FNUS74 KLIX 161439 FWSLIX SPOT FORECAST FOR PORT FOURCHON...NWS NATIONAL WEATHER SERVICE NEW ORLEANS LA 939 AM CDT SUN MAY 16 2010 IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. .SYNOPSIS.... A WEAK TROUGH OF LOW PRESSURE ALONG THE LA COAST IS LIKELY TO BECOME ACTIVATED WITH TSTMS THIS MORNING AS AN UPPER LEVEL DISTURBANCE MOVES E FROM SW LA THIS MORNING INTO THE AFTERNOON. A 5MB GRADIENT WAS ACROSS THE GLFMEX WITH 1018MB ALONG THE W FL COAST...1013MB ON THE TX COAST. PRESSURE OVER PORT FOURCHON IS 1015MB. .WATCH/WARNING/ADVISORY SUMMARY... ...SPC DAY1 OUTLOOK...GENERAL NON-SVR TSTMS EXPECTED TODAY. ...SPC DAY2 OUTLOOK...GENERAL NON-SVR TSTMS EXPECTED MONDAY. ...THUNDERSTORMS ARE EXPECTED TO DEVELOP AND BECOME QUITE NUMEROUS AND STRONG THIS MORNING... THUNDERSTORMS WILL BE POSSIBLE OVER MUCH OF THE DAY. THESE STORMS WILL BE CAPABLE OF FREQUENT TO CONTINUOUS LIGHTNING...WIND GUSTS AROUND 35 KNOTS...LOCALLY ROUGH SEAS DURING STRONGER STORMS AND EVEN A FEW WATERSPOUTS WILL BE POSSIBLE ESPECIALLY UNDER RAPIDLY DEVELOPING STORMS. MARINERS OPERATING IN THE COASTAL WATERS SHOULD BE MINDFUL OF INCLEMENT WEATHER MOVING INTO OR DEVELOPING RAPIDLY OVER THE AREA TODAY. STAY TUNED FOR LATER STATEMENTS AND POSSIBLE MARINE WEATHER WARNINGS TODAY. .NEARBY GULF ASOS/AWOS OBSERVATIONS... ...K9F2 - FOURCHON LA ...KBVE - BOOTHVILLE-VENICE LA ASOS ...KGAO - GALLIANO LA AWOS ...KHUM - HOUMA LA AWOS ...KMDJ - MS CANYON 28.7N 89.8W ...KDLP - WEST DELTA 29.1N 89.6W METAR KBVE 161351Z AUTO 14010KT 10SM FEW044 24/19 A3001 RMK AO2 SLP162 T02390189 TSNO $ METAR KGAO 161402Z AUTO 15009KT 10SM TS SCT001 BKN013 BKN018 27/24 A2999 RMK AO2 LTG DSNT ALQS METAR KHUM 161350Z 20010KT 7SM SCT016 BKN030 OVC070 24/24 A2999 METAR KMDJ MISG METAR KDLP 161415Z AUTO 13010KT 10SM FEW013 SCT018 BKN023 25/22 A3000 RMK A01 .RADAR... A LARGE CLUSTER OF THUNDERSTORMS WERE MOVING EAST AT 16 KT ACROSS SOUTHEASTERN LA AND INTO COASTAL MS. AT 9AM CDT THIS LINE HAS PUSHED EAST OF THE I55 CORRIDOR AND THE ACTIVITY NOW STRETCHES FROM EAST OF MCCOMB DOWN TO THE COAST NEAR GALLIANO. FREQUENT TO CONTINUOUS LIGHTNING...MODERATE TO HEAVY RAIN...AND WIND GUSTS OF UP TO 25 KTS ARE ASSOCIATED WITH THIS LINE. IN ADDITION THERE IS THE POSSIBILITY OF GETTING QUICK WEAK TORNADOES TO SPIN UP ALONG THIS LINE. OTHER ACTIVITY WAS BUILDING SOUTH OF TIMBALIER AND TERREBONNE BAY AND THESE ARE CAPABLE OF LIGHT TO MODERATE RAIN...FREQUENT LIGHTNING AND WIND GUSTS UP TO 30KTS OVER THE WATER. THERE IS AN ADDITIONAL AREAS OF SHOWERS AND EMBEDDED THUNDERSTORMS DEVELOPING OVER VERMILION BAY AND THIS WILL MOVE EAST AS WELL TODAY. .TIDAL INFORMATION... PSTL1 2.32 FT AND RISING...HIGH TIDE IS BEGINNING TO OCCUR. GISL1 1.77 FT AND RISING...HIGH TIDE IS 1.86 AT 11AM CDT. .TODAY... TIME (CDT) 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM SKY (%).........85 85 85 85 79 79 79 79 79 WEATHER COV.....LKY LKY LKY LKY LKY LKY LKY LKY LKY WEATHER TYPE....TSM TSM TSM TSM TSM TSM TSM TSM TSM TEMP............78 78 79 79 79 80 80 80 79 RH..............85 80 80 78 77 77 75 78 78 20 FT WIND DIR..SE SE S S S S S S S 20 FT WIND SPD..8 7 8 9 10 10 10 9 8 20 FT WIND GUST.15 15 15 20 20 20 20 20 15 CHC OF PCPN (%).70 70 70 70 70 70 70 70 70 SEAS............3 3 3 3 2 2 2 2 2 SEA STATE.......CHOPPY BUT ROUGH NEAR TSM.......... HRLY RAIN (IN). .23 .23 .23 .23 .23 .23 .23 .23 .23 .TONIGHT... TIME (CDT) 6 PM 8 PM 10 PM MIDNGT 2 AM 4 AM SKY (%).........79 73 68 68 63 66 WEATHER COV.....LIKELY CHANCE CHANCE CHANCE S CHC S CHC WEATHER TYPE....TSTORM TSTORM TSTORM TSTORM TSTORM TSTORM TEMP............79 78 77 76 75 74 RH..............78 80 85 88 92 95 20 FT WIND......S 6 SW 6 SW 6 SW 7 SW 6 W 6 20 FT WIND GUST.10 10 10 15 10 10 CHC OF PCPN (%).70 30 30 30 20 20 SEAS............2 2 2 2 3 3 SEA STATE.......LT CHOP.................................. HRLY RAIN (IN)..0.02 0.02 0.02 0.02 0.02 0.02 .MONDAY... TIME (CDT) 6 AM 8 AM 10 AM NOON 2 PM 4 PM SKY (%).........66 70 70 70 52 52 WEATHER COV.....S CHC CHANCE CHANCE CHANCE CHANCE CHANCE WEATHER TYPE....TSTORM TSTORM TSTORM TSTORM TSTORM TSTORM TEMP............73 76 80 82 84 86 RH..............93 85 73 68 64 60 20 FT WIND......W 6 NW 6 NW 5 NW 4 W 3 SW 5 20 FT WIND GUST.10 10 10 5 5 10 CHC OF PCPN (%).20 30 30 30 30 30 SEAS............3 3 3 3 3 3 SEA STATE.......LT CHOP.................................. HRLY RAIN (IN)..0.07 0.07 0.07 0.07 0.07 0.07 $$ FORECASTER...NWS NEW ORLEANS REQUESTED BY...MIKE EFFERSON TYPE OF REQUEST...HAZMAT .TAG 20100516.PORTF.06/LIX