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…
Tags: arctic
The National Oceanic and Atmospheric Administration (NOAA) presented the 2022 Arctic Report Card, highlighting that the warming Arctic reveals shifting seasons, widespread disturbances, and the value of diverse observations.
Issued annually since 2006, the Arctic Report Card is a timely and peer-reviewed source for clear, reliable and concise environmental information on the current state of different components of the Arctic environmental…