unusual weather

But sometimes there is an unusual weather condition called a temperature inversion.

但有时会有一种被称作“温度逆增”的不平常的天气状态.

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Like most cases of extreme weather, its severity was due to an unusual confluence of events.

如同大多数极端天气状况一样，其剧烈程度是由于几种气象条件反常地汇集在一起造成的。

《柯林斯高阶英汉双解学习词典》

With the Outing Longwave Radiation ( OLR) data sets observed by the NOAA satellites, the diagnostic analyses of the OLR characteristics over the tropical and subtropical regions and its ( impacts) on the unusual weather processes in China in the summer of 2003 are done.

利用NOAA卫星观测的多年平均OLR及2003年的OLR资料，分析了2003年夏季OLR场的异常特征及其与2003年中国夏季异常天气的关系。

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Every morning I do the same thing, although I am now different from before, always dreaming of unusual encounters and always wishing to inspire fervent from fanatical visions by such unusual weather, like today.

每条小狗都很生动，每只鸽子都很乖巧。每个早晨都要这样，虽然我已经不同以往，总是幻想奇遇，总是渴望付出烈火般的激情，又总是被乖戾的现实玩耍，被今天这难得的天气从狂热中唤醒。

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Today. as if has any disaster. I feel restless. the weather is unusual.

今天. 似乎有什么灾难. 我感到不安. 天气异常.

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The weather is a bit unusual these days.

最近天气有点儿反常.

《现代汉英综合大词典》