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Hurricane GASTON Wind Speed Probabilities Number 39

2016-09-01 10:56:16| National Hurricane Center (Atlantic)

Issued at 0900 UTC THU SEP 01 2016 000 FONT12 KNHC 010855 PWSAT2 HURRICANE GASTON WIND SPEED PROBABILITIES NUMBER 39 NWS NATIONAL HURRICANE CENTER MIAMI FL AL072016 0900 UTC THU SEP 01 2016 AT 0900Z THE CENTER OF HURRICANE GASTON WAS LOCATED NEAR LATITUDE 36.8 NORTH...LONGITUDE 43.3 WEST WITH MAXIMUM SUSTAINED WINDS NEAR 80 KTS...90 MPH...150 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 06Z THU 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 06Z THU 18Z THU 06Z FRI 18Z FRI 06Z SAT 06Z SUN 06Z MON PERIODS TO TO TO TO TO TO TO 18Z THU 06Z FRI 18Z FRI 06Z SAT 06Z SUN 06Z MON 06Z TUE FORECAST HOUR (12) (24) (36) (48) (72) (96) (120) - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - LOCATION KT SANTA CRUZ AZO 34 X 8( 8) 48(56) 8(64) X(64) X(64) X(64) SANTA CRUZ AZO 50 X X( X) 14(14) 7(21) X(21) X(21) X(21) SANTA CRUZ AZO 64 X X( X) 2( 2) 1( 3) X( 3) X( 3) X( 3) PONTA DELGADA 34 X X( X) 2( 2) 4( 6) X( 6) X( 6) X( 6) $$ FORECASTER CANGIALOSI

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Summary for Hurricane GASTON (AT2/AL072016)

2016-09-01 10:56:10| National Hurricane Center (Atlantic)

...GASTON WEAKENS A LITTLE...TROPICAL STORM WARNING ISSUED FOR THE WESTERN AZORES... As of 5:00 AM AST Thu Sep 1 the center of GASTON was located near 36.8, -43.3 with movement ENE at 20 mph. The minimum central pressure was 977 mb with maximum sustained winds of about 90 mph.

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Hurricane GASTON Public Advisory Number 39

2016-09-01 10:56:10| National Hurricane Center (Atlantic)

Issued at 500 AM AST THU SEP 01 2016 000 WTNT32 KNHC 010855 TCPAT2 BULLETIN HURRICANE GASTON ADVISORY NUMBER 39 NWS NATIONAL HURRICANE CENTER MIAMI FL AL072016 500 AM AST THU SEP 01 2016 ...GASTON WEAKENS A LITTLE...TROPICAL STORM WARNING ISSUED FOR THE WESTERN AZORES... SUMMARY OF 500 AM AST...0900 UTC...INFORMATION ---------------------------------------------- LOCATION...36.8N 43.3W ABOUT 805 MI...1300 KM W OF FAIAL ISLAND IN THE CENTRAL AZORES ABOUT 895 MI...1440 KM W OF LAJES AIR BASE IN THE AZORES MAXIMUM SUSTAINED WINDS...90 MPH...150 KM/H PRESENT MOVEMENT...ENE OR 60 DEGREES AT 20 MPH...31 KM/H MINIMUM CENTRAL PRESSURE...977 MB...28.85 INCHES WATCHES AND WARNINGS -------------------- CHANGES WITH THIS ADVISORY: The Azores Meteorological Service has issued a Tropical Storm Warning for Flores and Corvo in the western Azores. SUMMARY OF WATCHES AND WARNINGS IN EFFECT: A Tropical Storm Warning is in effect for... * Flores and Corvo in the western Azores A Tropical Storm Watch is in effect for... * 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 within 36 hours. A Tropical Storm Watch means that tropical storm conditions are possible within the watch area, generally within 48 hours. For storm information specific to your area, please monitor products issued by your national meteorological service. DISCUSSION AND 48-HOUR OUTLOOK ------------------------------ At 500 AM AST (0900 UTC), the center of Hurricane Gaston was located near latitude 36.8 North, longitude 43.3 West. Gaston is moving toward the east-northeast near 20 mph (31 km/h), and this general motion is expected to continue during the next day or two. On the forecast track, the center of Gaston will move near the western Azores on Friday and the central Azores by Friday night. Maximum sustained winds have decreased to near 90 mph (150 km/h) with higher gusts. Weakening is forecast during the next 48 hours, and Gaston is expected to lose hurricane intensity by early Friday before it reaches the western Azores. Hurricane-force winds extend outward up to 45 miles (75 km) from the center and tropical-storm-force winds extend outward up to 175 miles (280 km). The estimated minimum central pressure is 977 mb (28.85 inches). HAZARDS AFFECTING LAND ---------------------- WIND: Tropical storm conditions are expected in the western Azores on Friday. Tropical storm conditions are possible in the central Azores late Friday and Friday night. NEXT ADVISORY ------------- Next intermediate advisory at 800 AM AST. Next complete advisory at 1100 AM AST. $$ Forecaster Cangialosi

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Hurricane GASTON Forecast Advisory Number 39

2016-09-01 10:56:10| National Hurricane Center (Atlantic)

Issued at 0900 UTC THU SEP 01 2016 000 WTNT22 KNHC 010854 TCMAT2 HURRICANE GASTON FORECAST/ADVISORY NUMBER 39 NWS NATIONAL HURRICANE CENTER MIAMI FL AL072016 0900 UTC THU SEP 01 2016 CHANGES IN WATCHES AND WARNINGS WITH THIS ADVISORY... THE AZORES METEOROLOGICAL SERVICE HAS ISSUED A TROPICAL STORM WARNING FOR FLORES AND CORVO IN THE WESTERN AZORES. SUMMARY OF WATCHES AND WARNINGS IN EFFECT... A TROPICAL STORM WARNING IS IN EFFECT FOR... * FLORES AND CORVO IN THE WESTERN AZORES A TROPICAL STORM WATCH IS IN EFFECT FOR... * 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 WITHIN 36 HOURS. A TROPICAL STORM WATCH MEANS THAT TROPICAL STORM CONDITIONS ARE POSSIBLE WITHIN THE WATCH AREA...GENERALLY WITHIN 48 HOURS. HURRICANE CENTER LOCATED NEAR 36.8N 43.3W AT 01/0900Z POSITION ACCURATE WITHIN 20 NM PRESENT MOVEMENT TOWARD THE EAST-NORTHEAST OR 60 DEGREES AT 17 KT ESTIMATED MINIMUM CENTRAL PRESSURE 977 MB MAX SUSTAINED WINDS 80 KT WITH GUSTS TO 100 KT. 64 KT....... 40NE 40SE 40SW 30NW. 50 KT....... 70NE 90SE 60SW 50NW. 34 KT.......130NE 150SE 130SW 90NW. 12 FT SEAS..240NE 240SE 240SW 270NW. WINDS AND SEAS VARY GREATLY IN EACH QUADRANT. RADII IN NAUTICAL MILES ARE THE LARGEST RADII EXPECTED ANYWHERE IN THAT QUADRANT. REPEAT...CENTER LOCATED NEAR 36.8N 43.3W AT 01/0900Z AT 01/0600Z CENTER WAS LOCATED NEAR 36.4N 44.5W FORECAST VALID 01/1800Z 37.9N 39.9W MAX WIND 70 KT...GUSTS 85 KT. 64 KT... 30NE 40SE 40SW 25NW. 50 KT... 60NE 80SE 60SW 50NW. 34 KT...130NE 150SE 140SW 90NW. FORECAST VALID 02/0600Z 38.7N 35.4W MAX WIND 60 KT...GUSTS 75 KT. 50 KT... 50NE 60SE 50SW 40NW. 34 KT...110NE 130SE 120SW 80NW. FORECAST VALID 02/1800Z 39.2N 31.8W MAX WIND 50 KT...GUSTS 60 KT. 50 KT... 0NE 50SE 40SW 0NW. 34 KT... 90NE 110SE 100SW 70NW. FORECAST VALID 03/0600Z 40.0N 29.0W MAX WIND 40 KT...GUSTS 50 KT. 34 KT... 90NE 90SE 80SW 50NW. FORECAST VALID 04/0600Z...DISSIPATED REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 36.8N 43.3W NEXT ADVISORY AT 01/1500Z $$ FORECASTER CANGIALOSI

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