395  
FNUS74 KMOB 281111  
FWSMOB  
 
SPOT FORECAST FOR BURN BLOCK 6306 EAST...USFS  
NATIONAL WEATHER SERVICE MOBILE AL  
611 AM CDT THU MAR 28 2024  
 
FORECAST IS BASED ON IGNITION TIME OF 1000 CDT ON MARCH 28.  
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER  
SERVICE.  
 
...HIGH DISPERSION INDEX AROUND 89 EXPECTED THIS AFTERNOON OVER THE  
BURN AREA...  
   
DISCUSSION
 
DRY CONDITIONS ARE EXPECTED TODAY AND FRIDAY. AFTERNOON  
RELATIVE HUMIDITY VALUES DROP TO AT LEAST 20-25 PERCENT OVER THE BURN  
AREA BOTH THIS AFTERNOON AND FRIDAY AFTERNOON, AND COULD POTENTIALLY  
DROP INTO THE UPPER TEENS IN SOME LOCATIONS. TRANSPORT WINDS WILL BE  
MOSTLY NORTHERLY TODAY AND TONIGHT AND THEN TURN MORE SOUTHERLY ON  
FRIDAY. DISPERSION INDEX VALUES WILL BE GOOD BOTH TODAY AND FRIDAY.  
 
FOG POTENTIAL AND OTHER REMARKS...NO FOG IS NOT EXPECTED TONIGHT OR  
EARLY FRIDAY MORNING. NO IMPACTFUL WINDSHIFT IS EXPECTED TODAY OR  
TONIGHT, GENERALLY NORTHERLY FLOW THROUGH THAT PERIOD, BUT SHIFTING  
MORE SOUTHERLY ON FRIDAY.  
 
   
REST OF TODAY
 
 
SKY/WEATHER.........SUNNY (0-5 PERCENT).  
CHANCE OF PCPN......0 PERCENT.  
LAL.................1.  
MAX TEMPERATURE.....AROUND 71.  
MIN HUMIDITY........22 PERCENT.  
WIND (20 FT)........NORTH WINDS 7 TO 9 MPH.  
MIXING HEIGHT.......5800 FT AGL.  
MIXING HEIGHT (M)...579-1768 METERS AGL.  
TRANSPORT WINDS.....NORTH 14 TO 18 MPH.  
TRANSPORT WINDS M/S.NORTH 6 TO 8 METERS/SECOND.  
DISPERSION INDEX....42 INCREASING TO 89.  
LVORI...............1.  
STABILITY CLASS.....2.  
 
TIME (CDT) 10A 11A 12P 1PM 2PM 3PM 4PM 5PM  
SKY (%).........1 1 1 1 1 1 1 1  
WEATHER COV.....  
WEATHER TYPE....  
TSTM COV........  
CHC OF PCPN (%).0 0 0 0 0 0 0 0  
LAL.............1 1 1 1 1 1 1 1  
TEMP............57 61 66 68 70 71 71 70  
RH..............42 33 27 24 22 22 23 24  
20 FT WIND DIR..N N N N N N N N  
20 FT WIND SPD..9 10 10 10 10 10 9 8  
20 FT WIND GUST.16 16 16 16 16 15 15 13  
MIX HGT (KFT)...1.9 2.6 3.6 4.8 5.4 5.7 5.8 5.8  
MIX HGT (KM)....0.6 0.8 1.1 1.5 1.6 1.7 1.8 1.8  
TRANSP WIND DIR.N N N N N N N N  
TRANSP WIND SPD.17 17 18 17 16 15 15 14  
TRANS WIND DIR..N N N N N N N N  
TRANS SPD (M/S).8 8 8 8 7 7 7 6  
DISPERSION IDX..42 55 72 86 89 91 90 90  
LVORI...........1 1 1 1 1 1 1 1  
   
TONIGHT
 
 
SKY/WEATHER.........CLEAR (0-5 PERCENT).  
CHANCE OF PCPN......0 PERCENT.  
LAL.................1.  
MIN TEMPERATURE.....AROUND 43.  
MAX HUMIDITY........71 PERCENT.  
WIND (20 FT)........NORTH WINDS AROUND 5 MPH EARLY IN THE EVENING  
BECOMING LIGHT.  
MIXING HEIGHT.......400 FT AGL.  
MIXING HEIGHT (M)...122-1768 METERS AGL.  
TRANSPORT WINDS.....NORTH 6 TO 13 MPH SHIFTING TO THE EAST AROUND 6  
MPH EARLY IN THE MORNING.  
TRANSPORT WINDS M/S.NORTH 3 TO 6 METERS/SECOND SHIFTING TO THE EAST  
AROUND 3 METERS/SECOND EARLY IN THE MORNING.  
DISPERSION INDEX....90 DECREASING TO 4.  
LVORI...............3.  
STABILITY CLASS.....4.  
 
TIME (CDT) 6 PM 8 PM 10 PM MIDNGT 2 AM 4 AM  
SKY (%).........0 0 0 0 0 0  
WEATHER COV.....  
WEATHER TYPE....NONE NONE NONE NONE NONE NONE  
TSTM COV........  
CHC OF PCPN (%).0 0 0 0 0 0  
LAL.............1 1 1 1 1 1  
TEMP............68 59 53 50 47 45  
RH..............28 42 57 63 71 70  
20 FT WIND DIR..N N N N NNE E  
20 FT WIND SPD..6 3 2 1 1 1  
20 FT WIND GUST.9 6 3 2 2  
MIX HGT (FT)....5800 400 400 400 400 400  
MIX HGT (M).....1770 120 120 120 120 120  
TRANSP WIND DIR.N NNW N N NNE NE  
TRANSP WIND SPD.13 8 7 6 6 6  
TRANS WIND DIR..N NNW N N NNE NE  
TRANS SPD (M/S).6 4 3 3 3 3  
DISPERSION IDX..90 4 3 3 3 3  
LVORI...........1 2 3 3 3 4  
   
FRIDAY
 
 
SKY/WEATHER.........SUNNY (5-15 PERCENT).  
CHANCE OF PCPN......0 PERCENT.  
LAL.................1.  
MAX TEMPERATURE.....AROUND 75.  
MIN HUMIDITY........22 PERCENT.  
WIND (20 FT)........LIGHT WINDS BECOMING SOUTH 5 TO 7 MPH IN THE  
AFTERNOON.  
MIXING HEIGHT.......5600 FT AGL.  
MIXING HEIGHT (M)...122-1707 METERS AGL.  
TRANSPORT WINDS.....EAST 5 TO 8 MPH SHIFTING TO THE SOUTH 7 TO 13  
MPH LATE IN THE MORNING.  
TRANSPORT WINDS M/S.EAST AROUND 3 METERS/SECOND SHIFTING TO THE  
SOUTH 3 TO 6 METERS/SECOND LATE IN THE MORNING.  
DISPERSION INDEX....6 INCREASING TO 64.  
LVORI...............2.  
STABILITY CLASS.....2.  
 
TIME (CDT) 6 AM 8 AM 10 AM NOON 2 PM 4 PM  
SKY (%).........1 1 0 1 1 2  
WEATHER COV.....  
WEATHER TYPE....NONE NONE NONE NONE NONE NONE  
TSTM COV........  
CHC OF PCPN (%).0 0 0 0 0 0  
LAL.............1 1 1 1 1 1  
TEMP............44 48 63 70 75 74  
RH..............68 58 36 27 22 25  
20 FT WIND DIR..E E ESE SSE S S  
20 FT WIND SPD..1 1 3 6 8 8  
20 FT WIND GUST.2 3 6 9 12 14  
MIX HGT (FT)....400 400 2000 4500 5600 5500  
MIX HGT (M).....120 120 610 1370 1710 1680  
TRANSP WIND DIR.E E SE S S S  
TRANSP WIND SPD.6 6 8 7 8 12  
TRANS WIND DIR..E E SE S S S  
TRANS SPD (M/S).3 3 4 3 4 5  
DISPERSION IDX..3 6 19 41 54 67  
LVORI...........3 3 2 1 1 1  
 

 
FORECASTER...12  
REQUESTED BY...CLIFF WILLIS  
TYPE OF REQUEST...PRESCRIBED  
.TAG 2407329.4/MOB  
.DELDT 03/28/24  
.FORMATTERVERSION 2.0.0  
.EMAIL CLIFTON.WILLIS@USDA.GOV  
 
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