Incredible How Fast Does The Jet Stream Travel References

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How Fast Does The Jet Stream Travel. In the northern hemisphere, the jet stream flows toward the east, giving a boost to eastward flights and working against westward flights. On average, jet streams move at about 110 miles per hour.

Flight times between New York and London slashed by jet
Flight times between New York and London slashed by jet from www.abc.net.au

Jet streams vary in height of four to eight miles and can reach speeds of more than 275 mph (239 kts / 442 km/h). This band of air generally moves faster than 50 knots (or 57 mph), but speeds upwards of 230 mph have been measured. But dramatic temperature differences between the warm and cool air masses can cause jet streams to move at much higher speeds — 250 miles per hour or faster.

Flight times between New York and London slashed by jet

This affects things nearer the surface, such as areas of high and low pressure, and therefore helps shape the weather we see. How fast is the jet stream? The river of air was clocked at more than 230 mph over long island on monday. There are several jet streams, and most of them travel from west to east just as the earth rotates on its axis.