FNUS74 KLIX 161034 FWSLIX SPOT FORECAST FOR PORT FOURCHON...NWS NATIONAL WEATHER SERVICE NEW ORLEANS LA 534 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 6MB GRADIENT WAS ACROSS THE GLFMEX WITH 1021MB ALONG THE W FL COAST...1015MB ON THE TX COAST. PRESSURE AT PORT FOURCHON IS 1017MB. .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... A STRONG UPPER LEVEL DISTURBANCE IS EXPECTED TO MOVE EAST ALONG THE LOUISIANA GULF COAST AND ACTIVATE THUNDERSTORMS ALONG A STALLED SURFACE BOUNDARY SITUATED OVER THE COASTAL PARISHES. A LARGE CLUSTER OF THUNDERSTORMS WAS INCREASING IN COVERAGE ALONG THE SOUTHWEST LOUISIANA COAST NEAR CAMERON AND EXPANDING EASTWARD THROUGH VERMILION BAY. THIS TREND IS LIKELY TO CONTINUE OVERNIGHT INTO EARLY SUNDAY MORNING INTO THE SOUTHEAST LOUISIANA COASTAL WATERS AND ADJACENT MARSHES. THE AIR MASS REMAINS QUITE UNSETTLED DESPITE WIDESPREAD RAINFALL SATURDAY. DEEP MOISTURE WILL CONTINUE TO FEED INTO THE BOUNDARY TO MAKE RAINFALL HEAVY AT TIMES. LIGHTNING MAY BECOME FREQUENT AND WIND GUSTS AROUND 35 KNOTS WILL BE POSSIBLE ALONG WITH LOCALLY ROUGH SEAS DURING STRONGER STORMS. WATERSPOUTS WILL ALSO BE POSSIBLE 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 160951Z AUTO 12004KT 8SM BKN037 BKN049 BKN060 23/22 A3002 RMK AO2 SLP165 T02330222 TSNO $ METAR KGAO 161022Z AUTO 13005KT 7SM OVC001 25/23 A2999 RMK AO2 LTG DSNT W METAR KHUM 161020Z AUTO 7SM BKN013 BKN019 BKN025 25/25 A2997 RMK AO2 LTG DSNT W AND NW METAR KMDJ MISG METAR KDLP 161010Z AUTO VRB06KT 9SM SCT035 BKN041 26/24 A3000 RMK A01 .RADAR... A BAND OF LIGHT RAINSHOWERS EXTENDED FROM HOUMA TO 80NM SOUTH OF PORT FOURCHON...MOVING NNE 15 KT. MEANWHILE A LARGE CLUSTER OF THUNDERSTORMS WAS MOVING EAST 17 KT ALONG THE CENTRAL LA COAST JUST WEST OF BATON ROUGE AND NEW IBERIA. FREQUENT LIGHTNING WAS NOTED WITH THESE STORMS. GIVEN CURRENT SPEED AND TRENDS...THESE STORMS COULD BEGIN TO AFFECT THE PORT FOURCHON AREA AROUND 7/8AM. .TIDAL INFORMATION... PSTL1 1.64 FT AND RISING...HIGH TIDE IS 2.28 AT 10AM CDT. GISL1 1.14 FT AND RISING...HIGH TIDE IS 1.87 AT 11AM CDT. .TODAY... TIME (CDT) 5AM 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM SKY (%).........71 85 85 85 85 85 85 85 79 79 79 79 79 WEATHER COV.....CHC CHC CHC LKY LKY LKY LKY LKY LKY LKY LKY LKY LKY WEATHER TYPE....TSM TSM TSM TSM TSM TSM TSM TSM TSM TSM TSM TSM TSM TEMP............75 75 76 77 78 78 79 79 79 80 80 80 79 RH..............91 91 91 88 85 80 80 78 77 77 75 78 78 20 FT WIND DIR..SE SE SE SE SE SE S S S S S S S 20 FT WIND SPD..10 10 10 9 8 7 8 9 10 10 10 9 8 20 FT WIND GUST.20 20 20 20 15 15 15 20 20 20 20 20 15 CHC OF PCPN (%).30 40 50 70 70 70 70 70 70 70 70 70 70 SEAS............3 3 3 3 3 3 3 3 2 2 2 2 2 SEA STATE.......CHOPPY BUT ROUGH NEAR TSM........................... HRLY RAIN (IN). .53 .53 .53 .53 .53 .53 .53 .53 .53 .53 .53 .53 .53 .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)..0.05 0.05 0.05 0.05 0.05 0.05 .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.02/LIX