RELATED: Crews From Far And Wide Converge On North Texas After Wind Damage Caused Tens Of Thousands To Lose Power

NORTH TEXAS (CBSDFW.COM) – Winds gusting to 60 miles an hour knocked out power to more than 100,000 people, caused hundreds of flight cancellations at DFW Airport, and snarled light rail service in two counties on Thursday.

In downtown Dallas, high winds threw debris off a skyscraper onto the street below.

Jason Evans with Dallas Fire-Rescue said a pool deck on the ninth floor of the National High-Rise Residences was threatening to blow over the edge.

Dallas Police shut down the street while the building facilities team worked to secure the deck.

At 4 p.m. today, Oncor reported more than 115,000 customers without power.

“Oncor teams are working to safely restore power caused by damaging winds, which continue to blast Dallas-Fort Worth and the entire eastern portion of our service area,” the utility said.

The National Weather Service said wind gusts hit 60 miles an hour at DFW Airport late in the afternoon.

The high winds forced the FAA to implement a ground stop for arriving flights at DFW.  The order meant flights waiting to take off for DFW from other cities had to stay put.

DFW Airport officials said the delays were also due to the runway configuration planes were required to use.

American Airlines said it had to cancel 250 flights today because of the high winds, and delays of up nearly three hours were reported by the FAA at 6:45 p.m.

An earlier power outage that had impacted DART light rail operations in downtown Dallas and Plano was fixed and service restored, the agency said.

Carrollton Police went to social media to warn of a power outage affecting the northwest parts of the city and affecting traffic.

In Mansfield, police shut down a major intersection after power lines blew down.

Denton County reported problems as well.  Denton Municipal Electric responded to reported power outages across the city, including one at University of North Texas.

In McKinney, high winds knocked down part of a tree into the street.