![]() The #WeLoveNYCConcert is stopped in the middle of Barry Manilow’s performance, as #HenriHurricane approaches. Rainfall records can vary greatly across small areas: on August 13, 2014, Long Island MacArthur Airport (about 50 miles east of Manhattan) received 5.34” in one hour and 4.37” in the following hour.ĭaily rainfall measurements began at Central Park in 1869, but one-hour precipitation readings were not widely collected at area sites until the 1940s, when the growth in aviation demanded more frequent rain and snow information. This is a surprisingly low amount for a one-hour rainfall record in the relatively wet northeast U.S. EDT that was reportedly the highest one-hour total on record at Central Park, apparently going back to 1943. This included a one-hour total of 1.94” between 10 and 11 p.m. New York’s Central Park recorded an impressive 4.45” of rain in a four-hour period up to midnight Saturday night. wT8KX3qFm6- Philippe Papin August 22, 2021 The National Weather Service/New York office reported widespread mesonet totals on Saturday night of 4-6” in Brooklyn and 1-4” in Queens.Įven before the core of #Henri nears the coast, there has been major flooding in New York City as seen on radar (via event driven by tropical moisture transport around Henri lifted at coast by favorable jet dynamics near a negatively tilted trough. The CoCoRaHS volunteer observing network reported these 24-hour totals as of Sunday morning: ![]() Dry air entering the storm will keep the heaviest rains focused toward the west side of Henri, mainly across western Connecticut and Massachusetts, southeast New York, and northern New Jersey.Īs Henri churned well offshore on Saturday night, a nearly stationary corridor of showers and thunderstorms developed from Henri northwest across New Jersey and far southeast New York, producing massive rainfall and flash flooding in some highly populated areas. Heavy rains and flooding were by far the biggest threat Henri posed on Sunday. (Image credit: NOAA/NWS/NHC) Henri’s powerful rainfall punch Total rainfall from Henri as predicted by the National Weather Service on Sunday morning, August 22, 2021. EDT, together with peak storm tide (storm surge plus local astronomical tide, measured relative to mean low low water, or MLLW):Ģ.2’ at New London, CT (peak storm tide 4.5’) Ģ.1’ at Montauk Point, NY (peak storm tide 4.5’) Ģ.0’ at Newport, RI (peak storm tide 5.8’) ġ.7’ at Woods Hole, MA (peak storm tide 3.7’). ![]() Some peak surge values observed as of 3 p.m. As a result, highest water levels with Henri generally occurred during the Sunday morning high tide. Storm surge with Henri was modest, and its effects were limited by the fact that Henri’s onshore push peaked at most locations between the Sunday morning high tide and the Sunday afternoon low tide. Henri’s relatively slow motion for a New England tropical cyclone prevented the highest winds from moving too far inland before the storm decays, and it also reduced the additive factor that storm motion provides to peak winds. Well east of Henri’s center, Nantucket Island, MA, reported winds of 24 mph gusting to 33 mph.įew additional locations are likely to experience sustained tropical-storm winds (39 mph) now that Henri is moving inland. Top winds at Montauk were 24 mph, with a peak gust of 45 mph. Just before landfall, Henri passed about 15 miles east of Montauk Point at the eastern end of Long Island, New York. As Henri approached the coast, Weatherflow stations reported sustained winds of 40 mph gusting to 52 near Narragansett, RI, and 39 mph gusting to 49 at Block Island, MA.
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