612  
FNUS74 KMOB 211125  
FWSMOB  
 
SPOT FORECAST FOR BG-B1 BG-B2...DEP  
NATIONAL WEATHER SERVICE MOBILE AL  
525 AM CST FRI FEB 21 2025  
 
FORECAST IS BASED ON IGNITION TIME OF 0600 CST ON FEBRUARY 21.  
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER  
SERVICE.  
 
...LOW DISPERSION INDEX LESS THAN 20 EXPECTED SATURDAY OVER THE BURN AREA...  
   
DISCUSSION
 
 
STRONG AND GUSTY NORTHEAST WINDS THIS MORNING WILL DIMINISH IN  
INTENSITY BY THIS AFTERNOON WITH DRY CONDITIONS CONTINUING THROUGH  
SATURDAY. RELATIVE HUMIDITIES WILL RANGE BETWEEN 35 AND 45 PERCENT  
BY THIS AFTERNOON AND ABOVE 50 PERCENT SATURDAY AFTERNOON. DISPERSION  
RATES SHOULD REMAIN FAIR THROUGH THE AFTERNOON PERIOD TODAY BUT REMAIN  
GENERALLY POOR ON SATURDAY. NO RAINFALL IS EXPECTED THROUGH SATURDAY.  
 
FOG POTENTIAL AND OTHER REMARKS...FOG IS NOT EXPECTED.  
   
TODAY
 
 
SKY/WEATHER.........SUNNY (20-30 PERCENT).  
CHANCE OF PCPN......0 PERCENT.  
MAX TEMPERATURE.....AROUND 52.  
MIN HUMIDITY........39 PERCENT.  
WIND (20 FT)........NORTHEAST WINDS 5 TO 9 MPH.  
MIXING HEIGHT.......3400 FT AGL.  
MIXING HEIGHT (M)...549-1036 METERS AGL.  
TRANSPORT WINDS.....NORTHEAST 13 TO 20 MPH DECREASING TO 8 TO 10  
MPH LATE IN THE MORNING.  
TRANSPORT WINDS M/S.NORTHEAST 4 TO 8 METERS/SECOND.  
DISPERSION INDEX....38 DECREASING TO 34 LATE IN THE MORNING.  
LVORI...............2.  
STABILITY CLASS.....2.  
 
TIME (CST) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM  
SKY (%).........6 8 2 5 3 10 24 26 13 12 21 43  
WEATHER COV.....  
WEATHER TYPE....  
TSTM COV........  
CHC OF PCPN (%).0 0 0 0 0 0 0 0 0 0 0 0  
TEMP............28 29 30 35 39 42 44 46 49 50 50 50  
RH..............68 66 66 56 50 46 45 42 39 39 41 41  
20 FT WIND DIR..NNE NNE NNE NNE NNE NE NE NNE NNE NE NNE NE  
20 FT WIND SPD..10 10 10 10 10 9 8 8 7 7 6 6  
20 FT WIND GUST.16 16 16 16 16 14 13 13 10 10 9 9  
MIX HGT (KFT)...1.9 1.8 1.8 1.9 2.3 2.4 2.7 2.8 3.3 3.4 3.4 3.4  
MIX HGT (KM)....0.6 0.5 0.5 0.6 0.7 0.7 0.8 0.9 1.0 1.0 1.0 1.0  
TRANSP WIND DIR.NE NE NE NE NNE NE NNE NNE NNE NNE NNE NNE  
TRANSP WIND SPD.20 18 17 15 13 10 8 8 8 9 9 9  
TRANS WIND DIR..NE NE NE NE NNE NE NNE NNE NNE NNE NNE NNE  
TRANS SPD (M/S).9 8 8 7 6 4 4 4 4 4 4 4  
DISPERSION IDX..42 41 39 35 33 31 31 30 31 36 37 35  
LVORI...........2 2 2 2 2 1 1 1 1 1 1 1  
   
TONIGHT
 
 
SKY/WEATHER.........PARTLY CLOUDY (30-40 PERCENT) THEN BECOMING  
MOSTLY CLOUDY (55-65 PERCENT) THEN BECOMING  
PARTLY CLOUDY (35-45 PERCENT).  
CHANCE OF PCPN......0 PERCENT.  
MIN TEMPERATURE.....AROUND 39.  
MAX HUMIDITY........70 PERCENT.  
WIND (20 FT)........LIGHT WINDS BECOMING NORTHEAST AROUND 5 MPH  
EARLY IN THE MORNING.  
MIXING HEIGHT.......600 FT AGL.  
MIXING HEIGHT (M)...183-396 METERS AGL.  
TRANSPORT WINDS.....NORTHEAST 8 TO 12 MPH.  
TRANSPORT WINDS M/S.NORTHEAST 4 TO 5 METERS/SECOND.  
DISPERSION INDEX....8.  
LVORI...............3.  
STABILITY CLASS.....4.  
 
TIME (CST) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM  
SKY (%).........28 20 37 46 46 66 65 53 43 34 41 41  
WEATHER COV.....  
WEATHER TYPE....  
TSTM COV........  
CHC OF PCPN (%).0 0 0 0 0 0 0 0 0 0 0 0  
TEMP............47 46 43 43 42 41 41 40 41 40 40 39  
RH..............47 49 55 57 60 65 65 67 65 64 67 70  
20 FT WIND DIR..NE NNE NE NE NE NE NE NE NE NE NE NE  
20 FT WIND SPD..5 5 5 5 5 5 5 5 5 5 5 6  
20 FT WIND GUST.7 7 7 7 7 7 7 7 7 7 7 9  
MIX HGT (KFT)...1.3 0.7 0.7 0.7 0.8 0.8 0.7 0.7 0.7 0.6 0.6 0.6  
MIX HGT (KM)....0.4 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2  
TRANSP WIND DIR.NNE NE NE ENE ENE ENE ENE ENE ENE ENE ENE ENE  
TRANSP WIND SPD.9 10 10 12 10 10 8 9 9 9 9 10  
TRANS WIND DIR..NNE NE NE ENE ENE ENE ENE ENE ENE ENE ENE ENE  
TRANS SPD (M/S).4 4 4 5 4 4 4 4 4 4 4 4  
DISPERSION IDX..7 6 9 10 10 9 8 8 8 7 9 7  
LVORI...........2 2 2 2 2 3 3 3 3 3 3 3  
   
SATURDAY
 
 
SKY/WEATHER.........SUNNY (20-30 PERCENT).  
CHANCE OF PCPN......0 PERCENT.  
MAX TEMPERATURE.....AROUND 59.  
MIN HUMIDITY........51 PERCENT.  
WIND (20 FT)........NORTHEAST WINDS AROUND 5 MPH IN THE MORNING  
BECOMING LIGHT.  
MIXING HEIGHT.......2700 FT AGL.  
MIXING HEIGHT (M)...183-823 METERS AGL.  
TRANSPORT WINDS.....EAST 6 TO 9 MPH SHIFTING TO THE SOUTHEAST  
AROUND 6 MPH EARLY IN THE AFTERNOON, THEN  
SHIFTING TO THE WEST LATE IN THE AFTERNOON  
SHIFTING TO THE NORTHWEST LATE IN THE  
AFTERNOON.  
TRANSPORT WINDS M/S.EAST 3 TO 4 METERS/SECOND SHIFTING TO THE  
SOUTHEAST AROUND 3 METERS/SECOND EARLY IN THE  
AFTERNOON, THEN SHIFTING TO THE WEST LATE IN  
THE AFTERNOON SHIFTING TO THE NORTHWEST LATE IN  
THE AFTERNOON.  
DISPERSION INDEX....18.  
LVORI...............3.  
STABILITY CLASS.....2.  
 
TIME (CST) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM  
SKY (%).........35 30 13 10 14 19 24 22 21 19 18 18  
WEATHER COV.....  
WEATHER TYPE....  
TSTM COV........  
CHC OF PCPN (%).0 0 0 0 0 0 0 0 0 0 0 0  
TEMP............40 41 45 49 52 55 57 59 59 59 58 56  
RH..............70 70 65 63 61 58 55 53 51 51 53 57  
20 FT WIND DIR..NE NE NE NE NE ENE ENE ESE SSW WSW WSW W  
20 FT WIND SPD..6 6 6 6 6 5 5 5 3 3 3 2  
20 FT WIND GUST.9 9 9 9 8 8 7 7 6 6 5 3  
MIX HGT (KFT)...0.6 0.7 0.9 1.3 1.8 2.2 2.7 2.7 2.7 2.7 2.7 2.7  
MIX HGT (KM)....0.2 0.2 0.3 0.4 0.5 0.7 0.8 0.8 0.8 0.8 0.8 0.8  
TRANSP WIND DIR.ENE ENE ENE E E E E SSE WSW W WNW WNW  
TRANSP WIND SPD.9 9 8 8 7 6 6 6 6 6 6 6  
TRANS WIND DIR..ENE ENE ENE E E E E SSE WSW W WNW WNW  
TRANS SPD (M/S).4 4 4 4 3 3 3 3 3 3 3 3  
DISPERSION IDX..17 17 17 17 18 19 19 18 18 19 19 18  
LVORI...........3 3 3 3 2 2 2 2 2 2 2 2  
 

 
FORECASTER...JONATHAN HOWELL  
REQUESTED BY...WILBUR PROVOST  
TYPE OF REQUEST...PRESCRIBED  
.TAG 2503349.0/MOB  
.DELDT 02/21/25  
.FORMATTERVERSION 2.0.0  
.EMAIL WILBURPROVOST@FLORIDADEP.GOV  
 
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