Spot Forecast
Issued by NWS Jacksonville, FL

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628
FNUS72 KJAX 311616
FWSJAX

Spot Forecast for Harvey Block Fire...FFS
National Weather Service Jacksonville FL
1216 PM EDT Fri Oct 31 2025

Forecast is based on forecast start time of 1300 EDT on October 31.
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...

Northwest winds near 5 mph will persist this afternoon, then
become calm and variable overnight. Drier conditions are in place,
but minRH will remain above 40% through Saturday. No precipitation
or fog is expected at this location today or Saturday. Dispersion
will be fair today, approaching 40 units this afternoon. Winds
will shift to northeasterly Saturday, and dispersion will remain
fair. Rain chances return Sunday evening.

.REST OF TODAY...
TIME (EDT)      1PM 2PM 3PM 4PM 5PM
Sky (%).........2   3   3   3   3
Weather cov.....
Weather type....
Tstm cov........
Chc of pcpn (%).0   0   0   0   0
Chc of thdr (%).0   0   0   0   0
Temp............68  69  69  69  69
RH..............52  49  47  45  45
Heat index (F)..66  67  68  70  70
Wind chill (F)..66  67  68  70  70
20 FT wind dir..NW  NW  NW  NW  NW
20 FT wind spd..6   6   6   5   3
20 FT wind gust.9   9   9   7   6
Mix hgt (kft)...3.1 3.3 3.4 3.5 3.6
Transp wind dir.NW  NW  NW  NW  NW
Transp wind spd.9   8   7   6   6
Dispersion idx..37  34  30  26  22
LVORI...........1   1   2   2   2

.TONIGHT...
TIME (EDT)      6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
Sky (%).........2   2   3   2   2   2   3   4   4   3   4   4
Weather cov.....
Weather type....
Tstm cov........
Chc of pcpn (%).0   0   0   0   0   0   0   0   0   0   0   0
Chc of thdr (%).0   0   0   0   0   0   0   0   0   0   0   0
Temp............65  62  58  56  54  53  52  50  49  48  47  47
RH..............48  62  72  77  83  86  89  89  93  100 100 100
Heat index (F)..65  62  58  56  54  52  51  50  49  47  46  46
Wind chill (F)..65  62  58  56  54  52  51  50  49  47  46  46
20 FT wind dir..N   E   E   SE  SW  W   W   W   W   NW  NW  NW
20 FT wind spd..2   2   1   1   1   1   1   1   1   1   1   2
20 FT wind gust.3   3   2   2   2   2   2   2   2   2   2   3
Mix hgt (kft)...2.5 1.5 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4
Transp wind dir.N   E   E   SE  S   S   SW  SW  W   W   NW  NW
Transp wind spd.5   5   3   3   3   3   3   3   3   3   5   5
Dispersion idx..14  9   2   2   2   2   2   2   2   2   2   2
LVORI...........2   2   3   4   4   5   5   6   7   8   8   8

.SATURDAY...
TIME (EDT)      6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........4   2   1   0   1   1   4   6   9   8   6   5
Weather cov.....
Weather type....
Tstm cov........
Chc of pcpn (%).0   0   0   0   0   0   0   0   0   0   0   0
Chc of thdr (%).0   0   0   0   0   0   0   0   0   0   0   0
Temp............46  46  46  49  60  67  70  72  73  74  74  73
RH..............100 96  96  86  69  56  53  51  49  48  50  51
Heat index (F)..45  44  46  52  60  67  71  72  73  73  73  72
Wind chill (F)..44  44  46  52  60  67  71  72  73  73  73  72
20 FT wind dir..NW  NW  NW  NW  N   N   NE  NE  NE  NE  NE  NE
20 FT wind spd..2   2   2   2   2   3   3   5   6   6   7   7
20 FT wind gust.3   3   3   3   3   6   6   7   9   9   10  10
Mix hgt (kft)...0.4 0.4 0.4 1.4 2.5 3.5 4.1 4.7 5.2 4.9 4.5 4.1
Transp wind dir.NW  N   N   N   N   N   NE  NE  NE  NE  NE  NE
Transp wind spd.5   5   5   5   6   7   7   7   6   7   7   7
Dispersion idx..2   2   5   10  18  29  33  35  37  36  37  35
LVORI...........9   8   7   4   3   2   1   1   1   1   1   1

$$
Forecaster...Klingler
Requested by...Jason Foshee
Type of request...WILDFIRE
.TAG 2524834.0/JAX
.DELDT 10/31/25
.FormatterVersion 2.0.0
.EMAIL jason.foshee@fdacs.gov