FNUS74 KLIX 182012 FWSLIX SPOT FORECAST FOR DEEPWATER HORIZON...NWS NATIONAL WEATHER SERVICE NEW ORLEANS LA 312 PM CDT TUE MAY 18 2010 IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. .SYNOPSIS... 1011MB LOW LOCATED OVER SOUTHERN OHIO WITH ASSOCIATED COLD FRONT EXTENDING INTO CENTRAL MS...CENTRAL LA AND SOUTHER TX. RELATIVELY FLAT PRESSURE GRADIENT ACROSS NORTHERN GULF OF MEXICO. 1016MB SFC HIGH CENTERED OVER THE NORTHEASTERN GULF AND A WEAK PRESSURE TROUGH STRETCHING DOWN THE EAST COAST AND INTO THE FL PENINSULA FROM A 1009MB SFC LOW OFF THE COAST OF THE CAROLINAS. SFC PRESSURE AT SPOT LOCATION...1014MB. .WATCH/WARNING/ADVISORY SUMMARY... ...SPC DAY1 OUTLOOK...GENERAL NON-SVR TSTMS POSSIBLE TODAY. ...SPC DAY2 OUTLOOK...GENERAL NON-SVR TSTMS POSSIBLE WEDNESDAY. .WIND PROFILE... 20Z RUC13 SOUNDING AT SPOT LOCATION SFC...SE 4KT 1KFT...VAR 2KT 2KFT...VAR 3KT 3KFT...NE 4KT 4KFT...E 3KT 5KFT...SE 5KT MAX WIND...263/50KT 54.1KFT. DRY LAPSE RATE 2100 FT WITH ROUGHLY MOIST LAPSE RATE ABOVE. DRY THROUGH THE COLUMN...P.W. 1.30 IN. .NEARBY GULF ASOS/AWOS OBSERVATIONS... ...KBVE - BOOTHVILLE-VENICE LA ASOS ...KGAO - GALLIANO LA AWOS ...KHSA - STENNIS INTL AP - BAY ST LOUIS MS ...KIPN - INDEPENDENCE 28.1N 87.9W ...KMYT - INNOVATOR 28.2N 89.6W ...KSPR - SHIP SHOAL 28.6N 91.2W ...KMDJ - MS CANYON 28.7N 89.8W ...KDLP - WEST DELTA 29.1N 89.6W METAR KBVE 181951Z AUTO 24007KT 10SM CLR 29/22 A2994 METAR KGAO 182002Z AUTO 21007KT 10SM CLR 31/22 A2993 METAR KHSA 181950Z 24008KT 10SM SCT090 32/19 A2989 METAR KIPN 181955Z AUTO 22004KT 10SM CLR 28/22 A2996 METAR KMYT 181955Z AUTO 00000KT 9SM FEW018 30/23 A2996 METAR KSPR MISG METAR KMDJ MISG .AREAL AVIATION... COASTAL LAND AREAS...VFR SCT030...ISOLD TSRA 19Z-24Z. MARINE AREA BTWN 27-30N/87-90W...SCT015-030...NO SIG WXR. TAF KHUM 181737Z 1818/1918 23006KT P6SM SCT027 FM182000 26006KT P6SM VCTS SCT045CB TEMPO 1821/1901 VRB15KT 2SM TSRA BKN020CB FM190100 23003KT P6SM SCT250 FM191400 14004KT P6SM FEW035= TAF KHSA 181845Z 1818/1918 29005KT P6SM VCTS SCT035CB TEMPO 1819/1823 VRB10G20KT 5SM -TSRA BKN030CB FM190100 VRB02KT P6SM SCT250 FM190600 00000KT 5SM BR SCT250 TEMPO 1910/1912 2SM BR FM191300 VRB03KT P6SM SCT035= AREAL OUTLOOK FOR WEDNESDAY...VFR SCT100. LGT SE WND. AREAL OUTLOOK FOR THURSDAY...VFR SCT200. LGT-MDT SE WND. AREAL OUTLOOK FOR FRIDAY...VFR SCT020. MDT E WND. .RADAR... SHOWERS AND THUNDERSTORMS CONTINUE TO DEVELOP ABOUT 80 MILES SOUTH OF VERMILION BAY AND ARE STILL STATIONARY. SEA BREEZE CONVECTION INCREASING IN COVERAGE ACROSS THE MISSISSIPPI COAST. SOME OF THESE STORMS MAY AFFECT OPERATIONS AT STENNIS. ADDITIONAL CONVECTION CONTINUES ACROSS SOUTHERN MISSISSIPPI. THIS ACTIVITY APPEARS TO BE MOVING GENERALLY IN AN EASTWARD DIRECTION BUT MAY BEGIN TO SAG SOUTHWARD LATER THIS AFTERNOON. CONVECTION ALSO BEGINNING TO DEVEOP ALONG THE SOUTH SHORE OF LAKE PONTCHARTRAIN AND ACROSS THE WESTERN PORTIONS OFTHE RIVER PARISHES. ALL CONVECTION IS AT LEAST 100 MILES FROM THE SPILL SITE AT THIS TIME. .TIDAL INFORMATION... PSTL1 1.76 FT AT 1430 CDT...FORECAST LOW TIDE IS 0.19 FT AT MIDNIGHT CDT. WYCM6 2.28 FT AT 1430 CDT...FORECAST HIGH TIDE IS 2.36 FT AT 1500 CDT. BUOY 42040 WATER TEMP: 81.0F .TODAY... TIME (CDT) 3PM 4PM 5PM SKY (%).........44 44 44 WEATHER COV..... WEATHER TYPE.... TEMP............79 79 78 RH..............77 77 78 20 FT WIND DIR..W W W 20 FT WIND SPD..3 3 3 20 FT WIND GUST.5 5 5 MIX HGT (KFT)...2.0 2.1 2.1 MIX HGT (KM)....0.6 0.6 0.6 TRANSP WIND DIR.W W W TRANSP WIND SPD.10 8 8 TRANS SPD (M/S).4 4 4 CHC OF PCPN (%).10 10 10 SEAS............1 1 1 SEA STATE.......SMOOTH/LT CHOP .TONIGHT... TIME (CDT) 6 PM 8 PM 10 PM MIDNGT 2 AM 4 AM SKY (%).........44 32 32 32 30 30 WEATHER COV..... WEATHER TYPE....NONE NONE NONE NONE NONE NONE TEMP............77 76 76 75 75 75 RH..............79 96 92 96 94 94 20 FT WIND......W 3 W 4 W 5 SW 6 SW 6 SW 5 20 FT WIND GUST.5 5 10 10 10 10 MIX HGT (FT)....2100 1100 1200 1200 1100 1000 MIX HGT (M).....640 340 370 370 340 300 TRANSPORT WIND..W 8 W 12 W 14 W 14 W 14 SW 10 TRAN WIND (M/S).W 8 W 12 W 14 W 14 W 14 SW 10 CHC OF PCPN (%).10 10 10 10 10 10 SEAS............1 2 2 2 2 2 SEA STATE.......SMOOTH................................... .WEDNESDAY... TIME (CDT) 6 AM 8 AM 10 AM NOON 2 PM 4 PM SKY (%).........30 30 30 30 31 31 WEATHER COV..... WEATHER TYPE....NONE NONE NONE NONE NONE NONE TEMP............75 76 78 79 79 78 RH..............94 90 86 82 79 82 20 FT WIND......W 3 SW 3 SW 5 S 5 S 6 S 6 20 FT WIND GUST.5 5 10 10 10 MIX HGT (FT)....1000 1800 1800 1800 1600 1300 MIX HGT (M).....300 550 550 550 490 400 TRANSPORT WIND..SW 10 W 7 W 7 W 7 SW 6 SW 3 TRAN WIND (M/S).SW 10 W 7 W 7 W 7 SW 6 SW 3 CHC OF PCPN (%).10 10 10 10 10 10 SEAS............2 2 2 2 1 1 SEA STATE.......SMOOTH................................... $$ FORECASTER...NWS NEW ORLEANS REQUESTED BY...MIKE EFFERSON TYPE OF REQUEST...HAZMAT .TAG 20100518.DEEPW.11/LIX