Oct 03, 2018

Tropical Storm Rosa Brings Record Rainfall to Phoenix, Ariz.

As the storm moves north, flash flood warnings remain in effect

Flooding in Phoenix, Ariz., due to Tropical Storm Rosa
Flooding in Phoenix, Ariz., due to Tropical Storm Rosa

On Oct. 2, remnants of Tropical Storm Rosa brought record rainfall and flash floods to Phoenix, Ariz. The National Weather Service recorded 2.35 in. of rain at Phoenix Sky Harbor Intl. Airport as of the evening of Tuesday, Oct. 2., making Tuesday the rainiest October day ever recorded in the area. Additionally, the day marked the eighth rainiest day in Phoenix recorded history, as reported by the Associated Press.

Weather forecasters have cautioned that the flood risk in the Phoenix area will continue through Wednesday, Oct. 3, as rain continues to fall. A flash flood warning has been issued for Yavapai County and Phoenix County. A flash flood watch issued for south-central Arizona has been extended. Additionally, water levels at the Menagers Dam are within 1 ft of overtopping and authorities caution the earthen dam may fail, potentially flooding the community of Ali Chuk on the Tohono O’odham Nation’s reservation west of Tucson.

In southern Arizona, the city of Yuma, along the U.S. and Mexico border faced flooding and power outages across the city, as well as at least six road closures, as reported by CBS News.

As the storm continues to move north, flash flood watches are in effect in parts of Arizona, California, Nevada and Utah.