878  
FNUS72 KMLB 220812  
FWSMLB  
 
SPOT FORECAST FOR RIVER ROAD RX...FFS  
NATIONAL WEATHER SERVICE MELBOURNE FL  
312 AM EST FRI NOV 22 2024  
 
FORECAST IS BASED ON IGNITION TIME OF 0800 EST ON NOVEMBER 22.  
IF CONDITIONS BECOME UNREPRESENTATIVE, CONTACT THE NATIONAL WEATHER  
SERVICE.  
   
DISCUSSION
 
 
SENSITIVE FIRE WEATHER CONDITIONS WILL EXIST TODAY. THE STORMS  
PREDICTION CENTER HAS PLACED AN ELEVATED FIRE WEATHER RISK ACROSS  
THE AREA FOR TODAY. A REINFORCING COLD FRONT EARLY TODAY WILL PRODUCE  
A TIGHT PRESSURE GRADIENT WITH NORTHWEST WINDS OF 8 TO 12 MPH RESULTING.  
FREQUENT HIGHER GUSTS TO AROUND 22 MPH WILL BE LIKELY. MINIMUM RELATIVE  
HUMIDITY VALUES IN THE LOW 30S. COOL AND DRIER CONDITIONS WILL EXIST  
AGAIN TONIGHT. WINDS WILL BE LIGHTER ON SATURDAY, BUT CONDITIONS WILL  
REMAIN DRY WITH LOW RELATIVE HUMIDITY CONTINUING.  
   
REST OF TODAY
 
 
SKY/WEATHER.........SUNNY (0-5 PERCENT).  
CHANCE OF PCPN......0 PERCENT.  
LAL.................NO TSTMS.  
MAX TEMPERATURE.....AROUND 65.  
MIN HUMIDITY........31 PERCENT.  
WIND (20 FT)........NORTHWEST WINDS 6 TO 12 MPH. GUSTS UP TO 22 MPH.  
MIXING HEIGHT.......2500 FT AGL INCREASING TO 3800 FT AGL LATE IN  
THE MORNING, THEN DECREASING TO 1100 FT AGL  
LATE IN THE AFTERNOON.  
TRANSPORT WINDS.....NORTHWEST 14 TO 22 MPH.  
DISPERSION INDEX....INCREASING TO AROUND 83.  
LVORI...............2 TO 1.  
 
TIME (EST) 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM  
SKY (%).........0 1 1 3 2 3 3 3 2 2  
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............45 52 55 59 62 63 64 65 63 61  
RH..............63 48 43 36 32 31 31 31 35 38  
20 FT WIND DIR..NW NW NW NW W NW NW NW NW NW  
20 FT WIND SPD..6 6 7 8 9 9 9 8 7 6  
20 FT WIND GUST.16 17 18 20 21 21 22 21 20 17  
MIX HGT (KFT)...0.8 2.0 2.5 2.8 3.4 3.6 3.6 3.8 3.4 1.1  
TRANSP WIND DIR.NW NW NW NW NW NW NW NW NW NW  
TRANSP WIND SPD.14 18 20 20 21 22 21 18 16 12  
DISPERSION IDX..15 46 57 64 77 83 81 77 67 20  
LVORI...........2 1 1 1 1 1 1 1 1 2  
   
TONIGHT
 
 
SKY/WEATHER.........CLEAR (0-10 PERCENT).  
CHANCE OF PCPN......0 PERCENT.  
LAL.................NO TSTMS.  
MIN TEMPERATURE.....AROUND 39.  
MAX HUMIDITY........82 PERCENT.  
WIND (20 FT)........NORTHWEST WINDS AROUND 5 MPH, WITH SOME HIGHER  
GUSTS EARLY IN THE EVENING, BECOMING LIGHT.  
MIXING HEIGHT.......400 FT AGL.  
TRANSPORT WINDS.....NORTHWEST 8 TO 12 MPH.  
DISPERSION INDEX....6.  
LVORI...............3 INCREASING TO 4 AFTER 3 AM.  
 
TIME (EST) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM  
SKY (%).........5 6 3 3 2 4 2 1 3 3 2 1  
WEATHER COV.....  
WEATHER TYPE....  
TSTM COV........  
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  
TEMP............59 54 51 50 48 47 45 44 43 41 41 41  
RH..............40 50 54 56 60 63 68 70 70 76 76 76  
20 FT WIND DIR..NW NW NW NW NW NW NW NW NW NW NW NW  
20 FT WIND SPD..5 2 2 2 2 2 2 2 2 2 2 2  
20 FT WIND GUST.15 13 12 12 12 10 10 9 9 10 10 10  
MIX HGT (KFT)...0.5 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4  
TRANSP WIND DIR.NW NW N N NW N NW NW NW NW NW NW  
TRANSP WIND SPD.12 10 10 10 10 10 8 9 9 9 9 9  
DISPERSION IDX..8 5 5 5 5 5 4 4 5 4 4 4  
LVORI...........2 2 2 3 3 3 3 3 3 4 4 4  
   
SATURDAY
 
 
SKY/WEATHER.........SUNNY (0-5 PERCENT).  
CHANCE OF PCPN......0 PERCENT.  
LAL.................NO TSTMS.  
MAX TEMPERATURE.....AROUND 67.  
MIN HUMIDITY........36 PERCENT.  
WIND (20 FT)........LIGHT WINDS BECOMING NORTHWEST 5 TO 7 MPH  
EARLY IN THE AFTERNOON, THEN BECOMING LIGHT  
LATE IN THE AFTERNOON.  
MIXING HEIGHT.......2300 FT AGL INCREASING TO 3100 FT AGL LATE IN  
THE MORNING.  
TRANSPORT WINDS.....NORTHWEST 7 TO 12 MPH.  
DISPERSION INDEX....INCREASING TO AROUND 40.  
LVORI...............4 DECREASING TO 1.  
 
TIME (EST) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM  
SKY (%).........1 1 0 1 0 1 2 3 3 2 2 3  
WEATHER COV.....  
WEATHER TYPE....  
TSTM COV........  
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  
TEMP............39 39 43 51 55 58 61 64 65 65 66 63  
RH..............82 82 73 56 49 44 40 37 36 36 36 41  
20 FT WIND DIR..W W NW NW NW NW NW NW NW NW NW NW  
20 FT WIND SPD..2 2 2 2 3 3 5 5 5 5 3 2  
20 FT WIND GUST.9 9 9 10 12 12 12 12 10 10 9 8  
MIX HGT (KFT)...0.4 0.4 1.0 1.6 2.3 2.5 2.8 3.0 3.1 3.1 3.1 2.2  
TRANSP WIND DIR.NW NW NW NW NW NW NW NW NW NW NW NW  
TRANSP WIND SPD.8 8 9 10 12 12 12 10 9 9 8 7  
DISPERSION IDX..4 5 13 23 33 36 40 40 37 36 33 21  
LVORI...........4 4 3 2 1 1 1 1 1 1 1 2  
 

 
FORECASTER...SEDLOCK  
REQUESTED BY...COLIN BOGERT  
TYPE OF REQUEST...PRESCRIBED  
.TAG 2427172.0/MLB  
.DELDT 11/22/24  
.FORMATTERVERSION 2.0.0  
.EMAIL COLIN.BOGERT@FDACS.GOV  
 
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