


Spot Forecast
Issued by NWS Melbourne, FL
Issued by NWS Melbourne, FL
031 FNUS72 KMLB 171201 FWSMLB Spot Forecast for TM-19 Pile...Florida Park Service National Weather Service Melbourne FL 801 AM EDT Wed Sep 17 2025 Forecast is based on ignition time of 0800 EDT on September 17. If conditions become unrepresentative, contact the National Weather Service. .DISCUSSION... Rain and storm chances increase to 30 to 40 percent near the burn site today and tomorrow as moisture builds northward. Storms cannot be ruled out near the burn site, and any storms that manage to develop may be capable of producing frequent lightning strikes, gusty winds, and heavy downpours. Minimum RH values are forecast to remain well above critical thresholds in the 60 to 70 percent range each day. Easterly winds persist today through tomorrow, generally around 10 to 15 mph in the afternoon. Fair to generally good afternoon smoke dispersion values are forecast near the burn site, with easterly transport winds remaining around 10 to 15 mph. .REST OF TODAY... Sky/weather.........Partly sunny (60-70 percent). Slight chance of showers in the late morning and afternoon. Slight chance of thunderstorms late in the afternoon. Chance of pcpn......20 percent. Max temperature.....Around 84. Min humidity........67 percent. Wind (20 ft)........East winds 6 to 12 mph. Gusty and erratic winds expected near thunderstorms late in the afternoon. Mixing height.......2800 ft AGL. Transport winds.....East 7 to 12 mph. Dispersion index....11 increasing to 37. LVORI...............4 decreasing to 2. TIME (EDT) 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM Sky (%).........55 54 56 52 56 64 63 67 76 80 Weather cov..... SCH SCH SCH SCH SCH SCH SCH Weather type.... RW RW RW RW RW RW RW Tstm cov........ SCH SCH SCH Chc of pcpn (%).10 10 20 20 20 20 20 20 20 10 Temp............78 79 81 82 82 82 82 83 82 81 RH..............77 75 71 69 68 67 69 67 69 72 20 FT wind dir..E NE NE NE E E E E E E 20 FT wind spd..6 6 7 7 9 10 10 12 12 10 20 FT wind gust.10 10 12 12 12 13 14 15 15 15 Mix hgt (kft)...1.0 2.2 2.7 2.8 2.8 2.8 2.8 2.7 2.7 2.3 Transp wind dir.E E E E E E E E E E Transp wind spd.8 7 8 8 9 9 12 12 12 12 Dispersion idx..11 19 27 30 30 33 35 34 37 33 LVORI...........4 3 3 3 3 2 2 2 2 3 .TONIGHT... Sky/weather.........Mostly cloudy (60-70 percent). Slight chance of showers and thunderstorms early in the evening. Slight chance of showers and thunderstorms late in the evening. Chance of pcpn......20 percent. Min temperature.....Around 75. Max humidity........85 percent. Wind (20 ft)........East winds 6 to 10 mph. Gusty and erratic winds expected near thunderstorms early in the evening. Gusty and erratic winds expected near thunderstorms late in the evening. Mixing height.......500 ft AGL. Transport winds.....East 6 to 10 mph. Dispersion index....29 decreasing to 5. LVORI...............3 increasing to 5. TIME (EDT) 6 PM 8 PM 10 PM MIDNGT 2 AM 4 AM Sky (%).........82 75 64 59 51 53 Weather cov..... S CHC S CHC S CHC S CHC Weather type....NONE RNSHWR NONE RNSHWR RNSHWR RNSHWR Tstm cov........ S CHC S CHC S CHC S CHC Chc of pcpn (%).10 20 10 20 20 20 Temp............82 79 79 77 77 76 RH..............69 75 76 81 82 85 20 ft wind......E 10 E 8 E 7 E 7 SE 6 E 6 20 ft wind gust.14 12 10 9 9 8 Mix hgt (ft)....2200 1200 700 700 600 700 Transport wind..E 10 E 8 E 8 E 8 SE 6 E 8 Dispersion idx..29 7 7 6 5 5 LVORI...........3 4 4 4 5 5 .THURSDAY... Sky/weather.........Mostly sunny (35-45 percent). Slight chance of showers early in the morning. Slight chance of thunderstorms late in the morning, then chance of showers and thunderstorms late in the afternoon. Chance of pcpn......30 percent. Max temperature.....Around 84. Min humidity........73 percent. Wind (20 ft)........East winds around 5 mph early in the morning becoming light, then becoming east 5 to 14 mph early in the morning. Gusty and erratic winds expected near thunderstorms late in the morning. Mixing height.......2000 ft AGL increasing to 3000 ft AGL late in the morning. Transport winds.....East 3 to 12 mph increasing to 13 to 14 mph late in the afternoon. Dispersion index....4 increasing to 44. LVORI...............5 decreasing to 3. TIME (EDT) 6 AM 8 AM 10 AM NOON 2 PM 4 PM Sky (%).........53 50 29 26 33 37 Weather cov..... S CHC S CHC S CHC CHANCE CHANCE Weather type....NONE RNSHWR RNSHWR RNSHWR RNSHWR RNSHWR Tstm cov........ S CHC CHANCE CHANCE Chc of pcpn (%).10 20 20 20 30 30 Temp............76 76 80 81 82 81 RH..............85 85 77 75 73 74 20 ft wind......E 5 E 5 NE 7 E 10 E 14 E 14 20 ft wind gust.7 7 9 14 16 17 Mix hgt (ft)....600 800 2000 2700 3000 2700 Transport wind..E 6 E 5 E 7 E 9 E 13 E 14 Dispersion idx..4 5 19 31 40 44 LVORI...........5 5 3 3 3 3 $$ Forecaster...Tollefsen Requested by...Victoria Marshall Type of request...PRESCRIBED .TAG 2522083.0/MLB .DELDT 09/17/25 .FormatterVersion 2.0.0 .EMAIL Victoria.Marshall@floridaDEP.gov