FNUS74 KLIX 281708 FWSLIX SPOT FORECAST FOR DEEPWATER HORIZON...NWS NATIONAL WEATHER SERVICE NEW ORLEANS LA 1208 PM CDT WED APR 28 2010 IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. .DISCUSSION... 1600Z RUC13 MODEL RUN FOR SPOT LOCATION.../NO CHANGE ON TEMPERATURE PROFILE AND INVERSION INFO/ DRY LAPSE RATE UP TO 3350 FT AT 15Z TO LIFT TO 4100FT BY 16Z AND LEVEL OFF THROUGH AFTERNOON. INVERSION BASE TEMP 9C...NOSE TEMP 10C AT 8400FT AT 16Z STREGTHENING TO 14C AND LOWERING TO 6500FT BY 19Z...CAP STRENGTH 1C INCREASING TO 4C BY 19Z. WIND FIELDS SHOW SURFACE WINDS TO GO NEAR CALM AT 29/00Z AT LOCATION WITH E/SE TRAJECTORY ONSETTING INTO LA COASTAL AREAS AFTER THAT TIME. RUC13 SOUNDING PROFILE WINDS SHOW SE 5KT TO 1900FT...NE 10-15 KT TO 4100FT...N/NW 15-20KT TO 7600FT...NW 20-25KT TO 11KFT THEN W 30 TO 50KT TO 25KFT...50-100KT ABOVE 25KFT. AT NOON AM CDT...1019MB HIGH STILL SITUATED OVER THE GULF COAST INTO THE NORTH GULF OF MEXICO. RUC13 MODEL SHOWS 1018MB BUBBLE BREAKING OFF SOUTH OF SPOT LOCATION TO ALLOW WINDS TO ABATE TO 5KT OR LESS OVER BURN AREA BETWEEN 18Z AND 21Z. THEN WINDS BECOME SE 5 KT AND SLOWL INCREASING THROUGH THIS EVENING AS PRESSURE GRADIENT ESTABLISHES AN ONSHORE FLOW REGIME. AVIATION...VFR CAVU FROM COAST LINE NORTH. VFR CAVOK HIGH CIRRUS BASED SCT-BKN250 FROM COAST SOUTH. .REST OF TODAY... TIME (CDT) 10A 11A 12P 1PM 2PM 3PM 4PM 5PM SKY (%).........4 11 38 46 46 45 45 38 WEATHER COV..... WEATHER TYPE.... TEMP............68 68 68 68 68 68 68 68 RH..............51 51 57 57 57 57 57 57 20 FT WIND DIR..E E E E E E E E 20 FT WIND SPD..6 6 5 4 3 2 2 3 20 FT WIND GUST.10 10 10 5 5 5 5 5 MIX HGT (KFT)...2.8 2.8 2.8 3.7 3.7 3.7 3.6 3.6 MIX HGT (KM)....0.9 0.9 0.9 1.1 1.1 1.1 1.1 1.1 TRANSP WIND DIR.NE NE NE E E E SE SE TRANSP WIND SPD.6 6 6 5 5 5 6 6 TRANS SPD (M/S).3 3 3 2 2 2 3 3 CHC OF PCPN (%).0 0 0 0 0 0 0 0 SEAS............3 3 3 2 2 2 2 2 SEA STATE.......LIGHT CHOP BECOMING SMOOTH .TONIGHT... TIME (CDT) 6 PM 8 PM 10 PM MIDNGT 2 AM 4 AM SKY (%).........22 15 15 15 20 20 WEATHER COV..... WEATHER TYPE....NONE NONE NONE NONE NONE NONE TEMP............68 68 67 65 64 64 RH..............59 59 63 70 73 73 20 FT WIND......SE 4 SE 5 SE 5 SE 6 SE 6 SE 6 20 FT WIND GUST.5 10 10 10 10 10 MIX HGT (FT)....3600 2700 2500 2500 2400 2200 MIX HGT (M).....1100 820 760 760 730 670 TRANSPORT WIND..SE 6 SE 7 SE 10 SE 10 SE 12 SE 13 TRAN WIND (M/S).SE 6 SE 7 SE 10 SE 10 SE 12 SE 13 CHC OF PCPN (%).0 0 0 0 0 0 SEAS............2 1 1 1 2 2 SEA STATE.......SMOOTH .THURSDAY... TIME (CDT) 6 AM 8 AM 10 AM NOON 2 PM 4 PM SKY (%).........20 20 20 20 45 45 WEATHER COV..... WEATHER TYPE....NONE NONE NONE NONE NONE NONE TEMP............64 66 70 74 75 75 RH..............78 78 71 66 66 66 20 FT WIND......SE 8 SE 10 SE 11 SE 13 SE 13 SE 14 20 FT WIND GUST.15 20 25 25 25 25 MIX HGT (FT)....2200 2100 2000 2000 2200 2400 MIX HGT (M).....670 640 610 610 670 730 TRANSPORT WIND..SE 13 SE 16 SE 18 SE 18 SE 23 SE 24 TRAN WIND (M/S).SE 13 SE 16 SE 18 SE 18 SE 23 SE 24 CHC OF PCPN (%).0 10 10 10 10 10 SEAS............2 4 4 4 4 4 SEA STATE.......LIGHT CHOP BECOMING CHOPPY $$ FORECASTER...NWS NEW ORLEANS/24 REQUESTED BY...TIM ERICKSON TYPE OF REQUEST...HAZMAT .TAG 20100428.DEEPW.05/LIX