A storm is a violent meteorological phenomenon in which there is heavy rain, and wind due to moisture in the air. Hail and Lightning are also common in storms. More rarely, Tornadoes can occur in storms.
Hurricanes, typhoons, and tornadoes are, often, called storms too but they have special names because they are very, very strong. Storms are studied by scientists called meteorologists. The idea of shipping forecasts started with a concern to save ships from unexpected storms in the North Atlantic. A storm is associated with severe weather and may be marked by strong wind, thunder, lightning and heavy precipitation such as ice. Therefore, the knowledge of the weather condition is extremely important.