The immediate cause of the problems is the behaviour of the jet stream, a band of high-level wind that travels east around the world and influences much of the weather below it.
引起这些问题的直接原因是急流[注1]的运动方式 ----在高空、绕地球向东流动并能给下面的天气造成很大影响的一股风。
Up near the jet stream above New York, the wind power density can reach 16 kilowatts per square meter.
在纽约上空的射流层(对流层顶)附近,风能密度可达16千瓦每平方米。
The calculated results show that the calculated diagnostic wind fields are more similar to climatology than the geostrophic wind fields, especially, in the jet stream area.
通过对结果的分析,发现用此方法得到的诊断风场比地转风场更接近实际,特别是急流区。
Two wind maxima with jet-stream characteristics often occur, one above the other, in the lower troposphere by the south side of therainstorm area over South China in summer.
华南暴雨区南侧对流层中下层常常同时存在两个大风层且各具急流的特征。
The article presents that the supergeostrophic wind of subsynoptic scale low-level jet stream is mainly caused by the isallobaric wind superimposing on the geostrophic wind field.
本文指出次天气尺度低空急流的超地转特征主要是由变压风叠加在地转风场上所致。
It is emphasized that the direct feed-back effect of heavy rain on the jet stream is to increase the isallobaric wind.
明确了暴雨对急流反馈的直接效果就是增加其变压风。
Especially in Somalia jet stream region over the Arabian Sea, strong SW wind of force 6 ~ 8 grades or more usually blows in summer.
特别是在阿拉伯海的索马里急流区,夏季经常有6 ~8级以上的西南大风。
Especially in Somalia jet stream region over the Arabian Sea, strong SW wind of force 6 ~ 8 grades or more usually blows in summer.
特别是在阿拉伯海的索马里急流区,夏季经常有6 ~8级以上的西南大风。
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