FNUS74 KLCH 082038 FWSLCH SPOT FORECAST FOR BACKRIDGE12 FIRE...USFWS NATIONAL WEATHER SERVICE LAKE CHARLES LA 338 PM CDT WED AUG 8 2012 IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. .DISCUSSION... WEAK FLOW THROUGH THE ATMOSPHERE WILL RESULT IN WIDELY SCATTERED SHOWERS AND THUNDERSTORMS. ACTIVITY WILL DIMINISH SHORTLY AFTER SUNSET. WINDS WILL BE UNDER 10 MPH OUT OF THE SOUTH. .TODAY... SKY/WEATHER.........PARTLY SUNNY (50-60 PERCENT). SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS IN THE MORNING...THEN CHANCE OF SHOWERS AND THUNDERSTORMS IN THE AFTERNOON. MAX TEMPERATURE.....AROUND 91. MIN HUMIDITY........56 PERCENT. EYE LEVEL WINDS.....LIGHT WINDS BECOMING SOUTH 5 TO 8 MPH LATE IN THE AFTERNOON. HAINES INDEX........2 TO 3 OR OR VERY LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. MIXING HEIGHT.......1800-3700 FT AGL INCREASING TO 4100-5900 FT AGL IN THE LATE MORNING AND AFTERNOON. MIXING WINDS........SOUTHEAST 5 TO 7 MPH. WIND (20 FT)........ SLOPE/VALLEY.......LIGHT WINDS BECOMING SOUTH 5 TO 8 MPH LATE IN THE AFTERNOON. GUSTY AND ERRATIC WINDS EXPECTED NEAR THUNDERSTORMS. TIME (CDT) 3PM 4PM 5PM 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM SKY (%).........51 43 41 38 35 35 35 37 39 40 44 48 WEATHER COV.....CHC CHC CHC CHC SCH SCH SCH SCH SCH SCH SCH SCH WEATHER TYPE....TSM TSM TSM TSM TSM TSM TSM TSM TSM TSM TSM TSM TEMP............90 90 89 88 87 85 83 82 81 81 80 80 RH..............60 61 63 66 73 77 82 84 85 87 87 88 20 FT WIND DIR..S S S S S S S S S S S SW 20 FT WIND SPD..5 6 8 9 9 9 9 9 9 9 8 7 20 FT WIND GUST.10 10 10 10 10 10 10 10 10 10 10 10 EYE LVL WND DIR.S S S S S S S S S S S S EYE LVL WND SPD.4 5 5 5 5 5 5 5 5 5 5 5 EYE LVL WND GST.10 10 10 10 10 10 10 10 10 10 10 10 MIX HGT (KFT)...5.2 5.0 4.5 4.1 3.7 2.6 1.5 1.0 1.5 2.1 2.1 1.9 MIX HGT (KM)....1.6 1.5 1.4 1.2 1.1 0.8 0.5 0.3 0.5 0.6 0.6 0.6 TRANSP WIND DIR.SE SE S S S S S S S S S S TRANSP WIND SPD.7 7 7 8 8 9 9 10 10 12 12 10 TRANS SPD (M/S).3 3 3 4 4 4 4 4 4 5 5 4 HAINES INDEX....3 3 3 4 4 4 4 4 4 4 4 4 .TONIGHT... SKY/WEATHER.........PARTLY CLOUDY (35-45 PERCENT) THEN BECOMING MOSTLY CLOUDY (50-60 PERCENT). SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS. MIN TEMPERATURE.....AROUND 78. MAX HUMIDITY........91 PERCENT. EYE LEVEL WINDS.....WEST WINDS 5 TO 9 MPH. HAINES INDEX........3 TO 4 OR OR VERY LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH TO OR LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. MIXING HEIGHT.......2600-3700 FT AGL DECREASING TO 400-2100 FT AGL EARLY IN THE EVENING...THEN INCREASING TO 2500 FT AGL EARLY IN THE MORNING. MIXING WINDS........SOUTHWEST 8 TO 12 MPH. WIND (20 FT)........ SLOPE/VALLEY.......WEST WINDS 5 TO 9 MPH. GUSTY AND ERRATIC WINDS EXPECTED NEAR THUNDERSTORMS. .THURSDAY... SKY/WEATHER.........MOSTLY SUNNY (45-55 PERCENT). CHANCE OF SHOWERS AND THUNDERSTORMS. MAX TEMPERATURE.....AROUND 91. MIN HUMIDITY........61 PERCENT. EYE LEVEL WINDS.....SOUTHWEST WINDS 5 TO 9 MPH. HAINES INDEX........3 TO 4 OR OR VERY LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH TO OR LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. MIXING HEIGHT.......3000-4300 FT AGL INCREASING TO 4100-5900 FT AGL IN THE LATE MORNING AND AFTERNOON. MIXING WINDS........SOUTHWEST 9 TO 13 MPH. WIND (20 FT)........ SLOPE/VALLEY.......SOUTHWEST WINDS 5 TO 9 MPH. GUSTY AND ERRATIC WINDS EXPECTED NEAR THUNDERSTORMS. $$ FORECASTER...JONES REQUESTED BY...LARRY GATOR SMITH TYPE OF REQUEST...WILDFIRE .TAG 20120808.BACKR.01/LCH