Optical Phenomena in Antarctica: Nacreous Clouds

Welcome back to what is likely my last post in the atmospheric optical phenomena in Antarctica series. This post will be centered on nacreous clouds. Nacreous clouds are a type of polar stratospheric cloud. Polar stratospheric clouds are clouds made of ice that occur high in the atmosphere (in the stratosphere) at very cold temperatures,… Read More

End of Winter

We’ve almost made it, in less than a week the winter season at McMurdo will officially end and the winfly (winter fly-in) season will begin. This transition corresponds with the first sunrise. On August 18th, the sun will come above the horizon for the first time in nearly 4 months (since April 24th). We won’t… Read More