As Midwinter Day approaches in Antarctica – the longest and darkest day of the year – those spending the winter on the frozen continent will follow a tradition dating back more than a century to the ...

All clouds form as a result of saturation – that’s when the air contains so much water vapor that it begins producing liquid or ice. Once you understand how certain clouds develop their shapes ...

Puffy to wispy, barely there or dark and menacing, clouds come in many shapes and sizes. Each tells a story about what’s going on in the atmosphere.

A photo shows the landscape of the indoor rime ice laboratory at the Jilin Beishan Four Seasons Cross-country Ski Park in Jilin city, Jilin province. [Photo provided to chinadaily.com.cn] As ...

They freeze individually. Clear rime ice results when supercooled water freezes slowly. The ice that results is, obviously given its name, clear. It is also denser than the other forms.

Aircraft flying into weather that is producing snow showers will often report rime ice accretion. Normally the most significant accretion isn’t from the clouds producing the snow, but those ...

Rime ice extends several feet horizontally from a sign marking the summit of 5,774-foot Mount Adams, the second-highest mountain in New England, on Tuesday, Nov. 17, 2015, in northern New Hampshire.

POOLVILLE, Texas — The National Transportation Safety Board released a preliminary report detailing how a father and his two sons died in a plane crash last month in Parker County. Dr. Heath ...

Rime also occurs over high ridges where clouds accompany extended periods of below-freezing air, such as on top of Mount Washington in New Hampshire, which frequently experiences the phenomenon. Ski ...

While winter often brings challenges like slippery ice, snow shoveling and hazardous travel, it also gifts us with stunning natural spectacles. One such wintry phenomenon is hoarfrost, where ...

Small droplets make a rough, pebbly surface, called “rime” ice, which is more dangerous than glaze because it quickly changes the plane’s airfoil (the wing shape, on which the plane’s ...

Additionally, though rime ice is beautiful, it can cause similar hazards to snow when it accumulates on trees. The extra weight can pull down limbs and trees, potentially causing damage and power ...