FNUS74 KLIX 050102 FWSLIX SPOT FORECAST FOR PORT FOURCHON...NOAA OCS NATIONAL WEATHER SERVICE NEW ORLEANS LA 802 PM CDT WED AUG 4 2010 IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. ...EXCESSIVE HEAT WARNING IN EFFECT UNTIL 9 PM CDT THURSDAY... .SYNOPSIS... AT 2000 CDT...BROAD 1015-1016MB HIGH PRESSURE RIDGE COVERED MOST OF THE NORTHERN AND CENTRAL GLFMEX. .NEAR SHORE HEAT INDEX INFORMAION... AT 2000 CDT... GALLIANO /GAO/...103F HOUMA /HUM/...103F GULFPORT /GPT/... SLIDELL /ASD/... BOOTHVILLE /BVE/...100F WEST DELTA /DLP/...108F .WATCH/WARNING/ADVISORY SUMMARY... ...SPC DAY1 OUTLOOK...GENERAL NON-SVR TSTMS. ...SPC DAY2 OUTLOOK...GENERAL NON-SVR TSTMS. ...EXCESSIVE HEAT WARNING NOW IN EFFECT UNTIL 9 PM CDT THURSDAY... TEMPERATURES THIS AFTERNOON HAVE ALREADY RISEN TO THE MID AND UPPER 90S ACROSS PORTIONS OF THE AREA WITH DEW POINTS IN THE UPPER 70S TO AROUND 80. THIS HAS RESULTED IN HEAT INDEX VALUES AROUND 110 DEGREES AT MANY LOCATIONS. HIGH TEMPERATURES ON THURSDAY WILL AGAIN BE BETWEEN 95 AND 100 DEGREES IN MOST AREAS...WITH HEAT INDEX READINGS AGAIN EXPECTED BETWEEN 108 AND 112 DEGREES. OVERNIGHT LOWS WILL REMAIN IN THE LOWER 80S IN MANY AREAS TONIGHT...PROVIDING LITTLE RELIEF FROM THE OPPRESSIVE HEAT. WHILE A FEW AREAS MAY SEE THUNDERSTORMS TO BREAK THE HEAT SOMEWHAT...WIDESPREAD COOLING IS NOT EXPECTED THROUGH THURSDAY. AN EXCESSIVE HEAT WARNING MEANS THAT A PROLONGED PERIOD OF DANGEROUSLY HOT TEMPERATURES WILL OCCUR. THE COMBINATION OF HOT TEMPERATURES AND HIGH HUMIDITY WILL COMBINE TO CREATE A DANGEROUS SITUATION IN WHICH HEAT ILLNESSES ARE LIKELY. DRINK PLENTY OF FLUIDS...STAY IN AN AIR-CONDITIONED ROOM...STAY OUT OF THE SUN...AND CHECK UP ON RELATIVES AND NEIGHBORS. .NEARBY GULF ASOS/AWOS OBSERVATIONS... ...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 050051Z AUTO 00000KT 9SM CLR 31/26 A2994 RMK AO2 SLP139 T03060256 TSNO METAR KGAO 050040Z AUTO 00000KT 10SM CLR 31/26 A2995 RMK AO2 LTG DSNT NE METAR KHUM 050041Z AUTO 22003KT 10SM BKN035 BKN041 31/26 A2993 RMK AO2 LTG DSNT NE METAR KMDJ 050035Z AUTO 32005KT 10SM CLR 31/26 A2995 RMK A01 METAR KDLP 050035Z AUTO 22003KT 10SM FEW024 33/26 A2994 RMK A01 **************************************************************** VALID ALONG THE SE LA COAST FM PT AU FER TO SW PASS OF MS RVR. REFERENCE DISTANCES ARE FROM GRAND ISLE LA. **************************************************************** .RADAR... AT 2000 CDT...AN ISOLATED THUNDERSTORM WAS LOCATED 40 MILES NORTHWEST OF GRAND ISLE MOVING SOUTHWEST AT 20 MPH. OTHER THUNDERSTORMS WERE LOCATED 60 MILES NORTHEAST OF GRAND ISLE MOVING SOUTH SOUTHWEST AT 25 MPH. .TIDAL INFORMATION... PSTL1 0.44 FT AT 1818 CDT RISING....HIGH TIDE 1.82 0500 CDT ON 8/5. GISL1 0.15 FT AT 1812 CDT RISING...HIGH TIDE 1.50 AT 0600 CDT ON 8/5. PTFL1 0.26 FT AT 1812 CDT RISING...HIGH TIDE 1.60 FT AT 0430 CDT ON 8/5. CAMINADA PASS NEAR PORT FOURCHON... (MLLW FT...ASTRONOMICAL NO WEATHER INFLUENCES) 08/04/2010 WED 05:05PM LDT 0.0 L 08/05/2010 THU 06:24AM LDT 1.3 H 05:53PM LDT -0.1 L 08/06/2010 FRI 07:24AM LDT 1.4 H 06:41PM LDT -0.2 L 08/07/2010 SAT 08:24AM LDT 1.4 H 07:29PM LDT -0.2 L 08/08/2010 SUN 09:24AM LDT 1.4 H 08:16PM LDT -0.1 L .TONIGHT... TIME (CDT) 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM SKY (%).........50 50 50 50 50 50 50 50 50 50 50 WEATHER COV.....SCH SCH SCH SCH SCH SCH SCH SCH SCH SCH SCH WEATHER TYPE....TSM TSM TSM TSM TSM TSM TSM TSM TSM TSM TSM TEMP............89 88 87 86 86 86 86 86 86 86 86 RH..............73 75 76 77 77 78 78 78 78 78 78 HEAT INDEX (F)..105 103 103 102 102 102 100 100 100 100 100 20 FT WIND DIR..SW SW SW SW SW SW SW W W W W 20 FT WIND SPD..6 6 6 6 5 4 3 4 4 4 4 20 FT WIND GUST.10 10 10 10 10 5 5 5 5 5 5 CHC OF PCPN (%).20 20 20 20 20 20 20 20 20 20 20 SEAS............1 1 1 1 1 1 1 1 1 1 1 SEA STATE.......LC LC LC LC LC LC LC LC LC LC LC .THURSDAY... TIME (CDT) 6 AM 8 AM 10 AM NOON 2 PM 4 PM SKY (%).........50 50 50 50 50 50 WEATHER COV.....S CHC CHANCE CHANCE CHANCE CHANCE CHANCE WEATHER TYPE....TSTORM TSTORM TSTORM TSTORM TSTORM TSTORM TEMP............86 86 83 89 89 89 RH..............78 76 80 65 64 64 HEAT INDEX (F)..100 99 94 102 102 102 20 FT WIND......W 3 W 3 NW 4 SW 2 S 2 S 5 20 FT WIND GUST.5 5 5 5 5 10 CHC OF PCPN (%).20 30 30 30 30 30 SEAS............1 1 1 1 1 1 SEA STATE.......LC LC LC LC SM LC .THURSDAY NIGHT... TIME (CDT) 6 PM 8 PM 10 PM MIDNGT 2 AM 4 AM SKY (%).........50 50 50 50 50 50 WEATHER COV.....CHANCE S CHC S CHC S CHC S CHC S CHC WEATHER TYPE....TSTORM TSTORM TSTORM TSTORM TSTORM TSTORM TEMP............88 87 86 86 84 84 RH..............67 70 72 76 80 80 HEAT INDEX (F)..102 99 98 97 94 94 20 FT WIND......SW 6 SW 6 S 5 S 6 S 6 SW 5 20 FT WIND GUST.10 10 10 10 10 10 CHC OF PCPN (%).30 20 20 20 20 20 SEAS............1 1 1 1 1 1 SEA STATE.......LC LC LC LC LC LC $$ FORECASTER...SHIELDS REQUESTED BY...TIM OSBORN TYPE OF REQUEST...HAZMAT .TAG 20100804.PORTF.17/LIX