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stormy sky ![click to hear : stormy sky click to hear : stormy sky](../../../images/speaker-vert.gif)
A thunderstorm is characterized by lightning, thunder and gusts of wind, usually accompanied by rain showers or hail.
rain ![click to hear : rain click to hear : rain](../../../images/speaker-vert.gif)
Precipitation of water droplets produced when the air temperature is higher than 0°C.
rainbow ![click to hear : rainbow click to hear : rainbow](../../../images/speaker-vert.gif)
Luminous arc formed of bands of color; during a shower, it is visible in the opposite direction to the Sun.
lightning ![click to hear : lightning click to hear : lightning](../../../images/speaker-vert.gif)
Brief but intense luminous phenomenon caused by an electrical discharge between two clouds or between a cloud and the ground.
cloud ![click to hear : cloud click to hear : cloud](../../../images/speaker-vert.gif)
The very imposing cloud that generates thunderstorms is the cumulonimbus; it can reach a thickness of 10 km and its base is very dark.