083  
FNUS74 KMOB 201412  
FWSMOB  
 
SPOT FORECAST FOR CEMETRY...USDA  
NATIONAL WEATHER SERVICE MOBILE AL  
912 AM CDT MON APR 20 2026  
 
FORECAST IS BASED ON FORECAST START TIME OF 1000 CDT ON APRIL 20.  
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER  
SERVICE.  
 
...HIGH DISPERSION INDEX AROUND 90 EXPECTED REST OF TODAY OVER  
THE BURN AREA...  
 
...HIGH DISPERSION INDEX AROUND 82 EXPECTED TUESDAY OVER THE BURN  
AREA...  
   
DISCUSSION
 
DRY CONDITIONS ARE EXPECTED AT THE BURN SITE TODAY  
AND TUESDAY. FOR THE REST OF TODAY, THE MINIMUM RELATIVE HUMIDITY  
IS NEAR 20%, 20 FT WIND GUSTS WILL BE UP TO NEAR 20 MPH,  
TRANSPORT WINDS WILL GENERALLY BE EASTERLY, AND DISPERSION VALUES  
WILL BE GOOD. FOR TUESDAY, THE MINIMUM RELATIVE HUMIDITY IS NEAR  
20%, 20 FT WIND GUSTS WILL BE UP TO NEAR 15 MPH, TRANSPORT WINDS  
WILL GENERALLY BE SOUTHEASTERLY, AND DISPERSION VALUES WILL BE  
GOOD.  
 
FOG POTENTIAL AND OTHER REMARKS...FOG IS NOT EXPECTED.  
 
   
REST OF TODAY
 
 
SKY/WEATHER.........SUNNY (20-30 PERCENT).  
CHANCE OF PCPN......0 PERCENT.  
MAX TEMPERATURE.....AROUND 79.  
MIN HUMIDITY........22 PERCENT.  
WIND (20 FT)........EAST WINDS 5 TO 7 MPH.  
MIXING HEIGHT.......5700 FT AGL.  
TRANSPORT WINDS.....EAST 9 TO 18 MPH.  
DISPERSION INDEX....55 INCREASING TO 75 LATE IN THE MORNING, THEN  
INCREASING TO 86 EARLY IN THE AFTERNOON  
DECREASING TO 71 LATE IN THE AFTERNOON.  
 
TIME (CDT) 10A 11A 12P 1PM 2PM 3PM 4PM 5PM  
SKY (%).........28 25 16 31 32 29 13 28  
WEATHER COV.....  
WEATHER TYPE....  
TSTM COV........  
CHC OF PCPN (%).0 0 0 0 0 0 0 0  
TEMP............66 70 73 75 77 78 79 79  
RH..............36 30 27 25 24 23 22 23  
20 FT WIND DIR..E E ENE ENE ENE ENE ENE ENE  
20 FT WIND SPD..7 8 8 8 8 8 7 6  
20 FT WIND GUST.17 17 17 17 16 15 14 13  
MIX HGT (KFT)...2.5 3.4 4.4 5.0 5.3 5.6 5.7 5.7  
TRANSP WIND DIR.E E E E E E E E  
TRANSP WIND SPD.17 18 17 15 15 13 12 9  
DISPERSION IDX..55 75 90 88 89 82 75 67  
   
TONIGHT
 
 
SKY/WEATHER.........MOSTLY CLEAR (15-25 PERCENT).  
CHANCE OF PCPN......0 PERCENT.  
MIN TEMPERATURE.....AROUND 51.  
MAX HUMIDITY........69 PERCENT.  
WIND (20 FT)........LIGHT WINDS.  
MIXING HEIGHT.......300 FT AGL.  
TRANSPORT WINDS.....NORTHEAST 6 TO 8 MPH.  
DISPERSION INDEX....59 DECREASING TO 4.  
 
TIME (CDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM  
SKY (%).........25 32 30 29 21 28 34 15 7 26 20 34  
WEATHER COV.....  
WEATHER TYPE....  
TSTM COV........  
CHC OF PCPN (%).0 0 0 0 0 0 0 0 0 0 0 0  
TEMP............77 73 69 63 61 59 58 55 54 53 52 52  
RH..............26 34 40 48 51 53 55 61 64 64 66 66  
20 FT WIND DIR..NE NE NE NE NE NE NE NE NE NE ENE ENE  
20 FT WIND SPD..3 2 2 2 2 2 2 2 2 2 2 2  
20 FT WIND GUST.10 9 8 8 8 8 8 8 8 8 9 9  
MIX HGT (KFT)...5.7 0.4 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3  
TRANSP WIND DIR.ENE NE NE NE NE ENE NE ENE ENE ENE ENE E  
TRANSP WIND SPD.8 6 6 6 7 7 7 8 7 7 7 8  
DISPERSION IDX..59 3 3 3 3 3 3 3 3 3 3 4  
   
TUESDAY
 
 
SKY/WEATHER.........MOSTLY SUNNY (35-45 PERCENT).  
CHANCE OF PCPN......0 PERCENT.  
MAX TEMPERATURE.....AROUND 82.  
MIN HUMIDITY........23 PERCENT.  
WIND (20 FT)........LIGHT WINDS BECOMING SOUTHEAST AROUND 5 MPH IN  
THE LATE MORNING AND EARLY AFTERNOON, THEN  
SHIFTING TO THE SOUTH AROUND 6 MPH LATE IN THE  
AFTERNOON.  
MIXING HEIGHT.......7100 FT AGL.  
TRANSPORT WINDS.....EAST 7 TO 13 MPH SHIFTING TO THE SOUTH 9 TO 13  
MPH IN THE AFTERNOON.  
DISPERSION INDEX....6 INCREASING TO 21 LATE IN THE MORNING, THEN  
INCREASING TO 43 LATE IN THE MORNING INCREASING  
TO 63 LATE IN THE MORNING INCREASING TO 80  
DECREASING TO 72 LATE IN THE AFTERNOON.  
 
TIME (CDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM  
SKY (%).........18 34 45 47 49 50 52 53 55 57 59 65  
WEATHER COV.....  
WEATHER TYPE....  
TSTM COV........  
CHC OF PCPN (%).0 0 0 0 0 0 0 0 0 0 0 0  
TEMP............52 52 57 64 71 76 79 80 82 82 82 80  
RH..............66 69 59 48 39 31 27 25 23 24 25 29  
20 FT WIND DIR..ENE ENE E E E ESE SE SSE SSE S S S  
20 FT WIND SPD..3 3 3 5 6 6 6 6 7 7 7 7  
20 FT WIND GUST.9 10 12 12 13 14 14 15 14 14 14 14  
MIX HGT (KFT)...0.3 0.3 0.7 1.4 2.4 3.7 5.1 6.1 6.9 7.1 6.6 6.6  
TRANSP WIND DIR.E E E ESE ESE SE SSE SSE S S S S  
TRANSP WIND SPD.7 8 9 12 13 13 13 12 12 10 10 9  
DISPERSION IDX..3 7 8 21 43 63 77 82 82 81 77 72  
 

 
FORECASTER...96  
REQUESTED BY...RODNEY LANDRUM  
TYPE OF REQUEST...WILDFIRE  
.TAG 2610879.0/MOB  
.DELDT 04/20/26  
.FORMATTERVERSION 2.0.0  
.EMAIL RODNEY.LANDRUM@USDA.GOV  
 
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