Mexico could see life-threatening floods due to Hurricane Polo

Residents of Mexico’s Baja California Sur state boarded up homes and workers hauled dirt and rubble to shore up embankments as Hurricane Polo bore down on the peninsula on Monday, threatening high winds, floods and mudslides.

Meanwhile, Hurricane Nolo could still bring torrential rain to parts of Hawaii even as the storm edged away from the state.

In Mexico’s Puerto San Carlos, a fishing town of about 5,700 people, some feared high tides and pounding waves from Polo could breach barriers and send seawater into the community.

Some families planned to head to shelters in Ciudad Constitucion, about 60 km (37 miles) away, while dozens of people elsewhere in the state were evacuated.

“Civil Protection told those of us here in San Carlos to evacuate because this is a high-risk area. With the current tides, the expected waves and the wind, the earthen barriers they built (to prevent flooding) could give way,” said Rocío Sánchez, a fisherwoman.

Polo was a Category 3 storm with top sustained winds of 115 mph (185kph) on Monday morning, the US National Hurricane Centre in Miami said.

Forecasters said it would hit the Mexican mainland after lashing Baja California Sur with heavy rains, potentially causing life-threatening flooding and mudslides.

It could bring heavy rain and flooding to parts of the US Southwest later in the week.

“Polo is forecast to be near major hurricane strength when it reaches Baja California Sur later today, and is anticipated to be a hurricane when it makes landfall in mainland Mexico late tonight or early Tuesday morning,” the centre said.

As swirling clouds and strong winds marked the region, Laura Velázquez, national coordinator of Mexico’s Civil Protection Agency, reported that Polo would make landfall later in the afternoon.

At a Monday morning news briefing, she urged residents to stay off the streets and seek shelter if their homes are at risk.

She said travel would be suspended in the area where the hurricane was expected to make landfall and that ports across the region would be closed.

Nolo, meanwhile, was well southwest of Hawaii and moving away from the Big Island as the weekend drew to a close, but a wind advisory and high surf advisory remained in effect for parts of the island through Monday morning.

Nolo’s maximum sustained winds had increased to near 155 mph (249kph).

Storm activity in the Pacific has been above average during what is already the peak of hurricane season, according to National Weather Service lead forecaster Bob Oravec.

He said that pattern is consistent with El Nino years, when the Pacific often sees more tropical storms and hurricanes.

With Polo approaching Mexico, the Mexican navy said it has gathered personnel and humanitarian aid in the ports of Guaymas and Mazatlán, on the Pacific Coast, and deployed three vessels that could ship aid to coastal communities isolated by the storm.

One of the towns in the hurricane’s projected path is San Juanico, a small fishing community on Baja’s Pacific coast.

The town has only had full-time electricity for a few years, and still experiences frequent outages.

There is concern that washed-out roads could block access to medical facilities.

“Our people are concerned about this event,” said Gloriely Robles Meza, a manager at a small hotel. “We haven’t faced such a worrying situation in many years.”

Robles Meza said on Sunday that soldiers arrived in San Juanico to prepare a shelter and provide support for possible emergencies.

Also on Sunday, Tropical Storm Rachel formed well off Mexico’s southwest coast.

The hurricane centre said Rachel had maximum sustained winds of 45 mph (72kph) and was located about 402 km (250 miles) south of Acapulco. No coastal watches or warnings were in effect.

Forecasters said Nolo’s outer bands could cause life-threatening flooding and mudslides, with parts of the Big Island possibly getting up to 20 inches (50cm) of rain. Heavy rain also was expected on the other islands.

More than 120 National Guard members were activated, part of roughly 400 statewide after the governor issued an emergency proclamation.

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President Donald Trump recently approved an emergency declaration, authorising the Federal Emergency Management Agency to coordinate help and provide funding support.

Hawaii residents are still recovering from Hurricane Lala, which produced heavy rain and winds strong enough to sweep about 100 homes off their foundations on the Big Island.