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The Tropical Easterly Jet is the meteorological term referring to an upper level easterly wind that starts in late June and continues until early September. This strong flow of air that develops in the upper atmosphere during the Asian monsoon is centred on 15°N, 50-80°E and extends from South-East Asia to Africa.
The system was expected to develop into a tropical cyclone but was hindered by easterly wind shear and dry air. On the following day, the JTWC noted that 17W had been dissipated due to the presence of high wind shear as it headed towards the equator. The last tropical cyclone of 2023 was formed east-southeast of Yap on December 13.
The jet exhibits both barotropic and baroclinic instability, which produces synoptic scale, westward-propagating disturbances in the jet known as African easterly waves or tropical waves. These instabilities, particularly in the presence of moist-convection, cause intense lower-layer cyclonic vortices at the northern flank of the jet. [5]
The 2023 forecast was crafted meticulously and took a number of critical environmental factors into account. ... The strength of the African easterly jet usually plays a big role in the number of ...
Coco Gauff holds the winner trophy after defeating Aryna Sabalenka of Belarus in their Women's Singles Final match on Day Thirteen of the 2023 US Open in Queens, NY on Sept. 9. Al Bello—Getty Images
Check out the best news, sports and features photos taken by Los Angeles Times photographers in 2023.
The jet exhibits both barotropic and baroclinic instability, which produces synoptic-scale, westward-propagating disturbances in the jet known as African easterly waves, or tropical waves. A small number of mesoscale storm systems embedded in these waves develop into tropical cyclones after they move from west Africa into the tropical Atlantic ...
A selection of the most powerful pictures taken by news-agency photographers around the world this year.