Residual 3 to 4 foot southeast to south swell on the ocean waters after the passage of low pressure to the south and east helped prevent water drainage from the Long Island south shore back bays. This in combination with unusually high astronomical tides associated with the full moon of the 7th led to isolated moderate coastal flooding along the south shore back bays of Nassau County during the…
Every event with a place to put it; 2 filed by county or forecast zone are drawn at its center, in a lighter ring. Tap one for its entry below.
Deaths and injuries are direct and indirect together, as the offices filed them. Damage is property and crops in the dollars of the year, not adjusted for inflation, and only where an office estimated it.
The episode as NWS OKX wrote it up.
Residual 3 to 4 foot southeast to south swell on the ocean waters after the passage of low pressure to the south and east helped prevent water drainage from the Long Island south shore back bays. This in combination with unusually high astronomical tides associated with the full moon of the 7th led to isolated moderate coastal flooding along the south shore back bays of Nassau County during the morning high tide cycles of the 7th and 8th.
The national radar mosaic for the moment the first event began.
2 coastal flood. Local standard time, as filed.
The moderate coastal flood threshold of 6.2 ft MLLW was touched at the USGS tidal gauge at Hudson Bay at Freeport from 2020-05-07 20:00 EST to 2020-05-07 20:12 EST.
The moderate coastal flood threshold of 6.2 ft MLLW was touched at the USGS tidal gauge at Hudson Bay at Freeport from 2020-05-08 20:54 EST to 2020-05-08 21:12 EST.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in New York in 2020Every state in 2020This day in weather historyWarnings in New York, May 2020
NOAA National Centers for Environmental Information, Storm Events Database, compiled from the National Weather Service’s monthly Storm Data. Complete through 2026-06; NCEI adds each month about 75 days after it ends and revises past years a few times a year. Rebuilt 2026-10-01. Each event’s entry at NCEI: 929041, 929044.