FNUS74 KLCH 081147 FWSLCH SPOT FORECAST FOR SAND GNAT...USFWS NATIONAL WEATHER SERVICE LAKE CHARLES LA 647 AM CDT SUN AUG 8 2010 IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. .DISCUSSION...HOT TEMPERATURES WITH HEAT INDICES RANGING FROM 105 TO 111 DEGREES THIS AFTERNOON AS HIGH PRESSURE REBUILDS. AN EASTERLY WAVE OVER THE GULF WILL PROVIDE RELIEF FROM THE HEAT AND SCATTERED SHOWERS AND THUNDERSTORMS WEDNESDAY THROUGH FRIDAY. HIGH PRESSURE REBUILDING FOR NEXT WEEKEND WILL AGAIN PRODUCE HOT TEMPERATURES AND A LACK OF RAINFALL. .TODAY... SKY/WEATHER.........MOSTLY SUNNY (30-40 PERCENT). SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS IN THE AFTERNOON. MAX TEMPERATURE.....AROUND 92. MIN HUMIDITY........57 PERCENT. WIND (EYE LEVEL)....LIGHT WINDS BECOMING SOUTH 5 TO 8 MPH EARLY IN THE MORNING. HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. MIXING HEIGHT.......2400-4300 FT AGL INCREASING TO 3800-4500 FT AGL IN THE AFTERNOON. MIXING WINDS........SOUTH 7 TO 10 MPH. WIND (20 FT)........ LWR SLP/VALLEY.....LIGHT WINDS BECOMING SOUTH 5 TO 8 MPH EARLY IN THE MORNING. GUSTY AND ERRATIC WINDS EXPECTED NEAR THUNDERSTORMS IN THE AFTERNOON. TIME (CDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM SKY (%).........58 58 58 58 58 57 57 57 52 42 32 21 WEATHER COV..... SCH SCH SCH SCH SCH SCH WEATHER TYPE.... TSM TSM TSM TSM TSM TSM TEMP............81 83 85 87 89 90 91 91 91 91 91 91 RH..............83 83 78 72 67 64 60 58 57 57 59 63 20 FT WIND DIR..W W SW SW SW S S S S S S S 20 FT WIND SPD..3 3 4 4 5 5 5 5 6 6 6 6 20 FT WIND GUST.5 5 5 5 10 10 10 10 10 10 10 10 EYE LVL WND DIR.W W SW SW SW S S S S S S S EYE LVL WND SPD.3 3 4 4 5 5 5 5 6 6 6 6 EYE LVL WND GST.5 5 5 5 10 10 10 10 10 10 10 10 MIX HGT (KFT)...2.4 2.8 3.3 3.7 4.1 4.3 4.5 4.5 4.4 4.4 4.3 4.2 MIX HGT (KM)....0.7 0.9 1.0 1.1 1.2 1.3 1.4 1.4 1.3 1.3 1.3 1.3 TRANSP WIND DIR.SW SW SW SW S S S S S S S S TRANSP WIND SPD.8 8 8 7 7 7 7 7 8 9 10 10 TRANS SPD (M/S).4 4 4 3 3 3 3 3 4 4 4 4 HAINES INDEX....3 3 3 3 3 3 3 3 3 3 3 3 .TONIGHT... SKY/WEATHER.........MOSTLY CLEAR (15-25 PERCENT). MIN TEMPERATURE.....AROUND 80. MAX HUMIDITY........87 PERCENT. WIND (EYE LEVEL)....SOUTHWEST WINDS 5 TO 8 MPH BECOMING LIGHT. HAINES INDEX........2 TO 3 OR OR VERY LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. MIXING HEIGHT.......2400-3600 FT AGL. MIXING WINDS........SOUTHWEST 10 TO 14 MPH. WIND (20 FT)........ LWR SLP/VALLEY.....SOUTHWEST WINDS 5 TO 8 MPH BECOMING LIGHT. .MONDAY... SKY/WEATHER.........SUNNY (15-25 PERCENT). MAX TEMPERATURE.....AROUND 91. MIN HUMIDITY........61 PERCENT. WIND (EYE LEVEL)....LIGHT WINDS BECOMING SOUTH 5 TO 9 MPH EARLY IN THE MORNING. HAINES INDEX........2 TO 3 OR OR VERY LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. MIXING HEIGHT.......2500-4300 FT AGL. MIXING WINDS........SOUTH 8 TO 14 MPH. WIND (20 FT)........ LWR SLP/VALLEY.....LIGHT WINDS BECOMING SOUTH 5 TO 9 MPH EARLY IN THE MORNING. $$ FORECASTER...SWEENEY REQUESTED BY...JON KING TYPE OF REQUEST...WILDFIRE .TAG 20100808.SANDG.01/LCH