Monday, 8 April 2013

Jet Stream still too far south for Kent summer

The jet steam is an illusive meteorological object: sometimes here sometimes there, sometimes wavy sometimes straight.  But when strong winds blow at 30ish thousand feet there is such a mass transport of air that the surface cannot remain uninfluenced. Rotation of the earth means that temperature differences cause winds to blow parallel to the change rather than from cold to hot. The polar front might be thought of as the border between summer (to the south) and winter (to the north) and represents a strong temperature change. Today's 30 000 ft winds and visible satellite imagery show the jet steam and polar front lies too far south for Kent summer. Chargeable weather will ensue for the next couple of days.

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