776  
FNUS72 KFFC 171428  
FWSFFC  
 
SPOT FORECAST FOR TEST TEST TEST...NWS  
NATIONAL WEATHER SERVICE PEACHTREE CITY GA  
1028 AM EDT THU MAY 17 2018  
 
FORECAST IS BASED ON FORECAST START TIME OF 1100 EDT ON MAY 17.  
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER  
SERVICE.  
   
DISCUSSION
 
 
TEST...TEST...TEST. GLAD THIS WAS A TEST WITH 70 DEGREE DEWPOINTS!  
   
REST OF TODAY
 
 
SKY/WEATHER.........CLOUDY (90-100 PERCENT). CHANCE OF SHOWERS AND  
SLIGHT CHANCE OF THUNDERSTORMS LATE IN THE  
MORNING, THEN SHOWERS LIKELY AND CHANCE OF  
THUNDERSTORMS IN THE AFTERNOON.  
CWR.................50 PERCENT INCREASING TO 60 PERCENT IN THE  
AFTERNOON.  
LAL.................1-8 STRIKES UNTIL 1200, THEN 9-15 STRIKES.  
MAX TEMPERATURE.....AROUND 72.  
MIN HUMIDITY........74 PERCENT.  
WIND (20 FT)........LIGHT WINDS. GUSTY AND ERRATIC WINDS EXPECTED  
NEAR THUNDERSTORMS LATE IN THE MORNING. GUSTY  
AND ERRATIC WINDS EXPECTED NEAR THUNDERSTORMS  
IN THE AFTERNOON.  
MIXING HEIGHT.......1700-2400 FT AGL.  
TRANSPORT WINDS.....SOUTHEAST 8 TO 9 MPH.  
SMOKE DISPERSAL.....FAIR (13600 KNOT-FT).  
LVORI...............4.  
ADI.................22.  
HAINES INDEX........3 TO 4 OR OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH TO OR LOW POTENTIAL FOR  
LARGE PLUME DOMINATED FIRE GROWTH.  
PCPN AMOUNT.........0.26 INCHES.  
CEILING (KFT).......1.2 INCREASING TO 5.0.  
DISPERSION..........1.  
 
TIME (EDT) 11A 12P 1PM 2PM 3PM 4PM 5PM  
SKY (%).........95 94 92 91 91 90 90  
WEATHER COV.....CHC CHC LKY LKY LKY LKY LKY  
WEATHER TYPE....RW RW RW RW RW RW RW  
TSTM COV........SCH CHC CHC CHC CHC CHC CHC  
CWR.............50 50 60 60 60 60 60  
LAL.............2 3 3 3 3 3 3  
TEMP............66 68 70 71 72 72 72  
RH..............88 84 79 76 74 74 75  
20 FT WIND DIR..E SE SE SE S S S  
20 FT WIND SPD..3 2 2 2 3 3 3  
20 FT WIND GUST.4 4 4 4 5 5 6  
MIX HGT (KFT)...1.7 1.8 2.1 2.2 2.2 2.3 2.4  
TRANSP WIND DIR.SE SE SE SE SE SE SE  
TRANSP WIND SPD.9 9 9 9 8 8 8  
DISPERSION......1 1 1 1 1 1 1  
LVORI...........4 4 3 3 3 3 3  
ADI.............20 21 24 24 22 21 19  
HAINES INDEX....3 3 3 4 4 4 4  
VRATE KT-FT/100014 16 17 17 18 18 16  
CEILING (KFT)...1.2 1.8 2.5 3.0 3.5 4.0 5.0  
   
TONIGHT
 
 
SKY/WEATHER.........MOSTLY CLOUDY (80-90 PERCENT). SHOWERS LIKELY  
AND CHANCE OF THUNDERSTORMS EARLY IN THE  
EVENING, THEN CHANCE OF SHOWERS AND SLIGHT  
CHANCE OF THUNDERSTORMS IN THE LATE EVENING AND  
OVERNIGHT. PATCHY FOG EARLY IN THE MORNING.  
CWR.................60 PERCENT DECREASING TO 30 PERCENT.  
LAL.................9-15 STRIKES UNTIL 2200, THEN 1-8 STRIKES.  
MIN TEMPERATURE.....AROUND 63.  
MAX HUMIDITY........97 PERCENT.  
WIND (20 FT)........LIGHT WINDS BECOMING SOUTHEAST 5 TO 6 MPH IN  
THE LATE EVENING AND OVERNIGHT. GUSTY AND  
ERRATIC WINDS EXPECTED NEAR THUNDERSTORMS.  
MIXING HEIGHT.......200-1800 FT AGL.  
TRANSPORT WINDS.....SOUTH 5 TO 13 MPH.  
SMOKE DISPERSAL.....POOR (0 KNOT-FT).  
LVORI...............5.  
ADI.................16 DECREASING TO 6.  
HAINES INDEX........3 TO 4 OR OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH TO OR LOW POTENTIAL FOR  
LARGE PLUME DOMINATED FIRE GROWTH.  
PCPN AMOUNT.........0.35 INCHES.  
CEILING (KFT).......6.0 DECREASING TO 1.2.  
DISPERSION..........1.  
 
TIME (EDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM  
SKY (%).........91 87 82 83 85 85 84 81 80 81 83 84  
WEATHER COV.....LKY LKY LKY LKY CHC CHC CHC CHC CHC CHC CHC CHC  
WEATHER TYPE....RW RW RW RW RW RW RW RW RW RW RW RW  
TSTM COV........CHC CHC CHC CHC SCH SCH SCH SCH SCH SCH SCH SCH  
CWR.............60 60 60 60 50 50 40 40 30 30 30 30  
LAL.............3 3 3 3 2 2 2 2 2 2 2 2  
TEMP............71 70 69 68 68 67 66 65 65 64 64 63  
RH..............76 77 78 80 82 84 86 89 91 93 95 96  
20 FT WIND DIR..SE SE SE SE SE SE SE SE SE SE SE SE  
20 FT WIND SPD..3 3 3 3 5 5 5 6 6 6 6 6  
20 FT WIND GUST.5 5 6 6 6 6 6 7 7 8 8 10  
MIX HGT (KFT)...1.8 0.7 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2  
TRANSP WIND DIR.SE SE SE S S S S S S S S S  
TRANSP WIND SPD.7 7 6 6 5 5 5 6 7 9 12 13  
DISPERSION......1 1 1 1 1 1 1 1 1 1 1 1  
LVORI...........4 4 4 5 5 5 6 6 6 6 6 6  
ADI.............16 3 3 3 3 3 3 4 5 6 7 8  
HAINES INDEX....4 4 3 3 3 3 3 3 3 3 3 3  
VRATE KT-FT/100011 5 1 0 0 1 1 1 1 2 2 2  
CEILING (KFT)...6.0 6.0 6.0 6.0 6.0 5.0 5.0 3.5 3.0 2.0 1.5 1.2  
   
FRIDAY
 
 
SKY/WEATHER.........MOSTLY CLOUDY (80-90 PERCENT). PATCHY FOG EARLY  
IN THE MORNING. CHANCE OF SHOWERS IN THE  
MORNING. CHANCE OF THUNDERSTORMS THROUGH THE  
DAY. SHOWERS LIKELY IN THE AFTERNOON.  
CWR.................30 PERCENT INCREASING TO 60 PERCENT.  
LAL.................1-8 STRIKES UNTIL 0800, THEN 9-15 STRIKES.  
MAX TEMPERATURE.....AROUND 70.  
MIN HUMIDITY........75 PERCENT.  
WIND (20 FT)........SOUTHEAST WINDS 6 TO 9 MPH. GUSTY AND ERRATIC  
WINDS EXPECTED NEAR THUNDERSTORMS EARLY IN THE  
MORNING. GUSTY AND ERRATIC WINDS EXPECTED NEAR  
THUNDERSTORMS EARLY IN THE MORNING.  
MIXING HEIGHT.......200-1700 FT AGL INCREASING TO 2300-2600 FT AGL  
IN THE AFTERNOON.  
TRANSPORT WINDS.....SOUTH 13 TO 21 MPH.  
SMOKE DISPERSAL.....POOR TO GOOD (1000-47500 KNOT-FT).  
LVORI...............5.  
ADI.................13 INCREASING TO 45.  
HAINES INDEX........3 TO 4 OR OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH TO OR LOW POTENTIAL FOR  
LARGE PLUME DOMINATED FIRE GROWTH.  
PCPN AMOUNT.........0.36 INCHES.  
CEILING (KFT).......0.6 INCREASING TO 0.9 EARLY IN THE MORNING,  
THEN INCREASING TO 1.2 EARLY IN THE MORNING  
INCREASING TO 3.5 LATE IN THE MORNING  
DECREASING TO 1.2 INCREASING TO 1.8 EARLY IN  
THE AFTERNOON INCREASING TO 2.5.  
DISPERSION..........1.  
 
TIME (EDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM  
SKY (%).........85 86 87 85 83 82 83 83 83 83 83 83  
WEATHER COV.....CHC CHC CHC CHC CHC CHC CHC CHC CHC LKY LKY LKY  
WEATHER TYPE....RW RW RW RW RW RW RW RW RW RW RW RW  
TSTM COV........SCH SCH CHC CHC CHC CHC CHC CHC CHC CHC CHC CHC  
CWR.............30 30 30 40 40 40 40 50 50 60 60 60  
LAL.............2 2 3 3 3 3 3 3 3 3 3 3  
TEMP............63 63 64 65 66 68 69 70 70 70 70 70  
RH..............97 96 94 91 87 84 81 79 78 76 75 75  
20 FT WIND DIR..SE SE SE SE SE SE SE S S SE SE SE  
20 FT WIND SPD..6 6 6 6 6 7 7 8 9 9 9 9  
20 FT WIND GUST.8 8 8 8 8 10 10 12 12 13 12 12  
MIX HGT (KFT)...0.2 0.2 0.2 0.5 1.1 1.4 1.7 2.3 2.6 2.6 2.5 2.4  
TRANSP WIND DIR.S S S S S S S S S S S S  
TRANSP WIND SPD.13 13 13 13 13 13 14 16 18 20 21 21  
DISPERSION......1 1 1 1 1 1 1 1 1 1 1 1  
LVORI...........6 5 5 5 4 4 3 3 3 3 3 3  
ADI.............9 14 14 14 17 20 25 34 40 42 43 45  
HAINES INDEX....3 3 3 3 3 3 3 3 4 4 4 3  
VRATE KT-FT/10001 1 2 5 10 16 25 34 41 46 48 44  
CEILING (KFT)...0.6 0.9 1.2 3.5 1.2 1.5 1.8 2.0 2.0 2.0 2.5 2.5  
 

 
FORECASTER...BAKER  
REQUESTED BY...LARA PAGANO  
TYPE OF REQUEST...WILDFIRE  
.TAG 1810221.0/FFC  
.DELDT 05/17/18  
 
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