Spot Forecast
Issued by NWS Jacksonville, FL

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677
FNUS72 KJAX 220204
FWSJAX

Spot Forecast for Ross Prairie 160...FFS
National Weather Service Jacksonville FL
1004 PM EDT Tue May 21 2024

Forecast is based on ignition time of 2300 EDT on May 21.
If conditions become unrepresentative, contact the National Weather
Service.

Please contact our office at (904) 741-4370 if you have questions
or concerns with this forecast.

.DISCUSSION...

Patchy early morning fog developments are expected on Wednesday
with conditions clearing before midmorning with easterly winds
building in the afternoon. Surface level winds will build to be
about 10-15 mph and then becoming more mild after sunset.
Conditions will be too dry to anticipate rain but minRH values
will remain above critical levels.

.REST OF TONIGHT...
TIME (EDT)      11P MID 1AM 2AM 3AM 4AM 5AM
Sky (%).........13  11  12  14  14  13  15
Weather cov.....                    PTY PTY
Weather type....                    FOG FOG
Tstm cov........
Chc of pcpn (%).0   0   0   0   0   0   0
LAL.............1   1   1   1   1   1   1
Temp............74  72  71  70  69  68  68
RH..............84  90  93  97  100 100 97
Heat index (F)..74  72  71  70  69  68  68
20 FT wind dir..E   E   E   E   E   E   E
20 FT wind spd..5   3   3   3   3   2   2
20 FT wind gust.7   6   6   6   6   3   3
Mix hgt (kft)...0.5 0.5 0.5 0.5 0.5 0.5 0.4
Transp wind dir.E   E   E   E   E   E   E
Transp wind spd.12  10  9   9   8   8   8
Dispersion idx..5   5   4   4   4   4   3
LVORI...........5   6   6   8   9   9   8

.WEDNESDAY...
TIME (EDT)      6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........21  25  29  20  10  11  12  11  13  12  20  23
Weather cov.....PTY PTY
Weather type....FOG FOG
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............68  68  70  74  79  82  86  87  89  91  91  92
RH..............97  97  100 93  82  72  61  57  52  49  49  46
Heat index (F)..68  68  70  74  79  87  91  92  94  96  96  96
20 FT wind dir..E   E   E   E   E   E   E   E   E   E   E   E
20 FT wind spd..2   3   3   5   5   6   6   6   7   7   7   7
20 FT wind gust.3   6   6   7   7   9   9   9   10  10  10  10
Mix hgt (kft)...0.5 0.5 0.6 1.6 2.7 3.4 4.4 5.2 5.9 6.1 6.2 6.4
Transp wind dir.E   E   E   E   E   E   E   E   E   E   E   E
Transp wind spd.8   8   9   9   9   9   9   8   8   7   7   7
Dispersion idx..4   4   8   18  32  40  49  52  53  50  48  51
LVORI...........9   8   8   5   3   2   1   1   1   1   1   1

.WEDNESDAY NIGHT...
TIME (EDT)      6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
Sky (%).........19  21  15  15  7   7   9   12  14  13  11  10
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............90  89  86  81  79  77  75  73  71  70  70  69
RH..............49  50  55  65  69  74  79  84  90  93  93  97
Heat index (F)..94  93  89  84  79  77  75  73  71  70  70  69
20 FT wind dir..E   E   E   E   E   E   E   E   E   SE  SE  SE
20 FT wind spd..8   8   7   7   6   6   5   5   3   3   3   3
20 FT wind gust.13  13  10  10  9   9   7   7   6   6   6   6
Mix hgt (kft)...4.5 2.5 0.6 0.6 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5
Transp wind dir.E   E   E   E   E   E   E   SE  SE  SE  SE  SE
Transp wind spd.9   12  13  14  13  13  12  12  10  9   9   8
Dispersion idx..46  35  7   6   6   6   5   5   4   4   4   4
LVORI...........1   1   3   3   3   3   4   4   5   6   6   8

$$
Forecaster...Corless
Requested by...Mark Larson
Type of request...PRESCRIBED
.TAG 2414713.2/JAX
.DELDT 05/21/24
.FormatterVersion 2.0.0
.EMAIL mark.larson@fdacs.gov