Vortices Current Affairs, GK & News

Tropical Storm Imelda causes Havoc

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 ..


Stronger hurricanes might activate climate change

A study says that Hurricane Maria that killed 3000 people in 2017, have changed the cover of the forest. Certain species have started to decline after the hurricane. The single hurricane killed twice as many trees as the 2 hurricanes Hugo and Georges. In the past, the larger trees like mahogany were more resilient to ..


RIMES terms Titli cyclone ‘rarest of rare’

Regional Integrated Multi-Hazard Early Warning System (RIMES) for Africa and Asia has termed ‘Titli’, the severe cyclonic storm that devastated Odisha in October 2018 as ‘rarest cyclone’. Earlier, India Meteorological Department (IMD) had called formation of Titli as ‘rarest of rare’ occurrence after this severe cyclone had changed its path after making landfall. Key Facts ..




Bomb Cyclone

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.



An anti-cyclone also known as a high pressure area is a large atmospheric circulation system with the wind flowing clockwise around it in the Northern Hemisphere, an counter-clockwise in the Southern Hemisphere. Anticyclones form from air masses cooling more than their surroundings, which causes the air to contract slightly making the air more dense. Since ..