Rosa Could Hit US Desert Southwest

Posted by Kyle Brookings on Monday, October 1, 2018

Tropical Storm Rosa will be a storm to watch as it heads toward Baja California.

It will also be a threat to the Southwestern United States.

Rosa is expected to bring flooding rain to the desert southwest. There will be an increased threat of flash flooding.

Maximum sustained winds have decreased to near 110 km/h. Additional weakening is forecast during the next couple of days while Rosa approaches and moves over the northern Baja California peninsula.

Rosa is expected to dissipate over northwestern Mexico or the southwestern United States by Tuesday.

Central and Southern Arizona could see 2 to 4 inches or rain. 6 inches is possible in the mountains of Central Arizona.

For the remainder of the Desert Southwest, Central Rockies, and Great Basin 1 to 2 inches are possible.

Rosa will generate swells along the coast of southwestern Mexico, west coast of the Baja California peninsula, and southern California through Tuesday.

These swells are likely to cause life-threatening surf and rip current conditions. 

The Team

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