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Post-Tropical Cyclone GASTON Wind Speed Probabilities Number 47
2016-09-03 10:37:06| National Hurricane Center (Atlantic)
Issued at 0900 UTC SAT SEP 03 2016 000 FONT12 KNHC 030837 PWSAT2 POST-TROPICAL CYCLONE GASTON WIND SPEED PROBABILITIES NUMBER 47 NWS NATIONAL HURRICANE CENTER MIAMI FL AL072016 0900 UTC SAT SEP 03 2016 AT 0900Z THE CENTER OF POST-TROPICAL CYCLONE GASTON WAS LOCATED NEAR LATITUDE 40.5 NORTH...LONGITUDE 26.9 WEST WITH MAXIMUM SUSTAINED WINDS NEAR 30 KTS...35 MPH...55 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 SAT 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 SAT 18Z SAT 06Z SUN 18Z SUN 06Z MON 06Z TUE 06Z WED PERIODS TO TO TO TO TO TO TO 18Z SAT 06Z SUN 18Z SUN 06Z MON 06Z TUE 06Z WED 06Z THU FORECAST HOUR (12) (24) (36) (48) (72) (96) (120) - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - LOCATION KT $$ FORECASTER KIMBERLAIN
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Post-Tropical Cyclone GASTON Forecast Advisory Number 47
2016-09-03 10:36:38| National Hurricane Center (Atlantic)
Issued at 0900 UTC SAT SEP 03 2016 000 WTNT22 KNHC 030836 TCMAT2 POST-TROPICAL CYCLONE GASTON FORECAST/ADVISORY NUMBER 47 NWS NATIONAL HURRICANE CENTER MIAMI FL AL072016 0900 UTC SAT SEP 03 2016 THERE ARE NO COASTAL WATCHES OR WARNINGS IN EFFECT. POST-TROPICAL CYCLONE CENTER LOCATED NEAR 40.5N 26.9W AT 03/0900Z POSITION ACCURATE WITHIN 25 NM PRESENT MOVEMENT TOWARD THE EAST-NORTHEAST OR 65 DEGREES AT 15 KT ESTIMATED MINIMUM CENTRAL PRESSURE 1006 MB MAX SUSTAINED WINDS 30 KT WITH GUSTS TO 40 KT. 12 FT SEAS..100NE 80SE 140SW 100NW. WINDS AND SEAS VARY GREATLY IN EACH QUADRANT. RADII IN NAUTICAL MILES ARE THE LARGEST RADII EXPECTED ANYWHERE IN THAT QUADRANT. REPEAT...CENTER LOCATED NEAR 40.5N 26.9W AT 03/0900Z AT 03/0600Z CENTER WAS LOCATED NEAR 40.2N 27.8W FORECAST VALID 03/1800Z 42.4N 24.4W...POST-TROP/REMNT LOW MAX WIND 25 KT...GUSTS 35 KT. FORECAST VALID 04/0600Z...DISSIPATED REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 40.5N 26.9W THIS IS THE LAST FORECAST/ADVISORY ISSUED BY THE NATIONAL HURRICANE CENTER ON GASTON. ADDITIONAL INFORMATION ON THIS SYSTEM CAN BE FOUND IN HIGH SEAS FORECASTS ISSUED BY METEO FRANCE...UNDER WMO HEADER FQNT50 LFPW. $$ FORECASTER KIMBERLAIN
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Tropical Depression GASTON Graphics
2016-09-03 07:33:30| National Hurricane Center (Atlantic)
5-Day Uncertainty Track last updated Sat, 03 Sep 2016 05:33:30 GMT Wind Speed Probabilities last updated Sat, 03 Sep 2016 03:06:37 GMT
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gaston
Summary for Tropical Depression GASTON (AT2/AL072016)
2016-09-03 07:33:05| National Hurricane Center (Atlantic)
...GASTON WEAKENS TO A TROPICAL DEPRESSION... As of 2:00 AM AST Sat Sep 3 the center of GASTON was located near 40.2, -27.9 with movement ENE at 16 mph. The minimum central pressure was 1005 mb with maximum sustained winds of about 35 mph.
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Tropical Depression GASTON Public Advisory Number 46A
2016-09-03 07:33:05| National Hurricane Center (Atlantic)
Issued at 200 AM AST SAT SEP 03 2016 000 WTNT32 KNHC 030532 TCPAT2 BULLETIN TROPICAL DEPRESSION GASTON INTERMEDIATE ADVISORY NUMBER 46A NWS NATIONAL HURRICANE CENTER MIAMI FL AL072016 200 AM AST SAT SEP 03 2016 ...GASTON WEAKENS TO A TROPICAL DEPRESSION... SUMMARY OF 200 AM AST...0600 UTC...INFORMATION ---------------------------------------------- LOCATION...40.2N 27.9W ABOUT 120 MI...190 KM NNE OF FAIAL ISLAND IN THE CENTRAL AZORES ABOUT 105 MI...170 KM NNW OF LAJES AIR BASE IN THE AZORES MAXIMUM SUSTAINED WINDS...35 MPH...55 KM/H PRESENT MOVEMENT...ENE OR 70 DEGREES AT 16 MPH...26 KM/H MINIMUM CENTRAL PRESSURE...1005 MB...29.68 INCHES WATCHES AND WARNINGS -------------------- CHANGES WITH THIS ADVISORY: The Azores Meteorological Service has discontinued the Tropical Storm Warning for the western and central Azores. SUMMARY OF WATCHES AND WARNINGS IN EFFECT: There are no coastal watches or warnings in effect. DISCUSSION AND 48-HOUR OUTLOOK ------------------------------ At 200 AM AST (0600 UTC), the center of Tropical Depression Gaston was located near latitude 40.2 North, longitude 27.9 West. Gaston is moving toward the east-northeast near 16 mph (26 km/h). An east- northeastward and then northeastward motion with an increase in forward speed is expected during the next 12 to 24 hours. On the forecast track, the center of Gaston will continue to move way from the Azores. Maximum sustained winds have decreased to near 35 mph (55 km/h) with higher gusts. Additional weakening is expected, and Gaston is forecast to become a remnant low this morning. The remnant low should dissipate by Sunday morning. The estimated minimum central pressure is 1005 mb (29.68 inches). HAZARDS AFFECTING LAND ---------------------- SURF: Swells generated by Gaston are affecting the Azores, and should continue today. These swells are could 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 Kimberlain
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