Spot Forecast
Issued by NWS Melbourne, FL

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Spot Forecast for JDSP River Campground...Florida Park Service
National Weather Service Melbourne FL
136 AM EDT Tue Jul 8 2025

Forecast is based on ignition time of 0600 EDT on July 08.
If conditions become unrepresentative, contact the National Weather
Service.

.DISCUSSION...

Nearly calm conditions are anticipated early this morning with
poor dispersion. By midday, the sea breeze will push past the
park allowing northeast to east winds up to around 10 mph;
dispersion will become fair. There is a low (20-30%) chance of
showers and storms on the advancing sea breeze, with another
chance (30-40%) in the evening. Overall, storm chances are a
little lower than normal for early July.

.TODAY...

Sky/weather.........Mostly sunny (30-40 percent). Slight chance of
                    showers and thunderstorms late in the morning.
                    Chance of showers and thunderstorms in the
                    afternoon.
Chance of pcpn......40 percent.
Max temperature.....Around 90.
Min humidity........67 percent.
Wind (20 ft)........Light winds becoming east 5 to 8 mph late in
                    the morning. Gusty and erratic winds expected
                    near thunderstorms late in the morning.
Mixing height.......1900 ft AGL increasing to 2700 ft AGL late in
                    the morning.
Transport winds.....Southwest around 3 mph shifting to the
                    northeast 3 to 10 mph in the late morning and
                    afternoon.
Dispersion index....5 increasing to 28.
LVORI...............8 decreasing to 3.

TIME (EDT)      2AM 3AM 4AM 5AM 6AM 7AM 8AM 9AM 10A 11A 12P 1PM
Sky (%).........44  41  33  37  29  43  31  45  45  37  32  36
Weather cov.....                    SCH SCH CHC CHC CHC CHC CHC
Weather type....                    RW  RW  RW  RW  RW  RW  RW
Tstm cov........                    SCH SCH CHC CHC CHC CHC CHC
Chc of pcpn (%).10  10  10  10  10  20  20  30  40  40  40  30
Temp............76  74  78  81  85  87  87  88  88  88  89  88
RH..............92  95  91  87  77  72  72  69  69  69  67  71
20 FT wind dir..NW  NW  NW  NW  N   NE  NE  E   E   E   E   E
20 FT wind spd..1   1   1   1   2   5   6   6   7   8   7   7
20 FT wind gust.5   6   6   6   7   7   8   10  12  13  13  13
Mix hgt (kft)...0.4 0.4 0.6 1.2 1.9 2.5 2.6 2.5 2.6 2.7 2.4 2.4
Transp wind dir.SW  W   NW  N   NE  NE  NE  NE  E   E   E   E
Transp wind spd.3   2   2   3   3   5   6   6   8   8   9   10
Dispersion idx..2   1   2   5   8   14  17  19  22  26  27  30
LVORI...........7   8   7   5   4   4   3   3   3   3   3   3

.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 76.
Max humidity........94 percent.
Wind (20 ft)........East winds 5 to 6 mph early in the evening
                    becoming light. Gusty and erratic winds
                    expected near thunderstorms early in the
                    evening.
Mixing height.......600 ft AGL.
Transport winds.....Southeast 3 to 12 mph.
Dispersion index....25 decreasing to 4 early in the evening.
LVORI...............4 increasing to 7.

TIME (EDT)      2PM 3PM 4PM 5PM 6PM 7PM 8PM 9PM 10P 11P MID 1AM
Sky (%).........23  29  49  22  26  22  23  28  30  18  30  35
Weather cov.....CHC CHC SCH
Weather type....RW  RW  RW
Tstm cov........CHC CHC SCH
Chc of pcpn (%).30  30  20  10  10  10  10  10  10  10  10  10
Temp............88  86  83  82  81  80  80  79  78  78  78  77
RH..............71  72  78  79  83  85  85  88  91  88  91  91
20 FT wind dir..E   E   SE  SE  SE  SE  SE  NE  NE  NW  N   N
20 FT wind spd..6   5   3   2   2   2   2   2   2   1   1   2
20 FT wind gust.12  10  12  10  9   9   8   8   7   7   7   7
Mix hgt (kft)...2.2 1.9 1.2 0.8 0.7 0.6 0.6 0.7 0.7 0.6 0.6 0.6
Transp wind dir.E   E   E   E   E   E   SE  E   SE  SE  SE  SE
Transp wind spd.12  9   9   9   9   9   8   7   7   6   5   3
Dispersion idx..28  21  6   4   5   4   4   3   3   3   2   2
LVORI...........3   3   4   5   5   5   5   6   6   6   7   7

.WEDNESDAY...

Sky/weather.........Sunny (20-30 percent). Chance of showers and
                    thunderstorms early in the morning.
Chance of pcpn......50 percent.
Max temperature.....Around 89.
Min humidity........68 percent.
Wind (20 ft)........Light winds becoming east 6 to 8 mph late in
                    the morning. Gusty and erratic winds expected
                    near thunderstorms early in the morning.
Mixing height.......1900 ft AGL increasing to 3100 ft AGL late in
                    the morning.
Transport winds.....North 2 to 3 mph shifting to the east 3 to 10
                    mph in the late morning and afternoon.
Dispersion index....7 increasing to 31.
LVORI...............7 decreasing to 4 in the late morning and
                    afternoon.

TIME (EDT)      2AM 3AM 4AM 5AM 6AM 7AM 8AM 9AM 10A 11A 12P 1PM
Sky (%).........29  17  22  15  22  28  29  30  31  30  29  28
Weather cov.....        CHC CHC CHC CHC CHC CHC CHC CHC CHC CHC
Weather type....        RW  RW  RW  RW  RW  RW  RW  RW  RW  RW
Tstm cov........        CHC CHC CHC CHC CHC CHC CHC CHC CHC CHC
Chc of pcpn (%).10  10  50  50  50  50  50  50  40  40  40  40
Temp............77  76  78  82  84  86  86  87  87  87  87  87
RH..............91  94  91  85  79  72  70  69  68  68  68  68
20 FT wind dir..NW  NW  N   NE  E   E   E   E   E   E   SE  SE
20 FT wind spd..2   2   2   2   3   6   7   8   8   8   8   7
20 FT wind gust.7   7   7   7   8   9   10  12  13  13  13  13
Mix hgt (kft)...0.5 0.5 0.7 1.3 1.9 2.6 2.8 2.9 3.1 2.9 2.7 2.5
Transp wind dir.N   NW  N   NE  NE  E   E   E   E   E   E   E
Transp wind spd.2   3   3   3   3   5   6   7   8   9   9   10
Dispersion idx..2   2   3   7   11  17  22  24  29  30  32  32
LVORI...........7   7   6   4   4   3   3   3   3   3   3   3

$$
Forecaster...Heil
Requested by...Rob Rossmanith
Type of request...PRESCRIBED
.TAG 2517514.0/MLB
.DELDT 07/08/25
.FormatterVersion 2.0.0
.EMAIL robin.rossmanith@floridadep.gov