What started as Invest 90E off the coast of Mexico in the eastern Pacific Ocean has now become Tropical Storm Hilary, which is expected to bring heavy rains to parts of California and the Southwest by the end of the weekend and next week.
A cyclone is declared a tropical storm when maximum sustained winds reach at least 39 mph, and much like its fellow tropical depressions and hurricanes, the impacts can be significant.
Here’s a look at Tropical Storm Hilary, which is expected to become a hurricane by Thursday.
Where is Tropical Storm Hilary?
Tropical Storm Hilary is located about 390 miles south of Manzanillo, Mexico, and is moving west-northwest at 12 mph with maximum sustained winds of 50 mph.
What is the forecast for Tropical Storm Hilary?
The National Hurricane Center (NHC) says Tropical Storm Hilary is expected to continue moving west-northwest with a gradual turn to the northwest within a day or two.
According to the NHC, steady to rapid strengthening is expected over the next few days and Hilary is expected to become a hurricane on Thursday.
What are the impacts of Tropical Storm Hilary?
Strong swells generated by Tropical Storm Hillary will affect parts of the southwest coast of Mexico and the Baja California Peninsula for the next few days.
These swells, according to the NHC, are likely to cause life-threatening surf and rip currents.
As Tropical Storm Hilary nears the US-Mexico border, millions of people living in Southern California and the Southwest will need to keep an eye out for a surge of tropical humidity that is expected to impact the region. .
“It looks like a corridor will open up between a sharp decline in the jet stream along the west coast and the super strong heat dome over the central United States,” said hurricane expert Bryan Norcross. from FOX Weather.
“Tropical moisture likely coming from Hilary has a good chance of spreading north in this river of air into heavily populated areas west of the Southern California mountains and desert areas to the east. “
Several centimeters of rain could fall in the region from the end of the weekend to the middle of next week.
Parts of Southern California will likely see 2-3 inches of rain, with locally higher amounts of 3-5 inches possible.
To the east, 1 to 2 inches of rain are expected, with locally higher amounts.