This is a rare event that occurs when Earth encounters closely grouped meteors within a meteor stream. Such events can see meteor rates exceeding 1000 per minute.
a period of meteor activity when more than 1000 meteors per hour can be seen from Earth. Meteor showers usually take place when the Earth passes through a very dense stream of comet debris (also known as a "meteoroid stream").
A high intensity meteor shower, generally accepted where observed rates of meteors exceed 1,000 per hour. Storm conditions are rare and typically of short duration.
The rare occasion (a few times per century) when the sky is filled with meteors. It is usually defined as when the meteor rate exceeds 1000 per minute.