Stratocumulus cloud is the commonest type of cloud in the world and southern Britain has been seeing plenty of it in the past few days. A thick grey blanket of stratocumulus has blotted out the sun and made a thoroughly cold and gloomy underworld. Although today the skies are brightening, the cloud returns to the southern half of the country tomorrow. However, this weather has been largely dry, just an occasional and dreary drizzle, and no frost where the cloud has persisted through the night.
So what caused this depressing weather? A glance at a weather map shows the culprit