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Hurricane GASTON Forecast Advisory Number 41

2016-09-01 22:32:27| National Hurricane Center (Atlantic)

Issued at 2100 UTC THU SEP 01 2016 000 WTNT22 KNHC 012032 TCMAT2 HURRICANE GASTON FORECAST/ADVISORY NUMBER 41 NWS NATIONAL HURRICANE CENTER MIAMI FL AL072016 2100 UTC THU SEP 01 2016 CHANGES IN WATCHES AND WARNINGS 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 24 TO 36 HOURS. HURRICANE CENTER LOCATED NEAR 38.3N 37.5W AT 01/2100Z POSITION ACCURATE WITHIN 25 NM PRESENT MOVEMENT TOWARD THE EAST-NORTHEAST OR 75 DEGREES AT 25 KT ESTIMATED MINIMUM CENTRAL PRESSURE 984 MB MAX SUSTAINED WINDS 70 KT WITH GUSTS TO 85 KT. 64 KT....... 40NE 70SE 40SW 20NW. 50 KT....... 70NE 100SE 80SW 40NW. 34 KT.......130NE 160SE 140SW 90NW. 12 FT SEAS..240NE 270SE 260SW 300NW. 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 38.3N 37.5W AT 01/2100Z AT 01/1800Z CENTER WAS LOCATED NEAR 38.0N 39.1W FORECAST VALID 02/0600Z 38.9N 34.5W MAX WIND 60 KT...GUSTS 75 KT. 50 KT... 60NE 90SE 60SW 30NW. 34 KT...120NE 140SE 130SW 80NW. FORECAST VALID 02/1800Z 39.5N 30.9W MAX WIND 50 KT...GUSTS 60 KT. 50 KT... 40NE 50SE 30SW 0NW. 34 KT...100NE 120SE 100SW 50NW. FORECAST VALID 03/0600Z 40.3N 27.9W MAX WIND 40 KT...GUSTS 50 KT. 34 KT... 50NE 70SE 40SW 0NW. FORECAST VALID 03/1800Z 41.6N 25.1W...POST-TROP/REMNT LOW MAX WIND 30 KT...GUSTS 40 KT. FORECAST VALID 04/1800Z...DISSIPATED REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 38.3N 37.5W NEXT ADVISORY AT 02/0300Z $$ FORECASTER BRENNAN

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Hurricane GASTON Graphics

2016-09-01 19:40:16| National Hurricane Center (Atlantic)

5-Day Uncertainty Track last updated Thu, 01 Sep 2016 17:39:09 GMT Wind Speed Probabilities last updated Thu, 01 Sep 2016 17:35:35 GMT

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Summary for Hurricane GASTON (AT2/AL072016)

2016-09-01 19:38:27| National Hurricane Center (Atlantic)

...GASTON MOVING QUICKLY EAST-NORTHEASTWARD TOWARD THE WESTERN AZORES... As of 2:00 PM AST Thu Sep 1 the center of GASTON was located near 38.0, -39.2 with movement ENE at 24 mph. The minimum central pressure was 980 mb with maximum sustained winds of about 85 mph.

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Hurricane GASTON Public Advisory Number 40A

2016-09-01 19:38:27| National Hurricane Center (Atlantic)

Issued at 200 PM AST THU SEP 01 2016 000 WTNT32 KNHC 011738 TCPAT2 BULLETIN HURRICANE GASTON INTERMEDIATE ADVISORY NUMBER 40A NWS NATIONAL HURRICANE CENTER MIAMI FL AL072016 200 PM AST THU SEP 01 2016 ...GASTON MOVING QUICKLY EAST-NORTHEASTWARD TOWARD THE WESTERN AZORES... SUMMARY OF 200 PM AST...1800 UTC...INFORMATION ---------------------------------------------- LOCATION...38.0N 39.2W ABOUT 570 MI...920 KM W OF FAIAL ISLAND IN THE CENTRAL AZORES ABOUT 655 MI...1055 KM W OF LAJES AIR BASE IN THE AZORES MAXIMUM SUSTAINED WINDS...85 MPH...140 KM/H PRESENT MOVEMENT...ENE OR 70 DEGREES AT 24 MPH...39 KM/H MINIMUM CENTRAL PRESSURE...980 MB...28.94 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 24 to 36 hours. For storm information specific to your area, please monitor products issued by your national meteorological service. DISCUSSION AND 48-HOUR OUTLOOK ------------------------------ At 200 PM AST (1800 UTC), the center of Hurricane Gaston was located near latitude 38.0 North, longitude 39.2 West. Gaston is moving toward the east-northeast near 24 mph (39 km/h), and this motion is forecast to continue for the next couple of days with a decrease in forward speed expected on Friday. On the forecast track, the center of Gaston will move near the western Azores on Friday and pass north of the central Azores on Friday night. Maximum sustained winds are near 85 mph (140 km/h) with higher gusts. Some weakening is forecast during the next 48 hours, and Gaston is expected to become a tropical storm by early Friday before it reaches the western Azores. Gaston is expected to become a post- tropical cyclone on Saturday. Hurricane-force winds extend outward up to 80 miles (130 km), mainly to the south and east of the center, and tropical-storm-force winds extend outward up to 185 miles (295 km). The estimated minimum central pressure is 980 mb (28.94 inches). HAZARDS AFFECTING LAND ---------------------- WIND: Tropical storm conditions are expected in the western Azores on Friday and in the central Azores Friday night. 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 will begin affecting the Azores tonight and 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 PM AST. $$ Forecaster Brennan

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