👉 The term "jetstream" is a geographical term that refers to the phenomenon of strong, persistent and often moving winds or currents in the atmosphere. Jet streams are formed when warm air from the tropics and equatorial regions of the world flow over colder air masses and then cool down as they move through the atmosphere. The jet stream plays an important role in shaping weather patterns, including temperature differences between high-pressure systems and low-pressure areas. In meteorology, jets are often described as "high pressure
