000 WTNT32 KNHC 091153 TCPAT2 BULLETIN Hurricane Larry Intermediate Advisory Number 35A NWS National Hurricane Center Miami FL AL122021 800 AM AST Thu Sep 09 2021 ...TROPICAL STORM CONDITIONS EXPECTED ON BERMUDA LATER TODAY... SUMMARY OF 800 AM AST...1200 UTC...INFORMATION ---------------------------------------------- LOCATION...31.2N 61.5W ABOUT 210 MI...335 KM ESE OF BERMUDA MAXIMUM SUSTAINED WINDS...100 MPH...155 KM/H PRESENT MOVEMENT...NNW OR 330 DEGREES AT 16 MPH...26 KM/H MINIMUM CENTRAL PRESSURE...968 MB...28.58 INCHES WATCHES AND WARNINGS -------------------- CHANGES WITH THIS ADVISORY: None. SUMMARY OF WATCHES AND WARNINGS IN EFFECT: A Hurricane Watch is in effect for... * Southeastern Newfoundland from St. Schotts to Pouch Cove A Tropical Storm Warning is in effect for... * Bermuda A Tropical Storm Watch is in effect for... * Southeastern Newfoundland from Lamaline to west of St. Schotts * Southeastern Newfoundland from north of Pouch Cove to Bonavista A Hurricane Watch means that hurricane conditions are possible within the watch area. A watch is typically issued 48 hours before the anticipated first occurrence of tropical-storm-force winds, conditions that make outside preparations difficult or dangerous. A Tropical Storm Warning means that tropical storm conditions are expected somewhere within the warning. A Tropical Storm Watch means that tropical storm conditions are possible within the watch area, generally within 48 hours. Interests elsewhere in southeastern Newfoundland should monitor the progress of this system. For storm information specific to your area, please monitor products issued by your national meteorological service. DISCUSSION AND OUTLOOK ---------------------- At 800 AM AST (1200 UTC), the center of Hurricane Larry was located near latitude 31.2 North, longitude 61.5 West. Larry is moving toward the north-northwest near 16 mph (26 km/h), and a turn toward the north with an increase in forward speed is forecast today, with a faster northeastward motion expected by Friday. On the forecast track, the center of Larry should pass east of Bermuda today, and move near or over southeastern Newfoundland Friday night or early Saturday morning. Maximum sustained winds are near 100 mph (155 km/h) with higher gusts. Gradual weakening is forecast during the next couple of days, but Larry is expected to remain a hurricane during that time. Larry should become an extratropical cyclone early Saturday, after passing by Newfoundland, then weaken further while it passes southeast of Greenland Sunday night. Larry is expected to be absorbed by a larger extratropical low east of Greenland Monday. Larry is a large hurricane. Hurricane-force winds extend outward up to 90 miles (150 km) from the center and tropical-storm-force winds extending outward up to 220 miles (350 km) from the center. The minimum central pressure reported by an Air Force Reserve Unit Hurricane Hunter aircraft is 968 mb (28.58 inches). HAZARDS AFFECTING LAND ---------------------- Key messages for Larry can be found in the Tropical Cyclone Discussion under AWIPS header MIATCDAT2, WMO header WTNT42 KNHC and on the web at hurricanes.gov/graphics_at2.shtml?key_messages WIND: Tropical storm conditions are expected on Bermuda later today. Hurricane conditions are possible within the hurricane watch area in southeastern Newfoundland Friday night, with tropical storm conditions possible by late Friday. Tropical storm conditions are possible in the tropical storm watch area in southeastern Newfoundland by late Friday. SURF: Swells generated by Larry will continue to affect the Leeward Islands, portions of the Greater Antilles, the Bahamas, and Bermuda through the end of the week. Significant swells from Larry will continue affecting the east coast of the United States and Atlantic Canada through the end of the week. These swells are likely to cause life-threatening surf and rip current conditions. Please consult products from your local weather office. RAINFALL: Outer rain bands from Hurricane Larry may periodically impact Bermuda Thursday. Significant rainfall totals are currently not expected, however briefly heavy rain rates within these bands may result in an inch or two of rain through Thursday. Heavy rains from Larry will move quickly across eastern Newfoundland Friday night, producing 1 to 2 inches of rain. NEXT ADVISORY ------------- Next complete advisory at 1100 AM AST. $$ Forecaster Pasch