020  
FNUS72 KMLB 231322  
FWSMLB  
 
SPOT FORECAST FOR LAKE PROCTOR WILDERNESS AREA...SEMINOLE COUNTY  
NATIONAL WEATHER SERVICE MELBOURNE FL  
822 AM EST FRI FEB 23 2018  
 
FORECAST IS BASED ON IGNITION TIME OF 0900 EST ON FEBRUARY 23.  
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER  
SERVICE.  
   
DISCUSSION
 
HIGH PRESSURE OVER THE WEST ATLANTIC WILL CONTINUE TO  
PRODUCE AN EAST-SOUTHEAST WIND FLOW OVER THE AREA TODAY. WIND DIRECTION  
AT THE SURFACE WILL RANGE FROM THE EAST-SOUTHEAST (AROUND 100 TO 130  
DEGREES) THROUGH EARLY AFTERNOON, BECOMING MORE EASTERLY (AROUND 90-110  
DEGREES) WITH SPEEDS INCREASING TO AROUND 10 MPH IN THE MID TO LATE  
AFTERNOON AS EAST COAST SEA BREEZE MOVES THROUGH. TRANSPORT WINDS WILL  
GENERALLY BE OUT OF THE SOUTHEAST UP TO 10 TO 17 MPH, LEADING TO VERY  
GOOD DISPERSION VALUES. ISOLATED SHOWERS WILL BE POSSIBLE, MAINLY DURING  
THE LATE MORNING AND EARLY AFTERNOON, BUT THUNDERSTORMS ARE NOT EXPECTED.  
   
TODAY
 
 
SKY/WEATHER.........MOSTLY SUNNY (35-45 PERCENT). SLIGHT CHANCE OF  
SHOWERS.  
CHANCE OF PCPN......LESS THAN 20 PERCENT.  
LAL.................NO TSTMS.  
MAX TEMPERATURE.....AROUND 83.  
MIN HUMIDITY........53 PERCENT.  
WIND (20 FT)........LIGHT WINDS BECOMING EAST TO EAST-SOUTHEAST 6 TO  
10 MPH WITH SOME HIGHER GUSTS IN THE LATE MORNING  
AND AFTERNOON.  
MIXING HEIGHT.......300-600 FT AGL INCREASING TO 3600-4400 FT AGL  
LATE IN THE MORNING AND AFTERNOON.  
TRANSPORT WINDS.....EAST TO SOUTHEAST 10 MPH TO 17 MPH.  
DISPERSION INDEX....19 INCREASING TO AS HIGH AS 71.  
LVORI...............3 DECREASING TO 1.  
 
TIME (EST) 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM  
SKY (%).........43 53 53 53 47 47 47 47 47  
WEATHER COV.....SCH SCH SCH SCH SCH SCH SCH SCH SCH  
WEATHER TYPE....RW RW RW RW RW RW RW RW RW  
TSTM COV........  
CHC OF PCPN (%).20 20 20 20 20 20 20 20 20  
LAL.............1 1 1 1 1 1 1 1 1  
TEMP............73 76 78 80 82 83 82 81 78  
RH..............76 71 67 60 55 53 55 56 62  
20 FT WIND DIR..E SE SE SE SE SE E E E  
20 FT WIND SPD..6 7 8 8 9 9 10 10 9  
20 FT WIND GUST. 10 10 10 10 15 15 10  
MIX HGT (KFT)...1.4 2.0 2.8 3.6 4.4 4.4 4.3 4.3 3.1  
TRANSP WIND DIR.E SE SE SE SE SE SE SE SE  
TRANSP WIND SPD.10 15 16 17 17 17 16 15 13  
DISPERSION IDX..19 37 49 60 71 67 63 58 40  
LVORI...........3 3 1 1 1 1 1 1 1  
   
TONIGHT
 
 
SKY/WEATHER.........PARTLY CLOUDY (30-40 PERCENT). SLIGHT CHANCE OF  
SHOWERS VERY EARLY IN THE EVENING.  
CHANCE OF PCPN......LESS THAN 20 PERCENT.  
LAL.................NO TSTMS.  
MIN TEMPERATURE.....AROUND 64.  
MAX HUMIDITY........97 PERCENT.  
WIND (20 FT)........EAST TO EAST-SOUTHEAST WINDS 5 TO 8 MPH EARLY IN  
THE EVENING BECOMING LIGHT.  
MIXING HEIGHT.......300-600 FT AGL.  
TRANSPORT WINDS.....EAST-SOUTHEAST 2 TO 10 MPH.  
DISPERSION INDEX....22 DECREASING TO 1.  
LVORI...............3 INCREASING TO 9.  
 
TIME (EST) 6 PM 8 PM 10 PM MIDNGT 2 AM 4 AM  
SKY (%).........47 21 21 21 33 33  
WEATHER COV.....S CHC  
WEATHER TYPE....RNSHWR NONE NONE NONE NONE NONE  
TSTM COV........  
CHC OF PCPN (%).20 10 10 10 10 10  
LAL.............1 1 1 1 1 1  
TEMP............75 71 69 68 67 65  
RH..............71 81 87 90 90 97  
20 FT WIND......E 8 E 6 E 3 SE 2 SE 1 E 1  
20 FT WIND GUST.10 5  
MIX HGT (FT)....1900 600 300 300 300 300  
TRANSPORT WIND..E 10 E 7 E 6 E 3 E 2 E 2  
DISPERSION IDX..22 3 3 2 1 1  
LVORI...........3 5 6 6 7 8  
   
SATURDAY
 
 
SKY/WEATHER.........MOSTLY SUNNY (35-45 PERCENT). SLIGHT CHANCE OF  
SHOWERS LATE IN THE MORNING AND AFTERNOON.  
CHANCE OF PCPN......LESS THAN 20 PERCENT.  
LAL.................NO TSTMS.  
MAX TEMPERATURE.....AROUND 86.  
MIN HUMIDITY........50 PERCENT.  
WIND (20 FT)........LIGHT WINDS BECOMING SOUTHEAST 5 TO 9 MPH IN  
THE LATE MORNING AND AFTERNOON WITH A FEW HIGHER  
GUSTS.  
MIXING HEIGHT.......300-600 FT AGL INCREASING TO 4300-4700 FT AGL.  
TRANSPORT WINDS.....SOUTHEAST 1 TO 7 MPH INCREASING TO 10 TO 16 MPH  
IN THE LATE MORNING AND AFTERNOON.  
DISPERSION INDEX....64.  
LVORI...............9 DECREASING TO 1.  
 
TIME (EST) 6 AM 9 AM NOON 3 PM  
SKY (%).........33 37 37 48  
WEATHER COV..... S CHC S CHC  
WEATHER TYPE....NONE NONE RNSHWR RNSHWR  
TSTM COV........  
CHC OF PCPN (%).10 20 20 20  
LAL.............1 1 1 1  
TEMP............64 73 81 83  
RH..............97 75 56 50  
20 FT WIND......SE 2 SE 5 SE 8G10 SE 9G10  
MIX HGT (FT)....300 2400 4300 4700  
TRANSPORT WIND..E 1 SE 13 S 13 SE 10  
DISPERSION IDX..1 38 64 57  
LVORI...........9 3 1 1  
 

 
FORECASTER...SEDLOCK  
REQUESTED BY...SHERRY WILLIAMS  
TYPE OF REQUEST...PRESCRIBED  
.TAG 1802419.0/MLB  
.EMAIL SWILLIAMS02@SEMINOLECOUNTYFL.GOV  
 
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