FNUS74 KLCH 061127 FWSLCH SPOT FORECAST FOR SAND GNAT...USFWS NATIONAL WEATHER SERVICE LAKE CHARLES LA 627 AM CDT FRI AUG 6 2010 IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. .DISCUSSION...A WEAKNESS IN THE UPPER LEVEL RIDGE WILL ALLOW AMPLE TROPICAL MOISTURE TO SERVE AS FUEL FOR SCATTERED THUNDERSTORMS OVER THE NEXT COUPLE OF DAYS. A REBUILDING OF THAT RIDGE BY SUNDAY WILL BRING BACK SOME OF THE HEAT WE'VE BECOME ACCUSTOMED TO BUT NOT QUITE AS EXCESSIVE AS RECENTLY EXPERIENCED NEXT WEEK. DRIER CONDITIONS WILL ALSO RETURN. .TODAY... SKY/WEATHER.........CLOUDY (95-100 PERCENT). CHANCE OF SHOWERS AND THUNDERSTORMS. MAX TEMPERATURE.....AROUND 89. MIN HUMIDITY........63 PERCENT. WIND (EYE LEVEL)....WEST WINDS 5 TO 6 MPH EARLY IN THE MORNING BECOMING LIGHT...THEN BECOMING SOUTHWEST 5 TO 8 MPH IN THE AFTERNOON. HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. MIXING HEIGHT.......2300-4200 FT AGL INCREASING TO 4100-4600 FT AGL IN THE AFTERNOON. MIXING WINDS........SOUTHWEST 5 TO 13 MPH. WIND (20 FT)........ LWR SLP/VALLEY.....WEST WINDS 5 TO 6 MPH EARLY IN THE MORNING BECOMING LIGHT...THEN BECOMING SOUTHWEST 5 TO 8 MPH IN THE AFTERNOON. GUSTY AND ERRATIC WINDS EXPECTED NEAR THUNDERSTORMS. TIME (CDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM SKY (%).........100 100 100 100 100 100 100 100 100 100 100 99 WEATHER COV.....CHC CHC CHC CHC CHC CHC CHC CHC CHC CHC CHC CHC WEATHER TYPE....TSM TSM TSM TSM TSM TSM TSM TSM TSM TSM TSM TSM TEMP............81 82 84 86 87 87 88 88 88 88 88 88 RH..............85 85 82 77 73 68 67 63 63 63 66 68 20 FT WIND DIR..W W W W SW SW SW SW SW SW SW SW 20 FT WIND SPD..5 5 5 4 4 3 3 4 4 5 6 6 20 FT WIND GUST.10 10 10 5 5 5 5 5 5 10 10 10 EYE LVL WND DIR.W W W W SW SW SW SW SW SW SW SW EYE LVL WND SPD.5 5 5 4 4 3 3 4 4 5 6 6 EYE LVL WND GST.10 10 10 5 5 5 5 5 5 10 10 10 MIX HGT (KFT)...2.3 2.7 3.1 3.8 4.0 4.2 4.4 4.4 4.6 4.6 4.4 4.3 MIX HGT (KM)....0.7 0.8 0.9 1.2 1.2 1.3 1.3 1.3 1.4 1.4 1.3 1.3 TRANSP WIND DIR.W W W W W W W W SW SW SW SW TRANSP WIND SPD.13 13 12 10 8 7 6 5 5 6 6 7 TRANS SPD (M/S).6 6 5 4 4 3 3 2 2 3 3 3 HAINES INDEX....2 2 2 2 2 2 2 2 2 2 2 2 .TONIGHT... SKY/WEATHER.........MOSTLY CLOUDY (75-85 PERCENT). MIN TEMPERATURE.....AROUND 78. MAX HUMIDITY........91 PERCENT. WIND (EYE LEVEL)....SOUTHWEST WINDS 6 TO 9 MPH. HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. MIXING HEIGHT.......2200-3700 FT AGL. MIXING WINDS........SOUTHWEST 8 TO 14 MPH. WIND (20 FT)........ LWR SLP/VALLEY.....SOUTHWEST WINDS 6 TO 9 MPH. GUSTY AND ERRATIC WINDS EXPECTED NEAR THUNDERSTORMS. .SATURDAY... SKY/WEATHER.........MOSTLY CLOUDY (80-90 PERCENT). CHANCE OF SHOWERS AND THUNDERSTORMS. MAX TEMPERATURE.....AROUND 88. MIN HUMIDITY........67 PERCENT. WIND (EYE LEVEL)....SOUTH WINDS 6 TO 9 MPH. HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. MIXING HEIGHT.......2300-4100 FT AGL INCREASING TO 4100-4500 FT AGL LATE IN THE MORNING. MIXING WINDS........SOUTH 8 TO 14 MPH. WIND (20 FT)........ LWR SLP/VALLEY.....SOUTH WINDS 6 TO 9 MPH. GUSTY AND ERRATIC WINDS EXPECTED NEAR THUNDERSTORMS. $$ FORECASTER...SWEENEY REQUESTED BY...MATTHEW JOHNSON TYPE OF REQUEST...WILDFIRE .TAG 20100806.SANDG.01/LCH