908
FNUS72 KMLB 170825
FWSMLB
SPOT FORECAST FOR C-259 PERKINS CONT....USFS
NATIONAL WEATHER SERVICE MELBOURNE FL
325 AM EST SAT JAN 17 2026
FORECAST IS BASED ON IGNITION TIME OF 0700 EST ON JANUARY 17.
IF CONDITIONS BECOME UNREPRESENTATIVE, CONTACT THE NATIONAL WEATHER
SERVICE.
DISCUSSION
PATCHY FROST POSSIBLE NEAR THE SITE EARLY THIS MORNING. HIGH
PRESSURE OVERHEAD SHIFTS EASTWARD THROUGH TODAY, RESULTING IN
LIGHT AND VARIABLE WINDS NEAR THE BURN SITE. WINDS BECOME MORE
SOUTHERLY THIS AFTERNOON, BUT VARIABLE TRANSPORT WIND SPEEDS WILL
CAUSE DISPERSION VALUES TO PEAK AT GENERALLY GOOD VALUES EARLY
THIS AFTERNOON BEFORE BECOMING POOR LATE THIS AFTERNOON. NO
MINIMUM RH CONCERNS TODAY. LIGHT AND VARIABLE WINDS ARE FORECAST
TO PERSIST OVERNIGHT, EVENTUALLY BECOMING MORE NORTHWESTERLY EARLY
SUNDAY MORNING AS A COLD FRONT BEGINS TO APPROACH THE AREA. RAIN
CHANCES INCREASE NEAR THE BURN SITE ON SUNDAY OUT AHEAD OF THE
FRONT TO 50%. BEHIND THE FRONT, NORTHWESTERLY WINDS INCREASE AND
BECOME GUSTY AT TIMES. POOR DISPERSION VALUES PERSIST INTO SUNDAY.
REST OF TODAY
SKY/WEATHER.........MOSTLY SUNNY (25-35 PERCENT). PATCHY FROST
EARLY IN THE MORNING.
CHANCE OF PCPN......0 PERCENT.
MAX TEMPERATURE.....AROUND 73.
MIN HUMIDITY........46 PERCENT.
WIND (20 FT)........LIGHT WINDS BECOMING SOUTH AROUND 5 MPH EARLY
IN THE AFTERNOON, THEN BECOMING LIGHT LATE IN
THE AFTERNOON.
MIXING HEIGHT.......1900 FT AGL INCREASING TO 4000 FT AGL IN THE
AFTERNOON, THEN DECREASING TO 1600 FT AGL LATE
IN THE AFTERNOON.
TRANSPORT WINDS.....SOUTH 5 TO 13 MPH.
DISPERSION INDEX....2 INCREASING TO 50, THEN DECREASING TO 9.
LVORI...............8 INCREASING TO 10, THEN DECREASING TO 1.
TIME (EST) 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........32 30 25 24 18 23 32 32 43 44 41
WEATHER COV.....PTY
WEATHER TYPE....FST
TSTM COV........
CHC OF PCPN (%).0 0 0 0 0 0 0 0 0 0 0
TEMP............37 41 48 57 63 68 70 71 71 72 69
RH..............98 94 84 69 58 52 49 48 48 46 52
20 FT WIND DIR..E E SE SE S S S S S S S
20 FT WIND SPD..1 1 1 2 2 3 5 3 3 2 2
20 FT WIND GUST.3 3 5 7 8 10 12 12 10 9 7
MIX HGT (KFT)...0.3 0.2 0.4 0.7 1.9 3.2 4.0 4.0 4.0 3.7 1.6
TRANSP WIND DIR.SE SE S S S S S S S S S
TRANSP WIND SPD.6 5 6 7 12 13 10 9 7 6 5
DISPERSION IDX..2 2 3 7 29 50 50 44 32 25 9
LVORI...........8 10 6 3 2 1 1 1 1 2 2
TONIGHT
SKY/WEATHER.........PARTLY CLOUDY (40-50 PERCENT) THEN BECOMING
MOSTLY CLOUDY (65-75 PERCENT). SLIGHT CHANCE OF
RAIN SHOWERS OVERNIGHT.
CHANCE OF PCPN......20 PERCENT.
MIN TEMPERATURE.....AROUND 47.
MAX HUMIDITY........100 PERCENT.
WIND (20 FT)........LIGHT WINDS.
MIXING HEIGHT.......300 FT AGL.
TRANSPORT WINDS.....SOUTH 3 TO 6 MPH SHIFTING TO THE NORTHWEST 5 TO
6 MPH OVERNIGHT.
DISPERSION INDEX....2.
LVORI...............3 INCREASING TO 9.
TIME (EST) 6 PM 8 PM 10 PM MIDNGT 2 AM 4 AM
SKY (%).........41 48 63 74 74 80
WEATHER COV..... S CHC
WEATHER TYPE....NONE NONE NONE NONE RNSHWR NONE
TSTM COV........
CHC OF PCPN (%).0 0 0 0 20 10
TEMP............66 59 56 53 52 52
RH..............59 78 90 99 100 97
20 FT WIND......S 1 SE 1 S 1 W 1 W 1 NW 1
20 FT WIND GUST.6 5 5 3 5 7
MIX HGT (FT)....500 400 300 400 400 400
TRANSPORT WIND..S 3 SE 5 SW 6 S 6 N 6 NW 5
DISPERSION IDX..2 2 2 2 3 2
LVORI...........3 4 6 9 9 8
SUNDAY
SKY/WEATHER.........MOSTLY CLOUDY (70-80 PERCENT) THEN BECOMING
MOSTLY SUNNY (45-55 PERCENT). CHANCE OF RAIN
SHOWERS IN THE MORNING. SLIGHT CHANCE OF RAIN
SHOWERS IN THE AFTERNOON.
CHANCE OF PCPN......50 PERCENT.
MAX TEMPERATURE.....AROUND 59.
MIN HUMIDITY........80 PERCENT.
WIND (20 FT)........LIGHT WINDS BECOMING NORTHWEST 5 TO 7 MPH WITH
GUSTS TO AROUND 20 MPH IN THE LATE MORNING AND
AFTERNOON.
MIXING HEIGHT.......1900 FT AGL.
TRANSPORT WINDS.....NORTHWEST 6 TO 15 MPH INCREASING TO 14 TO 17
MPH IN THE AFTERNOON.
DISPERSION INDEX....3 INCREASING TO 36.
LVORI...............8 INCREASING TO 3.
TIME (EST) 6 AM 8 AM 10 AM NOON 2 PM 4 PM
SKY (%).........81 89 85 82 73 56
WEATHER COV..... CHANCE CHANCE CHANCE S CHC S CHC
WEATHER TYPE....NONE RNSHWR RNSHWR RNSHWR RNSHWR RNSHWR
TSTM COV........
CHC OF PCPN (%).10 50 50 50 20 20
TEMP............51 51 57 56 54 51
RH..............98 100 91 83 80 80
20 FT WIND......NW 2 N 3 NW 6 NW 7 NW 7 NW 6
20 FT WIND GUST.8 12 15 18 20 17
MIX HGT (FT)....400 600 1300 1800 1900 1800
TRANSPORT WIND..NW 7 NW 6 NW 9 N 15 NW 17 NW 15
DISPERSION IDX..3 4 18 30 33 36
LVORI...........8 9 4 4 3 3
FORECASTER...TOLLEFSEN
REQUESTED BY...JESSICA VINCENT
TYPE OF REQUEST...PRESCRIBED
.TAG 2600370.0/MLB
.DELDT 01/17/26
.FORMATTERVERSION 2.0.0
.EMAIL JESSICA.E.VINCENT@USDA.GOV
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