disastrous weather meaning in English

灾害性天气

Sandstorm disastrous weather in northwestern region
试谈西北地区沙尘暴灾害性天气
The regular operation of the meteorological satellite ground application system , in particular , has greatly improved the accuracy of forecasting disastrous weather and significantly reduced the economic losses of the state and people from such weather
特别是卫星气象地面应用系统的业务化运行，极大地提高了对灾害性天气预报的准确性，使国家和人民群众的经济损失有了明显的减少。
Typhoon , a kind of strong warm cyclonic storms occurring over tropical oceans , is one of the most seriously disastrous weather systems . therefore , it is of great immidiate significance to study and keep informed on the law of its occurrence . development and movement . to map out scientific and proper plans as soon as possible to avoid it , and to take correct and effective measures resolutely so as to ensure safe navigation of ships and the safety of crew , passengers , cargo and ships
台风是发生在热带洋面上的一种强烈的暖性气旋性风暴，是威胁船舶安全航行的最严重的灾害性天气系统之一。因此，研究、掌握台风的发生、发展和活动规律，及早制订科学合理的避抗预案，果断采取正确有效的避抗措施，对于保证船舶的安全航行、保证船员、旅客和船舶、货物的安全具有极其重要的现实意义。