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Post-Tropical Cyclone Alpha Public Advisory Number 3

2020-09-19 04:35:55| National Hurricane Center (Atlantic)

Issued at 300 AM GMT Sat Sep 19 2020 000 WTNT34 KNHC 190235 TCPAT4 BULLETIN Post-Tropical Cyclone Alpha Advisory Number 3 NWS National Hurricane Center Miami FL AL242020 300 AM GMT Sat Sep 19 2020 ...SHORT-LIVED ALPHA BECOMES A REMNANT LOW OVER THE DISTRICT OF VISEU PORTUGAL.. ...THIS IS THE LAST ADVISORY... SUMMARY OF 300 AM GMT...0300 UTC...INFORMATION ---------------------------------------------- LOCATION...40.9N 6.9W ABOUT 1090 MI...1750 KM ENE OF THE AZORES MAXIMUM SUSTAINED WINDS...30 MPH...45 KM/H PRESENT MOVEMENT...NE OR 50 DEGREES AT 16 MPH...26 KM/H MINIMUM CENTRAL PRESSURE...1005 MB...29.68 INCHES WATCHES AND WARNINGS -------------------- There are no coastal tropical cyclone watches or warnings in effect. Interests in Portugal should monitor the progress of Alpha. Additional information on this system can be found in products from the Portuguese Institute for Sea and Atmosphere at www.ipma.pt. DISCUSSION AND OUTLOOK ---------------------- At 300 AM GMT (0300 UTC), the center of Post-Tropical Cyclone Alpha was located near latitude 40.9 North, longitude 6.9 West. The post-tropical cyclone is moving toward the northeast near 16 mph (26 km/h), and this general motion is expected to continue during the next 12 hours or so. Alpha should move across northern Portugal and Spain before dissipating later today. Maximum sustained winds have decreased to near 30 mph (45 km/h) with higher gusts. The remnant low is expected to dissipate by Saturday night. The estimated minimum central pressure is 1005 mb (29.68 inches). HAZARDS AFFECTING LAND ---------------------- WIND...Information on wind hazards from Alpha can be found in products from the Portuguese Institute for Sea and Atmosphere at www.ipma.pt. RAINFALL...Alpha is expected to produce storm totals of 1 to 2 inches of rainfall, with isolated amounts of 3 inches over the northern portion of Portugal and into west-central Spain before rain tapers off later today. NEXT ADVISORY ------------- This is the last public advisory issued by the National Hurricane Center on this system. $$ Forecaster Roberts

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Post-Tropical Cyclone Alpha Forecast Advisory Number 3

2020-09-19 04:35:20| National Hurricane Center (Atlantic)

Issued at 0300 UTC SAT SEP 19 2020 000 WTNT24 KNHC 190235 TCMAT4 POST-TROPICAL CYCLONE ALPHA FORECAST/ADVISORY NUMBER 3 NWS NATIONAL HURRICANE CENTER MIAMI FL AL242020 0300 UTC SAT SEP 19 2020 THERE ARE NO COASTAL TROPICAL CYCLONE WATCHES OR WARNINGS IN EFFECT. INTERESTS IN PORTUGAL SHOULD MONITOR THE PROGRESS OF ALPHA. ADDITIONAL INFORMATION ON THIS SYSTEM CAN BE FOUND IN PRODUCTS FROM THE PORTUGUESE INSTITUTE FOR SEA AND ATMOSPHERE AT WWW.IPMA.PT. POST-TROPICAL CYCLONE CENTER LOCATED NEAR 40.9N 6.9W AT 19/0300Z POSITION ACCURATE WITHIN 20 NM PRESENT MOVEMENT TOWARD THE NORTHEAST OR 50 DEGREES AT 14 KT ESTIMATED MINIMUM CENTRAL PRESSURE 1005 MB MAX SUSTAINED WINDS 25 KT WITH GUSTS TO 35 KT. 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 40.9N 6.9W AT 19/0300Z AT 19/0000Z CENTER WAS LOCATED NEAR 40.5N 7.7W FORECAST VALID 19/1200Z 42.6N 4.4W...POST-TROP/INLAND MAX WIND 20 KT...GUSTS 30 KT. FORECAST VALID 20/0000Z...DISSIPATED REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 40.9N 6.9W THIS IS THE LAST FORECAST/ADVISORY ISSUED BY THE NATIONAL HURRICANE CENTER ON THIS SYSTEM $$ FORECASTER ROBERTS

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Post-Tropical Cyclone Sally Public Advisory Number 28

2020-09-18 04:49:04| National Hurricane Center (Atlantic)

The NHC has issued its final advisory on this system. Public Advisories from the Weather Prediction Center will provide updates as long as the system remains a flood threat. Issued at 1100 PM EDT Thu Sep 17 2020

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