FNUS74 KLCH 192117 FWSLCH SPOT FORECAST FOR POWERLINE FIRE...TEXAS FOREST SERVICE NATIONAL WEATHER SERVICE LAKE CHARLES LA 417 PM CDT SUN JUN 19 2011 IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. .DISCUSSION... WARM AND BREEZY CONDITIONS ARE EXPECTED ON MONDAY...WITH INCREASING CLOUD COVER AS A SURGE OF TROPICAL MOISTURE BEGINS TO STREAM INTO THE REGION. ONLY A SLIGHT CHANCE OF A SHOWER OR THUNDERSTORM IS EXPECTED ON MONDAY...BUT THIS WILL CHANGE TUESDAY AND WEDNESDAY AS TROPICAL MOISTURE CONTINUES TO INCREASE AND AN UPPER LEVEL TROUGH APPROACHES FROM THE WEST. TOTAL TWO DAY RAINFALL TOTALS TUESDAY AND WEDNESDAY WILL AVERAGE AROUND 1 INCH...WHICH WHILE BADLY NEEDED...WILL PUT ONLY A SMALL DENT IN OUR ONGOING DROUGHT. .SATURDAY... SKY/WEATHER.........SUNNY (5-15 PERCENT). MAX TEMPERATURE.....AROUND 100. MIN HUMIDITY........36 PERCENT. EYE LEVEL WINDS.....SOUTH WINDS AROUND 14 MPH. HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. MIXING HEIGHT.......5900-7300 FT AGL. MIXING WINDS........SOUTH 23 TO 24 MPH. WIND (20 FT)........ SLOPE/VALLEY.......SOUTH WINDS AROUND 14 MPH WITH GUSTS TO AROUND 25 MPH. TIME (CDT) 5PM 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM SKY (%).........11 11 10 11 13 14 16 19 22 24 27 29 WEATHER COV..... WEATHER TYPE.... TEMP............100 99 97 93 89 87 85 83 82 81 80 79 RH..............36 37 39 46 54 59 65 70 74 79 82 85 20 FT WIND DIR..S S S S S S S S S S S S 20 FT WIND SPD..14 14 14 13 12 12 9 9 9 9 9 9 20 FT WIND GUST.25 25 20 20 20 20 15 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.10 10 10 10 9 9 7 6 6 6 6 6 EYE LVL WND GST.25 25 20 20 20 20 15 10 10 10 10 10 MIX HGT (KFT)...7.3 5.9 4.5 3.6 2.7 1.7 1.5 1.2 1.0 1.0 0.9 0.9 MIX HGT (KM)....2.2 1.8 1.4 1.1 0.8 0.5 0.5 0.4 0.3 0.3 0.3 0.3 TRANSP WIND DIR.S S S S S S S S S S S S TRANSP WIND SPD.23 24 24 24 23 22 20 16 14 14 14 14 TRANS SPD (M/S).10 11 11 11 10 10 9 7 6 6 6 6 HAINES INDEX....5 5 5 5 5 5 5 5 5 5 5 5 .SATURDAY NIGHT... SKY/WEATHER.........MOSTLY CLEAR (15-25 PERCENT). MIN TEMPERATURE.....AROUND 78. MAX HUMIDITY........91 PERCENT. EYE LEVEL WINDS.....SOUTH WINDS 7 TO 14 MPH. HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. MIXING HEIGHT.......2700-4500 FT AGL DECREASING TO 900-1700 FT AGL IN THE LATE EVENING AND OVERNIGHT. MIXING WINDS........SOUTH 16 TO 24 MPH DECREASING TO 12 TO 14 MPH AFTER MIDNIGHT. WIND (20 FT)........ SLOPE/VALLEY.......SOUTH WINDS 7 TO 14 MPH. .TODAY... SKY/WEATHER.........MOSTLY SUNNY (25-35 PERCENT). MAX TEMPERATURE.....AROUND 99. MIN HUMIDITY........33 PERCENT. EYE LEVEL WINDS.....SOUTH WINDS 9 TO 14 MPH. HAINES INDEX........4 TO 5 OR OR LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH TO OR MODERATE POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. MIXING HEIGHT.......1200-3100 FT AGL INCREASING TO 4000-5900 FT AGL LATE IN THE MORNING...THEN INCREASING TO 6800-8000 FT AGL IN THE AFTERNOON DECREASING TO 6000 FT AGL LATE IN THE AFTERNOON. MIXING WINDS........SOUTH 18 TO 23 MPH. WIND (20 FT)........ SLOPE/VALLEY.......SOUTH WINDS 9 TO 14 MPH. GUSTS UP TO 25 MPH EARLY IN THE MORNING. $$ FORECASTER...LANDRENEAU/DEAL REQUESTED BY...DISPATCHER TYPE OF REQUEST...WILDFIRE .TAG 20110619.POWER.01/LCH