Tags: stuck weather
Jet streams are relatively narrow bands of strong wind in the upper atmosphere, typically occurring around 30,000 feet in elevation, that blow from west to east. The normal westerly flow leads to week-to-week variations in the weather, modulated in the mid-latitudes by ridges and troughs in the jet stream.
The influence of a high-pressure ridge, for example, produces clear, warmer weather conditions; a trough in the jet stream is typically…