FNUS74 KLCH 251218 FWSLCH SPOT FORECAST FOR TISON...USFWS NATIONAL WEATHER SERVICE LAKE CHARLES LA 718 AM CDT WED MAY 25 2011 IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. .DISCUSSION... A DOME OF HIGH PRESSURE...SITUATED JUST OFFSHORE GEORGIA...WILL TRAVEL EASTWARD TODAY. IN RESPONSE...PRESSURES WILL FALL ACROSS THE WESTERN UPPER GULF COAST STATES...PERMITTING A WEAK CANADIAN COLD FRONT TO TRAVEL SOUTHWARD AND EASTWARD THROUGH TEXAS. THE TRAVELING (AND DIFFUSING) FRONT WILL SLOW TO A HALT DURING THE OVERNIGHT HOURS ON THURSDAY...RESTING NEAR A CONROE TEXAS-TO-BATON ROUGE LINE AROUND MIDNIGHT FRIDAY. THE DIFFUSING FRONT WASHES OUT ON FRIDAY...AS THE BERMUDA HIGH PRESSURE SYSTEM RE-ESTABLISHES ITSELF ACROSS THE GULF OF MEXICO. ADDITIONAL INFO...SOUTHERLY WINDS SHOULD CONTINUE OVER THE NEXT WEEK. .TODAY... SKY/WEATHER.........PARTLY SUNNY (50-60 PERCENT). MAX TEMPERATURE.....AROUND 88. MIN HUMIDITY........64 PERCENT. EYE LEVEL WINDS.....SOUTH WINDS 9 TO 16 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.......1100-2900 FT AGL INCREASING TO 2000-3600 FT AGL LATE IN THE MORNING. MIXING WINDS........SOUTH 21 TO 30 MPH. WIND (20 FT)........ SLOPE/VALLEY.......SOUTH WINDS 9 TO 16 MPH. TIME (CDT) 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM 6PM SKY (%).........70 70 63 60 57 51 51 51 48 46 45 42 WEATHER COV..... WEATHER TYPE.... TEMP............76 78 81 83 84 86 87 87 87 87 87 86 RH..............86 82 76 73 70 68 67 66 65 64 65 67 20 FT WIND DIR..S S S S S S S S S S S S 20 FT WIND SPD..7 8 10 12 14 14 14 14 14 13 11 10 20 FT WIND GUST.15 15 20 20 25 25 25 25 25 25 20 20 EYE LVL WND DIR.S S S S S S S S S S S S EYE LVL WND SPD.7 8 10 12 14 14 14 14 14 13 11 10 EYE LVL WND GST.15 15 20 20 25 25 25 25 25 25 20 20 MIX HGT (KFT)...1.1 1.6 2.0 2.5 2.9 3.2 3.6 3.3 3.1 2.8 2.4 2.0 MIX HGT (KM)....0.3 0.5 0.6 0.8 0.9 1.0 1.1 1.0 0.9 0.9 0.7 0.6 TRANSP WIND DIR.S S S S S S S S S S S S TRANSP WIND SPD.21 23 25 28 29 29 29 30 30 30 29 26 TRANS SPD (M/S).9 10 11 13 13 13 13 13 13 13 13 12 HAINES INDEX....4 4 4 5 5 5 5 5 5 5 5 5 .TONIGHT... SKY/WEATHER.........PARTLY CLOUDY (35-45 PERCENT) THEN BECOMING MOSTLY CLOUDY (60-70 PERCENT). MIN TEMPERATURE.....AROUND 75. MAX HUMIDITY........93 PERCENT. EYE LEVEL WINDS.....SOUTHWEST WINDS 5 TO 12 MPH IN THE EVENING BECOMING LIGHT...THEN BECOMING SOUTHWEST AROUND 5 MPH EARLY IN THE MORNING. HAINES INDEX........3 TO 5 OR OR VERY LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH TO OR MODERATE POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. MIXING HEIGHT.......1300-1700 FT AGL. MIXING WINDS........SOUTH 15 TO 24 MPH SHIFTING TO THE SOUTHWEST 10 TO 13 MPH AFTER MIDNIGHT. WIND (20 FT)........ SLOPE/VALLEY.......SOUTHWEST WINDS 5 TO 12 MPH IN THE EVENING BECOMING LIGHT...THEN BECOMING SOUTHWEST AROUND 5 MPH EARLY IN THE MORNING. .THURSDAY... SKY/WEATHER.........PARTLY SUNNY (45-55 PERCENT) THEN BECOMING SUNNY (20-30 PERCENT). MAX TEMPERATURE.....AROUND 86. MIN HUMIDITY........61 PERCENT. EYE LEVEL WINDS.....SOUTHWEST WINDS 5 TO 9 MPH. HAINES INDEX........3 TO 5 OR OR VERY LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH TO OR MODERATE POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. MIXING HEIGHT.......1500-2800 FT AGL. MIXING WINDS........SOUTH 6 TO 14 MPH. WIND (20 FT)........ SLOPE/VALLEY.......SOUTHWEST WINDS 5 TO 9 MPH. $$ FORECASTER...SWEENEY REQUESTED BY...GATOR SMITH TYPE OF REQUEST...WILDFIRE .TAG 20110525.TISON.01/LCH