We often hear that a storm is undergoing 'bombogenesis' or is developing into a 'bomb cyclone. But what exactly do these weather terms mean?
Bomb cyclone (Rapid Cyclogenesis) have been the latest revolution of weather disasters off late. From Pacific to Atlantic Ocean even in our beloved Indian Ocean the recent cyclonic activities over the years have encountered these rapid explosive intensification. But wait how this name(bomb cyclone) came? there is an interesting flashback behind this,The popular term was first used around the 1940s, according to Mike Bettes, a meteorologist for The Weather Channel. "It's called a bomb cyclone because a low pressure (or cyclone) undergoes 'bombogenesis,'
Anyone remember Cyclone Gati 2020? It was the first hurricane- force cyclone to make landfall in Somalia on record. It was one such cyclone recently in our basin which encountered favorable conditions for explosive cyclogenesis over its path and could be the leading example for a bomb cyclone.
Now that we know what is a bomb cyclone, let's ponder further into how these are generally defined. When the amount of pressure gradient within the convective mass drops to atleast 24 millibars within a 24 hours period of time it is considered to be a bomb cyclone. That is like from a depression to very severe/ extremely severe cyclone in just 24 hours. How crazy is that well that's why these bomb cyclogenesis will revolutionize the weather disasters in near future.
Most often the North Indian Ocean basin which comprises of Arabian Sea(ARB) and Bay of Bengal (BOB) generally don't encounter these bomb cyclones since the basin is quite restricted or not much of open sea as compared to Pacific and Atlantic where the typhoons, hurricanes respectively have their own time generating their food input(development stage) slowly but steadily which is required for intensification of a cyclonic system thus coerces the other basins more vulnerable for bomb cyclones.
Though, the vulnerability of bomb cyclones is less in our basin provided the active months of Cyclogenesis are less there is possibility of bomb cyclones to develop in our basin probably in distant future but one might never know that future could be very near than we think about. Henceforth, let's be aware of this potential life- hazard and take proactive steps of precaution as issued by the Indian Meteorological Department (IMD).Though we haven’t seen bomb cyclones the most prone zone is the western North Atlantic is most favored area for storms to undergo bombogenesis. This is a region where cold air from North America collides with warm air over the Atlantic Ocean. Warm waters of the Gulf Stream may also provide a boost in a festering storm.the best examples of storms that underwent bombogenesis: Hurricane Charley in 2004 and Hurricane Wilma in 2005; the Blizzard of 2015 (Jan. 26-27); the Bering Sea storm of December 2015; Storm Dennis, which impacted the United Kingdom on Feb. 14, 2020; and the storms that hit the northeastern and western United States in late October 2021 and recently around dec 21st 2022 elliot caused damage over u.s and Canada ,this is the kutty story about bomb cylclone.
"Bomb Cyclone" is a Teachnical Term and the name is populared due to Social Media Evolvation.There is no Exploading or Detonating at all.And what we experience in our North Indian Ocan Cyclone the way like this term means too.And there is only Difference is about the Rapid Intensification matters as mentioned in the above lines.
Article Credits to Mr.SivaSai & Mr.Saran (KTCC Weatherman)
For Tamil & Other Language Translation Please use the Google Translator Menu in Side Menu bar 👉