Storm Cloud

Watch as the storm cloud morphs to predict the weather. Crystals in the cloud react to different weather conditions.

A fascinating scientific instrument dating back to the 18th century and was used during the Darwin expeditions in 1830. Watch as the storm cloud morphs to predict the weather.

•  High quality glass
•  Clear liquid: Bright and clear
•  Cloudy liquid: Cloudy, possible thunderstorms & rain
•  Small dots in the liquid: Humid or foggy
•  Large flaky crystals: Cloudy skies, snow in winter
•  Threads of crystals at the top: Windy
•  Crystals at the bottom: Frost may be coming