how do jet streams affect weather yahoo
Report Abuse. Jet streams drastically affect our weather and climate. They carry both heat and energy. They are one of the most important influences on atmospheric circulation.They are not only a cause but also a consequence of the frontal processes in the atmosphere.A Jet Stream is a long narrow meandering current of strong, high, speed winds.ecause of it, we tend to have warmer weather than our longitudinal counterparts. The drawback is that it gives us a lot of rainy weather, and once back in the fifties a hurricane even found its way up the jet stream to the coast, causing catastrophic damage.