Temperatures are achingly cold in the stratosphere over the Arctic, which can only mean one thing: it's perfect conditions ...

Polar stratospheric clouds (PSCs) are a significant phenomenon in the polar regions, particularly during the winter months. These clouds form at high altitudes in the stratosphere and play a ...

Following the sweeping path of a cold wave through the Arctic, the skies were alight with rare polar stratospheric clouds, which presented a rainbow-like show throughout the sky. Images of the ...

Polar mesospheric clouds (PMCs), particularly noctilucent ... Recent balloon-borne experiments, such as the Stratospheric Observations of Noctilucent Clouds (SONC), have provided valuable data ...

They are actually a rare cloud called nacreous clouds or polar stratospheric clouds, they are also known as mother of pearl due to their iridescent appearance. They occur in the winter polar ...

A strong polar vortex in the stratosphere has brought subzero temperatures to the Midwest, Mid-Atlantic and deep into the South.

Professor Toon has helped conceive, develop and lead many NASA airborne field missions aimed at understanding stratospheric ... of cloud-related physical processes in models. Professor Randall's ...

However, when the stratospheric polar vortex weakens and gets “kicked ... No conspiracy, no cloud seeding, no planned effort, just good ol’ fashioned winter, like it used to be.

The layer of the atmosphere that lies between 6 and 31 miles above the surface is known as the stratosphere. The polar vortex is within the stratosphere. Because of the lack of sunlight ...