Macro and micro physics conditions of supercooled fog dissipation operation using liquid Nitrogen with that of the cold cloud seeding are compared.

对用液氮消过冷雾和冷云催化增雨作业的宏、微观条件进行比较，找出其异同点。

youdao

Hail clouds were classified 6 kinds according to scale: thunderstorm cloud, convective cloud, mesoscale convective system, cold-cloud-nuclei, cloud field of system clouds, and edge of cloud cluster.

按尺度大小将降雹云团分为雷暴云、对流云、中尺度对流系统、冷云核、系统云系云区及云团边缘6类。

youdao

It was a harmless piece of winter, an errant cold cloud making a pit stop here, inflicting no permanent damage.

NEWYORKER: Or Else

The railway is a Soviet triumph of man over nature, built in an inhospitable land of extreme winter cold and mosquito-cloud filled summers.

BBC: A train to nowhere in Siberia

It will be similar tomorrow: breezy with bright spells, and variable cloud, but very cold again.

BBC: Schools shut after snow and ice in Wales