Sentences with phrase «polar easterlies»

Wind patterns must have included strong polar easterlies at high northern latitudes, prevailing westerlies at midlatitudes, and northeast trade winds in the tropics.
Consequently, the water vapour in air over Greenland predominantly is picked up from polar easterlies as they travel south.
There are three large average surface wind patterns few know about: the tropical easterlies (tradewinds), the midlatitude westerlies and the polar easterlies, but variability results in significant weather changes.
In the northern polar regions, where water and land are interspersed, the polar easterlies give way in summer to variable winds.
Poleward of 60 ° N and 60 ° S, the winds generally blow westward and equatorward as the polar easterlies.
The easterly Trade Winds and the polar easterlies have nothing over which to prevail, as their parent circulation cells are strong enough and face few obstacles either in the form of massive terrain features or high pressure zones.
The air flows at the surface are called the polar easterlies.
Three surface wind belts encircle each hemisphere: trade winds (equator to 30 degrees latitude), westerlies (30 to 60 degrees), and polar easterlies (60 to 90 degrees).
The entire pack slowly rotates round the Pole driven by the polar easterlies, but location and break up are affected by wind patterns, which some already knew, but NASA finally acknowledged caused the changes in 2007 and again in 2012.
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