what causes a bomb cyclone

Several severe flood warnings were issued, meaning the conditions posed a danger to life. Some 200,000 people were left without power throughout various periods of the day. But a year ago, Colorado got hit with something truly out of the ordinary, even given the state’s notoriously wacky spring weather. This can happen when a cold air mass collides with a warm air mass, such as air over warm ocean waters. Typical sea-level pressure is about 1,010 millibars.). Instead, ‘bomb cyclone’ refers to a phenomenon expected to occur as this weather event unfolds. according to the National Oceanic and Atmospheric Administration (NOAA), tropical cyclones are driven by convection, the Washington Post's Capital Weather Gang, These could be the funniest animal pictures ever, An aurora that lit up the sky over the Titanic might explain why it sank, Hello fall! A traffic warning sign is seen on the A9 near Dunblane, in Scotland on Feb. 15. A February 2017 snowstorm that hit the Northeast led to blizzard conditions and snowfall rates up to 4 inches (10 centimeters) per hour in some places, according to NOAA. The storm's pressure dropped 33 millibars in 24 hours. A pedestrian makes their way through the bomb cyclone, which hit the metro area with conditions equivalent to a category 1 hurricane on Wednesday, March 13, 2019. Bomb cyclones tend to happen more in the winter months and can carry hurricane-force winds and cause coastal flooding and heavy snow. As the East coast prepares for their first big snowstorm of the winter season, the term “bomb cyclone” is being used to describe the weather system that is approaching. This can happen when a cold air mass collides with a warm air mass, such as air over warm ocean waters. And it all took place a year ago today. John Atkins with Colorado Barricade, lifts a closure sigh into place along 2400 E. Exposition Ave while aDenver Police officer waits in his cruiser for crews to arrive near 2400 E. Exposition Ave for a downed tree and power line March 13, 2019. • Generally, pressure must drop 24 millibars (a unit of pressure) within 24 hours. Stay up to date on the coronavirus outbreak by signing up to our newsletter today. The bomb cyclone storm resulted in winds, ice and winds of up to 90 miles per hour at Denver International Airport.

Snow-wise, Denver officially received only 7.1 inches of snow from the system, based on official observations at Denver International Airport. That, in turn, led to nearly half a million Colorado customers without power, and all major interstates were shut down outside of Denver. If a storm is strong enough or deepens (drops in pressure) rapidly enough, its winds can reach hurricane-force, or 74 mph (119 km/h) or higher. Quinn Bendjy, 4, takes advantage of a snow day as he rides the empty halls of North High School, while his father Kevin Bendjy, an assistant principal at the school, tends to work to stay caught up during a winter storm in the Denver metro area on Wednesday, March 13, 2019. Forecasts call for more high winds and showers Monday as the storm center slowly spins to the northeast of the region. This caused many rivers, creeks and streams to overflow their banks and even triggered landslides. (The top spot is still occupied by the Braer Storm of 1993.). The Samaritan House usually hosts 40 women per night, but nearly doubled due to the influx of clients from the storm. How to cite this article, National Oceanic and Atmospheric Administration, National Weather Service Ocean Prediction Center, NOAA Environmental Visualization Laboratory.

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