bombogenesis
n. The rapid intensification of a massive storm due to a sharp drop in barometric pressure.
Also Seen As
bombo-genesis
Examples
2015
This confluence of cold air, moisture, and high and low pressure systems was perfectly positioned to create snow and wind — lots of it. Meteorologists said the storm would undergo "bombogenesis," when the barometric pressure drops extremely rapidly and causes the storm to intensify.
—Carolyn Y. Johnson, “Science behind the storm: Atmospheric blend for a behemoth,” The Boston Globe, January 26, 2015
2014
A major storm is expected along the East Coast early in the week. The Washington area might be spared, but the mere suggestion that a meteorological "bombogenesis" — some are calling it a potential "snow bomb" — could result in another round of heavy snow here is further evidence that winter 2013-14 was an endless bummer.
—J. Freedom du Lac, “D.C. warms up to spring,” The Washington Post, March 22, 2014
2011
As the weather of the last decade has gotten more and more extreme, so have our names for the weather.

Snowmageddon! Snowpocalypse! Tsnownami! Blizzaster! Snomigod!

Call it a linguistic bombogenesis!
—John Timpane, “A linguistic blizzard for all these snowstorms,” The Philadelphia Inquirer, February 09, 2011
2000 (earliest)
The big bombogenesis! Today, many areas of our county got a taste of the bombogenesis (or big snowfall) and dumped at a "mean" rate of more than one inch per hour.
—Cris Paravicini, “On the Ranch Journal: February, 2000,” Wyoming Cowgirl, February 14, 2000
Notes
This term — which meteorologists officially call explosive cyclogenesis — is likely a bit older because I found a reference to a horse named Bombogenesis in the October 7, 1998 edition of the Standard-Speaker (Hazleton, Pennsylvania):

Standard-Speaker (Hazleton, Pennsylvania), October 7, 1998
Filed Under
weather
Posted: January 27, 2015