youdao

NASA needs good weather to launch Ares I-X because engineers need to see the rocket flight all the way through first stage separation, which will mark the end of the test.

NASA需要好天气来发射战神I-X，因为工程师们要在第一级火箭分离前观测火箭飞行全过程，第一级火箭分离标志着试飞的结束。

youdao

Officials said the rocket, partially built by Russia would blast off late in the afternoon of Aug. 19, weather permitting, and put into orbit a South Korean-built 22-pound (100-kilogram) satellite.

官员说，如果天气情况许可，总体由韩国建造部分由俄罗斯建造的22磅(100公斤)的火箭将最晚在8月19日下午发射升空，并送入轨道。

youdao

The weather was good. The scientists had planned that part of the rocket would fall into the ocean after the launch.

VOA: special.2010.06.27

Yesterday because of bad weather, the helicopters missed their target and hit a rocket dump, sending up enormous blue and green flames.

BBC: 24 February