015  
FNUS74 KMOB 211116  
FWSMOB  
 
SPOT FORECAST FOR CHICK CPT 391 392...USFS  
NATIONAL WEATHER SERVICE MOBILE AL  
516 AM CST FRI FEB 21 2025  
 
FORECAST IS BASED ON IGNITION TIME OF 0800 CST ON FEBRUARY 21.  
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER  
SERVICE.  
   
DISCUSSION
 
 
NORTH WINDS WILL CONTINUE TO DIMINISH THROUGH THE DAY BUT A FEW EARLY  
MORNING GUSTS BETWEEN 10 AND 15 MPH ARE POSSIBLE. ANY GUSTS SHOULD DIMINISH  
BY MID MORNING WITH WINDS BECOMING LIGHT BY MID TO LATE AFTERNOON. NO  
SIGNIFICANT WIND SHIFTS ARE ANTICIPATED WITH MAINLY A NORTH NORTHEAST TO  
NORTHEAST DIRECTION THROUGH SATURDAY MORNING WITH AN EXPECTED SHIFT TO  
THE NORTHWEST BY EARLY SATURDAY AFTERNOON. NO FOG IS ANTICIPATED THROUGH  
THE FORECAST PERIOD. THE RETURN TO LIGHT WINDS AND REDUCED MIXING WILL  
RESULT IN FAIR DISPERSIONS TODAY BUT GENERALLY POOR SATURDAY MORNING, BECOMING  
FAIR BY SATURDAY AFTERNOON. NO RAIN IS EXPECTED THROUGH SATURDAY.  
 
FOG POTENTIAL AND OTHER REMARKS...FOG IS NOT EXPECTED.  
   
REST OF TODAY
 
 
SKY/WEATHER.........MOSTLY SUNNY (20-30 PERCENT).  
CHANCE OF PCPN......0 PERCENT.  
MAX TEMPERATURE.....AROUND 47.  
MIN HUMIDITY........28 PERCENT.  
WIND (20 FT)........NORTHEAST WINDS AROUND 5 MPH EARLY IN THE  
MORNING BECOMING LIGHT.  
MIXING HEIGHT.......3300 FT AGL.  
MIXING HEIGHT (M)...549-1006 METERS AGL.  
TRANSPORT WINDS.....NORTHEAST 7 TO 14 MPH.  
TRANSPORT WINDS M/S.NORTHEAST 3 TO 6 METERS/SECOND.  
DISPERSION INDEX....30 INCREASING TO 35 LATE IN THE AFTERNOON.  
LVORI...............2.  
STABILITY CLASS.....2.  
 
TIME (CST) 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM  
SKY (%).........5 25 27 28 32 31 46 39 40 42  
WEATHER COV.....  
WEATHER TYPE....  
TSTM COV........  
CHC OF PCPN (%).0 0 0 0 0 0 0 0 0 0  
TEMP............24 30 34 38 41 43 45 46 46 46  
RH..............57 46 40 35 31 30 29 28 31 32  
20 FT WIND DIR..NNE NE NE NE NNE NNE NE NNE NNE NNE  
20 FT WIND SPD..6 6 6 6 6 6 6 6 5 3  
20 FT WIND GUST.9 9 9 9 9 9 9 9 7 6  
MIX HGT (KFT)...1.8 2.3 2.4 2.6 3.0 3.1 3.2 3.3 3.3 3.3  
MIX HGT (KM)....0.5 0.7 0.7 0.8 0.9 0.9 1.0 1.0 1.0 1.0  
TRANSP WIND DIR.NE NE NE NE NE NE NNE NNE NNE NE  
TRANSP WIND SPD.14 12 10 8 7 7 7 8 9 8  
TRANS WIND DIR..NE NE NE NE NE NE NNE NNE NNE NE  
TRANS SPD (M/S).6 5 4 4 3 3 3 4 4 4  
DISPERSION IDX..32 34 32 27 26 27 27 33 37 33  
LVORI...........1 1 1 2 2 2 2 1 1 1  
   
TONIGHT
 
 
SKY/WEATHER.........MOSTLY CLOUDY (50-60 PERCENT) THEN BECOMING  
MOSTLY CLEAR (20-30 PERCENT).  
CHANCE OF PCPN......0 PERCENT.  
MIN TEMPERATURE.....AROUND 27.  
MAX HUMIDITY........71 PERCENT.  
WIND (20 FT)........LIGHT WINDS.  
MIXING HEIGHT.......300 FT AGL.  
MIXING HEIGHT (M)...91-122 METERS AGL.  
TRANSPORT WINDS.....NORTHEAST 5 TO 8 MPH.  
TRANSPORT WINDS M/S.NORTHEAST 2 TO 4 METERS/SECOND.  
DISPERSION INDEX....3.  
LVORI...............3.  
STABILITY CLASS.....4.  
 
TIME (CST) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM  
SKY (%).........55 51 44 34 40 25 19 16 14 6 8 10  
WEATHER COV.....  
WEATHER TYPE....  
TSTM COV........  
CHC OF PCPN (%).0 0 0 0 0 0 0 0 0 0 0 0  
TEMP............41 39 35 33 31 31 30 28 28 28 28 28  
RH..............43 46 54 58 63 61 63 71 68 68 68 71  
20 FT WIND DIR..NNE NNE NE NNE NE NNE NNE NE NNE NNE NNE NNE  
20 FT WIND SPD..2 2 2 2 2 2 2 2 2 2 2 2  
20 FT WIND GUST.3 3 3 3 3 3 3 3 3 3 3 3  
MIX HGT (KFT)...0.4 0.4 0.4 0.4 0.4 0.4 0.3 0.3 0.3 0.3 0.3 0.3  
MIX HGT (KM)....0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1  
TRANSP WIND DIR.NE NE NE NE NE NE NE NE NNE NE NE NE  
TRANSP WIND SPD.8 7 6 7 6 6 6 5 6 5 5 5  
TRANS WIND DIR..NE NE NE NE NE NE NE NE NNE NE NE NE  
TRANS SPD (M/S).4 3 3 3 3 3 3 2 3 2 2 2  
DISPERSION IDX..4 3 3 3 3 3 3 2 2 2 2 2  
LVORI...........2 2 2 3 3 3 3 3 3 3 3 3  
   
SATURDAY
 
 
SKY/WEATHER.........SUNNY (20-30 PERCENT).  
CHANCE OF PCPN......0 PERCENT.  
MAX TEMPERATURE.....AROUND 55.  
MIN HUMIDITY........32 PERCENT.  
WIND (20 FT)........LIGHT WINDS.  
MIXING HEIGHT.......3600 FT AGL.  
MIXING HEIGHT (M)...91-1097 METERS AGL.  
TRANSPORT WINDS.....NORTHEAST 3 TO 5 MPH SHIFTING TO THE NORTHWEST  
5 TO 7 MPH IN THE LATE MORNING AND AFTERNOON.  
TRANSPORT WINDS M/S.NORTHWEST 2 TO 3 METERS/SECOND SHIFTING TO THE  
NORTHEAST 1 TO 2 METERS/SECOND EARLY IN THE  
MORNING, THEN SHIFTING TO THE NORTHWEST 2 TO 3  
METERS/SECOND IN THE LATE MORNING AND  
AFTERNOON.  
DISPERSION INDEX....7 INCREASING TO 29.  
LVORI...............2.  
STABILITY CLASS.....2.  
 
TIME (CST) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM  
SKY (%).........12 14 19 32 35 35 34 28 23 17 15 13  
WEATHER COV.....  
WEATHER TYPE....  
TSTM COV........  
CHC OF PCPN (%).0 0 0 0 0 0 0 0 0 0 0 0  
TEMP............28 29 33 39 43 47 50 53 55 55 54 51  
RH..............71 69 63 57 47 40 36 33 32 32 36 42  
20 FT WIND DIR..NE NNE NNE NNE N NNW NW NW WNW WNW WNW WNW  
20 FT WIND SPD..2 2 2 2 2 2 2 2 2 2 2 2  
20 FT WIND GUST.3 3 3 3 3 3 3 3 3 3 3 3  
MIX HGT (KFT)...0.3 0.3 0.6 1.1 1.5 2.0 2.6 2.9 3.3 3.6 3.6 3.6  
MIX HGT (KM)....0.1 0.1 0.2 0.3 0.5 0.6 0.8 0.9 1.0 1.1 1.1 1.1  
TRANSP WIND DIR.NE NNE NE NE NNW NNW NW NW WNW WNW WNW NW  
TRANSP WIND SPD.5 5 3 5 5 5 6 7 7 7 6 6  
TRANS WIND DIR..NE NNE NE NE NNW NNW NW NW WNW WNW WNW NW  
TRANS SPD (M/S).2 2 1 2 2 2 3 3 3 3 3 3  
DISPERSION IDX..5 5 4 5 9 14 19 25 30 32 29 27  
LVORI...........3 3 3 3 2 2 2 2 2 1 2 2  
 

 
FORECASTER...JONATHAN HOWELL  
REQUESTED BY...RYAN BARNETT  
TYPE OF REQUEST...PRESCRIBED  
.TAG 2503368.0/MOB  
.DELDT 02/21/25  
.FORMATTERVERSION 2.0.0  
.EMAIL RYAN.BARNETT@USDA.GOV  
 
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