auroral chorus n. chirps, whistles, and quasi-musical sounds created by the electromagnetic effects of auroras in very low broadcast frequencies. Editorial Note: A similar phenomenon is the dawn chorus. Examples of the both can be heard here. (source: Double-Tongued Dictionary)
Further reading
After our conversation about nighttime wakefulness, a Sacramento, California, woman shares the funny story behind the term she and her husband use for that phenomenon: squeegee. This is part of a complete episode.
Related
The dialect heard in the state of Utah includes lexical items such as the hotdish casserole called funeral potatoes, as well as the mayo-ketchup condiment called fry sauce, and a particular type of scone, also called fry bread. Utah is also known...