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Tropical Storm Lowell Forecast Advisory Number 12
2020-09-23 17:09:54| Tropical Depression LIDIA
Issued at 1500 UTC WED SEP 23 2020
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Post-Tropical Cyclone Teddy Forecast Advisory Number 45
2020-09-23 17:09:54| National Hurricane Center (Atlantic)
Issued at 1500 UTC WED SEP 23 2020 000 WTNT25 KNHC 231434 TCMAT5 POST-TROPICAL CYCLONE TEDDY FORECAST/ADVISORY NUMBER 45 NWS NATIONAL HURRICANE CENTER MIAMI FL AL202020 1500 UTC WED SEP 23 2020 CHANGES IN WATCHES AND WARNINGS WITH THIS ADVISORY... THE CANADIAN HURRICANE CENTRE HAS DISCONTINUED THE TROPICAL STORM WARNING FROM DIGBY TO ECUM SECUM NOVA SCOTIA. THE CANADIAN HURRICANE CENTRE HAS DISCONTINUED THE TROPICAL STORM WATCH FROM FORT LAWRENCE TO DIGBY NOVA SCOTIA, AND FROM WEST OF BRULE TO TIDNISH. SUMMARY OF WATCHES AND WARNINGS IN EFFECT: A TROPICAL STORM WARNING IS IN EFFECT FOR... * SOUTH COAST OF NOVA SCOTIA FROM ECUM SECUM TO MEAT COVE * PORT AUX BASQUES TO FRANCOIS NEWFOUNDLAND A TROPICAL STORM WATCH IS IN EFFECT FOR... * MEAT COVE TO BRULE NOVA SCOTIA * MAGDALEN ISLANDS QUEBEC * PRINCE EDWARD ISLAND A TROPICAL STORM WARNING MEANS THAT TROPICAL STORM CONDITIONS ARE EXPECTED WITHIN THE WARNING AREA. A TROPICAL STORM WATCH MEANS THAT TROPICAL STORM CONDITIONS ARE POSSIBLE WITHIN THE WATCH AREA. INTERESTS ELSEWHERE IN ATLANTIC CANADA SHOULD MONITOR THE PROGRESS OF TEDDY. POST-TROPICAL CYCLONE CENTER LOCATED NEAR 46.0N 61.3W AT 23/1500Z POSITION ACCURATE WITHIN 30 NM PRESENT MOVEMENT TOWARD THE NORTH-NORTHEAST OR 25 DEGREES AT 23 KT ESTIMATED MINIMUM CENTRAL PRESSURE 967 MB MAX SUSTAINED WINDS 50 KT WITH GUSTS TO 60 KT. 50 KT....... 70NE 80SE 0SW 0NW. 34 KT.......180NE 180SE 120SW 180NW. 12 FT SEAS..480NE 720SE 990SW 180NW. 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 46.0N 61.3W AT 23/1500Z AT 23/1200Z CENTER WAS LOCATED NEAR 45.0N 62.1W FORECAST VALID 24/0000Z 49.5N 58.7W...POST-TROP/EXTRATROP MAX WIND 45 KT...GUSTS 55 KT. 34 KT...180NE 150SE 60SW 100NW. FORECAST VALID 24/1200Z 54.5N 54.5W...POST-TROP/EXTRATROP MAX WIND 45 KT...GUSTS 55 KT. 34 KT...390NE 250SE 90SW 280NW. FORECAST VALID 25/0000Z...DISSIPATED REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 46.0N 61.3W INTERMEDIATE PUBLIC ADVISORY...WTNT35 KNHC/MIATCPAT5...AT 23/1800Z NEXT ADVISORY AT 23/2100Z $$ FORECASTER BLAKE
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Post-Tropical Cyclone Teddy Forecast Discussion Number 45
2020-09-23 17:09:54| National Hurricane Center (Atlantic)
Issued at 1100 AM AST Wed Sep 23 2020 000 WTNT45 KNHC 231436 TCDAT5 Post-Tropical Cyclone Teddy Discussion Number 45 NWS National Hurricane Center Miami FL AL202020 1100 AM AST Wed Sep 23 2020 Surface observations indicate that Teddy made landfall this morning near Ecum Secum, Nova Scotia, near 1200 UTC with estimated maximum sustained winds of 65 mph and a minimum pressure of 964 mb. Since then, the storm has continued to race across Nova Scotia and is slowly weakening. The initial wind speed is set to 50 kt. Teddy should move north-northeastward across the Gulf of St. Lawrence this afternoon then move near Newfoundland by tonight. After passing east of Labrador on Thursday, the global models show Teddy merging with another large extratropical low over the north Atlantic. No significant changes were made to the previous track or intensity forecasts, which are similar to a blend of the GFS and ECMWF models. Even after Teddy passes Nova Scotia and Newfoundland, large swells creating dangerous rip currents will linger over much of the southwestern Atlantic basin for the next few days. Key Messages: 1. The most significant hazard expected from Teddy today is large destructive waves along the southeastern coast of Nova Scotia. Tropical Storm Watches and Warnings are in effect for portions of Nova Scotia, Newfoundland, Prince Edward Island and the Magdalen Islands, and heavy rainfall across Atlantic Canada is expected through Thursday. 2. Very large swells produced by Teddy are expected to affect portions of Bermuda, the Leeward Islands, the Greater Antilles, the Bahamas, the east coast of the United States, and Atlantic Canada during the next few days. These swells are expected to cause life-threatening surf and rip current conditions. FORECAST POSITIONS AND MAX WINDS INIT 23/1500Z 46.0N 61.3W 50 KT 60 MPH...POST-TROP/EXTRATROP 12H 24/0000Z 49.5N 58.7W 45 KT 50 MPH...POST-TROP/EXTRATROP 24H 24/1200Z 54.5N 54.5W 45 KT 50 MPH...POST-TROP/EXTRATROP 36H 25/0000Z...DISSIPATED $$ Forecaster Blake
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teddy
Tropical Storm Lowell Forecast Discussion Number 12
2020-09-23 17:09:24| Tropical Depression LIDIA
Issued at 500 AM HST Wed Sep 23 2020
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discussion
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Tropical Storm Lowell Forecast Information (.shp)
2020-09-23 16:34:44| Tropical Depression LIDIA
GIS Data last updated Wed, 23 Sep 2020 14:34:44 GMT
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