011
FNUS72 KMLB 220749
FWSMLB
SPOT FORECAST FOR NORTH MARSH WF...USFWS
NATIONAL WEATHER SERVICE MELBOURNE FL
349 AM EDT TUE JUL 22 2025
FORECAST IS BASED ON FORECAST START TIME OF 0600 EDT ON JULY 22.
IF CONDITIONS BECOME UNREPRESENTATIVE, CONTACT THE NATIONAL WEATHER
SERVICE.
DISCUSSION
HIGH COVERAGE OF SHOWERS AND STORMS IS FORECAST THROUGH WEDNESDAY, AS
LOW PRESSURE AND DEEP MOISTURE MOVE INTO THE AREA. WHILE THE MAJORITY
OF CONVECTION IS FORECAST IN THE AFTERNOON AND EVENING HOURS (2-9 PM
TODAY), CANNOT RULE OUT SCATTERED SHOWERS AND STORMS IN THE LATE
MORNING. CONVECTION WILL BE SLOW MOVING OVER THE NEXT COUPLE OF DAYS
AND HAVE THE POTENTIAL FOR QUICK RAINFALL ACCUMULATIONS OF 1-3". IN
ADDITION TO LOCALLY HEAVY RAINFALL, FREQUENT LIGHTNING STRIKES AND
GUSTY WINDS TO AROUND 45 MPH WILL ALSO BE THREATS. FAIR DISPERSION
THROUGH TOMORROW, WITH NO MIN RH CONCERNS. HIGH COVERAGE OF PRECIPITATION
AND CLOUDS WILL LEAD TO NEAR NORMAL HIGH TEMPERATURES IN THE LOWER
90S, THOUGH HIGH HUMIDITY WILL STILL PRODUCE PEAK HEAT INDICES BETWEEN
100-105 DEGREES.
TODAY
SKY/WEATHER.........PARTLY SUNNY (60-70 PERCENT). CHANCE OF SHOWERS
AND THUNDERSTORMS IN THE MORNING, THEN SHOWERS
WITH THUNDERSTORMS LIKELY IN THE AFTERNOON.
CHANCE OF PCPN......80 PERCENT.
MAX TEMPERATURE.....AROUND 92.
MIN HUMIDITY........66 PERCENT.
WIND (20 FT)........LIGHT WINDS BECOMING WEST AROUND 5 MPH EARLY IN
THE AFTERNOON. GUSTY AND ERRATIC WINDS EXPECTED
NEAR THUNDERSTORMS.
MIXING HEIGHT.......2200 FT AGL INCREASING TO 3900 FT AGL IN THE
AFTERNOON, THEN DECREASING TO 1700 FT AGL LATE
IN THE AFTERNOON.
TRANSPORT WINDS.....WEST 7 TO 12 MPH.
DISPERSION INDEX....6 INCREASING TO 40 EARLY IN THE AFTERNOON.
LVORI...............7 DECREASING TO 3.
TIME (EDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........51 58 61 65 63 73 73 73 73 72 75 70
WEATHER COV.....SHC SHC CHC CHC CHC CHC CHC LKY LKY LKY DEF DEF
WEATHER TYPE....RW RW RW RW RW RW RW RW RW RW RW RW
TSTM COV........SHC SHC SCH SCH SCH CHC CHC CHC LKY LKY LKY LKY
CHC OF PCPN (%).20 20 30 30 40 50 50 60 70 70 80 80
TEMP............75 76 77 81 84 85 87 89 90 90 88 87
RH..............97 94 97 91 82 80 75 70 66 66 70 72
20 FT WIND DIR..SW SW SW W W W W W W SW SW SW
20 FT WIND SPD..2 2 2 2 3 3 5 5 5 3 3 3
20 FT WIND GUST.8 8 9 9 10 12 12 13 13 13 13 13
MIX HGT (KFT)...0.5 0.5 0.9 1.3 1.7 2.2 2.8 3.5 3.9 2.9 2.3 1.7
TRANSP WIND DIR.W W W W W W W W W W SW SW
TRANSP WIND SPD.7 8 9 9 9 9 9 9 9 9 12 10
DISPERSION IDX..3 3 9 14 22 26 32 40 35 29 31 25
LVORI...........7 7 6 5 3 3 3 3 3 3 3 3
TONIGHT
SKY/WEATHER.........MOSTLY CLOUDY (55-65 PERCENT). SHOWERS AND
THUNDERSTORMS LIKELY IN THE EVENING, THEN
CHANCE OF SHOWERS AND SLIGHT CHANCE OF
THUNDERSTORMS LATE.
CHANCE OF PCPN......70 PERCENT.
MIN TEMPERATURE.....AROUND 74.
MAX HUMIDITY........100 PERCENT.
WIND (20 FT)........LIGHT WINDS. GUSTY AND ERRATIC WINDS EXPECTED
NEAR THUNDERSTORMS.
MIXING HEIGHT.......400 FT AGL.
TRANSPORT WINDS.....SOUTHWEST 6 TO 12 MPH.
DISPERSION INDEX....16 DECREASING TO 4 EARLY IN THE EVENING.
LVORI...............4 INCREASING TO 8.
TIME (EDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
SKY (%).........58 58 63 60 60 61 56 49 47 47 51 46
WEATHER COV.....LKY LKY CHC CHC CHC SHC
WEATHER TYPE....RW RW RW RW RW RW
TSTM COV........LKY LKY CHC CHC CHC SCH
CHC OF PCPN (%).70 70 50 40 30 20 10 10 10 10 10 10
TEMP............85 81 81 79 78 77 77 77 76 75 75 75
RH..............75 82 85 88 91 94 94 90 94 97 97 97
20 FT WIND DIR..SW W SW SW SW SW SW SW SW S S S
20 FT WIND SPD..3 2 2 2 2 2 2 1 2 1 2 2
20 FT WIND GUST.12 10 9 8 7 7 7 6 7 6 6 7
MIX HGT (KFT)...1.3 0.9 0.6 0.5 0.5 0.5 0.5 0.5 0.4 0.4 0.4 0.5
TRANSP WIND DIR.SW S SW SW SW SW SW SW SW SW S SW
TRANSP WIND SPD.12 10 8 7 6 8 6 6 6 6 6 6
DISPERSION IDX..20 12 4 3 3 4 3 3 3 3 3 3
LVORI...........3 4 5 6 6 6 6 6 6 7 8 8
WEDNESDAY
SKY/WEATHER.........PARTLY SUNNY (55-65 PERCENT). CHANCE OF SHOWERS
IN THE MORNING. THEN, SHOWERS WITH THUNDERSTORMS
LIKELY IN THE AFTERNOON.
CHANCE OF PCPN......80 PERCENT.
MAX TEMPERATURE.....AROUND 90.
MIN HUMIDITY........70 PERCENT.
WIND (20 FT)........LIGHT WINDS BECOMING SOUTH 5 TO 6 MPH IN THE
AFTERNOON. GUSTY AND ERRATIC WINDS EXPECTED
NEAR THUNDERSTORMS.
MIXING HEIGHT.......2200 FT AGL INCREASING TO 4000 FT AGL LATE IN
THE MORNING.
TRANSPORT WINDS.....SOUTH 6 TO 10 MPH.
DISPERSION INDEX....5 INCREASING TO 40 IN THE AFTERNOON.
LVORI...............9 DECREASING TO 3.
TIME (EDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........50 54 54 62 64 66 67 67 68 68 68 69
WEATHER COV..... SHC CHC CHC CHC CHC DEF DEF DEF DEF
WEATHER TYPE.... RW RW RW RW RW RW RW RW RW
TSTM COV........ CHC CHC CHC LKY LKY LKY LKY
CHC OF PCPN (%).10 10 10 20 30 40 40 50 60 70 80 80
TEMP............75 74 76 79 82 84 85 87 88 87 87 86
RH..............97 100 97 94 85 80 77 72 70 72 70 72
20 FT WIND DIR..S S S S S S S S S S S S
20 FT WIND SPD..2 2 2 2 2 3 5 5 6 5 5 5
20 FT WIND GUST.6 7 7 8 9 12 12 13 14 14 14 14
MIX HGT (KFT)...0.5 0.5 0.8 1.5 2.2 2.9 3.3 3.7 4.0 3.4 2.9 2.3
TRANSP WIND DIR.SW S S S S S S S S S SW SW
TRANSP WIND SPD.6 6 7 8 8 9 10 10 10 9 9 8
DISPERSION IDX..3 3 7 15 23 31 34 37 40 36 32 27
LVORI...........8 9 7 5 4 3 3 3 3 3 3 3
FORECASTER...LEAHY
REQUESTED BY...C.BOWDEN
TYPE OF REQUEST...WILDFIRE
.TAG 2518390.0/MLB
.DELDT 07/22/25
.FORMATTERVERSION 2.0.0
.EMAIL CONNOR_BOWDEN@FWS.GOV
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