These regions are under the influence of westerly winds , suggesting that the soot in question originated in europe .
这些地区受西风影响，因此研究人员正讨论这些烟灰可能来自于欧洲。
Pakistan 's meteorological department said the worst flooding in the country 's history was caused by unusually heavy monsoon rains and a westerly weather system entering pakistan .
The relatively mild westerly winds that have kept britain from freezing much of this winter have been blocked by fierce high pressure over north-west russia , centred on an area just south of the barents sea .
