Thundersnow is just a thunderstorm that produces snow instead of rain. This relatively uncommon phenomenon is usually found ...

This relatively uncommon phenomenon is usually found in mountainous ... Thundersnow can also occur over and around mountains as a result of orographic lift. Winds blowing up the side of ...

Parts of the UK were treated to an uncommon phenomenon this week as displays ... The weather agency say: "These lens-shaped orographic wave clouds form when the air is stable and winds blow ...

The process, known as orographic uplift, takes place when moisture-laden clouds ... Castellan noted the shadow’s effect is more pronounced over the year’s wettest months, from mid-October to March.

Orographic ascent which occurs when air is forced upwards ... However, because of a latitude effect winds in middle latitudes are lighter than those in the tropics with similarlyspaced isobars. In ...