Like regular lightning, red lightning is caused by a build-up of electrical charge in clouds ... Red lightning isn’t the only upper-atmosphere phenomenon that can be triggered by thunderstorms.

In early reporting, Portugal’s grid operator REN was quoted as blaming the event on a rare phenomenon known as “induced atmospheric ... failures between the electrical systems, leading to ...

In early reporting, Portugal's grid operator REN was quoted as blaming the event on a rare phenomenon ... atmospheric vibration." These oscillations caused synchronization failures between the ...

In early reporting, Portugal's grid operator REN was quoted as blaming the event on a rare phenomenon known as“induced atmospheric ... growing environmental and electrical stress, centralised ...