There is a saying that when airplanes' accidents experts do not find any possible causes of the accident they blame low level stream !
I need to know what are the real causes of low level jet streams.
Regards
Upper-level jet streams are often coupled with low-level jet streams. To gain scientific insight into coupled upper-level and low-level jet streams, check out the schematic through the link below (keep in mind the northerly ageostrophic component to the wind and the corresponding divergence that occur in the left exit region of the 300-MB jet streak). In response, a region of negative pressure tendencies develops in the lower troposphere beneath the area of upper-level divergence. The pocket of pressure falls causes low-level southerly winds to accelerate, which often paves the way for a low-level jet stream. Such a low-level jet stream rapidly transports moisture northward and increases the low-level vertical wind shear.
https://www.weather.gov/source/zhu/ZHU_Training_Page/Miscellaneous/lowleveljet/lowleveljet4.gif
Regards
Dear Bachir Achour
Thanks for this informative answer.
However, I think there are many causes and mechanisms of low level jet stream.
Regards
Dear Thaer Roomi
please read through the article i hope this will help you a lot to understand the matter
https://theweatherprediction.com/habyhints2/696/
https://journals.ametsoc.org/view/journals/clim/32/16/jcli-d-18-0553.1.xml
Dear Sajid Ahammed
Thanks for answering and for suggesting this link. Actually I like the articles of the meteorogist Jeff Haby.
Regards
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