Weather index insurance presents a new stage of agricultural insurance. Weather index insurance reduces the information asymmetry to overcome adverse selection and moral hazard in some way.

近年来出现的天气指数保险代表了农业保险的新进展，它减少了农业保险中的信息不对称，从而在一定程度上克服了逆向选择和道德风险。

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Meantime there are two kinds of weather of the cold wave, one of them is expressed as rainy or snowy day near the front, another is successive clear days result in severe frost hazard.

在云南存在锋面附近的雨雪天气和造成重霜冻的晴好天气两种寒潮天气过程。

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Imagine that the next time a volcano erupts in Iceland, the airlines are able to treat it as though it was no more than a simple weather hazard, like fog.

BBC: Flying through volcanic ash clouds