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| #1058227 (Received by flhurricane at: 2:14 PM 22.Aug.2021) TCPAT3 BULLETIN Tropical Storm Henri Intermediate Advisory Number 27A...Corrected NWS National Hurricane Center Miami FL AL082021 200 PM EDT Sun Aug 22 2021 Corrected initial latitude and distance to reference points in summary block. ...HENRI SLOWS DOWN OVER SOUTHWESTERN RHODE ISLAND... ...STRONG GUSTY WINDS AND FLOODING RAINFALL CONTINUE ACROSS PORTIONS OF THE NORTHEASTERN UNITED STATES... SUMMARY OF 200 PM EDT...1800 UTC...INFORMATION ---------------------------------------------- LOCATION...41.4N 71.8W ABOUT 5 MI...5 KM N OF WESTERLY RHODE ISLAND ABOUT 35 MI...55 KM SW OF PROVIDENCE RHODE ISLAND MAXIMUM SUSTAINED WINDS...50 MPH...80 KM/H PRESENT MOVEMENT...NW OR 325 DEGREES AT 9 MPH...15 KM/H MINIMUM CENTRAL PRESSURE...991 MB...29.26 INCHES WATCHES AND WARNINGS -------------------- CHANGES WITH THIS ADVISORY: All Storm Surge Warnings have been discontinued. SUMMARY OF WATCHES AND WARNINGS IN EFFECT: A Tropical Storm Warning is in effect for... * East Rockaway Inlet New York to Chatham Massachusetts, including Long Island * Block Island, Nantucket and Martha`s Vineyard A Tropical Storm Warning means that tropical storm conditions are expected somewhere within the warning area. Interests elsewhere in the northeastern U.S. should monitor the progress of Henri. 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 200 PM EDT (1800 UTC), the center of Tropical Storm Henri was located by surface observations and and NOAA Doppler weather radars near latitude 41.4 North, longitude 71.8 West. Henri is now moving toward the northwest near 9 mph (15 km/h). A northwestward motion with a decrease in forward speed is expected this afternoon. The center of Henri is currently located inland over southwestern Rhode Island. On the forecast track, Henri is expected to slow down further and possibly stall near the Connecticut-New York border tonight, with an east-northeastward motion across northern Connecticut and southern Massachusetts on expected on Monday. Data from Doppler radars and surface observations indicate that maximum sustained winds have decreased to near 50 mph (80 km/h) with higher gusts. Rapid weakening is expected now that Henri has moved inland over southern New England. Tropical-storm-force winds extend outward up to 125 miles (205 km) from the center. The latest minimum central pressure estimated from nearby surface observations is 991 mb (29.26 inches). HAZARDS AFFECTING LAND ---------------------- Key messages for Henri can be found in the Tropical Cyclone Discussion under AWIPS header MIATCDAT3, WMO header WTNT43 KNHC and on the web at www.hurricanes.gov/graphics_at3.shtml?key_messages. RAINFALL: Henri is expected to produce rainfall amounts of 3 to 6 inches over portions of Long Island, New England, southeast New York, New Jersey, and northeast Pennsylvania Sunday into Monday, with isolated maximum totals near 12 inches. Heavy rainfall from Henri may result in considerable flash, urban, and small stream flooding, along with the potential for widespread minor to isolated moderate river flooding. STORM SURGE: The combination of a dangerous storm surge and the tide will cause normally dry areas near the coast to be flooded by rising waters moving inland from the shoreline. The water could reach the following heights above ground somewhere in the indicated areas if the peak surge occurs at the time of high tide... South shore of Long Island from East Rockaway Inlet, NY to Montauk Point, NY...1-2 ft North shore of Long Island from Flushing, NY to Montauk Point, NY including Long Island Sound...1-2 ft Flushing, NY to Merrimack River, MA including Narragansett Bay, Buzzards Bay, Vineyard Sound, Nantucket Sound, and Cape Cod Bay...1-2 ft The deepest water will occur along the immediate coast in areas of onshore winds, where the surge will be accompanied by large and dangerous waves. Surge-related flooding depends on the relative timing of the surge and the tidal cycle, and can vary greatly over short distances. For information specific to your area, please see products issued by your local National Weather Service forecast office. WIND: Tropical storm conditions are expected to continue in the tropical storm warning area into tonight. TORNADOES: The risk for a tornado or two continues today across parts of southern New England. SURF: Swells generated by Henri should diminish around Bermuda later today. Swells are expected to increase across much of the east coast of the U.S. and Atlantic Canada today and continue into Monday. These swells could cause life-threatening surf and rip current conditions. Please consult products from your local weather office. NEXT ADVISORY ------------- Next complete advisory at 500 PM EDT. $$ Forecaster Stewart |
