Spot Forecast
Issued by NWS Jacksonville, FL

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FNUS72 KJAX 041726
FWSJAX

Spot Forecast for Cpt. 79 Sod Farm...USFS
National Weather Service Jacksonville FL
1226 PM EST Wed Dec 4 2024

Forecast is based on ignition time of 0800 EST on December 05.
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...

Moisture fills in from the Gulf ahead of the cold front that will
make its way through the area in the afternoon into the late
evening hours Thursday increasing RH values into the 60-70% range.
Expect partly to mostly cloudy skies with winds out of the
southwest becoming more westerly in the afternoon. Winds less than
10 mph create poor to fair daytime dispersions. Friday, high
pressure fills in behind the cold front bringing drier cooler air
with it and dropping minRH values into the 30% range in the
afternoon. Calmer winds from the north will keep dispersion
levels more poor than fair for the time period.


.THURSDAY...
TIME (EST)      8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........46  42  36  36  44  52  53  55  56  66
Weather cov.....
Weather type....
Tstm cov........
Chc of pcpn (%).0   0   0   0   0   10  10  10  10  10
LAL.............1   1   1   1   1   1   1   1   1   1
Temp............44  52  58  62  65  68  69  69  70  68
RH..............79  69  64  62  63  61  61  61  61  65
Heat index (F)..46  52  57  61  64  68  69  69  70  68
Wind chill (F)..45  52  57  61  64  68  69  69  70  68
20 FT wind dir..SW  SW  SW  SW  W   W   W   W   W   W
20 FT wind spd..3   5   6   7   8   8   8   7   7   6
20 FT wind gust.6   7   9   10  13  13  13  10  10  9
Mix hgt (kft)...0.5 0.7 0.9 1.4 2.0 2.5 2.4 2.2 2.1 1.6
Transp wind dir.SW  SW  W   W   W   W   W   W   W   W
Transp wind spd.9   10  10  12  14  14  15  14  13  12
Dispersion idx..10  10  12  22  33  44  43  40  26  19
LVORI...........4   3   3   2   1   1   1   1   2   3

.THURSDAY NIGHT...
TIME (EST)      6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
Sky (%).........76  86  84  82  80  76  73  69  61  52  44  38
Weather cov.....
Weather type....
Tstm cov........
Chc of pcpn (%).10  10  10  10  10  10  10  0   0   0   0   0
LAL.............1   1   1   1   1   1   1   1   1   1   1   1
Temp............66  64  62  60  58  56  54  52  49  46  43  41
RH..............73  78  84  87  90  90  86  83  80  73  67  62
Heat index (F)..66  64  62  60  58  57  55  54  51  48  45  43
Wind chill (F)..66  64  62  60  58  57  55  54  51  45  42  39
20 FT wind dir..W   W   W   W   NW  NW  N   N   N   N   N   N
20 FT wind spd..5   5   5   5   5   6   6   7   7   7   7   7
20 FT wind gust.7   7   7   7   7   9   9   10  10  10  10  10
Mix hgt (kft)...1.1 0.6 0.5 0.5 0.5 0.7 1.0 1.2 1.2 1.2 1.2 1.0
Transp wind dir.NW  NW  N   N   N   N   N   N   N   N   N   N
Transp wind spd.9   7   7   7   8   9   12  13  13  13  12  12
Dispersion idx..12  4   4   4   6   7   8   8   8   8   8   6
LVORI...........3   4   5   6   6   6   5   4   4   3   3   3

.FRIDAY...
TIME (EST)      6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........33  27  23  20  16  19  22  25  23  22  20  23
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............40  38  41  44  47  50  52  55  55  55  55  52
RH..............57  57  50  47  43  41  38  34  34  32  32  36
Heat index (F)..42  40  42  45  47  50  52  55  55  56  56  53
Wind chill (F)..38  36  38  42  44  48  52  55  55  56  56  53
20 FT wind dir..N   N   N   N   N   N   N   N   N   N   N   N
20 FT wind spd..7   6   6   6   6   6   6   6   6   6   5   5
20 FT wind gust.10  9   9   9   9   9   9   9   9   9   7   7
Mix hgt (kft)...0.8 0.6 0.9 1.3 1.7 1.9 2.1 2.3 2.4 2.5 2.6 1.9
Transp wind dir.N   N   N   NE  NE  N   N   N   N   N   N   N
Transp wind spd.10  10  10  10  10  9   9   8   8   8   8   9
Dispersion idx..5   11  13  18  23  24  24  24  24  26  28  21
LVORI...........3   2   2   2   2   2   2   2   2   2   2   2

$$
Forecaster...Villafane
Requested by...Rush Smith
Type of request...PRESCRIBED
.TAG 2427827.0/JAX
.DELDT 12/04/24
.FormatterVersion 2.0.0
.EMAIL wesley.woodrome@usda.gov,gregory.smith3@usda.gov