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Hurricane Lee is forecast to develop in measurement as East Coast faces hazardous seaside circumstances this week | CNN



As Hurricane Lee fluctuates in depth over open Atlantic waters, its results could quickly be felt at seashores up and down the East Coast within the type of life-threatening rip currents and harmful shoreline circumstances.

Lee is forecast to proceed transferring effectively north of Puerto Rico, the US and British Virgin Islands and the northern Leeward Islands, however it can have an effect there and at different Caribbean islands.

It stays too early to find out its long-term monitor for later this week and the way important the impacts could possibly be for northeastern US states, Bermuda and Atlantic Canada. The East Coast, nevertheless, is predicted to face massive swells and rip currents in an growing method by way of this week – a lot because the Caribbean is being affected now.

“Swells generated by Lee are affecting parts of the Lesser Antilles,” the Nationwide Hurricane Heart warned Friday evening. The British and US Virgin Islands, Puerto Rico, Hispaniola, the Turks and Caicos Islands, the Bahamas and Bermuda additionally face swells this weekend that may convey life-threatening surf and rip circumstances.

Waves breaking at 6 to 10 ft had been forecast for Sunday, in response to the Nationwide Climate Service workplace in San Juan, Puerto Rico. Bigger waves had been anticipated this week alongside east- and north-facing seashores.

“Seaside erosion and coastal flooding is feasible,” the workplace posted on social media.

Lee, which was a Class 1 storm Thursday, intensified with distinctive pace into Class 5 standing because it moved west throughout the Atlantic, greater than doubling its wind speeds to 165 mph in only a day.

Vertical wind shear and an eyewall substitute cycle – a course of that happens with nearly all of long-lived main hurricanes – has since led to the weakening of Lee, the hurricane middle mentioned.

Now a Class 2 storm with most sustained winds of 105 mph, forecasters count on Lee to regain energy “over the following day or two,” the hurricane middle mentioned Saturday. Lee is centered simply shy of 300 miles northeast of the northern Leeward Islands as of 11 p.m. ET Saturday and transferring in a west-northwest path.

Laptop mannequin traits for Lee have proven the hurricane taking a flip to the north early this week. However precisely when that flip happens and the way far west Lee will handle to trace by then will play an enormous function in how shut it will get to the US.

A number of steering elements on the floor and higher ranges of the ambiance will decide how shut Lee will get to the East Coast.

An space of excessive stress over the Atlantic, often called the Bermuda Excessive, can have a serious affect on how shortly Lee turns. A robust Bermuda Excessive would preserve Lee on its present west-northwestward monitor and sluggish it down a bit.

Because the excessive stress weakens this week, it can enable Lee to begin transferring northward. As soon as that flip to the north happens, the place of the jet stream – robust upper-level winds that may change the path of a hurricane’s path – will affect how intently Lee is steered to the US.

Situation: Out to Sea

Lee may make a fast flip to the north early this week if excessive stress weakens considerably.

If the jet stream units up alongside the East Coast, it can act as a barrier that stops Lee from approaching the coast. This state of affairs would preserve Lee farther away from the US coast however may convey the storm nearer to Bermuda.

Track Scenario: An area of high pressure (yellow circle) to the east of Lee and the jet stream (silver arrows) to the west of Lee, can force the storm to track between the two, away from the US coast.

Situation: Near East Coast

Lee may make a slower flip to the north as a result of the excessive stress stays strong, and the jet stream units up farther inland over the Jap US. This state of affairs would go away parts of the East Coast, primarily north of the Carolinas, susceptible to a a lot nearer strategy from Lee.

Track Scenario: An area of high pressure (yellow circle) to the east of Lee and the jet stream (silver arrows) to the west of Lee, can force the storm to track between the two, closer to the US coast.

All these elements have but to come back into focus, and the hurricane continues to be days from being a menace to the East Coast. Any potential US influence will change into extra clear as Lee strikes west within the coming days.

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