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Hurricane GASTON Graphics

2016-09-02 07:56:56| National Hurricane Center (Atlantic)

5-Day Uncertainty Track last updated Fri, 02 Sep 2016 05:56:56 GMT Wind Speed Probabilities last updated Fri, 02 Sep 2016 03:07:39 GMT

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Summary for Hurricane GASTON (AT2/AL072016)

2016-09-02 07:56:00| National Hurricane Center (Atlantic)

...GASTON EXPECTED TO BECOME A TROPICAL STORM TODAY... ...TROPICAL STORM CONDITIONS EXPECTED IN THE WESTERN AND CENTRAL AZORES LATER THIS MORNING... As of 2:00 AM AST Fri Sep 2 the center of GASTON was located near 38.4, -35.4 with movement ENE at 16 mph. The minimum central pressure was 989 mb with maximum sustained winds of about 75 mph.

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Hurricane GASTON Public Advisory Number 42A

2016-09-02 07:56:00| National Hurricane Center (Atlantic)

Issued at 200 AM AST FRI SEP 02 2016 000 WTNT32 KNHC 020555 TCPAT2 BULLETIN HURRICANE GASTON INTERMEDIATE ADVISORY NUMBER 42A NWS NATIONAL HURRICANE CENTER MIAMI FL AL072016 200 AM AST FRI SEP 02 2016 ...GASTON EXPECTED TO BECOME A TROPICAL STORM TODAY... ...TROPICAL STORM CONDITIONS EXPECTED IN THE WESTERN AND CENTRAL AZORES LATER THIS MORNING... SUMMARY OF 200 AM AST...0600 UTC...INFORMATION ---------------------------------------------- LOCATION...38.4N 35.4W ABOUT 360 MI...585 KM W OF FAIAL ISLAND IN THE CENTRAL AZORES ABOUT 450 MI...720 KM W OF LAJES AIR BASE IN THE AZORES MAXIMUM SUSTAINED WINDS...75 MPH...120 KM/H PRESENT MOVEMENT...ENE OR 75 DEGREES AT 16 MPH...25 KM/H MINIMUM CENTRAL PRESSURE...989 MB...29.21 INCHES WATCHES AND WARNINGS -------------------- CHANGES WITH THIS ADVISORY: None. SUMMARY OF WATCHES AND WARNINGS IN EFFECT: A Tropical Storm Warning is in effect for... * Flores and Corvo in the western Azores * Faial, Pico, Graciosa, Sao Jorge, and Terceira in the central Azores A Tropical Storm Warning means that tropical storm conditions are expected somewhere within the warning area, in this case within the next 12 to 24 hours. For storm information specific to your area, please monitor products issued by your national meteorological service. DISCUSSION AND 48-HOUR OUTLOOK ------------------------------ At 200 AM AST (0600 UTC), the center of Hurricane Gaston was located near latitude 38.4 North, longitude 35.4 West. Gaston is moving toward the east-northeast at a decreased forward speed near 16 mph (25 km/h). An eastward or east-northeastward motion is expected on Saturday. On the forecast track, the center of Gaston will move near the western Azores today, and pass north of the central Azores tonight. Maximum sustained winds are near 75 mph (120 km/h) with higher gusts. Additional weakening is forecast during the next 48 hours, and Gaston is expected to become a tropical storm today. The cyclone should become post-tropical on Saturday. Hurricane-force winds extend outward up to 70 miles (110 km) from the center, and tropical-storm-force winds extend outward up to 175 miles (280 km). The estimated minimum central pressure is 989 mb (29.21 inches). HAZARDS AFFECTING LAND ---------------------- WIND: Tropical storm conditions are expected in the western Azores later this morning and in the central Azores tonight. RAINFALL: Gaston is expected to produce total rain accumulations of 1 to 3 inches, primarily over the western Azores, through the weekend. SURF: Swells generated by Gaston are affecting the Azores and will continue into Saturday. These swells are likely to cause life-threatening surf and rip current conditions. For more information, please consult products from your local weather office. NEXT ADVISORY ------------- Next complete advisory at 500 AM AST. $$ Forecaster Roberts/Stewart

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Hurricane GASTON Graphics

2016-09-02 05:12:28| National Hurricane Center (Atlantic)

5-Day Uncertainty Track last updated Fri, 02 Sep 2016 02:38:36 GMT Wind Speed Probabilities last updated Fri, 02 Sep 2016 03:07:39 GMT

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Hurricane GASTON Wind Speed Probabilities Number 42

2016-09-02 04:37:00| National Hurricane Center (Atlantic)

Issued at 0300 UTC FRI SEP 02 2016 000 FONT12 KNHC 020236 PWSAT2 HURRICANE GASTON WIND SPEED PROBABILITIES NUMBER 42 NWS NATIONAL HURRICANE CENTER MIAMI FL AL072016 0300 UTC FRI SEP 02 2016 AT 0300Z THE CENTER OF HURRICANE GASTON WAS LOCATED NEAR LATITUDE 38.3 NORTH...LONGITUDE 36.0 WEST WITH MAXIMUM SUSTAINED WINDS NEAR 65 KTS...75 MPH...120 KM/H. Z INDICATES COORDINATED UNIVERSAL TIME (GREENWICH) ATLANTIC STANDARD TIME (AST)...SUBTRACT 4 HOURS FROM Z TIME EASTERN DAYLIGHT TIME (EDT)...SUBTRACT 4 HOURS FROM Z TIME CENTRAL DAYLIGHT TIME (CDT)...SUBTRACT 5 HOURS FROM Z TIME WIND SPEED PROBABILITY TABLE FOR SPECIFIC LOCATIONS CHANCES OF SUSTAINED (1-MINUTE AVERAGE) WIND SPEEDS OF AT LEAST ...34 KT (39 MPH... 63 KM/H)... ...50 KT (58 MPH... 93 KM/H)... ...64 KT (74 MPH...119 KM/H)... FOR LOCATIONS AND TIME PERIODS DURING THE NEXT 5 DAYS PROBABILITIES FOR LOCATIONS ARE GIVEN AS OP(CP) WHERE OP IS THE PROBABILITY OF THE EVENT BEGINNING DURING AN INDIVIDUAL TIME PERIOD (ONSET PROBABILITY) (CP) IS THE PROBABILITY OF THE EVENT OCCURRING BETWEEN 00Z FRI AND THE FORECAST HOUR (CUMULATIVE PROBABILITY) PROBABILITIES ARE GIVEN IN PERCENT X INDICATES PROBABILITIES LESS THAN 1 PERCENT PROBABILITIES FOR 34 KT AND 50 KT ARE SHOWN AT A GIVEN LOCATION WHEN THE 5-DAY CUMULATIVE PROBABILITY IS AT LEAST 3 PERCENT. PROBABILITIES FOR 64 KT ARE SHOWN WHEN THE 5-DAY CUMULATIVE PROBABILITY IS AT LEAST 1 PERCENT. - - - - WIND SPEED PROBABILITIES FOR SELECTED LOCATIONS - - - - FROM FROM FROM FROM FROM FROM FROM TIME 00Z FRI 12Z FRI 00Z SAT 12Z SAT 00Z SUN 00Z MON 00Z TUE PERIODS TO TO TO TO TO TO TO 12Z FRI 00Z SAT 12Z SAT 00Z SUN 00Z MON 00Z TUE 00Z WED FORECAST HOUR (12) (24) (36) (48) (72) (96) (120) - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - LOCATION KT SANTA CRUZ AZO 34 36 49(85) X(85) X(85) X(85) X(85) X(85) SANTA CRUZ AZO 50 1 23(24) 1(25) X(25) X(25) X(25) X(25) SANTA CRUZ AZO 64 X 4( 4) X( 4) X( 4) X( 4) X( 4) X( 4) PONTA DELGADA 34 X 4( 4) 4( 8) X( 8) X( 8) X( 8) X( 8) $$ FORECASTER BERG

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