Suppression Forecast
Issued by NWS Jacksonville, FL

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819
FNUS72 KJAX 260919
FWSJAX

Spot Forecast for Ashley WF...NPS
National Weather Service Jacksonville FL
519 AM EDT Sat Jul 26 2025

Forecast is based on forecast start time of 0600 EDT on July 26.
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.

...HEAT ADVISORY IN EFFECT FROM 11 AM THIS MORNING TO 7 PM EDT
THIS EVENING...
...LOW DAYTIME DISPERSION VALUES TODAY...

.DISCUSSION...

Hot and dry conditions will prevail throughout the weekend at
the wildfire site. A Heat Advisory is in effect today from
11 AM through 7 PM, with additional heat advisories likely
through the middle portion of the upcoming week. Northwesterly
surface and transport winds this morning will become onshore
towards noon, with breezy southeasterly surface and transport
winds expected from the mid afternoon through the early evening
hours as winds gradually shift to southerly towards sunset.
Marginally low daytime dispersion values are forecast today.
Northwesterly surface and transport winds early on Sunday
morning will shift to northerly during the mid to late
morning hours, followed by onshore winds throughout the
afternoon hours. Fair daytime dispersion values are expected
at the wildfire site on Sunday. Chances for mainly afternoon
and evening showers and thunderstorms will begin to increase
on Tuesday.

.TODAY...
TIME (EDT)      6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........8   7   5   7   8   8   11  14  12  7   8   11
Chc of pcpn (%).0   0   0   0   0   0   10  10  10  10  10  10
Chc of thdr (%).0   0   0   0   0   0   0   0   10  0   0   0
Temp............78  77  81  85  89  91  93  93  94  93  92  90
RH..............94  97  88  80  68  64  60  60  58  62  64  68
Heat index (F)..78  77  87  96  102 103 106 105 106 106 103 102
20 FT wind dir..W   W   W   NW  NW  NW  NE  E   SE  SE  SE  SE
20 FT wind spd..5   3   3   3   5   3   7   9   10  13  14  14
20 FT wind gust.7   6   6   6   7   6   10  14  16  20  21  21
Mix hgt (kft)...0.5 0.5 0.8 1.1 1.7 2.2 2.4 2.3 2.1 1.7 1.5 1.2
Transp wind dir.W   W   NW  NW  NW  NW  NW  NE  E   SE  SE  SE
Transp wind spd.7   7   7   6   6   5   7   9   10  13  14  14
Dispersion idx..3   3   7   10  15  15  15  20  20  20  20  15
LVORI...........7   7   5   4   3   3   2   2   3   2   3   3

.TONIGHT...
TIME (EDT)      6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
Sky (%).........12  10  10  11  14  16  25  18  25  14  15  19
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............89  87  85  84  83  82  82  81  81  81  80  80
RH..............68  72  77  80  82  85  82  85  82  85  88  88
Heat index (F)..100 99  94  91  89  89  87  87  85  79  79  79
20 FT wind dir..SE  SE  S   S   S   S   S   S   SW  SW  W   W
20 FT wind spd..14  13  13  12  12  8   7   6   5   5   5   5
20 FT wind gust.21  20  20  17  17  13  10  9   7   7   7   7
Mix hgt (kft)...1.0 0.9 0.6 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5
Transp wind dir.S   S   S   S   S   S   S   SW  SW  W   W   W
Transp wind spd.14  13  13  12  12  10  10  9   10  10  10  10
Dispersion idx..15  15  10  9   8   6   6   5   5   5   5   5
LVORI...........3   3   4   4   4   4   4   4   4   5   5   5

.SUNDAY...
TIME (EDT)      6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........10  6   4   0   3   6   7   8   9   8   6   5
Chc of pcpn (%).0   0   0   0   0   0   0   0   10  10  10  10
Chc of thdr (%).0   0   0   0   0   0   0   0   10  10  10  10
Temp............79  79  81  86  89  92  94  94  94  93  92  91
RH..............88  88  82  70  64  58  54  54  54  56  58  60
Heat index (F)..79  85  89  95  102 106 109 109 109 107 106 103
20 FT wind dir..W   NW  NW  NW  N   N   N   NE  E   E   SE  SE
20 FT wind spd..5   6   2   3   6   6   6   6   6   6   7   7
20 FT wind gust.7   9   3   6   9   9   9   9   9   9   10  10
Mix hgt (kft)...0.5 0.5 0.6 1.1 1.7 2.3 2.4 2.5 2.6 2.2 1.9 1.5
Transp wind dir.NW  NW  N   N   N   N   N   N   NE  NE  E   SE
Transp wind spd.10  12  12  12  10  9   8   7   7   7   8   9
Dispersion idx..5   5   15  20  25  30  30  25  25  25  25  20
LVORI...........5   5   4   3   2   2   2   2   2   2   2   2

$$
Forecaster...Nelson
Requested by...Megan Hurrell
Type of request...WILDFIRE
.TAG 2518440.3/JAX
.DELDT 07/26/25
.FormatterVersion 2.0.0
.EMAIL megan_hurrell@nps.gov