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‘Freak thing’: 115 mph ‘extreme’ gust rattles Bahamas-bound cruise ship, injuring passengers

By Matthew Cappucci March 6 at 2:42 PM Talk about a rocky start.

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Passengers onboard the Norwegian Escape found themselves dodging flying furniture and shards of glass while holding on as the vessel encountered high winds Sunday night

The 1,070-foot ship had departed Cape Liberty Cruise Port across the Hudson from New York City about 3 p.m., bound for Port Canaveral, Fla., and eventually the Bahamas three days later. The weather wasn’t superb but also not overly vicious — severe storms in the Deep South and heavy snow in New England, with the Escape set to travel through a more tranquil shield of rain in between. Maximum winds of 30 mph to 40 mph and occasional downpours looked to be in the offing

Nothing could have prepared passengers for what was to come

Shortly before midnight, the ship suddenly lurched to port. An onboard video shows passengers — who moments earlier had been celebrating the first night of their cruise — duck and cover as tables, chairs and cutlery became projectiles. The ship was northeast of the Delmarva Peninsula when it happened

Several injuries were reported,” Norwegian wrote on Twitter. “Those guests and crew received immediate medical attention or are being treated by the ship’s medical staff.”

Several injuries were reported and those guests and crew received immediate attention or are being treated by the ship’s medical staff. There was no damage to the ship; she remains fully operational and continues her scheduled itinerary. (cont.)

— Cruise Norwegian (@CruiseNorwegian) March 4, 2019 Norwegian said the ship wasn’t damaged and remains “fully operational,” with no impact to its operation or the itinerary

The culprit for the commotion? What Norwegian described as a “sudden, extreme gust of wind, estimated at 100 knots.” That’s 115 mph — above the threshold for a Category 3 hurricane

“It strikes me as a freak thing,” said Jonathan O’Brien, a meteorologist at the National Weather Service office in Mount Holly, N.J. “We’ve seen the video, and it happened not too far off our coastline. But it wasn’t a hugely powerful system.”

There was nothing to suggest a wind gust close to this magnitude would be possible. There were no reports of damaging wind anywhere in the Northeast

“I was working Sunday and left shortly before the event happened,” O’Brien said. “We were focused on heavy rain moving up the coast. It was a run-of-the-mill low-pressure system. We didn’t have any wind alerts up.”

A nearby weather balloon sounding shows why winds weren’t expected to be an issue: an inversion. The profile shows temperatures increasing dramatically with height just above the surface. That meant air near the ground and farther aloft were unlikely to mix, and strong winds wouldn’t make it to the surface

Meteorologists were left scratching their heads, but there are a few possibilities

A barometer trace from a buoy off Cape May, N.J., shows that the center of low pressure had been passing overhead at that point. Doppler radar reveals a number of heavy downpours — and a few thunderstorms — in the storm system’s “comma head” region nearby at the time

The “bow echo” off the coastline. Despite air temperatures in the upper 30s to near 40, a powerful thunderstorm developed on the leading edge of a wind-shift line. Some of the precipitation on the northern end of the squall was falling as snow. The storm quickly became a “bow echo,” a backward C-shaped storm where strong winds cause the line of storms to bow out in the middle. Even still, it’s unlikely that winds more than 60 mph to 70 mph would have accompanied that storm. And they would have lasted about 10 minutes. This gust of wind was one-and-done

Winds shift near the coast. Look at all the #lightning offshore of New Jersey right now! It’s a dynamic storm, and lots of that lightning is surviving into the snowy sector of the storm. ⚡️

A “depolarization streak” on radar shows ice crystals aligning with the electric field, rather than aerodynamically. pic.twitter.com/S3biOZACjl

Matthew Cappucci (@MatthewCappucci) March 4, 2019 There is a chance that it could have been a shallow waterspout. Radar shows a bit of rotation along the wind-shift line. Since the thunderstorm cell is so far away from the radar dome, we can’t see closer to the ground. There might have been a funnel hanging down below that the beam overshot

Most waterspouts have winds of 50 mph to 60 mph. If it was attached to the thunderstorm above — which was moving northeast at 60 mph — that could account for a brief, sporadic gust to 115 mph. There would be no way to see it coming, and no buildup. It sounds as if it would match the description

Possible rotation in the storm. O’Brien notes that “there was plenty of wind shear” that could help to spin something up, but low temperatures would make it a long shot. The fact that a thunderstorm was able to form, however, shows the atmosphere was unstable and lends support to this theory

The Escape wasn’t the only one to clock an extreme wind gust Sunday night. A rogue gust to 90 mph was measured by a weather station south of Fisherman Island near Virginia Beach

That one looks to be a mystery, too. The next-closest wind report was more than 250 miles away

This is the second stormy incident for Norwegian Cruise Lines in 15 months. Cruise Law News reports that it faces litigation for sailing into the January 2018 ” bomb cyclone .”