Hurricane Hilary could dump over a year’s worth of rain on parts of the Southwest

Concern is growing Hurricane Hilary will unleash a prolific amount of flooding rainfall on the southwestern US and parts of California as it makes a rare move over the region Sunday and into early next week, triggering the first ever tropical storm watch for California.

Hilary could dump more than a year’s worth of rain in parts of three states: California, Nevada and Arizona. Because of the threat, parts of California face a rare high risk for excessive rainfall. This Level 4 of 4 threat is the first to ever be issued for this part of Southern California.

Hilary was a powerful Category 4 hurricane churning about 360 miles south of Cabo San Lucas, Mexico, Friday afternoon with sustained winds of 145 mph with stronger gusts, the National Hurricane Center said.

The storm underwent incredible rapid intensification Thursday into Friday, strengthening from a tropical storm to a Category 4 hurricane in just 24 hours. Hilary is forecast to remain a Category 4 as it approaches Mexico’s Baja California peninsula through Saturday.

Officials have issued hurricane and tropical storm watches and warnings for Baja California and northwest Mexico as Hilary’s center approaches the country through the weekend.

There remains a wide range of outcomes for the strongest winds in the US as the storm moves north over the next couple of days. Small deviations in the hurricane’s track could change the forecast for the most intense rain and wind.

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