FNUS74 KLIX 051231 FWSLIX SPOT FORECAST FOR CPT G-12...U.S. FISH AND WILDLIFE SERVICE NATIONAL WEATHER SERVICE NEW ORLEANS LA 731 AM CDT FRI JUN 5 2009 IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. .DISCUSSION...OVERALL...A LOW PRESSURE SYSTEM TO THE EAST OF THE REGION WILL CONTINUE TO PULL AWAY TODAY INTO TONIGHT...ALLOWING A BROAD AREA OF HIGH PRESSRUE TO BUILD IN FROM THE WEST. THE COMBINATION OF THESE SYSTEMS SHOULD ALLOW FOR NORTHERLY FLOW TODAY INTO EARLY TONIGHT...WHICH SHOULD KEEP THE SMOKE PLUME AWAY THE INTERSTATE. SKY COVER CONCERNS: THE TREND WILL BE FOR THE OVERCAST SKIES TO BEGIN TO CLEAR BY MID-MORNING AS DRIER AIR CONTINUES TO WORK IN AND AN ELEVATED INVERSION AT AROUND 2000 FEET DISSIPATES. HOWEVER...SKIES WILL NOT GET TO AROUND 30% COVERAGE UNTIL MID-AFTERNOON. CLEAR SKIES WILL TAKE HOLD BY TONIGHT AS A SURFACE RIDGE SETTLES OVER THE AREA AND SINKING AIR LIMITS CLOUD FORMATION. WIND CONCERNS: BEFORE A SURFACE RIDGE BUILDS IN...PERSISTENT NORTHERLY FLOW WILL CONTINUE TODAY INTO EARLY TONIGHT...AS STRONG WINDS ALOFT REMAIN IN PLACE DUE TO THE CLOSE PROXIMITY OF A SURFACE LOW OVER THE FLORIDA PANHANDLE. BASED OFF THE 12Z SOUNDING...WIND GUSTS TO AROUND 15 MPH WILL BE POSSIBLE THROUGH EARLY THIS EVENING. THE PEAK TIME FOR STRONGER GUSTS WILL BE IN THE AFTERNOON HOURS. WINDS WILL WEAKEN LATE TONIGHT AS THE SURFACE LOW PULLS AWAY... THE SURFACE RIDGE BUILDS IN...AND WINDS ALOFT BECOME LIGHTER. GOING INTO TOMORROW...THESE WEAKER WINDS ALOFT COMBINED WITH A DECENT TEMPERATURE GRADIENT BETWEEN THE NEARSHORE WATERS AND LAND SHOULD ALLOW A WEAK SEABREEZE TO DEVELOP IN THE LATE MORNING OR EARLY AFTERNOON HOURS. RH AND FOG CONCERNS: FOG POTENTIAL TONIGHT IS VERY LOW. THE COMBINATION OF AN UNUSUALLY DRY AIRMASS MOVING IN TODAY AND TONIGHT...COMBINED WITH CONTINUED STRONGER WINDS ALOFT WILL LIMIT FOG FORMATION. ALTHOUGH RH VALUES WILL BE HIGH OVERNIGHT...DEW WILL BE THE MOST LIKELY EVENT TO DEVELOP. THERE IS NO PROSPECT OF RH VALUES DROPPING BELOW 28% TODAY OR TOMORROW BASED ON THE AIRMASS CURRENTLY MOVING INTO THE REGION. WORST CASE SCENARIO WOULD SEE RH VALUES FALLING INTO THE UPPER 30% RANGE TOMORROW AFTERNOON...BUT THAT DOES NOT LOOK LIKELY AT THIS TIME. .TODAY... TIME (CDT) 10 AM NOON 2 PM 4 PM SKY (%).........58 58 40 31 WEATHER COV..... WEATHER TYPE....NONE NONE NONE NONE TEMP............78 82 83 83 RH..............62 53 51 53 20 FT WIND......N 6 N 6 N 6 N 6 20 FT WIND GUST.10 10 10 10 MIX HGT (FT-AGL)2900 2900 5200 5400 MIX HGT (M-AGL).880 880 1580 1650 TRAN WIND (MPH).N 13 N 13 N 13 N 13 TRAN WIND (M/S).N 6 N 6 N 6 N 6 CHC OF PCPN (%).10 10 10 10 .TONIGHT... TIME (CDT) 6 PM 8 PM 10 PM MIDNGT 2 AM 4 AM SKY (%).........31 13 13 13 2 2 WEATHER COV..... WEATHER TYPE....NONE NONE NONE NONE NONE NONE TEMP............81 75 69 67 63 60 RH..............56 69 81 84 97 100 20 FT WIND......N 6 N 6 N 5 N 4 N 3 N 2 20 FT WIND GUST.10 10 10 5 5 5 MIX HGT (FT-AGL)5400 4800 1000 1000 700 300 MIX HGT (M-AGL).1650 1460 300 300 210 90 TRAN WIND (MPH).N 13 N 14 N 10 N 10 N 9 N 9 TRAN WIND (M/S).N 6 N 6 N 4 N 4 N 4 N 4 CHC OF PCPN (%).10 0 0 0 0 0 .SATURDAY... TIME (CDT) 6 AM 8 AM 10 AM NOON 2 PM 4 PM SKY (%).........2 0 0 0 0 0 WEATHER COV..... WEATHER TYPE....NONE NONE NONE NONE NONE NONE TEMP............61 68 77 84 87 87 RH..............97 73 56 44 42 45 20 FT WIND......N 2 NW 2 W 3 S 4 S 4 S 3 20 FT WIND GUST.5 5 5 5 5 5 MIX HGT (FT-AGL)300 400 3500 3500 4300 4400 MIX HGT (M-AGL).90 120 1070 1070 1310 1340 TRAN WIND (MPH).N 9 N 10 N 5 N 5 N 2 W 3 TRAN WIND (M/S).N 4 N 4 N 2 N 2 N 1 W 1 CHC OF PCPN (%).0 0 0 0 0 0 $$ FORECASTER...PHIL GRIGSBY REQUESTED BY...SAMI GRAY TYPE OF REQUEST...PRESCRIBED .TAG 20090605.CPTG1.01/LIX