783 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