542  
FNUS74 KMOB 071249  
FWSMOB  
 
SPOT FORECAST FOR THE COUNTY ROAD 24 FIRE...U.S. FOREST SERVICE  
NATIONAL WEATHER SERVICE MOBILE AL  
749 AM CDT SUN JUL 7 2019  
 
FORECAST IS BASED ON FORECAST START TIME OF 0800 CDT ON JULY 07.  
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER  
SERVICE.  
 
...HIGH DISPERSION INDEX AROUND 100 OR SLIGHTLY HIGHER IS EXPECTED OVER THE  
BURN AREA THIS AFTERNOON...  
   
DISCUSSION
 
 
A HOT WEATHER PATTERN WILL CONTINUE. AFTERNOON HEAT INDICES WILL CONTINUE TO  
CLIMB INTO THE 100 TO 107 DEGREE RANGE EACH AFTERNOON. A COMBINATION OF  
MODERATE TRANSPORT WINDS AND ELEVATED MIXING LEVEL HEIGHTS WILL CREATE HIGH  
DISPERSIONS OF OVER 75 UNITS OVER THE ENTIRE AREA ASIDE FROM A FEW COASTAL  
ZONES. THE DEVELOPMENT OF ISOLATED TO SCATTERED THUNDERSTORMS  
IS ANTICIPATED THIS AFTERNOON.  
 
FOG POTENTIAL AND OTHER REMARKS...NO FOG EXPECTED.  
   
REST OF TODAY
 
 
SKY/WEATHER.........MOSTLY SUNNY (35-45 PERCENT). CHANCE OF SHOWERS  
AND THUNDERSTORMS IN THE AFTERNOON.  
CHANCE OF PCPN......40 PERCENT.  
LAL.................NO TSTMS UNTIL 1300, THEN 9-15 STRIKES.  
MAX TEMPERATURE.....AROUND 100.  
MIN HUMIDITY........34 PERCENT.  
WIND (20 FT)........LIGHT WINDS BECOMING NORTHWEST 5 TO 6 MPH LATE  
IN THE MORNING. GUSTY AND ERRATIC WINDS  
EXPECTED NEAR THUNDERSTORMS IN THE AFTERNOON.  
MIXING HEIGHT.......7700 FT AGL.  
MIXING HEIGHT (M)...701-2347 METERS AGL.  
TRANSPORT WINDS.....NORTHWEST 9 TO 15 MPH.  
TRANSPORT WINDS M/S.NORTHWEST 4 TO 7 METERS/SECOND.  
DISPERSION INDEX....25 INCREASING TO 59 LATE IN THE MORNING, THEN  
INCREASING TO 101 LATE IN THE MORNING  
DECREASING TO 90 IN THE AFTERNOON.  
LVORI...............2.  
STABILITY CLASS.....2.  
MIXING HEIGHT.......7700 FT AGL.  
TRANSPORT WINDS.....NORTHWEST 9 TO 15 MPH.  
 
TIME (CDT) 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM  
SKY (%).........31 31 32 36 39 42 45 48 50 53  
WEATHER COV..... CHC CHC CHC CHC CHC  
WEATHER TYPE.... RW RW RW RW RW  
TSTM COV........ CHC CHC CHC CHC CHC  
CHC OF PCPN (%).10 10 10 10 10 40 40 40 40 40  
LAL.............1 1 1 1 3 3 3 3 3 3  
TEMP............82 87 92 95 97 99 100 100 99 96  
RH..............77 63 51 43 38 34 34 36 37 45  
20 FT WIND DIR..WNW NW NW NW NW WNW WNW WNW WNW WNW  
20 FT WIND SPD..3 4 5 6 6 6 6 6 6 6  
20 FT WIND GUST.4 6 6 7 8 10 10 10 10 7  
MIX HGT (KFT)...2.3 4.1 6.0 6.6 7.2 7.7 7.4 7.2 6.9 6.9  
MIX HGT (KM)....0.7 1.2 1.8 2.0 2.2 2.3 2.3 2.2 2.1 2.1  
TRANSP WIND DIR.WNW NW NW NW NW WNW WNW WNW WNW WNW  
TRANSP WIND SPD.9 13 15 15 14 13 13 13 13 13  
TRANS WIND DIR..WNW NW NW NW NW WNW WNW WNW WNW WNW  
TRANS SPD (M/S).4 6 7 7 6 6 6 6 6 6  
DISPERSION IDX..25 59 97 104 105 85 94 91 89 91  
LVORI...........3 1 1 1 1 1 1 1 1 1  
   
TONIGHT
 
 
SKY/WEATHER.........MOSTLY CLOUDY (50-60 PERCENT) THEN BECOMING  
PARTLY CLOUDY (30-40 PERCENT). CHANCE OF  
SHOWERS AND THUNDERSTORMS EARLY IN THE EVENING,  
THEN SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS  
LATE IN THE EVENING.  
CHANCE OF PCPN......40 PERCENT.  
LAL.................9-15 STRIKES UNTIL 2200, THEN NO TSTMS.  
MIN TEMPERATURE.....AROUND 75.  
MAX HUMIDITY........90 PERCENT.  
WIND (20 FT)........LIGHT WINDS. GUSTY AND ERRATIC WINDS EXPECTED  
NEAR THUNDERSTORMS IN THE EVENING.  
MIXING HEIGHT.......200 FT AGL.  
MIXING HEIGHT (M)...61-2103 METERS AGL.  
TRANSPORT WINDS.....WEST 5 TO 13 MPH SHIFTING TO THE NORTHWEST 3 TO  
5 MPH OVERNIGHT.  
TRANSPORT WINDS M/S.WEST 2 TO 6 METERS/SECOND SHIFTING TO THE  
NORTHWEST 1 TO 2 METERS/SECOND OVERNIGHT.  
DISPERSION INDEX....94 DECREASING TO 5.  
LVORI...............5.  
STABILITY CLASS.....4.  
MIXING HEIGHT.......200 FT AGL.  
TRANSPORT WINDS.....WEST 5 TO 13 MPH SHIFTING TO THE NORTHWEST 3 TO  
5 MPH OVERNIGHT.  
 
TIME (CDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM  
SKY (%).........56 58 56 54 52 48 45 42 36 30 24 29  
WEATHER COV.....CHC CHC CHC CHC SCH SCH SCH  
WEATHER TYPE....RW RW RW RW RW RW RW  
TSTM COV........CHC CHC CHC CHC SCH SCH SCH  
CHC OF PCPN (%).40 30 30 30 20 20 20 10 10 10 10 10  
LAL.............3 3 3 3 1 1 1 1 1 1 1 1  
TEMP............93 89 86 83 81 80 79 78 77 77 76 75  
RH..............49 57 63 70 74 77 79 85 85 85 87 90  
20 FT WIND DIR..WNW NW WNW W W W W W WNW WNW WNW WNW  
20 FT WIND SPD..5 4 3 3 2 2 2 2 2 2 2 2  
20 FT WIND GUST.6 6 5 4  
MIX HGT (KFT)...6.9 2.1 0.4 0.4 0.4 0.3 0.3 0.2 0.2 0.2 0.2 0.3  
MIX HGT (KM)....2.1 0.6 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1  
TRANSP WIND DIR.WNW WNW WNW WNW W WNW WNW NW WNW WNW WNW WNW  
TRANSP WIND SPD.13 13 10 8 6 5 3 3 3 5 5 5  
TRANS WIND DIR..WNW WNW WNW WNW W WNW WNW NW WNW WNW WNW WNW  
TRANS SPD (M/S).6 6 4 4 3 2 1 1 1 2 2 2  
DISPERSION IDX..94 7 5 4 3 2 2 2 2 2 2 2  
LVORI...........1 3 3 4 5 6 6 7 8 7 7 8  
   
MONDAY
 
 
SKY/WEATHER.........MOSTLY SUNNY (40-50 PERCENT). CHANCE OF SHOWERS  
AND THUNDERSTORMS IN THE AFTERNOON.  
CHANCE OF PCPN......30 PERCENT.  
LAL.................NO TSTMS UNTIL 1300, THEN 9-15 STRIKES.  
MAX TEMPERATURE.....AROUND 99.  
MIN HUMIDITY........38 PERCENT.  
WIND (20 FT)........LIGHT WINDS BECOMING NORTHWEST 5 TO 6 MPH IN  
THE LATE MORNING AND AFTERNOON. GUSTY AND  
ERRATIC WINDS EXPECTED NEAR THUNDERSTORMS IN  
THE AFTERNOON.  
MIXING HEIGHT.......7400 FT AGL.  
MIXING HEIGHT (M)...91-2256 METERS AGL.  
TRANSPORT WINDS.....NORTHWEST 3 TO 12 MPH INCREASING TO 14 TO 15  
MPH IN THE LATE MORNING AND AFTERNOON.  
TRANSPORT WINDS M/S.NORTHWEST 1 TO 5 METERS/SECOND INCREASING TO 6  
TO 7 METERS/SECOND IN THE LATE MORNING AND  
AFTERNOON.  
DISPERSION INDEX....4 INCREASING TO 103.  
LVORI...............5.  
STABILITY CLASS.....2.  
MIXING HEIGHT.......7400 FT AGL.  
TRANSPORT WINDS.....NORTHWEST 3 TO 12 MPH INCREASING TO 14 TO 15  
MPH IN THE LATE MORNING AND AFTERNOON.  
 
TIME (CDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM  
SKY (%).........33 37 39 41 43 45 47 49 50 51 53 54  
WEATHER COV..... CHC CHC CHC CHC CHC  
WEATHER TYPE.... RW RW RW RW RW  
TSTM COV........ CHC CHC CHC CHC CHC  
CHC OF PCPN (%).10 10 10 10 10 10 10 30 30 30 30 30  
LAL.............1 1 1 1 1 1 1 3 3 3 3 3  
TEMP............76 78 82 88 92 95 97 98 99 99 98 96  
RH..............90 85 74 63 56 49 45 41 38 38 41 46  
20 FT WIND DIR..WNW WNW NW NW NW NW NNW NNW NNW NNW NNW NW  
20 FT WIND SPD..2 3 3 4 5 6 6 6 6 6 6 5  
20 FT WIND GUST. 4 5 6 6 7 8 10 10 8 8 7  
MIX HGT (KFT)...0.3 0.4 1.8 3.3 4.8 5.1 5.5 5.9 6.4 6.9 7.4 7.4  
MIX HGT (KM)....0.1 0.1 0.5 1.0 1.5 1.6 1.7 1.8 2.0 2.1 2.3 2.3  
TRANSP WIND DIR.WNW WNW NW NW NW NW NNW NNW NNW NNW NW NW  
TRANSP WIND SPD.3 5 7 12 14 15 14 14 14 14 14 14  
TRANS WIND DIR..WNW WNW NW NW NW NW NNW NNW NNW NNW NW NW  
TRANS SPD (M/S).1 2 3 5 6 7 6 6 6 6 6 6  
DISPERSION IDX..2 6 19 43 70 85 92 100 103 104 105 103  
LVORI...........9 5 3 2 1 1 1 1 1 1 1 1  
 

 
FORECASTER...32  
REQUESTED BY...TRACY SIMMONS  
TYPE OF REQUEST...WILDFIRE  
.TAG 1911912.0/MOB  
.DELDT 07/07/19  
.FORMATTERVERSION 1.0.23  
.EMAIL TSIMMONS@FS.FED.US  
 
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