
What is a 'bomb cyclone'? Storm approaches West Coast, bringing rain, wind, possible flooding
SACRAMENTO, Calif. (KTXL) — The storm that will convey weighty rain and gusty winds into the Northern California and Pacific Northwest locations by means of Tuesday will undergo the procedure of bombogenesis, turning out to be what’s acknowledged as a “bomb cyclone.”
A bomb cyclone takes place when a mid-latitude cyclone promptly intensifies, dropping in atmospheric stress at least 24 millibars (a measure of stress) about 24 several hours. The reduced the strain, the more robust the storm.
This weekend’s storm, specially, is forecast to fall from 984 millibars to 942 millibars concerning 4 p.m. Saturday to 4 p.m Sunday. As soon as this transpires, it will formally be classified as a bomb cyclone.
In Northern California, the storm is forecast to supply 2-4 inches of rain and gusts of 30-40 mph on Sunday. Snow levels will fall Sunday evening into Monday, allowing for 1-3 ft of snow over 6,000 feet in elevation.
Winds off the coastline of Oregon will gust 70-90 mph — as robust as a Classification 1 hurricane.
In convert, the winds will create offshore waves of 40-50 ft in the Pacific. This will induce delivery disruptions, rough surf and beach front erosion. Together the Pacific Northwest coastline, waves are predicted to be 10-20 toes significant.
The storm is also predicted to convey significant rain to parts of the West Coastline, producing it a near “certainty” that metro regions like San Francisco and Sacramento will be influenced by flooding, according to AccuWeather.
AccuWeather Chief Meteorologist Jon Porter also acknowledged that the rainfall may well assist place an conclude to the remaining wildfires scattered throughout the location, but warned of mudslides, specifically in charred places previously affected by the fires.