Summary for Hurricane Larry (AT2/AL122021)
ActuCyclone
8 septembre 2021
000 WTNT32 KNHC 081156 TCPAT2 BULLETIN Hurricane Larry Intermediate Advisory Number 31A NWS National Hurricane Center Miami FL AL122021 800 AM AST Wed Sep 08 2021 ...LARRY CAUSING DANGEROUS SWELLS ON THE WESTERN ATLANTIC COAST THIS WEEK... SUMMARY OF 800 AM AST...1200 UTC...INFORMATION ---------------------------------------------- LOCATION...27.0N 57.7W ABOUT 560 MI...905 KM SE OF BERMUDA MAXIMUM SUSTAINED WINDS...115 MPH...185 KM/H PRESENT MOVEMENT...NW OR 325 DEGREES AT 10 MPH...17 KM/H MINIMUM CENTRAL PRESSURE...966 MB...28.53 INCHES WATCHES AND WARNINGS -------------------- CHANGES WITH THIS ADVISORY: The Bermuda Weather Service has issued a Tropical Storm Warning for Bermuda. SUMMARY OF WATCHES AND WARNINGS IN EFFECT: A Tropical Storm Warning is in effect for... * Bermuda A Tropical Storm Warning means that tropical storm conditions are expected somewhere within the warning area within 36 hours. Interests 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), Hurricane Larry was located near latitude 27.0 North, longitude 57.7 West. Larry is moving toward the northwest near 10 mph (17 km/h), and this general motion is expected to continue through today. A turn toward the north-northwest and north with an increase in forward speed is forecast on Thursday. A faster northeastward motion is expected by Friday. On the forecast track, the center of Larry should pass east of Bermuda on Thursday. Maximum sustained winds are near 115 mph (185 km/h) with higher gusts. Larry is a category 3 hurricane on the Saffir-Simpson Hurricane Wind Scale. Gradual weakening is forecast during the next several days, but Larry is expected to remain a hurricane during that time. Larry is a large hurricane. Hurricane-force winds extend outward up to 70 miles (110 km) from the center and tropical-storm-force winds extend outward up to 185 miles (295 km). The minimum central pressure reported by an Air Force Hurricane Hunter aircraft is 966 mb (28.53 inches). HAZARDS AFFECTING LAND ---------------------- Key messages for Larry can be found in the Tropical Cyclone Discussion under AWIPS header MIATCDAT2 and WMO header WTNT42 KNHC. WIND: Tropical storm conditions are possible on Bermuda beginning tonight or early Thursday. SURF: Swells generated by Larry will continue to affect the Leeward Islands, portions of the Greater Antilles, and the Bahamas through midweek, and impact Bermuda through the end of the week. Significant swells from Larry will begin reaching the east coast of the United States and Atlantic Canada today and continue affecting these shores 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. NEXT ADVISORY ------------- Next complete advisory at 1100 AM AST. $$ Forecaster Pasch