Hilary grows into major hurricane in Pacific off Mexico

This satellite image taken at 10:50am EDT on Thursday, Aug. 17, 2023, and provided by the National Oceanic and Atmospheric Administration (NOAA) shows Hurricane Hilary off the Pacific coast of Mexico. (NOAA via AP)

MEXICO CITY — Hurricane Hilary strengthened into a major storm Thursday evening off Mexico’s Pacific coast, and it could bring heavy rain to the southwestern U.S. by the weekend.

The U.S. National Hurricane Center said Hilary’s maximum sustained winds had risen to 120 mph (195 kph), making it a Category 3 hurricane.

The storm was expected to grow into a Category 4 hurricane Friday while on a projected path that threatened landfall on the central Baja California peninsula by Sunday or possibly keep just offshore while heading for Southern California.

Hilary was centered about 445 miles (715 kilometers) south of Los Cabos on the southern tip of the Baja peninsula. It was moving west-northwest at 14 mph (22 kph), but was expected to take a more northward heading in the coming days.

The hurricane center said that as Hilary moves onto or brushes the Baja pensinsula, it could possibly survive briefly as a tropical storm or tropical depression and cross the U.S. border.

No tropical storm has made landfall in Southern California since Sept. 25, 1939, according to the National Weather Service.

“Rainfall impacts from Hilary within the Southwestern United States are expected to peak this weekend into Monday,” the hurricane center said. “Flash, urban, and arroyo flooding is possible with the potential for significant impacts.”

The area potentially affected by heavy rainfall could stretch from Bakersfield, California, to Yuma, Arizona, as well as some parts of southern Nevada.

The outlook for excessive rainfall in Southern California stretches from Sunday to Tuesday, according to the Los Angeles weather office.

While the odds are against Hilary making landfall in California as a tropical storm, there is a high chance of major rain and flooding, UCLA climate scientist Daniel Swain said in an online briefing Wednesday.


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