678  
FNUS71 KGYX 151959 CCA  
FWSGYX  
 
SPOT FORECAST FOR SUGAR HILL...USFS  
NATIONAL WEATHER SERVICE GRAY ME  
357 PM EDT TUE SEP 15 2020  
 
FORECAST IS BASED ON FORECAST START TIME OF 1300 EDT ON SEPTEMBER 15.  
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER  
SERVICE.  
 
PLEASE CONTACT OUR OFFICE AT (207) 688-3224, IF YOU HAVE QUESTIONS  
OR CONCERNS WITH THIS FORECAST.  
   
DISCUSSION
 
 
WINDS INCREASE ON WEDNESDAY OUT OF THE SOUTHWEST AND COULD BECOME  
GUSTY. RELATIVE HUMIDITY REMAINS LOW THROUGH THE AFTERNOON BEFORE  
HIGHER HUMIDITY MOVES IN FOR THE EVENING. A COLD FRONT COMES IN  
FROM THE NORTHWEST ON THURSDAY MORNING, SHIFTING WIND TO THE  
NORTHWEST WITH LIGHTER WINDS AND MORE DRY AIR.  
   
REST OF TODAY
 
 
SKY/WEATHER.........SUNNY (5-15 PERCENT).  
CWR.................0 PERCENT.  
LAL.................NO TSTMS.  
MAX TEMPERATURE.....AROUND 63.  
MIN HUMIDITY........38 PERCENT.  
DEWPOINT............38.  
MAX APPARENT TEMP...63.  
WIND (20 FT)........LIGHT WINDS BECOMING WEST AROUND 5 MPH LATE IN  
THE AFTERNOON.  
MIXING HEIGHT.......3800-4400 FT AGL.  
TRANSPORT WINDS.....WEST 8 TO 9 MPH.  
SMOKE DISPERSAL.....FAIR TO GOOD (29800-34000 KNOT-FT).  
LVORI...............1.  
ADI.................35.  
HAINES INDEX........4 LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE  
GROWTH.  
CEILING (KFT).......11 INCREASING TO 25 LATE IN THE AFTERNOON, THEN  
DECREASING TO 15 LATE IN THE AFTERNOON.  
 
TIME (EDT) 1PM 2PM 3PM 4PM 5PM  
SKY (%).........11 11 11 11 11  
WEATHER COV.....  
WEATHER TYPE....  
TSTM COV........NO NO NO NO NO  
CWR.............0 0 0 0 0  
LAL.............1 1 1 1 1  
TEMP............60 62 63 63 62  
DEWPOINT........40 39 38 37 36  
RH..............47 43 39 38 38  
APARNT TMP (F)..60 62 63 63 62  
20 FT WIND DIR..W SW SW SW W  
20 FT WIND SPD..2 4 4 4 5  
20 FT WIND GUST.4 6 7 7 7  
MIX HGT (KFT)...4.3 4.4 4.3 4.1 3.8  
TRANSP WIND DIR.W W W W W  
TRANSP WIND SPD.8 8 9 9 9  
LVORI...........1 1 1 1 1  
ADI.............36 31 31 39 33  
HAINES INDEX....4 4 4 4 4  
VRATE KT-FT/100030 31 34 33 30  
CEILING (KFT)...11 11 25 16 15  
   
TONIGHT
 
 
SKY/WEATHER.........MOSTLY CLEAR (15-25 PERCENT).  
CWR.................0 PERCENT.  
LAL.................NO TSTMS.  
MIN TEMPERATURE.....AROUND 40.  
MAX HUMIDITY........92 PERCENT.  
DEWPOINT............36.  
MIN APPARENT TEMP...39.  
WIND (20 FT)........LIGHT WINDS.  
MIXING HEIGHT.......500-1700 FT AGL.  
TRANSPORT WINDS.....SOUTHWEST 5 TO 14 MPH.  
SMOKE DISPERSAL.....POOR (2100 KNOT-FT).  
LVORI...............3.  
ADI.................10 DECREASING TO 4 EARLY IN THE EVENING.  
HAINES INDEX........4 TO 5 LOW POTENTIAL FOR LARGE PLUME DOMINATED  
FIRE GROWTH TO MODERATE POTENTIAL FOR LARGE  
PLUME DOMINATED FIRE GROWTH.  
CEILING (KFT).......11 DECREASING TO 8.9 IN THE EVENING, THEN  
DECREASING TO 7.0 LATE IN THE EVENING  
INCREASING TO 18 EARLY IN THE MORNING  
INCREASING TO 20.  
 
TIME (EDT) 6 PM 8 PM 10 PM MIDNGT 2 AM 4 AM  
SKY (%).........25 25 25 16 16 16  
WEATHER COV.....  
WEATHER TYPE....NONE NONE NONE NONE NONE NONE  
TSTM COV........NO NO NO NO NO NO  
CWR.............0 0 0 0 0 0  
LAL.............1 1 1 1 1 1  
TEMP............60 53 49 46 45 43  
DEWPOINT........36 37 37 37 36 37  
RH..............41 54 63 71 70 79  
APARNT TMP (F)..60 53 49 45 44 40  
20 FT WIND......W 4 W 2 SW 2 W 3 W 3 W 4  
20 FT WIND GUST.6 4 4 5 6 6  
MIX HGT (FT)....1700 500 500 600 600 600  
TRANSPORT WIND..W 6 SW 6 SW 7 SW 9 SW 12 SW 13  
LVORI...........2 3 3 3 3 4  
ADI.............14 2 3 4 5 6  
HAINES INDEX....4 4 4 4 5 5  
VRATE KT-FT/10009 2 3 4 6 6  
CEILING (KFT)...11 9.8 8.9 7.0 7.0 20  
   
WEDNESDAY
 
 
SKY/WEATHER.........SUNNY (5-15 PERCENT).  
CWR.................0 PERCENT.  
LAL.................NO TSTMS.  
MAX TEMPERATURE.....AROUND 74.  
MIN HUMIDITY........33 PERCENT.  
DEWPOINT............39 INCREASING TO 42 LATE IN THE AFTERNOON.  
MIN APPARENT TEMP...37.  
WIND (20 FT)........LIGHT WINDS BECOMING SOUTHWEST 5 TO 12 MPH WITH  
GUSTS TO AROUND 20 MPH IN THE LATE MORNING AND  
AFTERNOON.  
MIXING HEIGHT.......500-2200 FT AGL INCREASING TO 1900-2700 FT AGL  
EARLY IN THE AFTERNOON.  
TRANSPORT WINDS.....SOUTHWEST 14 TO 21 MPH.  
SMOKE DISPERSAL.....POOR TO GOOD (5500-48800 KNOT-FT).  
LVORI...............3 UNTIL LATE AFTERNOON.  
ADI.................9 INCREASING TO 41.  
HAINES INDEX........5 MODERATE POTENTIAL FOR LARGE PLUME DOMINATED  
FIRE GROWTH.  
CEILING (KFT).......20 DECREASING TO 18 EARLY IN THE MORNING, THEN  
INCREASING TO 20 IN THE LATE MORNING AND EARLY  
AFTERNOON DECREASING TO 13 LATE IN THE  
AFTERNOON.  
 
TIME (EDT) 6 AM 8 AM 10 AM NOON 2 PM 4 PM  
SKY (%).........13 13 13 8 8 8  
WEATHER COV.....  
WEATHER TYPE....NONE NONE NONE NONE NONE NONE  
TSTM COV........NO NO NO NO NO NO  
CWR.............0 0 0 0 0 0  
LAL.............1 1 1 1 1 1  
TEMP............41 45 58 67 71 74  
DEWPOINT........37 38 39 40 41 43  
RH..............85 76 49 37 34 33  
APARNT TMP (F)..38 43 58 67 71 74  
20 FT WIND......W 4 SW 4 SW 6 SW 8 SW 11 SW 11  
20 FT WIND GUST.6 7 10 14 18 20  
MIX HGT (FT)....500 500 1600 2000 2700 2400  
TRANSPORT WIND..W 14 SW 14 SW 20 SW 18 SW 21 SW 20  
LVORI...........5 4 1 1 M M  
ADI.............6 11 36 45 M M  
HAINES INDEX....5 5 5 5 5 5  
VRATE KT-FT/10006 6 26 32 48 40  
CEILING (KFT)...20 18 20 20 20 14  
 

 
FORECASTER...KIMBLE  
REQUESTED BY...JENNE WALKER  
TYPE OF REQUEST...WILDFIRE  
.TAG 2012646.0/GYX  
.DELDT 09/15/20  
.EMAIL NHNECC@FIRENET.GOV  
 
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