Hurricane Blanca intensified off the Pacific Coast of Mexico on Saturday and has been upgraded to a Category 4 hurricane packing 130 mph winds, forecasters said.
A new Tropical Storm Warning was issued for the coast from La Paz to Santa Fe, including Cabo San Lucas, and a Hurricane Watch is in effect from Cabo San Lucas to Santa Fe, the National Hurricane Center said in an overnight update.
An earlier update said Blanca had become a "major hurricane" again.
The severe storm is expected to dump 6 to 10 inches of rain on much of Baja California Sur and the southern portion of Baja California when it hits late Sunday or early Monday, the NHC said.
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Hurricane Blanca is expected to maintain its strength before a weakening trend begins late Saturday or early Sunday, The Weather Channel said.
The resort zone of Cabo San Lucas is still recovering from Category 3 Hurricane Odile which ravaged the area in September and was the strongest storm there in 25 years.