Overnight and morning rains on Sept. 8 flooded Phoenix metropolitan streets and caused closures.
More than three inches of rain was reported at many Flood Control District of Maricopa County rain gauges in the East Valley — including in Mesa, Apache Junction and Gilbert — according to its website.
A flash-flood warning continued until 5 p.m. for a portion of south-central Arizona, including the greater Phoenix area and northwest Maricopa County, according to the National Weather Service website.
Classes held before noon were cancelled at all Maricopa County Community College District sites, including Chandler/Gilbert Community College, according to a district press release.
Later, the MCCCD reported that classes were cancelled for all day, Sept. 8, according to the website.
Social media played a role in keeping residents updated about flooding, road closures and clean-up efforts.
“We are under a flood advisory until 6 p.m. Sandbags are available at Fire Station 2 and at Ellsworth & Crewse Lane (south of Dog Park),” according to a post of the town of Queen Creek’s Twitter feed at 4:48 p.m. It was one of many such posts throughout the day on Facebook and Twitter.
It also used e-mail to communicate about road closures.
In an early press release, the town reported the following roads were closed at 8:15 a.m. in Queen Creek: Bell Road south of Hunt Highway, southbound lanes of Ellsworth Road at Hunt Highway, Riggs Road at 196th Street, Sossaman Road between Ocotillo and Chandler and Riggs Road between Power and Hawes.
In the same press release it reported Desert Mountain Park, Founders’ Park and the Community Arena at Horseshoe Park and Equestrian Centre were closed. The town also reported residents could pick up pre-filled sandbags at the entrance to Goldmine Equestrian Estates and at Cloud and 188th Street.
The town also used social media to follow up on storm damage.
“Did you receive damage from Monday’s storm? The town is taking an assessment of the damage,” it posted at 7 p.m. Sept. 11 on Twitter.
Pinal County Public Works crews kept busy with roadways affected by the monsoons in San Tan Valley.
It used e-mail to communicate about closed roads due to high water in and around washes, according to a press release.
According to one release, San Tan Valley area closures due to flooding included: Empire Boulevard from Ellsworth Avenue to Gary Road, Hunt Highway eastbound lane from Empire Boulevard to Thompson Road, Hunt Highway from Mountain Vista Boulevard to Village Lane, Hunt Highway from Copper Mine Road to Arizona Farms Road and Magma Road from Stardust Drive to Hunt Highway.
The county maintains a rainfall map on its website. People may also call the Pinal County Road Closure Update Line at 520-866-6078.
The Arizona Department of Transportation posted updates to its Twitter feed on closures and reopenings.
“Pumps are working as hard as they can on Valley freeways. Once the rain stops we’ll get things cleaned up as fast as we can,” according to an ADOT Twitter post around 8:14 a.m. that day.
At 8:25 a.m., ADOT was reporting obstruction hazards of flooding and possible stopped traffic reported in the East Valley on Loop 202 Santan Freeway, Loop 202 Red Mountain Freeway and U.S. Highway 60.
The National Weather Service reported that monsoonal moisture moving inland from the Gulf of California helped produce showers and thunderstorms over parts of the Southwest/Southern California/Great Basin and into parts of the Southern/Central Rockies through Tuesday, according to the NWS website.
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