Powerless Puerto Rico’s storm crisis deepens with dam threatening to fail – World

Puerto Rican officials have been unable to communicate with more than half the towns in the U.S. territory as they rush to evacuate tens of thousands of people downstream of a failing dam, and as the massive scale of the disaster wrought by Hurricane Maria starts to become clear.

Authorities launched an evacuation of the area downstream from the Guajataca Dam in northwest Puerto Rico, where 70,000 people live, sending buses to move people away Friday and posting frantic warnings on Twitter that went unseen by many in the blacked-out coastal area.

“This is an EXTREMELY DANGEROUS SITUATION,” the U.S. National Weather Service wrote. “All the areas around the Guajataca River must evacuate NOW. Your lives are in DANGER.”

The 316-metre dam, which was built around 1928, holds back a human-made lake covering about five square kilometres. Nearly 40 centimetres of rain fell on the surrounding mountains after the Category 4 Hurricane Maria left the island Wednesday afternoon, swelling the reservoir behind the nearly 90-year-old dam.

An engineer inspecting the dam reported a “contained breach” that officials quickly realized was a crack that could be the first sign of total failure of the dam, U.S. National Weather Service meteorologist Anthony Reynes said.

‘Really, really dire’

“There’s no clue as to how long or how this can evolve. That is why the authorities are moving so fast because they also have the challenges of all the debris. It is a really, really dire situation,” Reynes said.

Government spokesman Carlos Bermudez said that officials could not reach 40 of the 78 municipalities on the island more than two days after the hurricane crossed the territory, toppling power lines and cellphone towers and sending floodwaters cascading through city streets.

Officials said 1,360 of the island’s 1,600 cellphone towers had been downed, and 85 per cent of above-ground and underground phone and internet cables were knocked out. With roads blocked and phones dead, officials said, the situation may be worse than they know.

“We haven’t seen the extent of the damage,” Gov. Ricardo Rossello told reporters in the capital. Rossello couldn’t say when power might be restored.

Maj. Gen. Derek P….

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