About 10,000 people living in the Memphis, Tennessee, area lost power Sunday due to a problem with a substation belonging to a local power company. The affected residents were all customers of Memphis Light, Gas and Water (MLGW) which experienced 85 outages Sunday, WMC, Memphis, reported. Cordova and Germantown, which together have about 75,000 residents, were among areas hardest hit.

“We’re trying to work to restore it,” MLGW spokesman Richard Thompson told the Commercial Appeal.

The outages were preceded in many neighborhoods by surges starting about 2 p.m. Even residents whose power had returned were experiencing problems, tweeting their water pressure was low.

The power and water issues concerned the National Weather Service because of Sunday’s weather. As of 2 p.m., it was 91 degrees. The agency used Twitter to tell locals to “drink plenty of fluids” and “check on the elderly.”

It’s been a weird weekend in Memphis: On Saturday, a fiber failure in Mississippi knocked out cell phone service for thousands of customers, WREG reported.

Sunday, with MLGW unable to estimate a time when the problem would be fixed and full power restored, Tennesseans took to social media to complain about the heat:

The American Red Cross recommends people experiencing power outages keep their refrigerator doors closed as much as possible, unplug all unnecessary electrical devices and avoid traveling, among other tips.

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