FNUS74 KLIX 161920 FWSLIX SPOT FORECAST FOR PORT FOURCHON...NWS NATIONAL WEATHER SERVICE NEW ORLEANS LA 220 PM 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 4MB GRADIENT WAS ACROSS THE GLFMEX WITH 1018MB 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 SPECI KBVE 161903Z AUTO 02005KT 10SM -RA FEW009 BKN100 22/21 A3003 RMK AO2 P0000 TSNO METAR KGAO 161902Z AUTO 07006KT 1 1/2SM +RA OVC004 22/21 A3002 RMK AO2 P0008 LTG DSNT E AND SE METAR KHUM 161850Z 09004KT 6SM BR SCT015 BKN040 24/24 A3000 METAR KMDJ MISG METAR KDLP 161855Z AUTO 34012KT 1 1/4SM BR FEW004 SCT034 BKN080 22/21 A3001 RMK A01 .RADAR... A VERY LARGE AREA OF SHOWERS AND THUNDERSTORMS REMAINED ACROSS COASTAL LA...MUCH OF THE COASTAL WATERS OFF THE SOUTHEAST LA COAST AND MISSISSIPPI COAST. FREQUENT TO CONTINUOUS LIGHTNING...MODERATE TO HEAVY RAIN...AND WIND GUSTS UP TO GALE FORCE ARE ASSOCIATED WITH THIS ACTIVITY. IN ADDITION THERE IS THE POSSIBILITY OF GETTING QUICK WEAK TORNADOES/WATERSPOUTS TO SPIN UP. CLOSER TOWARDS PORT FOUCHON SHOWERS AND THUNDERSTORMS WERE NOTED OVER TIMBALIER...TERREBONNE... AND BARATARIA BAYS. MORE ACTIVITY IS BEGINNING TO DEVELOP ACROSS THE GULF WEST OF THE MS RIVER. THIS ACTIVITY COULD QUICKLY BECOME STRONG/SEVERE PRODUCING GALE FORCE WINDS AND EVEN WATERSPOUTS. .TIDAL INFORMATION... PSTL1 1.76 FT AND FALLING...LOW TIDE IS 0.10 AT 10PM CDT. GISL1 1.75 FT AND FALLING...LOW TIDE IS 0.17 AT 11 PM CDT. .TODAY... TIME (CDT) 2PM 3PM 4PM 5PM SKY (%).........79 79 79 79 WEATHER COV.....DEF LKY LKY LKY WEATHER TYPE....TSM TSM TSM TSM TEMP............80 80 80 79 RH..............77 75 78 78 20 FT WIND DIR..SW SW SW SW 20 FT WIND SPD..12 12 11 10 20 FT WIND GUST.25 25 25 20 CHC OF PCPN (%).70 70 70 70 SEAS............2 2 2 2 SEA STATE.......100 70 70 70 HRLY RAIN (IN). .35 .11 .11 .11 .TONIGHT... TIME (CDT) 6 PM 8 PM 10 PM MIDNGT 2 AM 4 AM SKY (%).........79 38 30 30 24 25 WEATHER COV.....LIKELY S CHC S CHC S CHC WEATHER TYPE....TSTORM TSTORM TSTORM TSTORM NONE NONE TEMP............79 77 76 75 74 73 RH..............78 95 97 95 96 99 20 FT WIND......SW 9 SW 7 W 6 W 6 W 6 W 5 20 FT WIND GUST.20 15 10 10 10 10 CHC OF PCPN (%).70 20 20 20 10 10 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 (%).........25 43 43 43 43 40 WEATHER COV..... S CHC S CHC S CHC S CHC WEATHER TYPE....NONE NONE TSTORM TSTORM TSTORM TSTORM TEMP............73 76 79 80 81 81 RH..............99 91 79 70 66 67 20 FT WIND......W 5 W 6 W 6 W 6 W 6 W 5 20 FT WIND GUST.10 10 10 10 10 10 CHC OF PCPN (%).10 20 20 20 20 20 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.11/LIX