290  
FNUS72 KMLB 270755  
FWSMLB  
 
SPOT FORECAST FOR TOSO FIRE...FL FWC  
NATIONAL WEATHER SERVICE MELBOURNE FL  
355 AM EDT THU APR 27 2017  
 
FORECAST IS BASED ON REQUEST TIME OF 0800 EDT ON APRIL 27.  
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER  
SERVICE.  
   
DISCUSSION
 
 
SOUTH WINDS NEAR 10 MPH THIS MORNING AND EARLY AFTERNOON WILL  
BECOME SOUTHEAST AND INCREASE TO 12 TO 14 MPH WITH OCCASIONAL  
HIGHER GUSTS MID TO LATE AFTERNOON AS THE EAST COAST SEA BREEZE  
MOVES INLAND. SLOWLY INCREASING LOW LEVEL MOISTURE AND THE EAST  
COAST SEA BREEZE ONSET IS EXPECTED TO KEEP LOW RH VALUES FROM  
FALLING BELOW 40 PERCENT NEAR THE BURN PERIMETER THIS AFTERNOON.  
WINDS WILL BECOME SOUTHERLY AND BEGIN TO DIMINISH AFTER SUNSET.  
   
TODAY
 
 
SKY/WEATHER.........SUNNY (10-20 PERCENT).  
CHANCE OF PCPN......0 PERCENT.  
LAL.................NO TSTMS.  
MAX TEMPERATURE.....AROUND 92.  
MIN HUMIDITY........42 PERCENT.  
WIND (20 FT)........LIGHT WINDS BECOMING SOUTH 6 TO 12 MPH IN THE  
LATE MORNING AND EARLY AFTERNOON, AND SOUTHEAST  
10 TO 14 MPH MID TO LATE AFTERNOON.  
MIXING HEIGHT.......300-1500 FT AGL INCREASING TO 3300-5000 FT AGL.  
TRANSPORT WINDS.....SOUTH 2 TO 10 MPH INCREASING TO 12 TO 14 MPH  
LATE IN THE MORNING.  
DISPERSION INDEX....INCREASING TO 67.  
LVORI...............DECREASING TO 1.  
 
TIME (EDT) 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM  
SKY (%).........18 18 18 18 18 18 19 19 19 19  
WEATHER COV.....  
WEATHER TYPE....  
TSTM COV........  
CHC OF PCPN (%).0 0 0 0 0 0 0 0 0 0  
LAL.............1 1 1 1 1 1 1 1 1 1  
TEMP............72 76 81 85 87 90 90 91 91 89  
RH..............83 71 61 53 49 44 43 42 42 44  
20 FT WIND DIR..S S S S S S S SSE SE SE  
20 FT WIND SPD..3 6 9 12 12 10 10 11 12 13  
20 FT WIND GUST.5 10 15  
MIX HGT (KFT)...0.3 1.5 2.6 3.8 4.2 4.6 5.0 4.4 3.9 3.3  
TRANSP WIND DIR.S S S S S S S S S S  
TRANSP WIND SPD.3 7 10 14 14 13 12 12 12 12  
DISPERSION IDX..2 13 35 51 53 51 67 46 44 42  
LVORI...........5 3 1 1 1 1 1 1 1 1  
 

 
FORECASTER...GLITTO  
REQUESTED BY...JASON SLATER  
TYPE OF REQUEST...WILDFIRE  
.TAG 1707091.9/MLB  
.EMAIL JASON.SLATER@MYFWC.COM  
 
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