AFOS product FWSMLB
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Product Timestamp: 2025-06-18 07:06 UTC

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FNUS72 KMLB 180706
FWSMLB

Spot Forecast for Prairie Lakes - Office...FWC
National Weather Service Melbourne FL
306 AM EDT Wed Jun 18 2025

Forecast is based on ignition time of 0800 EDT on June 18. 
If conditions become unrepresentative, contact the National Weather
Service.

.DISCUSSION...

There are no fire weather concerns near the burn site today. 
Minimum RH values remain well above critical thresholds at 45 to 
50 percent. Light southerly winds are forecast this morning, 
becoming more southeasterly this afternoon as the east coast sea 
breeze moves inland and over the burn site, with wind speeds 
remaining around 10 mph. Afternoon smoke dispersion values are 
forecast to be very good. Along the sea breeze, there is a low 
chance (30 percent) for shower and storm development near the burn
site. However, confidence in this does remain low. If any 
activity were to develop, it is forecast to move away from the 
burn site or diminish into the evening hours. There continues to 
be no fire weather concerns on Thursday, with relatively similar 
weather conditions. Afternoon smoke dispersion values become good.

.REST OF TODAY...

Sky/weather.........Mostly sunny (25-35 percent). Slight chance of 
                    showers and thunderstorms early in the 
                    afternoon. Chance of showers and thunderstorms 
                    late in the afternoon. 
Chance of pcpn......30 percent. 
Max temperature.....Around 94. 
Min humidity........46 percent. 
Wind (20 ft)........Southeast winds 5 to 10 mph. Gusty and erratic 
                    winds expected near thunderstorms late in the 
                    afternoon. 
Mixing height.......2200 ft AGL increasing to 6400 ft AGL. 
Transport winds.....South 8 to 9 mph shifting to the east around 10 
                    mph late in the afternoon. 
Dispersion index....12 increasing to 61. 
LVORI...............5 decreasing to 1. 

TIME (EDT)      8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM 
Sky (%).........18  20  28  14  18  25  32  49  42  46  
Weather cov.....                        SCH SCH CHC CHC 
Weather type....                        RW  RW  RW  RW  
Tstm cov........                        SCH SCH CHC CHC 
Chc of pcpn (%).0   0   0   0   10  10  20  20  30  30  
Temp............76  80  85  88  90  92  92  92  93  91  
RH..............93  80  67  60  54  48  46  48  48  53  
20 FT wind dir..SE  S   S   S   S   S   S   SE  SE  E   
20 FT wind spd..5   5   6   7   7   8   8   9   9   10  
20 FT wind gust.7   8   10  12  14  14  15  16  16  17  
Mix hgt (kft)...1.0 2.2 3.4 4.3 4.9 6.2 6.3 6.3 6.4 5.0 
Transp wind dir.S   S   S   S   S   S   SE  S   SE  E   
Transp wind spd.9   9   9   8   8   8   8   8   9   10  
Dispersion idx..12  28  40  41  46  57  58  60  61  59  
LVORI...........5   3   3   1   1   1   1   1   1   1   

.TONIGHT...

Sky/weather.........Partly cloudy (30-40 percent). Chance of 
                    showers and thunderstorms early in the evening, 
                    then slight chance of showers and thunderstorms 
                    early in the evening. 
Chance of pcpn......30 percent. 
Min temperature.....Around 71. 
Max humidity........100 percent. 
Wind (20 ft)........Southeast winds 5 to 10 mph in the evening and 
                    overnight becoming light. Gusty and erratic 
                    winds expected near thunderstorms early in the 
                    evening. 
Mixing height.......1600 ft AGL decreasing to 400 ft AGL in the 
                    late evening and overnight. 
Transport winds.....Southeast 7 to 14 mph. 
Dispersion index....53 decreasing to 3. 
LVORI...............1 increasing to 9. 

TIME (EDT)      6 PM   8 PM   10 PM  MIDNGT 2 AM   4 AM   
Sky (%).........40     42     40     29     41     25     
Weather cov.....CHANCE                                    
Weather type....RNSHWR NONE   NONE   NONE   NONE   NONE   
Tstm cov........CHANCE                                    
Chc of pcpn (%).30     10     10     0      0      0      
Temp............90     82     79     77     75     73     
RH..............55     73     81     87     93     99     
20 ft wind......SE 10  SE 8   SE 7   SE 6   SE 3   S 2    
20 ft wind gust.17     15     13     10     8      7      
Mix hgt (ft)....3500   1600   700    600    400    400    
Transport wind..SE 13  SE 12  SE 14  SE 12  S 9    S 7    
Dispersion idx..53     10     7      5      4      3      
LVORI...........1      3      4      5      6      9      

.JUNETEENTH...

Sky/weather.........Mostly sunny (25-35 percent). Chance of showers 
                    and thunderstorms late in the afternoon. 
Chance of pcpn......40 percent. 
Max temperature.....Around 93. 
Min humidity........52 percent. 
Wind (20 ft)........Light winds becoming southeast 5 to 8 mph in 
                    the late morning and afternoon. Gusty and 
                    erratic winds expected near thunderstorms late 
                    in the afternoon. 
Mixing height.......2000 ft AGL increasing to 6000 ft AGL. 
Transport winds.....Southeast 5 to 7 mph shifting to the east 
                    around 8 mph late in the afternoon. 
Dispersion index....3 increasing to 43. 
LVORI...............9 decreasing to 1. 

TIME (EDT)      6 AM   8 AM   10 AM  NOON   2 PM   4 PM   
Sky (%).........27     16     17     25     38     45     
Weather cov.....                            CHANCE CHANCE 
Weather type....NONE   NONE   NONE   NONE   RNSHWR RNSHWR 
Tstm cov........                            CHANCE CHANCE 
Chc of pcpn (%).0      10     10     10     40     40     
Temp............72     76     84     89     91     90     
RH..............100    96     72     59     52     55     
20 ft wind......SE 2   SE 2   S 5    S 6    SE 6   SE 8   
20 ft wind gust.6      6      7      10     12     14     
Mix hgt (ft)....400    900    3100   4800   6000   5200   
Transport wind..S 6    S 7    S 5    S 5    SE 6   E 7    
Dispersion idx..3      7      20     29     43     43     
LVORI...........9      6      3      2      1      1      

$$
Forecaster...Tollefsen
Requested by...Steve Glass
Type of request...PRESCRIBED
.TAG 2516142.0/MLB
.DELDT 06/18/25
.FormatterVersion 2.0.0
.EMAIL steve.glass@myfwc.com