Extratropical cyclone Current Affairs, GK & News
Heavy rains from Tropical Depression Imelda deluged parts of Texas and Louisiana of the US. The Imelda storm system brought the risk of severe weather disruptions and prompted tornado warnings Thursday morning in the areas hit hardest by the flooding. Tropical Storm Imelda Tropical Storm Imelda was formed out of an upper-level low that developed in ..
Topics: Cold-core low • Cyclone • Extratropical cyclone • Meteorology • Physical geography • Subtropical cyclone • Tropical cyclone • Tropical cyclones • Tropical Storm Ana • Vortices • Weather hazards
A storm is considered a ‘bomb’ when the pressure drops rapidly — at least 24 millibars in 4 hours. Bomb cyclones also draw air from polar regions after it weakens. This can happen when a cold air mass collides with a warm air mass, such as air over warm ocean waters.