560  
FNUS74 KMOB 101007  
FWSMOB  
 
SPOT FORECAST FOR DESOTO BB 8301 KNOB CREEK...USFS  
NATIONAL WEATHER SERVICE MOBILE AL  
507 AM CDT WED JUN 10 2026  
 
FORECAST IS BASED ON IGNITION TIME OF 0800 CDT ON JUNE 10.  
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER  
SERVICE.  
   
DISCUSSION
 
FOR THE REST OF TODAY, THE MINIMUM RELATIVE  
HUMIDITY IS NEAR 45%, TRANSPORT WINDS WILL BE MOSTLY SOUTH-  
SOUTHEASTERLY TO SOUTHERLY, AND DISPERSION VALUES WILL BE FAIR.  
FOR THURSDAY, THE MINIMUM RELATIVE HUMIDITY IS NEAR 45%,  
TRANSPORT WINDS WILL BE MOSTLY SOUTHERLY TO SOUTH-SOUTHWESTERLY,  
AND DISPERSION VALUES WILL BE GOOD.  
 
FOG POTENTIAL AND OTHER REMARKS...PATCHY FOG IS POSSIBLE THIS  
MORNING AND AGAIN LATE TONIGHT, BUT DENSE FOG DEVELOPMENT IS  
NOT ANTICIPATED.  
   
REST OF TODAY
 
 
SKY/WEATHER.........SUNNY (20-30 PERCENT). PATCHY FOG EARLY IN  
THE MORNING.  
CHANCE OF PCPN......0 PERCENT.  
MAX TEMPERATURE.....AROUND 93.  
MIN HUMIDITY........47 PERCENT.  
WIND (20 FT)........LIGHT WINDS BECOMING SOUTH AROUND 5 MPH LATE IN  
THE AFTERNOON, THEN BECOMING LIGHT LATE IN THE  
AFTERNOON BECOMING SOUTH AROUND 6 MPH LATE IN  
THE AFTERNOON.  
MIXING HEIGHT.......4900 FT AGL.  
MIXING HEIGHT (M)...213-1494 METERS AGL.  
TRANSPORT WINDS.....SOUTH 3 TO 7 MPH.  
TRANSPORT WINDS M/S.SOUTH 1 TO 3 METERS/SECOND.  
DISPERSION INDEX....7 INCREASING TO 40.  
LVORI...............4.  
STABILITY CLASS.....2.  
 
TIME (CDT) 8 AM 10 AM NOON 2 PM 4 PM  
SKY (%).........40 20 9 14 18  
WEATHER COV.....PTCHY  
WEATHER TYPE....FOG NONE NONE NONE NONE  
TSTM COV........  
CHC OF PCPN (%).0 0 0 0 0  
TEMP............72 84 89 92 93  
RH..............94 67 54 47 49  
20 FT WIND DIR..ESE SSE SSE SSE SSE  
20 FT WIND SPD..1 3 5 5 5  
20 FT WIND GUST.5 6 8 8 9  
MIX HGT (FT)....700 2500 4000 4700 4900  
MIX HGT (M).....210 760 1220 1430 1490  
TRANSP WIND DIR.SSE SSE SSE SSE S  
TRANSP WIND SPD.3 6 7 7 6  
TRANS WIND DIR..SSE SSE SSE SSE S  
TRANS SPD (M/S).1 3 3 3 3  
DISPERSION IDX..4 18 33 40 34  
LVORI...........6 3 1 1 1  
   
TONIGHT
 
 
SKY/WEATHER.........MOSTLY CLEAR (10-20 PERCENT).  
CHANCE OF PCPN......0 PERCENT.  
MIN TEMPERATURE.....AROUND 70.  
MAX HUMIDITY........97 PERCENT.  
WIND (20 FT)........SOUTH WINDS AROUND 5 MPH EARLY IN THE EVENING  
BECOMING LIGHT.  
MIXING HEIGHT.......400 FT AGL.  
MIXING HEIGHT (M)...122-1494 METERS AGL.  
TRANSPORT WINDS.....SOUTH 3 TO 9 MPH.  
TRANSPORT WINDS M/S.SOUTH 1 TO 4 METERS/SECOND.  
DISPERSION INDEX....43 DECREASING TO 3.  
LVORI...............6.  
STABILITY CLASS.....4.  
 
TIME (CDT) 6 PM 8 PM 10 PM MIDNGT 2 AM 4 AM  
SKY (%).........3 0 1 4 13 27  
WEATHER COV.....  
WEATHER TYPE....NONE NONE NONE NONE NONE NONE  
TSTM COV........  
CHC OF PCPN (%).0 0 0 0 0 0  
TEMP............91 81 76 74 72 71  
RH..............52 69 82 87 90 93  
20 FT WIND DIR..S S S SSW N N  
20 FT WIND SPD..6 5 3 1 0 0  
20 FT WIND GUST.10 12 9 6 3 2  
MIX HGT (FT)....4900 400 400 400 400 400  
MIX HGT (M).....1490 120 120 120 120 120  
TRANSP WIND DIR.SSE S S S SSW SSW  
TRANSP WIND SPD.7 9 8 6 6 5  
TRANS WIND DIR..SSE S S S SSW SSW  
TRANS SPD (M/S).3 4 4 3 3 2  
DISPERSION IDX..43 4 4 3 3 2  
LVORI...........1 3 5 6 6 6  
   
THURSDAY
 
 
SKY/WEATHER.........MOSTLY SUNNY (25-35 PERCENT).  
CHANCE OF PCPN......0 PERCENT.  
MAX TEMPERATURE.....AROUND 93.  
MIN HUMIDITY........49 PERCENT.  
WIND (20 FT)........LIGHT WINDS BECOMING SOUTH AROUND 5 MPH LATE IN  
THE AFTERNOON.  
MIXING HEIGHT.......5500 FT AGL.  
MIXING HEIGHT (M)...122-1676 METERS AGL.  
TRANSPORT WINDS.....SOUTH 3 TO 9 MPH.  
TRANSPORT WINDS M/S.SOUTH 1 TO 4 METERS/SECOND.  
DISPERSION INDEX....5 INCREASING TO 18 LATE IN THE MORNING, THEN  
INCREASING TO 31 LATE IN THE MORNING INCREASING  
TO 45 EARLY IN THE AFTERNOON INCREASING TO 62  
DECREASING TO 55 LATE IN THE AFTERNOON.  
LVORI...............6.  
STABILITY CLASS.....2.  
 
TIME (CDT) 6 AM 8 AM 10 AM NOON 2 PM 4 PM  
SKY (%).........37 38 29 13 13 16  
WEATHER COV.....  
WEATHER TYPE....NONE NONE NONE NONE NONE NONE  
TSTM COV........  
CHC OF PCPN (%).0 0 0 0 0 0  
TEMP............70 75 84 90 92 91  
RH..............97 90 67 54 49 52  
20 FT WIND DIR..N SSW S S S S  
20 FT WIND SPD..0 1 3 5 6 6  
20 FT WIND GUST.2 5 7 8 9 10  
MIX HGT (FT)....400 1100 2600 4000 5400 5400  
MIX HGT (M).....120 340 790 1220 1650 1650  
TRANSP WIND DIR.SSW SSW S S S S  
TRANSP WIND SPD.3 5 7 8 9 8  
TRANS WIND DIR..SSW SSW S S S S  
TRANS SPD (M/S).1 2 3 4 4 4  
DISPERSION IDX..2 7 22 41 61 50  
LVORI...........10 5 3 1 1 1  
 

 
FORECASTER...29  
REQUESTED BY...JODY ROGERS  
TYPE OF REQUEST...PRESCRIBED  
.TAG 2615244.0/MOB  
.DELDT 06/10/26  
.FORMATTERVERSION 2.0.0  
.EMAIL JOSEPH.ROGERS@USDA.GOV  
 
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