The Dallas airspace experienced a similar radar outage to the ones that affected Newark earlier this year, prompting flight delays and diversions.

If there are multiple things out there, say more raindrops, more beams will bounce back. What radar can do is measure the time it takes between emitting that pulse and the pulse coming back. With enough bounces back, that creates the shapes you see on weather radar maps.

A telecommunication outage caused Federal Aviation Administration air traffic controllers in Dallas to lose radar and some communications Friday afternoon, leading to flights being stopped at the area’s airports.

Radar and telecommunications outages wreaked havoc on both major Dallas-Fort Worth airports on Friday, according to the Federal Aviation Administration. Hundreds of flights were canceled at both Dallas Love Field and Dallas-Fort Worth International airports due to the disruption, according to WFAA-TV.

Michigan will get a round of storms this weekend, Sept. 20-21, according to the National Weather Forecast. See the forecast for cities across the state.

These Sooners could fly under the radar in No. 11 Oklahoma’s SEC opener against the No. 22-ranked Auburn Tigers.