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Irma, with 130 mph winds, nears landfall in Lower Keys

A recharged Category 4 Hurricane Irma, possibly the worst storm to hit the Lower Keys in more than a half century, is expected to make landfall in the coming hours after daybreak.

At the National Weather Service in Key West, winds early Sunday had already begun to pick up, with some hurricane gusts and sustained winds between 45 and 60 mph, night shift meteorologist Adam Futterman said. Sunday’s sunrise will come after 7 a.m. in Key West.

“We’re still 40 miles away from the large eye, so that’s pretty amazing,” he said.

Irma is now located 40 miles southeast of Key West, with 130 mph winds expected to continue over the next 24 hours. The storm had also picked up speed slightly. “On the forecast track, the eye of Irma should move over the Lower Florida Keys in the next few hours, then move near or over the southwestern coast of the Florida Peninsula later today through tonight,” forecasters said in a 5 a.m. advisory.

Key West could see widespread, "catastrophic" damage, hurricane specialist Mike Brennan said. "The storm surge on top of that can literally wipe structures entirely away."

Islands up and down the chain could also get a surge double whammy as storm pushes rising water from the east, turns and hits the west side of the islands, he said.

"It could be a very long recovery period down here," he said. with some bridge damage Brennan said pointing to the Florida Keys on a television screen behind him.

The storm has picked up speed to 8 mph, but that’s still a slow pace that could put Key West and the Lower Keys in the grip of hurricane conditions for 15 long hours. Tropical storm winds of up to 73 mph could last well over a day and up to 35 hours, Futterman said. Forecasters do not declare landfall until half the storm’s eye passes.

Storm surge remains a very dangerous threat to the chain of low-lying islands, with water levels expected to rise between five and 10 feet through the morning. Flooding could be worse because the surge coincides with the arrival of high tides, Futterman said. The highest elevations in the Keys are in Key West and Key Largo, but most of the other islands sit less than six feet above sea level, he said. Just before 4 a.m., water levels around Key West were already two feet above normal, the Service reported.

“This is quite disconcerting to the folks who didn’t get the message,” Futterman said of the stubborn Conchs who stayed behind. “That’s a very dangerous threat to the people who have not evacuated.”

The storm’s continued westward movement has likely spared the Miami area the storm’s worst wrath. Even so, Irma’s immense size and strength — pushing hurricane-force winds outward up to 70 miles from the center and tropical-storm force winds to 205 miles — mean it can wreak considerable havoc in Miami-Dade and Broward counties, even from a distance.

And the Keys will fare much worse. The wind gauge atop the National Weather Service’s Key West Office recorded a hurricane-force gust of 79 mph in the early morning hours Sunday. With Irma’s strongest winds and eyewall not expected to arrive until daybreak, the outlook is not good.

Chip Casper, a senior forecaster for the Service, told The Weather Channel that Irma would be worst for the Keys since Donna in 1960, which crossed Marathon as a Cat 4 with 130 mph winds.

But Irma was a much larger storm, he said, and on a path closer to Key West. It could first inundate city streets with sea water, then pound it with major hurricane winds for 12 hours or more.

“We are expecting a very damaging storm surge just before sunrise,” he said.

Irma has finally made a long-awaited turn and should continue moving to the north-northwest over the next 36 hours as it picks up speed, forecasters said at 5 a.m. As it runs parallel to the Gulf Coast, predicting where it makes landfall remains difficult, forecasters said. Over the next 12 to 36 hours, Irma could weaken as it moves up the coast and brushes land, they said. However, they still believe the storm will be a major hurricane as it nears Tampa.

A potential strike by Irma in the Tampa-St. Petersburg area would be the first direct hit from a powerful hurricane in more than 90 years.

Meanwhile, powerful winds and stinging rain continue to buffet Miami-Dade and Broward Counties.

A tornado was sighted in Oakland Park Saturday night, and the National Weather Service issued a tornado for every place between Monroe and Palm Beach counties. Florida officials urged residents not to let down their guard against Irma or assume that the storm’s worst has already passed, which is surely not true.

“Don’t be the guy that gets killed by the tree, all right?” U.S. Senator Marco Rubio said at a press conference, warning people against leaving their refuges. “Every year, we have it – the guy that’s standing around, the tree falls on their head. Don’t be the guy or gal that gets killed by the tree.”

While the forecast track shows the storm’s center crossing south of Big Pine, fierce winds and storm surge will likely be widespread. Water could be as high as 10 feet throughout the Keys. From Card Sound Road to Miami Beach, a four- to six-foot surge is possible, hurricane center officials said.

Ed Rappaport, the acting director of the hurricane center, said Hurricane Irma’s impending visit to the Florida Keys and the state’s west coast is “capable of causing loss of life and major damage.”

Irma’s jog to the west caught much of the Gulf Coast by surprise. At midday Saturday, the plywood sheets and metal window shutters so ubiquitous in South Florida were still comparatively rare in St. Petersburg.

As for the Keys, their relationship with hurricanes is intimate and infamous, going back in recorded history at least to the early 17th century.

Over the past 100 years, the islands have been struck by a hurricane an average of one every 4.5 years — most disastrously on Labor Day weekend of 1935, when a nameless storm with 200 mph winds killed as many as 485 people and an entire railroad, the Keys extension of the the Florida East Coast Railway, which was totally wrecked and never rebuilt.

The Keys were already taking punches from Irma on Saturday. Tropical-storm force winds pounded the islands, pushing storm surge ashore. Water levels were up throughout the day, rising nearly a foot above normal in Key West after 4:30 p.m. and more than a foot near Vaca Key.

The toll extended to many other areas of the state. Florida Gov. Rick Scott said in a news conference Saturday that 76,000 people were without power, and that the number of outages would only grow as the storm gets closer.

Irma has killed more than 20 people and left a wide swath of destruction as it smashed its way through Caribbean resort islands like Saint Martin, St. Barts, St. Thomas, Barbuda and Antigua.

And little is known of the damage Irma did to Cuba, where it lingered much of the day Saturday. It struck the island as a Category 5 storm and moved away as a Category 3. It lashed the island with such fury that the government began moving people into underground military bunkers built decades ago when the Castro regime expected war with the United States.

But not much news has emerged since Irma reached Cuba. The national electric company announced that high winds were forcing it to cut power to Havana, and the Ministry of Communications said it was shutting down all public wi-fi receivers in the capital.

Miami Herald staff writers Kyra Gurney and Curtis Morgan contributed to this report.

Follow Jenny Staletovich on Twitter @jenstaletovich

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