Coming Nor’Easter May Grow Into “Bomb Cyclone”

January 26, 2022 News, Weather

The Weather Channel reports:

A strong storm forecast to develop off the East Coast by this weekend will grow into a powerful nor’easter, bringing heavy snow, strong winds and coastal flooding to parts of the Northeast.

The setup begins Friday with a cold front moving across the Northeast that will haul in a fresh blast of chilly air prior to this storm’s potential impact. That combination of fresh cold air and the intensifying storm crawling northward off the East Coast sets the stage for a possible high-impact winter storm in parts of the Northeast.

It’s likely this storm will grow into a “bomb cyclone” – a term meteorologists use for a low-pressure system associated with fronts with a central pressure that plunges at least 24 millibars in 24 hours or less. A storm with a lower pressure has a higher intensity.

Bloomberg News reports:



The Northeast has lagged below normal for snowfall this year, so the storm has the potential to be the biggest in the region this season. Since Dec. 1, Central Park has received 7 inches (18 centimeters) of snow, or 4.2 inches below normal. Boston, Philadelphia and Washington are all running behind average as well.

A storm undergoes a rapid shift known as bombogenesis if its central pressure drops by 24 millibars in 24 hours. Meteorologists often refer to this process as a storm “bombing out.”

While computer forecast models are calling for heavy snow across New England, there is a chance it could also pile up from Washington to New York and along the Interstate 95 corridor, said Rich Bann, a forecaster with the U.S. Weather Prediction Center in College Park, Maryland.

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