500  
FNUS72 KJAX 110045  
FWSJAX  
 
SPOT FORECAST FOR LRL-04...NORTH FLORIDA LAND TRUST  
NATIONAL WEATHER SERVICE JACKSONVILLE FL  
845 PM EDT TUE MAR 10 2026  
 
FORECAST IS BASED ON IGNITION TIME OF 0400 EDT ON MARCH 11.  
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.  
   
..HIGH DAYTIME DISPERSION VALUES ON WEDNESDAY AND THURSDAY
 
   
..STRONG STORMS POSSIBLE ON THURSDAY AFTERNOON
 
 
   
DISCUSSION
 
 
DRY WEATHER WILL CONTINUE AT THE BURN SITE THROUGH NOON ON  
THURSDAY. SHOWERS AND THUNDERSTORMS ARE THEN EXPECTED ON  
THURSDAY AFTERNOON, WITH A FEW STRONG STORMS POSSIBLE.  
OTHERWISE, SOUTH-SOUTHWESTERLY SURFACE AND TRANSPORT WINDS  
WILL PREVAIL THROUGH WEDNESDAY. BREEZY CONDITIONS DURING THE  
AFTERNOON HOURS ON WEDNESDAY MAY CREATE MARGINALLY HIGH  
DAYTIME DISPERSION VALUES. SURFACE AND TRANSPORT WINDS WILL  
SHIFT TO WEST-SOUTHWESTERLY AFTER SUNSET ON WEDNESDAY, WITH  
GRADUALLY DIMINISHING SPEEDS EXPECTED DURING THE EVENING  
AND OVERNIGHT HOURS. THERE IS SOME POTENTIAL FOR LOWER CLOUDS  
AND PATCHY FOG DEVELOPMENT EARLY ON THURSDAY MORNING AT THE  
BURN SITE, WITH THESE CLOUDS AND FOG LIKELY DISSIPATING  
DURING THE EARLY TO MID-MORNING HOURS. BREEZY CONDITIONS WILL  
THEN DEVELOP DURING THE MID TO LATE MORNING HOURS ON THURSDAY,  
YIELDING MARGINALLY HIGH DAYTIME DISPERSION VALUES AGAIN  
THROUGH THE MID TO LATE AFTERNOON HOURS BEFORE RAINFALL ARRIVES.  
GUSTY SURFACE AND TRANSPORT WINDS WILL THEN SHIFT TO  
NORTHWESTERLY TOWARDS SUNSET.  
   
REST OF TONIGHT
 
 
TIME (EDT) 4AM 5AM  
SKY (%).........19 20  
CHC OF PCPN (%).0 0  
CHC OF THDR (%).0 0  
TEMP............66 65  
RH..............87 90  
20 FT WIND DIR..SW S  
20 FT WIND SPD..2 2  
20 FT WIND GUST.7 7  
MIX HGT (KFT)...0.3 0.3  
TRANSP WIND DIR.SW SW  
TRANSP WIND SPD.5 6  
DISPERSION IDX..2 2  
LVORI...........6 7  
   
WEDNESDAY
 
 
TIME (EDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM  
SKY (%).........19 14 17 12 7 3 6 9 12 21 30 39  
CHC OF PCPN (%).0 0 0 0 0 0 0 0 0 0 0 0  
TEMP............65 64 64 67 74 78 83 87 89 90 91 90  
RH..............90 93 93 90 76 70 60 50 45 40 40 40  
HEAT INDEX (F)..65 64 64 67 74 78 86 90 92 93 93 92  
20 FT WIND DIR..S SW S SW SW S SW SW SW SW SW SW  
20 FT WIND SPD..2 2 3 3 5 6 7 8 9 9 9 8  
20 FT WIND GUST.7 7 6 6 7 9 10 13 14 14 14 13  
MIX HGT (KFT)...0.3 0.4 0.5 0.9 1.3 1.8 3.1 4.4 5.7 6.0 6.2 6.5  
TRANSP WIND DIR.SW S S S S S S S S S S S  
TRANSP WIND SPD.6 6 6 6 7 7 8 10 12 12 12 12  
DISPERSION IDX..2 3 6 10 15 20 35 55 70 70 75 80  
LVORI...........7 7 6 5 4 3 1 1 1 1 1 1  
   
WEDNESDAY NIGHT
 
 
TIME (EDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM  
SKY (%).........38 37 36 41 46 51 56 61 66 68 71 73  
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 85 81 78 75 72 70 69 67 67 66 65  
RH..............40 45 55 62 69 76 81 81 87 87 93 97  
HEAT INDEX (F)..90 86 83 78 75 72 70 69 67 67 66 65  
20 FT WIND DIR..SW SW SW SW SW SW SW SW SW SW SW SW  
20 FT WIND SPD..7 7 6 5 3 3 3 3 3 3 5 5  
20 FT WIND GUST.10 10 9 7 6 6 6 6 6 6 7 7  
MIX HGT (KFT)...4.5 2.5 0.6 0.6 0.6 0.6 0.5 0.4 0.4 0.4 0.5 0.6  
TRANSP WIND DIR.SW W W W W W W SW SW SW SW SW  
TRANSP WIND SPD.13 13 13 12 9 8 8 8 8 8 7 7  
DISPERSION IDX..65 40 6 6 5 4 3 4 4 4 4 5  
LVORI...........1 1 3 3 3 4 5 5 6 6 6 7  
   
THURSDAY
 
 
TIME (EDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM  
SKY (%).........74 75 73 73 73 73 73 73 70 70 70 70  
WEATHER COV.....SCH CHC CHC CHC CHC CHC CHC CHC DEF DEF DEF DEF  
WEATHER TYPE....RW RW RW RW RW RW RW RW RW RW RW RW  
TSTM COV........ SCH SCH SCH SCH SCH SCH SCH SCH SCH SCH  
CHC OF PCPN (%).20 30 40 40 40 40 40 40 80 80 80 80  
TEMP............64 64 65 68 73 77 80 82 82 82 80 78  
RH..............100 100 97 93 81 76 69 63 63 63 65 67  
20 FT WIND DIR..SW SW SW SW SW SW SW SW W W W W  
20 FT WIND SPD..5 6 7 8 10 13 14 15 15 15 14 13  
20 FT WIND GUST.7 9 10 13 16 20 21 23 23 23 21 20  
MIX HGT (KFT)...0.8 1.0 1.2 1.9 2.6 3.2 3.9 4.5 5.1 4.0 3.0 1.9  
TRANSP WIND DIR.SW SW SW SW SW SW SW SW SW W NW NW  
TRANSP WIND SPD.7 8 9 13 17 20 22 23 23 20 15 13  
LVORI...........9 9 5 4 4 3 1 1 1 1 2 3  
 

 
FORECASTER...NELSON  
REQUESTED BY...MARK MANNING  
TYPE OF REQUEST...PRESCRIBED  
.TAG 2605391.0/JAX  
.DELDT 03/10/26  
.FORMATTERVERSION 2.0.0  
.EMAIL MMANNING@NFLT.ORG  
 
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