(CNN) — Patricia – the strongest hurricane ever recorded – barreled closer and closer Friday morning to Mexico’s Pacific coast, where residents have been told to brace for its 200-mph sustained winds and torrential rains.
The Miami-based meteorological center, in its 10 a.m. CT (11 a.m. ET) advisory, warned of a “potentially catastrophic landfall … in southwestern Mexico” late that afternoon or early evening. While its strength could fluctuate, “Patricia is expected to remain an extremely dangerous Category 5 hurricane through landfall.”
Patricia has potential to cause massive death and destruction over a large swath of the Mexican Pacific coast, including the tourist hot spots of Puerto Vallarta and Acapulco.
Citing observations by hurricane hunters, Patricia is “the strongest hurricane on record in the National Hurricane Center’s area of responsibility (AOR) which includes the Atlantic and the eastern North Pacific basins,” according to a Friday morning forecast discussion.
The closest contender, at this point, might be Hurricane Camille when it battered the U.S. Gulf Coast in 1969. Regardless, Patricia looks to be more powerful than that storm, Hurricane Andrew in 1992, Katrina in 2005 and many others.
It’s already surpassed them in one way: Its central pressure reading – the weight of the air above a system – which is a key measure of any storm’s strength.
The early Friday central pressure recording of 880 millibars (the barometric pressure equivalent is 25.98 inches) “is the lowest for any tropical cyclone globally for over 30 years,” according to the Met Office, Britain’s weather service.
Patricia’s intensity is comparable to Typhoon Haiyan, which hit the Philippines in 2013, the World Meteorological Organization tweeted. More than 6,000 people died in Haiyan, due largely to enormous storm surges that rushed through coastal areas. Haiyan had 195-mph sustained winds when it made landfall, while Typhoon Tip was at 190 mph (and had a slightly lower pressure reading of 870 millibars) in 1979.
Whether or not Patricia measures up to those Asian typhoons when it slams Mexico, CNN meteorologist Chad Myers said, “This is the only hurricane that’s ever been this powerful.”
Mexico’s Pacific coast on high alert
Late Friday morning, the storm was centered 125 miles (75 kilometers) southwest of Manzanillo, Mexico, and 195 miles south of Cabo Corrientes.
Moving at a 10-mph clip, it’s forecast to pivot north-northeast later Friday and pick up speed – especially after it makes landfall, when Patricia should both accelerate and “rapidly weaken over the mountains of Mexico.”
A hurricane warning, which means hurricane conditions were expected within 24 hours, extends from San Blas to Punta San Telmo. A larger area, from east of Punta San Telmo to Lazaro Cardenas, is under a hurricane watch.
Mexican authorities worked to get ready for, and get the word out, about the onslaught.
In a meeting that started Thursday night and extended into Friday morning, President Enrique Pena Nieto directed members of his cabinet to take immediate action in the face of what was then predicted to be the strongest hurricane in the eastern Pacific in the past 50 years, according to the official Notimex news agency.
Officials were urged to alert those on the coast, especially in the states of Jalisco, Colima and Nayarit. Classes were canceled Friday at schools in many of these locales ahead of the storm.
The preparations included piling up sand bags along beaches in places such as Manzanillo in hopes of blunting what’s expected to be a significant storm surge.
And all flights to and from Puerto Vallarta’s airport were suspended Friday morning ahead of the storm, Mexico’s federal police tweeted.
The National Hurricane Center also warned about swells that “are likely to cause life-threatening surf and rip current conditions.”
In addition to these surges, rough surf and powerful winds, Patricia is expected to dump 8 to 12 inches of rain – and possibly 20 inches in some spots – along the Mexican coast.
“These rains could produce life-threatening flash floods and mudslides,” the U.S. weather agency said.
El Nino contributes to storm’s strength
One other thing alarming about Patricia is its rapid rise in intensity. It rated as a tropical storm early Thursday, but 24 hours later it had become a Category 5 hurricane.
The storm is expected to roll over Mexico’s Sierra Madre, likely significantly dulling its intense winds in the process. But much of the system’s precipitation should roll on – potentially up to Arkansas, Louisiana and Texas, a state that’s now facing 3 to 6 inches in many areas from another system.
Still, while the Patricia-related rainfall could be significant in the United States, it pales to what people in Mexico will experience.
Those on that Latin American country’s west coast are no stranger to tropical storms, of course. But Patricia is special, in part because of the global, regular weather phenomenon known as El Niño.
Among other effects, El Niño has contributed to ocean waters off Mexico being 2 to 3 degrees warmer than usual.
“That warm water from El Niño probably just pushed this slightly over the edge to be the strongest storm on record,” CNN’s Myers said.
About the only good news about Patricia, as of Friday morning, was that its center was fairly compact, with hurricane-force winds only extending 30 miles out from its eye.
That’s a plus for anyone who gets brushed by the hurricane, but no consolation for those – perhaps in Manzanillo, about 170 miles south of Puerto Vallarta – who get hit directly.
“That’s almost like an F4 or F5 tornado that can be 5 or 6 miles wide, just tearing up the coast as it makes landfall,” said Myers. “… Can you imagine being the center of this eye, … and then get hit by the eye wall doing 200 mph?
“It will be a devastating blow.”
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