PHOENIX -- With rain falling in parts of Greater Phoenix early Wednesday morning, the National Weather Service has kept its flash-flood advisory in place Wednesday until 8 a.m.
The weather service had issued a flash flood warning for Maricopa County until 10:45 p.m. Tuesday, but storms pounded portions of the Valley.
The weather service said showers and thunderstorms will produce heavy rainfall that will lead to flooding of urban areas and normally dry washes. A severe storm warning for both Maricopa and Pinal counties ended at 7:17 p.m.
Phoenix streets began flooding during rush hour, leading to heavy delays across the city. Phoenix Fire Capt. Ruben Saavedra said at least 11 people had to be rescued near 19th Avenue and Dobbins in south Phoenix when the street turned into a river.
Local TV news reported that almost 1.5 inches of rain fell in Mesa, while Gilbert had .31 inches and Tempe with .31 inches. Numerous downed trees or power lines in Tempe have also blocked many routes.
Meanwhile, Arizona Public Service reported that power had been knocked out to 6,000 customers, most in Tempe, but that number has since decreased.
As of 9 p.m. 475 customers without power, down from 6,000. Storms still going on, reports of new outages continue.— APS (@apsFYI) August 13, 2014
Flights at Phoenix Sky Harbor International Airport even experienced delays of up to one hour during the storm. The airport received 0.38 inches of rain.
A monsoon storm also dumped up to 2 inches of rain on parts of northwest Tucson.
Authorities said Tuesday afternoon's storm also caused flash flooding in Saguaro National Park's Tucson Mountain (West) District. Some dirt roads in the park were washed out and had to be closed.
Police in the southern Arizona town of Marana said several roads were closed due to flash flooding caused by the heavy rainfall.
There have been no reported injuries.
A flash flood watch will be in effect for the Phoenix area and much of south-central and southwestern Arizona through Wednesday morning. Drier conditions are anticipated by Thursday.