195  
FNUS74 KMOB 080953  
FWSMOB  
 
SPOT FORECAST FOR CHICK CPT 378...USFS  
NATIONAL WEATHER SERVICE MOBILE AL  
453 AM CDT WED APR 8 2026  
 
FORECAST IS BASED ON IGNITION TIME OF 0800 CDT ON APRIL 08.  
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER  
SERVICE.  
 
...HIGH DISPERSION INDEX AROUND 94 EXPECTED THIS AFTERNOON OVER THE  
BURN AREA...  
 
...HIGH DISPERSION INDEX AROUND 90 EXPECTED THIS AFTERNOON OVER THE  
BURN AREA...  
   
DISCUSSION  
GENERALLY DRY FORECAST THROUGH THURSDAY, ALTHOUGH THERE  
IS A SMALL CHANCE FOR AN ISOLATED RAIN SHOWER LATE THIS AFTERNOON AT  
THE BURN SITE. RELATIVE HUMIDITY WILL FALL 33-34% FOR 2-3 HOURS THIS  
AFTERNOON AND SHOULD REMAIN ABOVE CRITICAL THRESHOLDS ON THURSDAY.  
TRANSPORT WINDS REMAIN EASTERLY BOTH AFTERNOONS. OCCASIONAL GUSTS UP  
TO 18 MPH ARE POSSIBLE THIS AFTERNOON AT THE BURN SITE. AFTERNOON  
DISPERSION WILL BE GOOD BOTH DAYS.  
 
FOG POTENTIAL AND OTHER REMARKS...FOG IS NOT EXPECTED.  
   
REST OF TODAY  
 
SKY/WEATHER.........PARTLY SUNNY (50-60 PERCENT).  
CHANCE OF PCPN......0 PERCENT.  
MAX TEMPERATURE.....AROUND 77.  
MIN HUMIDITY........33 PERCENT.  
WIND (20 FT)........EAST WINDS 5 TO 7 MPH.  
MIXING HEIGHT.......5800 FT AGL.  
MIXING HEIGHT (M)...183-1768 METERS AGL.  
TRANSPORT WINDS.....EAST 13 TO 18 MPH.  
TRANSPORT WINDS M/S.EAST 6 TO 8 METERS/SECOND.  
DISPERSION INDEX....12 INCREASING TO 32 LATE IN THE MORNING, THEN  
INCREASING TO 53 LATE IN THE MORNING INCREASING  
TO 74 LATE IN THE MORNING INCREASING TO 91  
DECREASING TO 84 LATE IN THE AFTERNOON.  
LVORI...............2.  
STABILITY CLASS.....2.  
 
TIME (CDT) 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM  
SKY (%).........51 50 52 58 61 64 67 66 51 45  
WEATHER COV.....  
WEATHER TYPE....  
TSTM COV........  
CHC OF PCPN (%).0 0 0 0 0 0 0 0 0 0  
TEMP............55 59 66 69 72 74 75 76 76 77  
RH..............69 64 50 42 37 33 33 33 34 36  
20 FT WIND DIR..E E E E E E E E E E  
20 FT WIND SPD..6 6 7 8 8 8 8 8 7 7  
20 FT WIND GUST.16 17 18 18 18 18 18 17 17 16  
MIX HGT (KFT)...0.6 1.5 2.4 3.3 4.3 5.0 5.3 5.8 5.8 5.8  
MIX HGT (KM)....0.2 0.5 0.7 1.0 1.3 1.5 1.6 1.8 1.8 1.8  
TRANSP WIND DIR.E E E E E E E E E E  
TRANSP WIND SPD.13 16 17 18 18 16 15 14 14 13  
TRANS WIND DIR..E E E E E E E E E E  
TRANS SPD (M/S).6 7 8 8 8 7 7 6 6 6  
DISPERSION IDX..12 32 53 74 90 93 94 89 88 84  
LVORI...........3 1 1 1 1 1 1 1 1 1  
   
TONIGHT  
 
SKY/WEATHER.........PARTLY CLOUDY (35-45 PERCENT) THEN BECOMING  
MOSTLY CLOUDY (50-60 PERCENT) THEN BECOMING  
MOSTLY CLEAR (20-30 PERCENT).  
CHANCE OF PCPN......0 PERCENT.  
MIN TEMPERATURE.....AROUND 55.  
MAX HUMIDITY........75 PERCENT.  
WIND (20 FT)........EAST WINDS AROUND 5 MPH EARLY IN THE EVENING  
BECOMING LIGHT, THEN BECOMING EAST AROUND 5 MPH  
IN THE LATE EVENING AND OVERNIGHT.  
MIXING HEIGHT.......500 FT AGL.  
MIXING HEIGHT (M)...152-1768 METERS AGL.  
TRANSPORT WINDS.....EAST 9 TO 13 MPH.  
TRANSPORT WINDS M/S.EAST 4 TO 6 METERS/SECOND.  
DISPERSION INDEX....82 DECREASING TO 7.  
LVORI...............3.  
STABILITY CLASS.....4.  
 
TIME (CDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM  
SKY (%).........37 39 42 39 55 31 24 23 24 29 21 16  
WEATHER COV.....  
WEATHER TYPE....  
TSTM COV........  
CHC OF PCPN (%).0 0 0 0 0 0 0 0 0 0 0 0  
TEMP............75 72 69 66 64 63 61 61 59 58 57 57  
RH..............40 46 53 61 63 65 72 70 75 72 72 72  
20 FT WIND DIR..E E E E E E ESE E E E E E  
20 FT WIND SPD..6 5 5 5 6 6 6 6 6 6 6 6  
20 FT WIND GUST.15 14 15 15 15 16 16 16 16 16 16 16  
MIX HGT (KFT)...5.8 0.5 0.5 0.5 0.5 0.5 0.5 0.6 0.6 0.6 0.6 0.5  
MIX HGT (KM)....1.8 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.E E E E E E ESE E E E E E  
TRANSP WIND SPD.13 9 9 10 13 13 13 12 12 12 13 12  
TRANS WIND DIR..E E E E E E ESE E E E E E  
TRANS SPD (M/S).6 4 4 4 6 6 6 5 5 5 6 5  
DISPERSION IDX..82 5 5 6 8 6 5 5 5 5 5 5  
LVORI...........1 2 2 3 3 3 3 3 4 3 3 3  
   
THURSDAY  
 
SKY/WEATHER.........SUNNY (5-15 PERCENT).  
CHANCE OF PCPN......0 PERCENT.  
MAX TEMPERATURE.....AROUND 78.  
MIN HUMIDITY........42 PERCENT.  
WIND (20 FT)........EAST WINDS AROUND 5 MPH BECOMING LIGHT.  
MIXING HEIGHT.......6300 FT AGL.  
MIXING HEIGHT (M)...152-1920 METERS AGL.  
TRANSPORT WINDS.....EAST 12 TO 16 MPH.  
TRANSPORT WINDS M/S.EAST 5 TO 7 METERS/SECOND.  
DISPERSION INDEX....9 INCREASING TO 87.  
LVORI...............2.  
STABILITY CLASS.....2.  
 
TIME (CDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM  
SKY (%).........6 8 8 10 12 11 10 9 8 8 7 7  
WEATHER COV.....  
WEATHER TYPE....  
TSTM COV........  
CHC OF PCPN (%).0 0 0 0 0 0 0 0 0 0 0 0  
TEMP............56 55 57 60 65 69 72 75 77 78 78 77  
RH..............69 72 69 64 56 51 49 46 43 42 42 43  
20 FT WIND DIR..E E E E E E E E E E E E  
20 FT WIND SPD..6 6 6 6 6 6 6 6 6 6 6 5  
20 FT WIND GUST.16 15 16 16 17 16 16 15 15 15 14 14  
MIX HGT (KFT)...0.5 0.5 1.2 1.7 2.2 2.9 3.7 4.5 5.5 6.3 6.3 6.3  
MIX HGT (KM)....0.2 0.2 0.4 0.5 0.7 0.9 1.1 1.4 1.7 1.9 1.9 1.9  
TRANSP WIND DIR.E E E E E E E E E E E E  
TRANSP WIND SPD.12 12 15 16 15 14 13 12 12 13 13 12  
TRANS WIND DIR..E E E E E E E E E E E E  
TRANS SPD (M/S).5 5 7 7 7 6 6 5 5 6 6 5  
DISPERSION IDX..5 12 24 36 41 49 60 66 79 90 90 84  
LVORI...........3 3 3 3 1 1 1 1 1 1 1 1  
 
 
FORECASTER...7  
REQUESTED BY...RYAN BARNETT  
TYPE OF REQUEST...PRESCRIBED  
.TAG 2609427.0/MOB  
.DELDT 04/08/26  
.FORMATTERVERSION 2.0.0  
.EMAIL RYAN.BARNETT@USDA.GOV  
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