Long Island weather: Heavy rain, flash flood watch Thursday



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Long Islanders can expect heavy rain and potential flash flooding.

Associated with Tropical Storm Michael, The Moisture, "Surging Northward of Eastern North Carolina and Virginia," The National Weather Service said in a flash flood watch. The watch is in effect for the entire metropolitan region. On Long Island, the watch lasts from noon through late Thursday.

The storm is going to be in the aftermath of the United States, according to the National Hurricane Center track.

Joe Pollina, a National Weather Service meteorologist in Upton, looks for showers and a few thunderstorms from early afternoon to early afternoon.

Long Island is looking at 1.5 to 2 inches of rain Thursday, with 2 to 4 possible in some spots, the watch said. Any heavy precipitation falling within a three-hour time frame could result in flash flooding.

With the Island already having an abundance of recent precipitation, "the ground is still rather moist and more likely to be in place," said News 12 Long Island meteorologist Bill Korbel.

Isolated minor coastal flooding is particularly important in the South Shore of Nassau County.

Friday, both for waters off the South Shore Friday, both for waters off the coast. There is also a small craft advisory for the Long Island Sound.

Thursday should be the last day with highs in the mid-70s for the near future. Thursday's low will be near 61.

"We have big changes coming our way," said News 12 Long Island meteorologist Rich Hoffman. "Go find those jackets, because you're going to need them by the weekend."

Showers continues into Friday morning, with cloudy skies gradually becoming mostly sunny. The day also increases with the northwest, with a few gusts of 35 to 40 mph possible. Highs will be in the mid-60s with lows dropping all the way to the low 40s.

Saturday and Sunday will have highs near 60 and lows near 50. Saturday morning, "Hoffman said.

This will be the first time that day long, which day is 64 degrees at Long Island MacArthur Airport in Ronkonkoma. As of day-end Wednesday, the month so far was averaging 10.2 degrees above normal.

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