Hurricane Rosa to downgrade to tropical storm before making landfall in Mexico

Larry Hoffman
October 1, 2018

Hurricane Rosa weakened slightly but was still a major hurricane Friday as as it churned toward the Mexican coast, the National Hurricane Center said.

Rosa is now a Category 2 hurricane, down from Thursday's ranking of Category 4 on the Saffir-Simpson scale which has a maximum of five. The storm was moving northwest at 6 miles per hour and had 120 miles per hour maximum sustained winds.

The National Hurricane Center said the main hazard is heavy rainfall in Mexico and the American Southwest.

Forecasters are warning against anyone stepping out in the desert on foot during the tropical rainstorm as sandy, dusty canyons could very quickly become raging rivers or dust storms.

Forecasters expected the storm to drop between 3 inches to 6 inches in Baja California and northwestern Sonora with isolated totals up to 10 inches.

Its moisture is expected to bring rain to southeastern California but low pressure to the northwest could pull moisture as far up as Los Angeles County.

It is expected to make landfall on the western coast of Mexico late Monday or early Tuesday. It was heading north-northeast at 19km/h.

The heaviest rain will fall on Tuesday as the forecast predicts the center of the remnant hurricane could pass close to Phoenix, but Matthew Hirsch, a meteorologist at the NWS in Phoenix, said heavy rain will be widespread regardless of where the center ends up.

Hurricane Rosa is forecasted to turn sharply north and gradually weaken as it heads toward northern Baja California.

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