158  
FNUS72 KGSP 180431  
FWSGSP  
 
SPOT FORECAST FOR LCRD C-212...USDA FS  
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC  
1231 AM EDT THU APR 18 2019  
 
FORECAST IS BASED ON IGNITION TIME OF 0900 EDT ON APRIL 18.  
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER  
SERVICE.  
   
DISCUSSION
 
 
STRONG HIGH PRESSURE AND DRY WEATHER WILL CONTINUE THROUGH  
TONIGHT BEFORE SOUTHERLY FLOW GRADUALLY PERMITS MOISTURE TO RETURN  
TOMORROW. WIDESPREAD SHOWERS AND THUNDERSTORMS WILL DEVELOP FROM THE  
WEST THURSDAY NIGHT INTO FRIDAY AS A STRONG COLD FRONT APPROACHES  
THE REGION. COOLER TEMPERATURES ARRIVE BEHIND THE FRONT FOR THE  
WEEKEND, WITH LINGERING NORTHWEST FLOW MOISTURE ACROSS THE MOUNTAINS  
ON SATURDAY.  
   
TODAY
 
 
SKY/WEATHER.........PARTLY SUNNY (50-60 PERCENT).  
MAX TEMPERATURE.....AROUND 80.  
MIN HUMIDITY........49 PERCENT.  
WIND (20 FT)........LIGHT WINDS BECOMING SOUTH 5 TO 8 MPH IN THE  
LATE MORNING AND AFTERNOON.  
MIXING HEIGHT.......2900 FT AGL INCREASING TO 6100 FT AGL.  
TRANSPORT WINDS.....SOUTH 10 TO 15 MPH INCREASING TO 20 TO 22 MPH  
LATE IN THE MORNING.  
SMOKE DISPERSAL.....FAIR (14200 KNOT-FT) EARLY IN THE MORNING  
INCREASING TO EXCELLENT (67100 KNOT-FT) LATE  
IN THE MORNING.  
LVORI...............2.  
ADI.................28 INCREASING TO 62 LATE IN THE MORNING.  
STABILITY CLASS.....3.  
PCPN AMOUNT.........0.00 INCHES.  
CEILING (FT)........18000 DECREASING TO 10000.  
VISIBILITY (SM).....10.  
SFC PRESSURE (IN)...29.33.  
 
TIME (EDT) 9 AM 11 AM 1 PM 3 PM 5 PM  
SKY (%).........50 53 58 61 64  
WEATHER COV.....  
WEATHER TYPE....NONE NONE NONE NONE NONE  
TSTM COV........  
TEMP............65 72 77 79 80  
DEWPOINT........59 61 61 60 59  
RH..............80 67 58 51 49  
20 FT WIND......S 4 S 6 S 6 S 7 S 7  
20 FT WIND GUST.6 7 10 11 12  
MIX HGT (FT)....1700 4100 5100 5800 6100  
TRANSPORT WIND..S 10 S 20 S 20 S 21 S 21  
LVORI...........3 1 1 1 1  
ADI.............21 53 62 67 69  
VRATE KT-FT/100014 67 88 104 111  
CEILING (HFT)...180 60 70 80 110  
VISIBILITY (SM).10 10 10 10 10  
SFC PRES (IN)...29.49 29.49 29.46 29.40 29.33  
   
TONIGHT
 
 
SKY/WEATHER.........MOSTLY CLOUDY (70-80 PERCENT). A CHANCE OF  
SHOWERS AFTER MIDNIGHT.  
MIN TEMPERATURE.....AROUND 65.  
MAX HUMIDITY........90 PERCENT.  
WIND (20 FT)........SOUTH WINDS 6 TO 12 MPH.  
MIXING HEIGHT.......3900 FT AGL DECREASING TO 1300 FT AGL IN THE  
LATE EVENING AND OVERNIGHT.  
TRANSPORT WINDS.....SOUTH 8 TO 17 MPH DECREASING TO 7 TO 14 MPH IN  
THE LATE EVENING AND OVERNIGHT.  
SMOKE DISPERSAL.....EXCELLENT (84500 KNOT-FT) EARLY IN THE EVENING  
DECREASING TO FAIR (13000 KNOT-FT) IN THE LATE  
EVENING AND OVERNIGHT.  
LVORI...............3.  
ADI.................55 DECREASING TO 12.  
STABILITY CLASS.....4.  
PCPN AMOUNT.........0.22 INCHES.  
CEILING (FT)........12000 DECREASING TO 4000 EARLY IN THE MORNING.  
VISIBILITY (SM).....8.  
SFC PRESSURE (IN)...29.1.  
 
TIME (EDT) 6 PM 9 PM MIDNGT 3 AM  
SKY (%).........61 66 89 92  
WEATHER COV..... S CHC  
WEATHER TYPE....NONE NONE NONE RAIN  
TSTM COV........  
TEMP............79 72 69 67  
DEWPOINT........59 60 61 62  
RH..............50 65 77 83  
20 FT WIND......S 7G11 S 7G11 S 9G13 S 8G13  
MIX HGT (FT)....5700 3900 1800 1900  
TRANSPORT WIND..S 17 S 7 S 10 S 13  
LVORI...........1 3 4 4  
ADI.............55 10 11 14  
VRATE KT-FT/100085 25 15 20  
CEILING (HFT)...120 180 180 160  
VISIBILITY (SM).10 10 10 10  
SFC PRES (IN)...29.32 29.30 29.26 29.18  
   
FRIDAY
 
 
SKY/WEATHER.........CLOUDY (85-95 PERCENT). SHOWERS AND CHANCE OF  
THUNDERSTORMS THROUGH THE DAY. PATCHY FOG EARLY  
IN THE MORNING.  
MAX TEMPERATURE.....AROUND 71.  
MIN HUMIDITY........70 PERCENT.  
WIND (20 FT)........SOUTH WINDS 9 TO 12 MPH. GUSTY AND ERRATIC  
WINDS EXPECTED NEAR THUNDERSTORMS.  
MIXING HEIGHT.......3100 FT AGL INCREASING TO 5300 FT AGL IN THE  
AFTERNOON.  
TRANSPORT WINDS.....SOUTH 14 TO 18 MPH INCREASING TO SOUTHWEST 35  
TO 44 MPH LATE IN THE MORNING.  
SMOKE DISPERSAL.....FAIR (17600 KNOT-FT) EARLY IN THE MORNING  
INCREASING TO EXCELLENT (150500 KNOT-FT) IN  
THE AFTERNOON.  
LVORI...............4.  
ADI.................24 INCREASING TO 131 IN THE AFTERNOON.  
STABILITY CLASS.....4.  
PCPN AMOUNT.........1.21 INCHES.  
CEILING (FT)........3000 DECREASING TO 1700 LATE IN THE  
AFTERNOON.  
VISIBILITY (SM).....6 EARLY IN THE MORNING.  
SFC PRESSURE (IN)...28.92.  
 
TIME (EDT) 6 AM 9 AM NOON 3 PM  
SKY (%).........95 97 96 90  
WEATHER COV.....CHANCE DEFNTE DEFNTE DEFNTE  
WEATHER TYPE....RNSHWR RNSHWR RNSHWR RNSHWR  
TSTM COV........ S CHC CHANCE  
TEMP............66 67 70 70  
DEWPOINT........63 63 63 62  
RH..............89 87 79 76  
20 FT WIND......S 10G16 S 10G14 S 10G16 S 9G14  
MIX HGT (FT)....1400 1700 3100 5100  
TRANSPORT WIND..S 14 S 24 S 41 SW 40  
LVORI...........4 4 3 3  
ADI.............16 43 101 124  
VRATE KT-FT/100018 37 112 178  
CEILING (HFT)...40 40 60 24  
VISIBILITY (SM).7  
SFC PRES (IN)...29.08 29.05 29.02 28.98  
 

 
FORECASTER...JUSTIN LANE  
REQUESTED BY...JAMIE ATKINS  
TYPE OF REQUEST...PRESCRIBED  
.TAG 1906465.0/GSP  
.DELDT 04/18/19  
.FORMATTERVERSION 1.0.26  
 
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