472  
FNUS74 KMOB 031009  
FWSMOB  
 
SPOT FORECAST FOR THREE RIVERS FIRE...USFWS  
NATIONAL WEATHER SERVICE MOBILE AL  
509 AM CDT SUN AUG 3 2025  
 
FORECAST IS BASED ON FORECAST START TIME OF 0600 CDT ON AUGUST 03.  
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER  
SERVICE.  
 
...LOW DISPERSION INDEX AROUND 16 EXPECTED THIS AFTERNOON OVER  
THE BURN AREA...  
   
DISCUSSION  
SCATTERED TO NUMEROUS SHOWERS AND THUNDERSTORMS ARE  
POSSIBLE ONCE AGAIN TODAY WITH RAIN CHANCES THIS AFTERNOON AROUND  
60%. RAIN CHANCES REMAIN HIGH INTO TONIGHT AROUND 70%. WINDS THIS  
MORNING WILL BE OUT OF THE NORTHEAST AT AROUND 5 MPH, SHIFTING TO  
OUT OF THE SOUTHWEST THIS AFTERNOON AROUND 5 TO 10 MPH. WINDS THEN  
SHIFT BACK OUT OF THE NORTH TO NORTHEAST TONIGHT, EVENTUALLY  
BECOMING EASTERLY OVERNIGHT TONIGHT AROUND 5 TO 10 MPH. RELATIVE  
HUMIDITY VALUES REMAIN HIGH GREATER THAN 70% THROUGHOUT THE DAY  
TODAY INTO TONIGHT. DISPERSIONS WILL BE GENERALLY POOR THIS  
AFTERNOON.  
 
FOG POTENTIAL AND OTHER REMARKS...FOG IS NOT EXPECTED.  
   
TODAY  
 
SKY/WEATHER.........PARTLY SUNNY (50-60 PERCENT). CHANCE OF SHOWERS  
AND THUNDERSTORMS IN THE MORNING, THEN SHOWERS  
AND THUNDERSTORMS LIKELY IN THE AFTERNOON.  
CHANCE OF PCPN......60 PERCENT.  
MAX TEMPERATURE.....AROUND 89.  
MIN HUMIDITY........70 PERCENT.  
WIND (20 FT)........NORTHEAST WINDS 5 TO 6 MPH SHIFTING TO THE WEST  
AROUND 6 MPH LATE IN THE AFTERNOON, THEN  
SHIFTING TO THE SOUTHWEST LATE IN THE  
AFTERNOON. GUSTY AND ERRATIC WINDS EXPECTED  
NEAR THUNDERSTORMS.  
MIXING HEIGHT.......2200 FT AGL.  
MIXING HEIGHT (M)...427-671 METERS AGL.  
TRANSPORT WINDS.....NORTH 6 TO 7 MPH SHIFTING TO THE WEST AROUND 7  
MPH IN THE AFTERNOON.  
TRANSPORT WINDS M/S.NORTH AROUND 3 METERS/SECOND SHIFTING TO THE  
WEST IN THE AFTERNOON.  
DISPERSION INDEX....9 INCREASING TO 16 IN THE LATE MORNING AND  
AFTERNOON.  
LVORI...............5.  
STABILITY CLASS.....2.  
 
TIME (CDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM  
SKY (%).........68 77 58 54 55 52 64 55 39 37 35 35  
WEATHER COV.....CHC CHC CHC CHC CHC CHC CHC LKY LKY LKY LKY LKY  
WEATHER TYPE....RW RW RW RW RW RW RW RW RW RW RW RW  
TSTM COV........CHC CHC CHC CHC CHC CHC CHC LKY LKY LKY LKY LKY  
CHC OF PCPN (%).40 40 40 40 50 50 50 60 60 60 60 60  
TEMP............80 79 81 82 83 84 85 86 87 87 88 87  
RH..............91 97 91 85 85 80 77 75 70 70 70 72  
20 FT WIND DIR..NNE NNE NNE NE NNE NNE NNE WNW W WSW WSW SW  
20 FT WIND SPD..7 7 7 7 7 6 6 7 7 7 7 7  
20 FT WIND GUST.10 12 10 10 12 10 10 10 12 12 12 12  
MIX HGT (KFT)...1.5 1.4 1.5 1.6 1.8 1.8 2.0 2.2 2.0 2.1 2.0 2.0  
MIX HGT (KM)....0.5 0.4 0.5 0.5 0.5 0.5 0.6 0.7 0.6 0.6 0.6 0.6  
TRANSP WIND DIR.N NNE NNE NNE NNE NNE NNW WNW W WSW WSW WSW  
TRANSP WIND SPD.7 7 7 7 7 6 6 7 7 7 7 7  
TRANS WIND DIR..N NNE NNE NNE NNE NNE NNW WNW W WSW WSW WSW  
TRANS SPD (M/S).3 3 3 3 3 3 3 3 3 3 3 3  
DISPERSION IDX..4 13 13 14 16 15 15 16 16 17 16 17  
LVORI...........6 5 5 4 4 4 4 3 3 3 3 3  
   
TONIGHT  
 
SKY/WEATHER.........PARTLY CLOUDY (45-55 PERCENT) THEN BECOMING  
MOSTLY CLOUDY (55-65 PERCENT) THEN BECOMING  
PARTLY CLOUDY (40-50 PERCENT) THEN BECOMING  
MOSTLY CLOUDY (45-55 PERCENT) THEN BECOMING  
PARTLY CLOUDY (45-55 PERCENT) THEN BECOMING  
MOSTLY CLOUDY (65-75 PERCENT). SHOWERS AND  
THUNDERSTORMS LIKELY EARLY IN THE EVENING, THEN  
CHANCE OF SHOWERS AND THUNDERSTORMS IN THE  
EVENING AND OVERNIGHT. SHOWERS AND  
THUNDERSTORMS LIKELY AFTER 3 AM.  
CHANCE OF PCPN......70 PERCENT.  
MIN TEMPERATURE.....AROUND 78.  
MAX HUMIDITY........97 PERCENT.  
WIND (20 FT)........SOUTHWEST WINDS AROUND 5 MPH SHIFTING TO THE  
NORTHWEST AROUND 6 MPH LATE IN THE EVENING,  
THEN SHIFTING TO THE EAST 6 TO 7 MPH LATE IN  
THE EVENING. GUSTY AND ERRATIC WINDS EXPECTED  
NEAR THUNDERSTORMS.  
MIXING HEIGHT.......1300 FT AGL.  
MIXING HEIGHT (M)...396-610 METERS AGL.  
TRANSPORT WINDS.....WEST AROUND 6 MPH SHIFTING TO THE NORTH AROUND  
7 MPH LATE IN THE EVENING, THEN SHIFTING TO THE  
EAST OVERNIGHT SHIFTING TO THE NORTHEAST AROUND  
8 MPH EARLY IN THE MORNING.  
TRANSPORT WINDS M/S.WEST AROUND 3 METERS/SECOND SHIFTING TO THE  
NORTH LATE IN THE EVENING, THEN SHIFTING TO THE  
EAST OVERNIGHT SHIFTING TO THE NORTHEAST AROUND  
4 METERS/SECOND EARLY IN THE MORNING.  
DISPERSION INDEX....16 DECREASING TO 6.  
LVORI...............5.  
STABILITY CLASS.....4.  
 
TIME (CDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM  
SKY (%).........49 61 55 61 69 47 44 50 51 50 72 70  
WEATHER COV.....LKY CHC CHC CHC CHC CHC CHC CHC CHC CHC LKY LKY  
WEATHER TYPE....RW RW RW RW RW RW RW RW RW RW RW RW  
TSTM COV........LKY CHC CHC CHC CHC CHC CHC CHC CHC CHC LKY LKY  
CHC OF PCPN (%).60 40 40 40 50 50 50 50 50 50 70 70  
TEMP............87 86 84 84 84 84 83 82 82 81 81 80  
RH..............72 75 80 80 80 82 82 88 88 91 88 91  
20 FT WIND DIR..SW WSW WSW W NW ENE E ENE E E E NNE  
20 FT WIND SPD..6 6 6 6 7 7 7 7 7 7 7 8  
20 FT WIND GUST.10 10 10 10 10 10 12 12 12 12 12 13  
MIX HGT (KFT)...2.0 1.7 1.7 1.7 1.7 1.6 1.7 1.4 1.3 1.5 1.7 1.5  
MIX HGT (KM)....0.6 0.5 0.5 0.5 0.5 0.5 0.5 0.4 0.4 0.5 0.5 0.5  
TRANSP WIND DIR.W W W WSW N N SE ESE E E ESE ENE  
TRANSP WIND SPD.6 6 6 6 7 7 7 7 7 7 7 8  
TRANS WIND DIR..W W W WSW N N SE ESE E E ESE ENE  
TRANS SPD (M/S).3 3 3 3 3 3 3 3 3 3 3 4  
DISPERSION IDX..16 4 4 4 4 4 5 6 6 6 7 8  
LVORI...........3 4 4 4 4 5 4 5 5 6 5 6  
   
MONDAY  
 
SKY/WEATHER.........MOSTLY CLOUDY (70-80 PERCENT). SHOWERS AND  
THUNDERSTORMS LIKELY EARLY IN THE MORNING, THEN  
SHOWERS AND THUNDERSTORMS.  
CHANCE OF PCPN......80 PERCENT.  
MAX TEMPERATURE.....AROUND 87.  
MIN HUMIDITY........72 PERCENT.  
WIND (20 FT)........EAST WINDS AROUND 7 MPH SHIFTING TO THE  
SOUTHEAST LATE IN THE AFTERNOON. GUSTY AND  
ERRATIC WINDS EXPECTED NEAR THUNDERSTORMS.  
MIXING HEIGHT.......2000 FT AGL.  
MIXING HEIGHT (M)...396-610 METERS AGL.  
TRANSPORT WINDS.....EAST AROUND 8 MPH SHIFTING TO THE SOUTHEAST IN  
THE AFTERNOON.  
TRANSPORT WINDS M/S.NORTHEAST AROUND 4 METERS/SECOND SHIFTING TO  
THE SOUTHEAST IN THE AFTERNOON.  
DISPERSION INDEX....12 INCREASING TO 20 IN THE LATE MORNING AND  
AFTERNOON.  
LVORI...............5.  
STABILITY CLASS.....3.  
 
TIME (CDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM  
SKY (%).........71 82 73 75 76 73 70 67 69 70 72 70  
WEATHER COV.....LKY DEF DEF DEF DEF DEF DEF DEF DEF DEF DEF DEF  
WEATHER TYPE....RW RW RW RW RW RW RW RW RW RW RW RW  
TSTM COV........LKY DEF DEF DEF DEF DEF DEF DEF DEF DEF DEF DEF  
CHC OF PCPN (%).70 80 80 80 80 80 80 80 80 80 80 80  
TEMP............80 79 80 81 83 83 84 84 85 86 86 85  
RH..............91 97 94 91 85 85 80 80 77 72 72 75  
20 FT WIND DIR..ENE ENE E E NE ENE E E ESE SE SSE SSE  
20 FT WIND SPD..8 8 8 8 8 8 8 8 8 8 8 8  
20 FT WIND GUST.13 13 13 13 13 13 13 13 13 13 13 13  
MIX HGT (KFT)...1.3 1.4 1.3 1.4 1.7 1.8 1.9 1.9 2.0 2.0 2.0 2.0  
MIX HGT (KM)....0.4 0.4 0.4 0.4 0.5 0.5 0.6 0.6 0.6 0.6 0.6 0.6  
TRANSP WIND DIR.ENE ENE E E E ESE SE SE SE SSE SSE SE  
TRANSP WIND SPD.8 8 8 8 8 8 8 8 8 8 8 8  
TRANS WIND DIR..ENE ENE E E E ESE SE SE SE SSE SSE SE  
TRANS SPD (M/S).4 4 4 4 4 4 4 4 4 4 4 4  
DISPERSION IDX..7 14 14 16 18 19 20 20 20 21 21 21  
LVORI...........6 5 5 4 4 4 3 3 3 3 3 3  
 
 
FORECASTER...25  
REQUESTED BY...SAMI GRAY  
TYPE OF REQUEST...WILDFIRE  
.TAG 2518997.4/MOB  
.DELDT 08/03/25  
.FORMATTERVERSION 2.0.0  
.EMAIL DAVID_STOESZ@FWS.GOV,MELANIE_DOLAN@FWS.GOV,SAMI_GRAY@FWS.GOV  
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