895  
FNUS72 KTAE 270933  
FWSTAE  
 
SPOT FORECAST FOR ABRPUNIT31-36...TNC  
NATIONAL WEATHER SERVICE TALLAHASSEE FL  
533 AM EDT TUE MAY 27 2025  
 
FORECAST IS BASED ON IGNITION TIME OF 0900 EDT ON MAY 27.  
IF CONDITIONS BECOME UNREPRESENTATIVE, CONTACT THE NATIONAL WEATHER  
SERVICE.  
 
PLEASE CONTACT OUR OFFICE AT (850) 942-8833, IF YOU HAVE QUESTIONS  
OR CONCERNS WITH THIS FORECAST.  
   
DISCUSSION
 
 
SOUTHWESTERLY FLOW PREVAILS AT THE BURN SITE AGAIN TODAY WITH  
TEMPERATURES WARMING UP INTO THE MID 90S. THE RELATIVELY MOIST  
SOUTHWEST FLOW IS EXPECTED TO KEEP MINIMUM RELATIVE HUMIDITIES  
ABOVE 45% THIS AFTERNOON. THERE IS A 30% CHANCE OF SHOWERS AND  
THUNDERSTORMS THIS AFTERNOON AND EVENING. WITH WARM CONDITIONS,  
STEADY SOUTHWESTERLY FLOW, AND GOOD MIXING HEIGHTS, DISPERSIONS  
SHOULD PEAK AROUND 60 TODAY. MAIN CONCERNS AT THE SITE WOULD BE  
ANY OUTFLOW WINDS FROM NEARBY THUNDERSTORMS. COVERAGE OF STORMS  
SHOULD STEADILY DECREASE BETWEEN SUNSET AND MIDNIGHT. PATCHY FOG  
IS POSSIBLE ACROSS THE SITE OVERNIGHT BUT IT WILL QUICKLY SCOUR  
OUT SHORTLY AFTER SUNRISE WEDNESDAY.  
 
ON WEDNESDAY, WEST TO SOUTHWEST WINDS WITH HIGHS IN THE LOW TO  
MID-90S, AND MINIMUM AFTERNOON RELATIVE HUMIDITY 50 AND 55%.  
COVERAGE OF SHOWERS AND THUNDERSTORMS IS EXPECTED TO BE GREATER,  
ESPECIALLY DURING THE AFTERNOON, WITH A 50% CHANCE. MIXING  
HEIGHTS AND TRANSPORT WINDS ARE EXPECTED TO BE LOWER, YIELDING  
DISPERSION PEAKING AROUND 40 DURING THE AFTERNOON.  
 
ON WEDNESDAY,  
   
TODAY
 
 
SKY/WEATHER.........MOSTLY SUNNY (45-55 PERCENT). SLIGHT CHANCE OF  
SHOWERS AND THUNDERSTORMS EARLY IN THE  
AFTERNOON. CHANCE OF SHOWERS AND THUNDERSTORMS  
LATE IN THE AFTERNOON, THEN SLIGHT CHANCE OF  
SHOWERS AND THUNDERSTORMS LATE IN THE  
AFTERNOON.  
CWR.................10 PERCENT INCREASING TO 20 PERCENT EARLY IN  
THE AFTERNOON, THEN INCREASING TO 30 PERCENT  
LATE IN THE AFTERNOON DECREASING TO 20 PERCENT  
LATE IN THE AFTERNOON.  
MAX TEMPERATURE.....AROUND 94.  
MIN HUMIDITY........47 PERCENT.  
WIND (20 FT)........LIGHT WINDS BECOMING SOUTHWEST 5 TO 7 MPH IN  
THE AFTERNOON. GUSTY AND ERRATIC WINDS EXPECTED  
NEAR THUNDERSTORMS LATE IN THE AFTERNOON.  
MIXING HEIGHT.......4900 FT AGL.  
TRANSPORT WINDS.....SOUTHWEST 3 TO 12 MPH.  
LVORI...............6.  
DISPERSION INDEX....4 INCREASING TO 57.  
 
TIME (EDT) 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM  
SKY (%).........56 61 51 55 52 52 50 39 41  
WEATHER COV..... SCH CHC CHC SCH  
WEATHER TYPE.... RW RW RW RW  
TSTM COV........ SCH CHC CHC SCH  
CWR.............0 0 0 10 10 20 30 30 20  
TEMP............75 81 84 87 90 91 92 93 91  
RH..............97 79 70 61 54 50 49 47 50  
20 FT WIND DIR..S S S S S SW SW SW SW  
20 FT WIND SPD..2 2 3 5 5 5 6 6 7  
20 FT WIND GUST.6 6 7 9 9 10 13 13 14  
MIX HGT (KFT)...1.7 2.6 3.5 4.0 4.4 4.9 4.7 4.5 4.4  
TRANSP WIND DIR.S SW SW SW SW SW SW SW SW  
TRANSP WIND SPD.6 7 8 9 10 12 12 12 12  
DISPERSION......13 23 35 42 41 53 61 60 56  
LVORI...........6 3 3 1 1 1 1 1 1  
   
TONIGHT
 
 
SKY/WEATHER.........PARTLY CLOUDY (30-40 PERCENT). SLIGHT CHANCE OF  
SHOWERS AND THUNDERSTORMS EARLY IN THE EVENING.  
CWR.................20 PERCENT DECREASING TO 10 PERCENT EARLY IN  
THE EVENING.  
MIN TEMPERATURE.....AROUND 69.  
MAX HUMIDITY........100 PERCENT.  
WIND (20 FT)........SOUTHWEST WINDS 5 TO 7 MPH EARLY IN THE EVENING  
BECOMING LIGHT. GUSTY AND ERRATIC WINDS  
EXPECTED NEAR THUNDERSTORMS EARLY IN THE  
EVENING.  
MIXING HEIGHT.......500 FT AGL.  
TRANSPORT WINDS.....SOUTHWEST 6 TO 10 MPH.  
LVORI...............5.  
DISPERSION INDEX....43 DECREASING TO 5.  
 
TIME (EDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM  
SKY (%).........28 45 40 31 38 41 33 46 38 38 38 41  
WEATHER COV.....SCH SCH  
WEATHER TYPE....RW RW  
TSTM COV........SCH SCH  
CWR.............20 20 10 10 10 10 0 10 10 10 10 10  
TEMP............90 88 84 81 78 77 75 73 73 72 71 71  
RH..............52 57 67 74 85 85 94 97 97 100 100 100  
20 FT WIND DIR..SW SW SW SW SW W SW NW N SE N SE  
20 FT WIND SPD..7 7 6 5 2 2 2 1 0 1 0 1  
20 FT WIND GUST.14 14 13 9 6 6 6 3 2 3 2 3  
MIX HGT (KFT)...3.3 2.2 1.2 1.0 0.8 0.6 0.6 0.5 0.5 0.5 0.5 0.5  
TRANSP WIND DIR.SW W W W W W W SW SW SW SW SW  
TRANSP WIND SPD.10 10 9 8 8 7 7 6 6 6 7 7  
DISPERSION......43 29 6 4 4 3 3 3 3 3 3 3  
LVORI...........1 2 3 4 5 6 7 8 9 9 9 9  
   
WEDNESDAY
 
 
SKY/WEATHER.........MOSTLY SUNNY (40-50 PERCENT). PATCHY FOG EARLY  
IN THE MORNING. SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS EARLY IN THE MORNING. SHOWERS AND  
THUNDERSTORMS LIKELY LATE IN THE AFTERNOON.  
CWR.................10 PERCENT INCREASING TO 60 PERCENT.  
MAX TEMPERATURE.....AROUND 94.  
MIN HUMIDITY........52 PERCENT.  
WIND (20 FT)........LIGHT WINDS BECOMING SOUTHWEST AROUND 5 MPH  
EARLY IN THE AFTERNOON, THEN BECOMING LIGHT  
LATE IN THE AFTERNOON. GUSTY AND ERRATIC WINDS  
EXPECTED NEAR THUNDERSTORMS EARLY IN THE  
MORNING.  
MIXING HEIGHT.......4200 FT AGL.  
TRANSPORT WINDS.....WEST 6 TO 9 MPH.  
LVORI...............5.  
DISPERSION INDEX....6 INCREASING TO 21 LATE IN THE MORNING, THEN  
INCREASING TO 39 LATE IN THE MORNING INCREASING  
TO 48 EARLY IN THE AFTERNOON DECREASING TO 35.  
 
TIME (EDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM  
SKY (%).........44 39 37 34 26 36 39 44 46 49 56 59  
WEATHER COV..... SCH SCH SCH SCH SCH SCH LKY LKY LKY LKY  
WEATHER TYPE.... RNF RW RW RW RW RW RW RW RW RW  
TSTM COV........ SCH SCH SCH SCH SCH SCH LKY LKY LKY LKY  
CWR.............10 10 20 20 20 20 20 20 60 60 60 60  
TEMP............71 70 72 75 81 85 87 88 90 91 91 92  
RH..............100 100 100 100 85 72 67 62 58 56 54 52  
20 FT WIND DIR..S S S S SW SW SW SW SW SW SW S  
20 FT WIND SPD..1 1 1 2 2 2 3 3 5 5 3 3  
20 FT WIND GUST.3 3 3 6 6 6 7 7 9 9 7 7  
MIX HGT (KFT)...0.7 0.9 1.1 1.9 2.7 3.5 3.7 3.9 4.2 3.8 3.5 3.2  
TRANSP WIND DIR.SW W W W W W W SW SW W W W  
TRANSP WIND SPD.6 6 6 7 7 8 9 9 9 9 9 9  
DISPERSION......3 3 8 16 25 36 42 46 49 39 33 30  
LVORI...........9 9 8 5 4 3 2 1 1 1 1 2  
 

 
FORECASTER...LF  
REQUESTED BY...CR  
TYPE OF REQUEST...PRESCRIBED  
.TAG 2514737.0/TAE  
.DELDT 05/27/25  
.FORMATTERVERSION 2.0.0  
.EMAIL C.RICKETTS@TNC.ORG  
 
CLICK HERE TO GO TO PREVIOUS BULLETINS.

The Nexlab FL Page
The Nexlab GA Page
The Nexlab AL Page Main Text Page