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Spot Forecast
Issued by NWS Melbourne, FL
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FNUS72 KMLB 170729
FWSMLB

Spot Forecast for RL 9...SJRWMD
National Weather Service Melbourne FL
329 AM EDT Wed Apr 17 2024

Forecast is based on ignition time of 0600 EDT on April 17.
If conditions become unrepresentative, contact the National Weather
Service.

.DISCUSSION...

Good morning. High pressure will remain over the local area today and
Thursday, with a dry airmass remaining in place over the region.
Mostly to partly sunny skies today and Thursday with temperatures
forecast to be slightly above normal for this time of year. Minimum RH
values around 45 percent this afternoon and Thursday. Light winds will
become southeast by mid-morning, increasing to 8-13 KT with gusts around
15 KT possible both days, which will produce sensitive fire weather
conditions. Rain chances remain out of the forecast through late week.
Smoke dispersion values will be good to very good today and poor to
fair on Thursday.

.TODAY...

Sky/weather.........Sunny (20-30 percent).
Chance of pcpn......0 percent.
LAL.................No Tstms.
Max temperature.....Around 83.
Min humidity........49 percent.
Wind (20 ft)........Southeast winds 5 to 13 mph.
Mixing height.......400 ft AGL increasing to 3400 ft AGL in the
                    late morning and afternoon.
Transport winds.....Southeast 9 to 15 mph.
Dispersion index....7 increasing to 56 late in the morning decreasing
                    to 47 in the afternoon.
LVORI...............7 decreasing to 1.

TIME (EDT)      6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........35  35  31  34  31  35  33  28  25  16  15  13
Weather cov.....
Weather type....
Tstm cov........
Chc of pcpn (%).0   0   0   0   0   0   0   0   0   0   0   0
LAL.............1   1   1   1   1   1   1   1   1   1   1   1
Temp............63  63  66  72  75  79  81  82  83  83  83  82
RH..............97  95  92  79  71  60  56  53  49  49  49  51
20 FT wind dir..E   SE  SE  SE  SE  SE  SE  E   E   E   E   E
20 FT wind spd..5   5   6   8   10  10  12  13  13  12  12  12
20 FT wind gust.                14  14  16  17  17  16  16  16
Mix hgt (kft)...0.4 0.4 0.4 2.8 3.2 3.4 3.4 3.3 3.4 3.3 3.1 2.9
Transp wind dir.SE  SE  SE  SE  E   E   E   E   E   E   E   E
Transp wind spd.9   9   10  12  14  15  15  15  14  14  15  15
Dispersion idx..5   5   8   39  52  59  52  49  48  47  46  44
LVORI...........7   7   6   3   3   1   1   1   1   1   1   1

.TONIGHT...

Sky/weather.........Partly cloudy (25-35 percent) then becoming
                    mostly cloudy (50-60 percent).
Chance of pcpn......0 percent.
LAL.................No Tstms.
Min temperature.....Around 63.
Max humidity........97 percent.
Wind (20 ft)........Southeast winds 5 to 12 mph shifting to the
                    south around 5 mph early in the morning.
Mixing height.......2200 ft AGL decreasing to 400 ft AGL early in
                    the evening.
Transport winds.....Southeast 8 to 14 mph.
Dispersion index....40 decreasing to 6 early in the evening.
LVORI...............1 increasing to 7.

TIME (EDT)      6 PM   8 PM   10 PM  MIDNGT 2 AM   4 AM
Sky (%).........17     19     21     28     38     42
Weather cov.....
Weather type....NONE   NONE   NONE   NONE   NONE   NONE
Tstm cov........
Chc of pcpn (%).0      0      0      0      0      0
LAL.............1      1      1      1      1      1
Temp............80     74     69     67     65     64
RH..............56     71     81     87     93     93
20 ft wind......E 12   SE 8   SE 6   SE 6   S 5    S 5
20 ft wind gust.16
Mix hgt (ft)....2800   500    400    400    400    400
Transport wind..E 14   E 10   SE 10  SE 10  SE 9   S 9
Dispersion idx..43     7      5      5      5      6
LVORI...........1      3      4      5      6      6

.THURSDAY...

Sky/weather.........Mostly sunny (25-35 percent).
Chance of pcpn......0 percent.
LAL.................No Tstms.
Max temperature.....Around 87.
Min humidity........43 percent.
Wind (20 ft)........Light winds becoming southeast 5 to 10 mph in
                    the late morning and afternoon.
Mixing height.......2200 ft AGL increasing to 4000 ft AGL late in
                    the morning.
Transport winds.....Southeast 3 to 10 mph.
Dispersion index....5 increasing to 38.
LVORI...............8 decreasing to 2.

TIME (EDT)      6 AM      9 AM      NOON      3 PM
Sky (%).........52        45        32        14
Weather cov.....
Weather type....NONE      NONE      NONE      NONE
Tstm cov........
Chc of pcpn (%).0         0         0         0
LAL.............1         1         1         1
Temp............63        70        83        87
RH..............97        78        51        43
20 FT wind......S 3       S 3       SE 7      E 9
Mix hgt (ft)....400       1300      3400      3600
Transport wind..S 7       SE 5      SE 7      SE 10
Dispersion idx..4         8         30        41
LVORI...........8         4         2         1

$$
Forecaster...Watson
Requested by...Doug Voltolina
Type of request...PRESCRIBED
.TAG 2411070.0/MLB
.DELDT 04/17/24
.FormatterVersion 2.0.0
.EMAIL dvoltoli@sjrwmd.com
National Weather Service Weather Forecast Office
