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Tropical Storm Elsa Public Advisory Number 38
2021-07-09 16:46:32| National Hurricane Center (Atlantic)
Issued at 1100 AM EDT Fri Jul 09 2021 000 WTNT35 KNHC 091446 TCPAT5 BULLETIN Tropical Storm Elsa Advisory Number 38 NWS National Hurricane Center Miami FL AL052021 1100 AM EDT Fri Jul 09 2021 ...CENTER OF ELSA OVER EASTERN LONG ISLAND... ...HEAVY RAINFALL CONTINUES TO SPREAD NORTHWARD ACROSS THE NORTHEASTERN UNITED STATES... SUMMARY OF 1100 AM EDT...1500 UTC...INFORMATION ----------------------------------------------- LOCATION...41.0N 72.1W ABOUT 10 MI...20 KM WSW OF MONTAUK POINT NEW YORK ABOUT 110 MI...175 KM W OF NANTUCKET MASSACHUSETTS MAXIMUM SUSTAINED WINDS...50 MPH...85 KM/H PRESENT MOVEMENT...NE OR 45 DEGREES AT 31 MPH...50 KM/H MINIMUM CENTRAL PRESSURE...1000 MB...29.53 INCHES WATCHES AND WARNINGS -------------------- CHANGES WITH THIS ADVISORY: None SUMMARY OF WATCHES AND WARNINGS IN EFFECT: A Tropical Storm Warning is in effect for... * Long Island from East Rockaway Inlet to the eastern tip along the south shore and from Port Jefferson Harbor eastward on the north shore * New Haven, Connecticut to Merrimack River, Massachusetts including Cape Cod, Block Island, Martha's Vineyard, and Nantucket A Tropical Storm Warning means that tropical storm conditions are expected somewhere within the warning area. For information on wind hazards north of the Tropical Storm Warning area, please see products from your local weather office. For storm information specific to your area, including possible inland watches and warnings, please monitor products issued by your local National Weather Service forecast office. DISCUSSION AND OUTLOOK ---------------------- At 1100 AM EDT (1500 UTC), the center of Tropical Storm Elsa was located by surface and radar data over eastern Long Island near latitude 41.0 North, longitude 72.1 West. Elsa is moving toward the northeast near 31 mph (50 km/h), and this general motion is expected to continue with an increase in forward speed during the next couple of days. On the forecast track, the center of Elsa will move near eastern Long Island and the coast of southern New England through this afternoon, and then offshore the northeastern United States coast by this evening. The system should move over Atlantic Canada by late tonight and Saturday. Maximum sustained winds are near 50 mph (85 km/h) with higher gusts. No significant change in strength is expected today. Gradual weakening is forecast to occur over the weekend. Elsa is forecast to become a post-tropical cyclone this afternoon. Tropical-storm-force winds extend outward up to 175 miles (280 km) from the center. A WeatherFlow site near Jones Beach, New York recently reported a wind gust to 47 mph (76 km/h) and a WeatherFlow site near Block Island Jetty observed a sustained wind of 39 mph (63 km/h) with a gust to 54 mph (87 km/h). The estimated minimum central pressure based on data from NOAA buoy 44025 is 1000 mb (29.53 inches). HAZARDS AFFECTING LAND ---------------------- Key messages for Elsa can be found in the Tropical Cyclone Discussion under AWIPS header MIATCDAT5, WMO header WTNT45 KNHC and on the web at www.hurricanes.gov/graphics_at5.shtml?key_messages. WIND: Tropical storm conditions will continue over portions of the warning area over the northeastern U.S. coast through mid- afternoon. Elsa is expected to bring gusty winds to portions of Atlantic Canada tonight and Saturday after it becomes a post-tropical cyclone. RAINFALL: Across southern and coastal New England...2 to 4 inches of rain with isolated totals up to 6 inches are possible through today, which could result in considerable flash and urban flooding. Isolated minor river flooding is also expected. For the latest rainfall reports and wind gusts associated with Tropical Storm Elsa, please visit the following link: https://www.wpc.ncep.noaa.gov/discussions/nfdscc5.html TORNADOES: A tornado or two will be possible through early afternoon over southeastern New England. NEXT ADVISORY ------------- Next intermediate advisory at 200 PM EDT. Next complete advisory at 500 PM EDT. $$ Forecaster Brown
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