FNUS74 KLIX 161618 FWSLIX SPOT FORECAST FOR PORT FOURCHON...NWS NATIONAL WEATHER SERVICE NEW ORLEANS LA 1118 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 1019MB ALONG THE W FL COAST...1014MB ON THE TX COAST. PRESSURE OVER PORT FOURCHON IS 1016MB .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 161551Z AUTO 12010KT 10SM SCT038 26/21 A3002 RMK AO2 SLP165 T02610206 TSNO METAR KGAO 161522Z AUTO 22014G25KT 5SM -TSRA SCT002 SCT007 BKN014 26/23 A3000 RMK AO2 P0005 LTG DSNT ALQS METAR KHUM 161450Z 11006KT 3SM -RA SCT007 BKN034 23/23 A3001 METAR KMDJ 151240Z AUTO 15021G28KT 9SM BKN100 24/22 A3009 RMK A01 METAR KDLP 161535Z AUTO 10011KT 9SM SCT018 SCT025 BKN035 25/22 A2999 RMK A01 .RADAR... A LARGE CLUSTER OF THUNDERSTORMS WERE MOVING EAST AT 16 KT ACROSS SOUTHEASTERN LA AND HAS NOW PUSHED INTO THE CHANDELEUR AND BRETON SOUNDS AND COASTAL MS. THE LINE NOW STRETCHES FROM PASCAGOULA DOWN TO THE LA COAST NEAR GALLIANO AND HOUMA. FREQUENT TO CONTINUOUS LIGHTNING...MODERATE TO HEAVY RAIN...AND WIND GUSTS OF UP TO 35 KTS ARE ASSOCIATED WITH THIS LINE. IN ADDITION THERE IS THE POSSIBILITY OF GETTING QUICK WEAK TORNADOES/WATERSPOUTS TO SPIN UP ALONG THIS LINE. OTHER ACTIVITY WAS BUILDING SOUTH AND EAST OF TIMBALIER AND TERREBONNE BAY AND THESE ARE CAPABLE OF MODERATE RAIN...FREQUENT LIGHTNING...WIND GUSTS NEAR GALE FORCE AND EVEN A FEW WATERSPOUTS. THERE IS AN ADDITIONAL AREA OF SHOWERS AND EMBEDDED THUNDERSTORMS DEVELOPING OVER VERMILLION BAY AND THIS WILL MOVE EAST AS WELL TODAY. .TIDAL INFORMATION... PSTL1 2.39 FT AND STEADY...LOWS TISE HIGH 0.14 AT 10PM CDT. GISL1 1.94 FT AND RISING...HIGH TIDE IS OCCURRING. .TODAY... TIME (CDT) 11A 12P 1PM 2PM 3PM 4PM 5PM SKY (%).........85 85 79 79 79 79 79 WEATHER COV.....DEF DEF LKY LKY LKY LKY LKY WEATHER TYPE....TSM TSM TSM TSM TSM TSM TSM TEMP............79 79 79 80 80 80 79 RH..............80 78 77 77 75 78 78 20 FT WIND DIR..S S S S S S S 20 FT WIND SPD..9 9 10 10 10 9 8 20 FT WIND GUST.20 20 20 20 20 20 15 CHC OF PCPN (%).100 100 70 70 70 70 70 SEAS............4 4 3 3 3 2 2 SEA STATE.......CHOPPY BUT ROUGH NEAR TSM... HRLY RAIN (IN). .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.08/LIX