"Bomb cyclone" headed our way, and here's what it means

"Bomb cyclone" headed our way, and here's what it means

Roughly 500,000 people have lost power in Colorado and Texas.

This system is officially a bomb cyclone, which is a term to describe a system that undergoes bombogenesis or rapid intensification. That's what happened in parts of the central USA, where just one day before blizzard conditions hit, many areas such as Denver were enjoying sunny weather in the 50s and 60s. On Thursday, Iowa Gov. Kim Reynolds signed an emergency disaster proclamation and activated the state emergency operations center, and all or part of nine state parks were closed due to rising floodwaters.

From the Colorado Rockies to the Northeast, heavy snow, wind and flooding rains are affecting 70 million Americans, leaving many without power and others stranded on roads and at airports.

In the Texas Panhandle, a utility worker was killed Wednesday while working to restore power amid strong winds pushed in by the storm.

Southern Colorado saw a staggering 114.3 centimeters of snow fall over 24 hours starting from Wednesday.

The storm was blamed for the death of a Colorado state trooper, who was hit by a auto that slid on ice on the highway as he was attending to a vehicle wreck. Denver Public Schools was one of many school districts that canceled school because of poor road conditions and power outages. Some flood watches and warnings were in place in the midwest as rain will spur accumulated snow to melt, he said. A tornado also touched down Thursday in western Kentucky, damaging utility lines and trees.

Although the term "bomb cyclone" dates back to the year of 1980, it has only been used recently by meteorologists.

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When a storm drops barometric pressure of at least 24 millibars, units of atmospheric pressure, within 24 hours or less, it bombs out or turns into a bomb cyclone.

The massive blizzard that struck Colorado Wednesday is finally over.

"The storm is expected to have an intense impact", it said. The National Weather Service is calling the storm "a Great Plains cyclone of historic proportions". The low pressure is said to be the lowest the State has ever experienced. In addition to the turbulence pilots also reported a 20 knot loss of airspeed due to a severe mountain wave which nearly caused the plane to stall.

Monika Barcikowska, a scientist at US environmental watchdog titan the Environmental Defense League, concurred with Aggarwal.

According to a report, some meteorologists in the 1940s have informally called some coastal storms "bombs" because they develop "with a ferocity we rarely, if ever, see over land".

Besides, in the eyes of Dahl from the UCS, an organization with more than 100,000 members, "there is mounting evidence that climate change is influencing the pattern and position of the jet stream, and those changes could influence the development and path of storms".

South Dakota's governor closed all state offices Thursday as the blizzard conditions moved in, while wind, blowing snow and snow-packed roadways made travel treacherous in western Nebraska.

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