After nearly 10 days, the smog is clearing out.Nationa Weather Service meteorologist Hayden Manhan said athe iAfter nearly 10 days of an inversion, The National ...

Advertisement Why we're getting such bad fog, smog, "super fog" right now A dangerous combination of a temperature "inversion", fog, and smoke ...

If colder air moves in above, then that layer of warmer air goes away and the inversion is “broken,” Weyman explained. Winds, rain and storms also help to clear the air.

This warm layer traps the air beneath, preventing it from rising, and leading to a stagnant air mass. A temperature inversion prevented the smog from rising.

Subsidence inversion happens when a large slab of air sinks through the atmosphere. This layer is heated and compressed by the resulting increase in atmospheric pressure; this reduces the rate of ...

Blame triple-digit temperatures and a stubborn inversion -- a warm-air layer that traps smog over valleys like a trash can lid -- say air quality regulators.

The science of sound: How does sound travel in Chicago? From sound “canyons” to temperature inversion layers, we looked at the factors that influence how sound moves in the city.

The atmosphere often is highly layered, particularly when a temperature inversion blocks intruding air from above and below. A University of Washington scientist says that can mean a lower layer ...