<p>The National Weather Service forecasts scattered instances of flash flooding and dangerous winds strong enough to cause localized tornadoes in the NYC metro area.&nbsp;NewsdayTV&#39;s&nbsp;meteorologist Geoff Bansen has the forecast.</p>


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LI weather: Heavy downpours, thunderstorms expected

long island

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Newsday

Parts of Long Island could see flash flooding Tuesday

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ENVIRONMENT & CLIMATE CHANGE

Environment & Climate Change

There have been 23 closures due to shark sightings at Queens' Rockaway Beach and that has other South Shore beaches on alert. NewsdayTV's Shari Einhorn has more.

'They're coming to visit more often'

What in the phytoplankton! Water off the shores of LI looking Caribbean blue this time of year. NewsdayTV's meterologist Geoff Bansen explains this phenomenon.

'This happened two years ago as well, and it seems to be happening with increasing frequency'

The state announced millions in grants available for water quality improvement and protection projects. NewsdayTV's Virginia Huie reports.

'Continues to be a game changer'

Former Long Island congressman Lee Zeldin toured Oyster Bay Harbor with Town Supervisor Joseph Saladino on Friday. NewsdayTV's Virginia Huie reports.

'We've got to invest in those types of things'

NYU researchers are surveying the Eastern box turtle population to better understand how they are faring against habitat destruction, roadways and global warming.`

'It's important to know where the rare wildlife is'

On the heels of one of the wettest Memorial Day weekends on record, NewsdayTV meteorologist Geoff Bansen looks at why it seems the rain always ruins our weekend plans.

'Constant rhythm of storms'

The state Parks Department will fly more and bigger drones this summer to keep an eye on sharks this season. NewsdayTV's Andrew Ehinger reports.

'We're doing minimum 3 flights a day'

A "super El Niño" is predicted to develop by the summer. NewsdayTV meteorologist Geoff Bansen looks at the likely effects.

'A big change in weather patterns'

Roughly 5,000 acres of pine barrens have been infested, dramatically altering the landscape. NewsdayTV's Macy Egeland is joined by Newsday environmental reporter Tracy Tullis and environmental experts to discuss methods used to save the trees.

'It's scary'

Previous tests conducted by the Suffolk County Water Authority found no detectable microplastics in its samples. Newsday environmental reporter Tracy Tullis has more.

'It's not standard practice on Long Island'

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Tropical Storm Bertha has strengthened in the Gulf of Mexico and is moving toward the Florida Panhandle and Alabama, causing a tropical storm warning and storm surge watches.

Tropical Storm Bertha in the Gulf of Mexico is moving toward the Florida Panhandle and Alabama

<a href="https://www.newsday.com/video/newsdaytv-top-stories">Get more on these and other NewsdayTV stories</a>

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