776  
FNUS72 KMFL 181252  
FWSMFL  
 
SPOT FORECAST FOR FL-EVP-PI_RX...EVERGLADES NATIONAL PARK  
NATIONAL WEATHER SERVICE MIAMI FL  
852 AM EDT THU OCT 18 2018  
 
FORECAST IS BASED ON IGNITION TIME OF 0900 EDT ON OCTOBER 18.  
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER  
SERVICE.  
 
PLEASE CONTACT OUR OFFICE AT (305) 229-4522, IF YOU HAVE QUESTIONS  
OR CONCERNS WITH THIS FORECAST.  
   
DISCUSSION
 
 
AN AREA OF HIGH PRESSURE WILL CONTINUE TO DOMINATE THE WEATHER  
ACROSS THE AREA TODAY. THIS AREA OF HIGH PRESSURE WILL ALLOW FOR A  
BREEZY EASTERLY FLOW TO CONTINUE AS WELL. THERE IS ONLY A SLIGHT  
CHANCE FOR SHOWERS THROUGHOUT THE DAY. MINIMUM RELATIVE HUMIDITY  
VALUES WILL REMAIN ABOVE CRITICAL LEVELS THROUGHOUT THE FORECAST  
PERIOD.  
   
REST OF TODAY
 
 
SKY/WEATHER.........MOSTLY SUNNY (35-45 PERCENT).  
MAX TEMPERATURE.....AROUND 90.  
MIN HUMIDITY........60 PERCENT.  
WIND (20 FT)........EAST WINDS 6 TO 12 MPH.  
CHANCE OF PCPN......10 PERCENT.  
LAL.................NO TSTMS.  
MIXING HEIGHT.......1300-3000 FT AGL...INCREASING TO 3400-4000 FT  
AGL IN THE AFTERNOON.  
TRANSPORT WINDS.....EAST 10 TO 18 MPH...INCREASING TO 20 TO 21 MPH  
IN THE AFTERNOON.  
DISPERSION INDEX....19...INCREASING TO 60.  
LVORI...............2.  
 
TIME (EDT) 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM  
SKY (%).........32 32 40 40 40 34 34 34 44  
WEATHER COV.....  
WEATHER TYPE....  
TSTM COV........  
TEMP............81 84 86 87 89 90 88 88 87  
RH..............85 77 71 66 61 60 62 63 63  
20 FT WIND DIR..E E E E E E E E E  
20 FT WIND DIR..080 090 090 090 090 090 090 090 090  
20 FT WIND SPD..6 8 9 10 12 12 12 12 12  
20 FT WIND GUST.7 11 12 13 14 14 14 14 14  
MIX HGT (KFT)...1.3 2.2 3.0 3.4 3.7 4.0 3.8 3.6 3.4  
TRANSP WIND DIR.E E E E E E E E E  
TRANSP WIND SPD.10 15 18 20 20 20 21 21 20  
DISPERSION IDX..19 40 57 63 60 57 57 62 61  
LVORI...........3 3 3 1 1 1 1 1 1  
CHC OF PCPN (%).10 10 10 10 10 10 10 10 10  
LAL.............1 1 1 1 1 1 1 1 1  
   
TONIGHT
 
 
SKY/WEATHER.........PARTLY CLOUDY (35-45 PERCENT).  
MIN TEMPERATURE.....AROUND 75.  
MAX HUMIDITY........92 PERCENT.  
WIND (20 FT)........EAST WINDS 5 TO 10 MPH.  
CHANCE OF PCPN......10 PERCENT.  
LAL.................NO TSTMS.  
MIXING HEIGHT.......1400-2400 FT AGL...DECREASING TO 300-400 FT AGL  
UNTIL JUST AFTER MIDNIGHT.  
TRANSPORT WINDS.....EAST 7 TO 16 MPH...DECREASING TO AROUND 6 MPH  
EARLY IN THE MORNING.  
DISPERSION INDEX....43...DECREASING TO 5.  
LVORI...............4.  
 
TIME (EDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM  
SKY (%).........44 44 36 36 36 48 48 48 38 38 38 36  
WEATHER COV.....  
WEATHER TYPE....  
TSTM COV........  
TEMP............86 83 81 80 80 80 79 78 77 77 76 76  
RH..............67 75 80 81 82 83 83 85 86 88 89 89  
20 FT WIND DIR..E E E E E E E E E E E E  
20 FT WIND DIR..080 080 080 080 080 080 080 080 080 080 080 080  
20 FT WIND SPD..10 8 7 7 7 7 6 6 5 5 5 5  
20 FT WIND GUST.13 11 8 10 8 8 7 6 6 6 6  
MIX HGT (KFT)...2.4 1.4 0.4 0.4 0.4 0.3 0.3 0.3 0.3 0.3 0.3 0.3  
TRANSP WIND DIR.E E E E E E E E E E E E  
TRANSP WIND SPD.16 12 8 7 7 8 7 7 6 6 6 6  
DISPERSION IDX..43 21 6 5 5 7 6 6 4 4 4 3  
LVORI...........2 3 4 4 4 4 4 4 5 5 5 5  
CHC OF PCPN (%).10 10 10 10 10 10 10 10 10 10 10 10  
LAL.............1 1 1 1 1 1 1 1 1 1 1 1  
   
FRIDAY
 
 
SKY/WEATHER.........MOSTLY SUNNY (30-40 PERCENT).  
MAX TEMPERATURE.....AROUND 89.  
MIN HUMIDITY........57 PERCENT.  
WIND (20 FT)........EAST WINDS 5 TO 12 MPH.  
CHANCE OF PCPN......10 PERCENT.  
LAL.................NO TSTMS.  
MIXING HEIGHT.......300-1300 FT AGL...INCREASING TO 2300-3700 FT  
AGL IN THE LATE MORNING AND AFTERNOON.  
TRANSPORT WINDS.....EAST 5 TO 10 MPH...INCREASING TO 15 TO 20 MPH  
IN THE LATE MORNING AND AFTERNOON.  
DISPERSION INDEX....5...INCREASING TO 17 LATE IN THE  
MORNING,...THEN INCREASING TO 41...INCREASING  
TO 56 EARLY...DECREASING TO 49.  
LVORI...............4.  
 
TIME (EDT) 6 AM 8 AM 10 AM NOON 2 PM 4 PM  
SKY (%).........36 39 39 39 35 35  
WEATHER COV.....  
WEATHER TYPE....NONE NONE NONE NONE NONE NONE  
TSTM COV........  
TEMP............75 76 84 88 89 86  
RH..............91 90 69 61 57 62  
20 FT WIND DIR..E E E E E E  
20 FT WIND DIR..080 080 090 090 090 090  
20 FT WIND SPD..5 5 9 12 12 12  
20 FT WIND GUST.6 6 11 14 14 14  
MIX HGT (FT)....300 300 2300 3400 3700 3300  
TRANSPORT WIND..E 5 E 6 E 15 E 20 E 17 E 18  
DISPERSION IDX..3 7 41 55 48 49  
LVORI...........6 5 2 1 1 1  
CHC OF PCPN (%).10 10 10 10 10 10  
LAL.............1 1 1 1 1 1  
 

 
FORECASTER...CARACOZZA  
REQUESTED BY...GONZALEZ,J  
TYPE OF REQUEST...PRESCRIBED  
.TAG 1817042.0/MFL  
 
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