赤道西风（equatorial westerlies）又称低纬西风。位于赤道附近某些地区的中低层的纬向西风带。赤道西风带内扰动频繁，对大多数热带地区的雨季降水有重要影响。
分析表明，赤道西风是印度洋低纬地区的一支重要的基本气流。
It shows that these equatorial westerlies are an important basic current in the low latitudes in Indian Ocean.
印度洋上的赤道西风和越赤道气流异常对南海季风爆发的影响显著。
The impacts of the anomalies of equatorial westerly over the Indian Ocean and cross-equator flow on the SCSSM are significant.
当少台风活动时期，东亚为纬向环流，西南太平洋上赤道西风及ITCZ也弱。
During the inactive period, the circulation of East Asia is essentially zonal and the ITCZ over Southwest Pacific is weak.
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