FNUS74 KLCH 202051 FWSLCH SPOT FORECAST FOR PINES FIRE...USFWS NATIONAL WEATHER SERVICE LAKE CHARLES LA 351 PM CDT THU MAY 20 2010 IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. .DISCUSSION... THUNDERSTORMS THIS AFTERNOON ARE FIRING ALONG AN OUTFLOW BOUNDARY THAT IS SLOWLY MOVING DOWN INTO CENTRAL LOUISIANA. RADAR IS INDICATING ISOLATED STORMS IN SOUTHERN LOUISIANA RACING NORTHWARD AS THE PRESSURE GRADIENT TIGHTEN OVER THE REGION. ALL THIS ACTIVITY WILL DRAW TO A CLOSE AFTER SUNSET. NOW FOR THE BAD NEWS AFTER TONIGHT RIDGING ALOFT WILL TAKE HOLD AND WE ARE EXPECTING ANY MORE SHOWERS OR THUNDERSTORMS UNTIL MAYBE THE MIDDLE OF NEXT WEEK. AFTERNOON TEMPERATURES WILL HOVER AROUND 90 WITH PAN EVAPORATION RATES AT .25 INCHES PER DAY. THIS WILL MEAN THAT DROUGHT CONDITIONS WILL CONTINUE TO GRIP OUR REGION. .REST OF TODAY... SKY/WEATHER.........MOSTLY SUNNY (40-50 PERCENT). CHANCE OF SHOWERS AND THUNDERSTORMS. MAX TEMPERATURE.....AROUND 86. MIN HUMIDITY........61 PERCENT. WIND (EYE LEVEL)....SOUTH WINDS 9 TO 10 MPH. HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. MIXING HEIGHT.......3900-5700 FT AGL. MIXING WINDS........SOUTH 18 TO 21 MPH. WIND (20 FT)........ LWR SLP/VALLEY.....SOUTH WINDS 9 TO 10 MPH. GUSTY AND ERRATIC WINDS EXPECTED NEAR THUNDERSTORMS. TIME (CDT) 4PM 5PM 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM SKY (%).........40 42 46 48 49 52 54 56 59 60 60 61 WEATHER COV.....CHC CHC CHC WEATHER TYPE....TSM TSM TSM TEMP............85 85 84 83 81 79 78 77 77 76 76 76 RH..............61 61 63 68 73 77 81 83 85 86 88 89 20 FT WIND DIR..S S S S S S S S S S S S 20 FT WIND SPD..9 8 8 8 8 8 8 8 8 8 7 7 20 FT WIND GUST.15 15 15 15 15 15 15 15 15 15 15 15 EYE LVL WND DIR.S S S S S S S S S S S S EYE LVL WND SPD.9 8 8 8 8 8 8 8 8 8 7 7 EYE LVL WND GST.15 15 15 15 15 15 15 15 15 15 15 15 MIX HGT (KFT)...5.7 4.9 3.9 2.9 2.1 1.4 1.0 0.8 0.7 0.8 0.6 0.5 MIX HGT (KM)....1.7 1.5 1.2 0.9 0.6 0.4 0.3 0.2 0.2 0.2 0.2 0.2 TRANSP WIND DIR.S S S S S S S S S S S S TRANSP WIND SPD.21 20 18 17 17 16 16 15 14 13 12 12 TRANS SPD (M/S).9 9 8 8 8 7 7 7 6 6 5 5 HAINES INDEX....4 4 4 4 4 4 4 4 4 4 4 3 .TONIGHT... SKY/WEATHER.........PARTLY CLOUDY (45-55 PERCENT) THEN BECOMING MOSTLY CLOUDY (50-60 PERCENT). MIN TEMPERATURE.....AROUND 74. MAX HUMIDITY........91 PERCENT. WIND (EYE LEVEL)....SOUTH WINDS 5 TO 9 MPH UNTIL EARLY MORNING BECOMING LIGHT. HAINES INDEX........2 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.......1000-2900 FT AGL DECREASING TO 200-800 FT AGL IN THE LATE EVENING AND OVERNIGHT. MIXING WINDS........SOUTH 12 TO 17 MPH. WIND (20 FT)........ LWR SLP/VALLEY.....SOUTH WINDS 5 TO 9 MPH UNTIL EARLY MORNING BECOMING LIGHT. .FRIDAY... SKY/WEATHER.........PARTLY SUNNY (50-60 PERCENT). MAX TEMPERATURE.....AROUND 89. MIN HUMIDITY........58 PERCENT. WIND (EYE LEVEL)....LIGHT WINDS BECOMING SOUTH 5 TO 9 MPH. HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. MIXING HEIGHT.......600-1900 FT AGL INCREASING TO 3700-5500 FT AGL EARLY IN THE MORNING. MIXING WINDS........SOUTH 12 TO 14 MPH. WIND (20 FT)........ LWR SLP/VALLEY.....LIGHT WINDS BECOMING SOUTH 5 TO 9 MPH. $$ FORECASTER...KUYPER/GRIFFIN REQUESTED BY...MATTHEW JOHNSON TYPE OF REQUEST...WILDFIRE .TAG 20100520.PINES.01/LCH