619  
FNUS74 KMOB 022214  
FWSMOB  
 
SPOT FORECAST FOR THREE RIVERS FIRE...USFWS  
NATIONAL WEATHER SERVICE MOBILE AL  
514 PM CDT SAT AUG 2 2025  
 
FORECAST IS BASED ON FORECAST START TIME OF 1800 CDT ON AUGUST 02.  
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER  
SERVICE.  
 
...LOW DISPERSION INDEX AROUND 17 EXPECTED SUNDAY AFTERNOON OVER THE  
BURN AREA...  
   
DISCUSSION  
EXPECT ANOTHER ROUND OF SHOWERS AND STORMS TO DEVELOP  
NEAR THE BURN SITE OVERNIGHT AND INTO THE MORNING ON SUNDAY. WINDS  
CONTINUE TO TURN WESTERLY THROUGH THE EARLY EVENING HOURS BEFORE  
TURNING OFFSHORE OVERNIGHT AND INTO THE MORNING ON SUNDAY. LIGHT  
WINDS WILL TURN SOUTHERLY TO SOUTHWESTERLY BY SUNDAY AFTERNOON AT  
THE BURN SITE. RH REMAINS HIGH THROUGH SUNDAY AND ONLY FALLS TO  
AROUND 70 PERCENT BY MID-AFTERNOON ON SUNDAY.  
 
FOG POTENTIAL AND OTHER REMARKS...FOG IS NOT EXPECTED OVERNIGHT.  
   
TONIGHT  
 
SKY/WEATHER.........MOSTLY CLOUDY (55-65 PERCENT) THEN BECOMING  
PARTLY CLOUDY (40-50 PERCENT) THEN BECOMING  
MOSTLY CLOUDY (65-75 PERCENT). THUNDERSTORMS  
LIKELY IN THE EVENING. SHOWERS LIKELY THROUGH  
THE NIGHT. CHANCE OF THUNDERSTORMS OVERNIGHT.  
CHANCE OF PCPN......60 PERCENT.  
MIN TEMPERATURE.....AROUND 79.  
MAX HUMIDITY........94 PERCENT.  
WIND (20 FT)........WEST WINDS 5 TO 6 MPH SHIFTING TO THE NORTH  
AROUND 5 MPH OVERNIGHT. GUSTY AND ERRATIC WINDS  
EXPECTED NEAR THUNDERSTORMS EARLY IN THE  
EVENING. GUSTY AND ERRATIC WINDS EXPECTED NEAR  
THUNDERSTORMS.  
MIXING HEIGHT.......1200 FT AGL.  
MIXING HEIGHT (M)...366-671 METERS AGL.  
TRANSPORT WINDS.....WEST 6 TO 9 MPH SHIFTING TO THE NORTHEAST 6 TO  
7 MPH AFTER 3 AM.  
TRANSPORT WINDS M/S.WEST AROUND 4 METERS/SECOND SHIFTING TO THE  
NORTHEAST AROUND 3 METERS/SECOND AFTER 3 AM.  
DISPERSION INDEX....26 DECREASING TO 6.  
LVORI...............5.  
STABILITY CLASS.....4.  
 
TIME (CDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM  
SKY (%).........59 45 49 61 71 62 60 66 61 64 75 71  
WEATHER COV.....LKY CHC CHC CHC LKY LKY LKY CHC CHC CHC CHC CHC  
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 CHC CHC  
CHC OF PCPN (%).60 40 40 40 60 60 60 50 50 50 50 50  
TEMP............88 86 85 85 84 83 83 82 82 81 81 81  
RH..............72 77 80 80 80 85 85 88 85 91 88 91  
20 FT WIND DIR..WSW W W WNW WNW NW N N N NNE NNE NNE  
20 FT WIND SPD..7 7 7 6 6 6 6 6 6 6 6 6  
20 FT WIND GUST.12 10 9 9 9 8 9 9 9 8 9 9  
MIX HGT (KFT)...2.2 2.1 1.9 1.9 1.9 2.0 1.8 1.4 1.5 1.4 1.2 1.2  
MIX HGT (KM)....0.7 0.6 0.6 0.6 0.6 0.6 0.5 0.4 0.5 0.4 0.4 0.4  
TRANSP WIND DIR.W W W W WNW NW NNW N N NE NNE N  
TRANSP WIND SPD.9 9 7 6 6 6 7 9 8 6 7 6  
TRANS SPD (M/S).4 4 3 3 3 3 3 4 4 3 3 3  
DISPERSION IDX..26 7 5 4 4 4 5 5 5 4 4 4  
LVORI...........3 4 4 4 5 5 5 5 5 5 5 6  
   
SUNDAY  
 
SKY/WEATHER.........PARTLY SUNNY (50-60 PERCENT). CHANCE OF  
THUNDERSTORMS IN THE MORNING. SHOWERS LIKELY  
THROUGH THE DAY. 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  
SOUTHWEST AROUND 6 MPH LATE IN THE AFTERNOON.  
GUSTY AND ERRATIC WINDS EXPECTED NEAR  
THUNDERSTORMS IN THE MORNING. GUSTY AND ERRATIC  
WINDS EXPECTED NEAR THUNDERSTORMS IN THE  
AFTERNOON.  
MIXING HEIGHT.......2000 FT AGL.  
MIXING HEIGHT (M)...396-610 METERS AGL.  
TRANSPORT WINDS.....NORTHEAST 6 TO 7 MPH SHIFTING TO THE WEST  
AROUND 7 MPH EARLY IN THE AFTERNOON, THEN  
SHIFTING TO THE SOUTHWEST LATE IN THE AFTERNOON  
SHIFTING TO THE WEST LATE IN THE AFTERNOON.  
TRANSPORT WINDS M/S.NORTHEAST AROUND 3 METERS/SECOND SHIFTING TO  
THE WEST EARLY IN THE AFTERNOON, THEN SHIFTING  
TO THE SOUTHWEST LATE IN THE AFTERNOON SHIFTING  
TO THE WEST LATE 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 (%).........73 82 56 49 50 48 44 39 46 42 31 39  
WEATHER COV.....CHC LKY LKY LKY 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 (%).50 60 60 60 50 50 50 60 60 60 60 60  
TEMP............81 80 81 81 84 85 85 86 87 87 88 87  
RH..............91 94 91 91 82 80 80 75 72 70 70 72  
20 FT WIND DIR..NNE NNE NNE NNE NNE N NW W SW SSW SSW W  
20 FT WIND SPD..7 7 7 7 7 6 6 7 7 7 7 7  
20 FT WIND GUST.9 9 9 9 9 9 9 9 10 10 10 10  
MIX HGT (KFT)...1.4 1.3 1.3 1.5 1.8 2.0 1.9 1.9 1.5 1.8 1.9 1.9  
MIX HGT (KM)....0.4 0.4 0.4 0.5 0.5 0.6 0.6 0.6 0.5 0.5 0.6 0.6  
TRANSP WIND DIR.NNE NNE NE NE NNE NNE NNE WNW W SW SW W  
TRANSP WIND SPD.7 7 7 7 7 6 6 7 7 7 7 7  
TRANS SPD (M/S).3 3 3 3 3 3 3 3 3 3 3 3  
DISPERSION IDX..4 11 12 13 15 16 15 15 14 15 17 17  
LVORI...........6 5 5 5 4 4 4 4 4 3 3 3  
   
SUNDAY NIGHT  
 
SKY/WEATHER.........PARTLY CLOUDY (35-45 PERCENT) THEN BECOMING  
MOSTLY CLOUDY (55-65 PERCENT) THEN BECOMING  
PARTLY CLOUDY (40-50 PERCENT) THEN BECOMING  
MOSTLY CLOUDY (60-70 PERCENT). SHOWERS AND  
THUNDERSTORMS LIKELY.  
CHANCE OF PCPN......70 PERCENT.  
MIN TEMPERATURE.....AROUND 79.  
MAX HUMIDITY........94 PERCENT.  
WIND (20 FT)........WEST WINDS AROUND 5 MPH EARLY IN THE EVENING  
BECOMING LIGHT, THEN BECOMING EAST 5 TO 6 MPH  
OVERNIGHT. GUSTY AND ERRATIC WINDS EXPECTED  
NEAR THUNDERSTORMS EARLY IN THE EVENING. GUSTY  
AND ERRATIC WINDS EXPECTED NEAR THUNDERSTORMS  
IN THE LATE EVENING AND OVERNIGHT.  
MIXING HEIGHT.......1500 FT AGL.  
MIXING HEIGHT (M)...457-671 METERS AGL.  
TRANSPORT WINDS.....NORTHWEST 6 TO 7 MPH SHIFTING TO THE NORTHEAST  
LATE IN THE EVENING, THEN SHIFTING TO THE EAST  
AROUND 7 MPH OVERNIGHT SHIFTING TO THE  
SOUTHEAST 7 TO 8 MPH AFTER 3 AM.  
TRANSPORT WINDS M/S.NORTHWEST AROUND 3 METERS/SECOND SHIFTING TO  
THE NORTHEAST LATE IN THE EVENING, THEN  
SHIFTING TO THE EAST OVERNIGHT SHIFTING TO THE  
SOUTHEAST 3 TO 4 METERS/SECOND AFTER 3 AM.  
DISPERSION INDEX....16 DECREASING TO 6.  
LVORI...............4.  
STABILITY CLASS.....4.  
 
TIME (CDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM  
SKY (%).........40 60 45 49 53 53 54 54 60 66 72 74  
WEATHER COV.....LKY LKY LKY LKY LKY LKY LKY LKY LKY LKY LKY LKY  
WEATHER TYPE....RW RW RW RW RW RW RW RW RW RW RW RW  
TSTM COV........LKY LKY LKY LKY CHC CHC CHC CHC CHC CHC LKY LKY  
CHC OF PCPN (%).60 60 60 60 60 60 60 70 70 70 70 70  
TEMP............87 87 84 83 84 84 84 83 82 81 81 80  
RH..............72 72 80 82 80 80 82 85 88 88 88 91  
20 FT WIND DIR..W WSW NW N NE NE ENE E E E E E  
20 FT WIND SPD..6 6 5 5 5 5 6 6 6 7 7 7  
20 FT WIND GUST.9 9 8 8 8 8 9 9 9 10 10 10  
MIX HGT (KFT)...1.9 2.2 1.7 1.7 1.7 1.6 1.5 1.5 1.6 1.6 1.6 1.6  
MIX HGT (KM)....0.6 0.7 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5  
TRANSP WIND DIR.WNW WNW NW N NE ENE E E ESE SSE SSE SSE  
TRANSP WIND SPD.6 6 7 7 6 6 7 7 7 7 7 8  
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 5 5 7 7 8  
LVORI...........3 4 4 4 5 5 5 5 5 5 5 5  
 
 
FORECASTER...7  
REQUESTED BY...SAMI GRAY  
TYPE OF REQUEST...WILDFIRE  
.TAG 2518997.3/MOB  
.DELDT 08/02/25  
.FORMATTERVERSION 2.0.0  
.EMAIL SAMI_GRAY@FWS.GOV,MELANIE_DOLAN@FWS.GOV,DAVID_STOESZ@FWS.GOV  
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