952  
FNUS72 KGSP 291033  
FWSGSP  
 
SPOT FORECAST FOR HWY 107 STATE PARK...USFS  
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC  
633 AM EDT WED MAR 29 2017  
 
FORECAST IS BASED ON IGNITION TIME OF 0700 EDT ON MARCH 29.  
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER  
SERVICE.  
   
DISCUSSION
 
 
DRY HIGH PRESSURE WILL BUILD SOUTH FROM EASTERN CANADA ALONG THE  
EAST COAST TODAY. MOISTURE WILL GRADUALLY RETURN ON THURSDAY, WITH  
ABUNDANT MOISTURE IN PLACE BY FRIDAY AS A STRONG LOW PRESSURE SYSTEM  
MOVES EAST FROM THE MISSISSIPPI RIVER VALLEY. DRIER WEATHER WILL  
RETURN FOR THE WEEKEND WITH UNSETTLED WEATHER RETURNING EARLY NEXT  
WEEK.  
   
TODAY
 
 
SKY/WEATHER.........MOSTLY SUNNY (25-35 PERCENT).  
MAX TEMPERATURE.....AROUND 77.  
MIN HUMIDITY........38 PERCENT.  
WIND (20 FT)........LIGHT WINDS.  
MIXING HEIGHT.......300-2200 FT AGL...INCREASING TO 5400 FT AGL.  
TRANSPORT WINDS.....NORTHWEST AROUND 5 MPH...BECOMING WEST 3 TO 9  
MPH IN THE LATE MORNING AND AFTERNOON.  
SMOKE DISPERSAL.....POOR TO GOOD (1000-40900 KNOT-FT).  
LVORI...............4.  
ADI.................10...INCREASING TO 34.  
STABILITY CLASS.....2.  
PCPN AMOUNT.........0.00 INCHES.  
CEILING (FT)........19000...DECREASING TO 4000 EARLY IN THE  
MORNING.  
VISIBILITY (SM).....8.  
SFC PRESSURE (IN)...28.37.  
 
TIME (EDT) 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM  
SKY (%).........21 24 23 22 21 26 31 36 37 37 38  
WEATHER COV.....  
WEATHER TYPE....  
TSTM COV........  
TEMP............51 52 57 62 66 69 72 74 75 76 76  
DEWPOINT........48 48 49 50 51 50 49 49 49 49 49  
RH..............90 85 75 65 58 50 44 40 39 38 39  
20 FT WIND DIR..N N N E E SE SE S S S S  
20 FT WIND SPD..3 3 2 3 3 3 3 3 3 4 4  
20 FT WIND GUST.5 5 5 5 5 5 5 5 5 5 5  
MIX HGT (KFT)...0.3 0.3 1.2 2.2 3.2 3.7 4.1 4.5 4.8 5.1 5.4  
TRANSP WIND DIR.N NW W S S S SW SW W W W  
TRANSP WIND SPD.5 5 5 3 3 3 3 3 6 8 9  
LVORI...........6 5 4 3 2 2 2 2 1 1 1  
ADI.............5 5 7 11 14 14 15 18 30 31 37  
VRATE KT-FT/10001 1 5 7 10 10 11 14 23 33 41  
CEILING (HFT)...190 40 40 45 45 45 45 50 50 50 50  
VISIBILITY (SM).8 8 8 10 10 10 10 10 10 10 10  
SFC PRES (IN)...837 839 840 841 842 842 841 840 840 839 839  
   
TONIGHT
 
 
SKY/WEATHER.........PARTLY CLOUDY (35-45 PERCENT)...THEN BECOMING  
MOSTLY CLOUDY (55-65 PERCENT).  
MIN TEMPERATURE.....AROUND 55.  
MAX HUMIDITY........89 PERCENT.  
WIND (20 FT)........LIGHT WINDS...BECOMING EAST AROUND 5 MPH LATE.  
MIXING HEIGHT.......3100-4300 FT AGL...DECREASING TO 300-2000 FT  
AGL EARLY IN THE EVENING.  
TRANSPORT WINDS.....SOUTHWEST AROUND 7 MPH...BECOMING EAST 3 TO 8  
MPH.  
SMOKE DISPERSAL.....POOR TO FAIR (1800-27000 KNOT-FT).  
LVORI...............4.  
ADI.................28...DECREASING TO 4.  
STABILITY CLASS.....5.  
PCPN AMOUNT.........0.00 INCHES.  
CEILING (FT)........4500...DECREASING TO 1100.  
VISIBILITY (SM).....7.  
SFC PRESSURE (IN)...28.36.  
 
TIME (EDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM  
SKY (%).........38 35 33 30 35 39 44 48 53 59 64 70  
WEATHER COV.....  
WEATHER TYPE....  
TSTM COV........  
TEMP............74 71 68 66 64 63 61 60 59 58 57 56  
DEWPOINT........49 51 52 52 52 52 52 52 52 52 52 52  
RH..............41 49 55 60 64 68 70 73 75 78 82 85  
20 FT WIND DIR..S S SE E E NE NE NE NE NE E E  
20 FT WIND SPD..4 3 2 2 3 3 3 3 3 4 4 4  
20 FT WIND GUST.5 5 5 5 5 5 5 5 5 5 10 10  
MIX HGT (KFT)...4.3 3.1 2.0 1.7 1.3 0.9 0.8 0.6 0.5 0.4 0.3 0.3  
TRANSP WIND DIR.SW S SE SE E E E E E E E E  
TRANSP WIND SPD.7 5 3 5 7 8 8 8 8 8 8 8  
LVORI...........2 2 3 3 3 3 3 3 4 4 4 5  
ADI.............28 2 2 2 3 4 4 4 4 5 5 5  
VRATE KT-FT/100027 14 6 6 7 6 6 5 3 3 2 2  
CEILING (HFT)...50 50 60 50 50 50 50 50 50 45 35 11  
VISIBILITY (SM).9 9 9 9 9 9 9 9 9 9 8 7  
SFC PRES (IN)...839 838 838 839 840 841 840 840 839 838 837 836  
   
THURSDAY
 
 
SKY/WEATHER.........MOSTLY CLOUDY (75-85 PERCENT). PATCHY FOG EARLY  
IN THE MORNING. A CHANCE OF SHOWERS IN THE  
MORNING...THEN SHOWERS LIKELY AND A SLIGHT  
CHANCE OF THUNDERSTORMS IN THE AFTERNOON.  
MAX TEMPERATURE.....AROUND 65.  
MIN HUMIDITY........71 PERCENT.  
WIND (20 FT)........EAST WINDS 5 TO 7 MPH. GUSTY AND ERRATIC WINDS  
EXPECTED NEAR THUNDERSTORMS IN THE AFTERNOON.  
MIXING HEIGHT.......300-2100 FT AGL...INCREASING TO 2300-2600 FT  
AGL IN THE AFTERNOON.  
TRANSPORT WINDS.....SOUTHEAST 7 TO 16 MPH...BECOMING SOUTH 15 TO 17  
MPH IN THE AFTERNOON.  
SMOKE DISPERSAL.....POOR TO GOOD (2200-38900 KNOT-FT).  
LVORI...............4.  
ADI.................9...INCREASING TO 36.  
STABILITY CLASS.....4.  
PCPN AMOUNT.........0.14 INCHES.  
CEILING (FT)........1700...DECREASING TO 1000 EARLY IN THE  
MORNING.  
VISIBILITY (SM).....6...DECREASING TO 4 EARLY IN THE MORNING.  
SFC PRESSURE (IN)...28.28.  
 
TIME (EDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM  
SKY (%).........75 81 77 82 85 89 89 89 88 87 88 88  
WEATHER COV.....PTY PTY SCH SCH CHC CHC CHC CHC LKY LKY LKY LKY  
WEATHER TYPE....FOG FOG RW RW RW RW RW RW RW RW RW RW  
TSTM COV........ SCH SCH SCH SCH SCH  
TEMP............55 55 56 58 60 61 62 63 64 65 65 65  
DEWPOINT........52 52 53 53 54 55 55 55 55 55 55 55  
RH..............88 88 89 85 82 81 77 75 72 71 71 72  
20 FT WIND DIR..E E E E E E E E E E E E  
20 FT WIND SPD..4 4 4 5 5 6 5 5 5 5 6 6  
20 FT WIND GUST.10 10 5 10 10 10 10 10 10 10 10 10  
MIX HGT (KFT)...0.3 0.4 0.5 0.9 1.4 1.8 2.1 2.3 2.6 2.6 2.6 2.6  
TRANSP WIND DIR.E E E E SE S S S S S S S  
TRANSP WIND SPD.8 7 8 10 14 16 17 17 17 16 16 15  
LVORI...........5 5 5 4 3 3 3 3 3 3 3 3  
ADI.............5 8 9 13 22 30 35 37 38 37 35 33  
VRATE KT-FT/10002 3 3 9 17 26 32 36 39 38 36 33  
CEILING (HFT)...17 19 10 10 10 10 10 10 3.0 10 10 10  
VISIBILITY (SM).6 4  
SFC PRES (IN)...835 835 835 837 838 840 839 837 836 833 830 828  
 

 
FORECASTER...KRENTZ  
REQUESTED BY...WES BENTLEY  
TYPE OF REQUEST...PRESCRIBED  
.TAG 1705420.0/GSP  
 
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