY BLACKWOOD  
TYPE OF REQUEST...PRESCRIBED  
.TAG 2012681.0/GSP  
.DELDT 09/16/20  
.FORMATTERVERSION 1.0.26  
 
CLICK HERE TO GO TO PREVIOUS BULLETINS.

The Nexlab SC Page
The Nexlab NC Page
The Nexlab GA Page Main Text Page