654  
FNUS72 KMFL 202051  
FWSMFL  
 
SPOT FORECAST FOR PSSF RX BURN...FLORIDA FOREST SERVICE  
NATIONAL WEATHER SERVICE MIAMI FL  
351 PM EST SUN JAN 20 2019  
 
FORECAST IS BASED ON IGNITION TIME OF 0700 EST ON JANUARY 21.  
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
 
 
GUSTY WESTERLY WINDS WILL DECREASE TO AROUND 10 MPH AND SHIFT NE  
TOMORROW. RELATIVE HUMIDITY VALUES ARE FORECAST TO DROP BELOW CRITICAL  
THRESHOLD ACROSS WESTERN SECTIONS OF SOUTH FLORIDA ON MARTIN LUTHER  
KING JUNIOR DAY.  
 
FOG DEVELOPMENT IS NOT EXPECTED AT THIS TIME.  
 
   
MARTIN LUTHER KING JR DAY
 
 
SKY/WEATHER.........SUNNY (0-10 PERCENT).  
MAX TEMPERATURE.....AROUND 69.  
MIN HUMIDITY........36 PERCENT.  
WIND (20 FT)........NORTHEAST WINDS 5 TO 8 MPH.  
CHANCE OF PCPN......0 PERCENT.  
LAL.................NO TSTMS.  
MIXING HEIGHT.......300-2000 FT AGL...INCREASING TO 2200-3100 FT  
AGL IN THE AFTERNOON.  
TRANSPORT WINDS.....NORTHEAST 6 TO 9 MPH.  
DISPERSION INDEX....9...INCREASING TO 25.  
LVORI...............3.  
 
TIME (EST) 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM  
SKY (%).........0 0 0 0 0 0 0 0 0 5 5  
WEATHER COV.....  
WEATHER TYPE....  
TSTM COV........  
TEMP............40 42 50 58 63 67 68 69 69 69 67  
RH..............82 78 59 44 38 36 36 36 38 41 45  
20 FT WIND DIR..N N NE NE NE NE NE NE NE NE NE  
20 FT WIND DIR..010 020 030 040 040 040 040 040 040 040 040  
20 FT WIND SPD..5 6 7 8 8 7 7 7 8 8 8  
20 FT WIND GUST.6 7 8 10 10 10 8 10 10 11 10  
MIX HGT (KFT)...0.3 0.7 1.1 1.5 2.0 2.5 2.9 3.0 3.1 3.1 2.2  
TRANSP WIND DIR.N N NE NE NE NE NE NE NE NE NE  
TRANSP WIND SPD.6 7 7 8 8 8 8 8 8 9 8  
DISPERSION IDX..6 7 11 16 20 23 26 27 28 28 22  
LVORI...........4 4 2 2 2 2 2 2 2 2 2  
CHC OF PCPN (%).0 0 0 0 0 0 0 0 0 0 0  
LAL.............1 1 1 1 1 1 1 1 1 1 1  
   
MONDAY NIGHT
 
 
SKY/WEATHER.........MOSTLY CLEAR (15-25 PERCENT).  
MIN TEMPERATURE.....AROUND 51.  
MAX HUMIDITY........100 PERCENT.  
WIND (20 FT)........NORTHEAST WINDS 5 TO 7 MPH.  
CHANCE OF PCPN......0 PERCENT.  
LAL.................NO TSTMS.  
MIXING HEIGHT.......300-1200 FT AGL.  
TRANSPORT WINDS.....NORTHEAST 6 TO 8 MPH.  
DISPERSION INDEX....8.  
LVORI...............5.  
 
TIME (EST) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM  
SKY (%).........5 12 12 12 29 29 29 30 30 30 34 34  
WEATHER COV.....  
WEATHER TYPE....  
TSTM COV........  
TEMP............64 60 59 58 56 56 55 54 54 53 53 53  
RH..............54 64 69 72 77 79 83 87 88 90 92 95  
20 FT WIND DIR..NE NE NE NE NE NE NE NE NE NE NE NE  
20 FT WIND DIR..040 040 040 040 040 040 040 040 040 050 050 050  
20 FT WIND SPD..7 6 6 7 7 7 6 6 6 5 5 5  
20 FT WIND GUST.8 7 7 8 8 8 7 7 6 6 6  
MIX HGT (KFT)...1.2 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3  
TRANSP WIND DIR.NE NE NE NE NE NE NE NE NE NE NE NE  
TRANSP WIND SPD.7 7 7 8 8 8 7 7 7 7 6 6  
DISPERSION IDX..12 4 4 5 5 5 4 4 4 3 3 3  
LVORI...........2 3 3 3 4 4 5 5 6 6 7 8  
CHC OF PCPN (%).0 0 0 0 0 0 0 0 0 0 0 0  
LAL.............1 1 1 1 1 1 1 1 1 1 1 1  
   
TUESDAY
 
 
SKY/WEATHER.........MOSTLY SUNNY (35-45 PERCENT).  
MAX TEMPERATURE.....AROUND 75.  
MIN HUMIDITY........54 PERCENT.  
WIND (20 FT)........EAST WINDS 5 TO 13 MPH.  
CHANCE OF PCPN......0 PERCENT.  
LAL.................NO TSTMS.  
MIXING HEIGHT.......300-1700 FT AGL...INCREASING TO 3100-4400 FT  
AGL.  
TRANSPORT WINDS.....EAST 6 TO 15 MPH.  
DISPERSION INDEX....7...INCREASING TO 23 LATE IN THE  
MORNING,...THEN INCREASING TO 38 AROUND  
NOON...INCREASING TO 43 LATE IN THE  
AFTERNOON...DECREASING TO 33.  
LVORI...............5.  
 
TIME (EST) 6 AM 8 AM 10 AM NOON 2 PM 4 PM  
SKY (%).........34 35 43 43 48 50  
WEATHER COV.....  
WEATHER TYPE....NONE NONE NONE NONE NONE NONE  
TSTM COV........  
TEMP............53 52 66 73 75 75  
RH..............97 100 71 56 54 54  
20 FT WIND DIR..NE E E E E E  
20 FT WIND DIR..060 070 090 100 100 100  
20 FT WIND SPD..5 7 10 13 13 13  
20 FT WIND GUST.6 10 13 14 16 16  
MIX HGT (FT)....300 1000 2300 3700 4400 4400  
TRANSPORT WIND..NE 6 E 9 E 15 E 15 E 15 E 15  
DISPERSION IDX..3 10 33 39 43 42  
LVORI...........8 8 3 1 1 1  
CHC OF PCPN (%).0 0 0 0 0 0  
LAL.............1 1 1 1 1 1  
 

 
FORECASTER...REYNES  
REQUESTED BY...MICHAEL JOEL  
TYPE OF REQUEST...PRESCRIBED  
.TAG 1900424.0/MFL  
 
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