Polar Stratospheric Clouds - Stratosphere Temperature Chart...
Polar Stratospheric Clouds - Colorful Type II polar stratospheric clouds (PSC) form when the temperature in the stratosphere drops to a staggeringly low -85C. NASA's MERRA-2 climate model predicts when the air up there is cold enough.
Latest Stratosphere Temperature Forecast Charts for the UK and Europe...
Images are updated at regular intervals - courtesy of theweatheroutlook.com