Bomb Cyclone in US -Most Severe Economic Damage caused By Winter Storm in the US

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An intense winter storm — a “bomb cyclone in US” of snow and wind — has stranded drivers and shut down interstates in the Rockies and Plains regions of the U.S.

Colorado’s National Guard said Thursday that it has now rescued 75 people and two dogs, after checking on 148 vehicles stuck in the storm. Here you will get to know about the damage caused by “Bomb Cyclone in US”.

The winter storm has been linked to at least one death. The Colorado State Patrol says Cpl. Daniel Groves, 52, died on Interstate 76 after being struck by a Volvo whose driver lost control. Groves had gotten out of his patrol car to check on another vehicle that had slid off the road, police said.

Hours earlier, the Colorado State Patrol had reiterated its calls for people to keep off the roads and stay home if at all possible, warning of the risk of accidents.

Bomb Cyclone in US

An explosively intensifying winter storm centered over the Colorado Front Range continues to unleash a potpourri of extreme weather across the Plains states and Upper Midwest. The hurricane-force system has combined the worst weather of all four seasons into one — from a string of violent, tornadic thunderstorms to damaging winds, severe blizzard conditions and even flooding.

The storm’s center was over Iowa and Nebraska on Thursday and will continue delivering dangerous weather conditions to 105 million people who are under some sort of watch, warning or advisory as it moves east and then north into Canada. A bomb cyclone occurs when there is a rapid pressure drop, with a decrease of at least 24 millibars — a measure of atmospheric pressure — over 24 hours. This storm dropped 33 millibars from Tuesday into Wednesday. Track the storm for yourselfIowa Gov. Kim Reynolds issued a disaster declaration as first responders scrambled to rescue dozens of people from floodwater. Adding to the misery of those in its path, the bomb cyclone still threatens to bring severe storms, flash flooding, dense fog, and possible tornadoes as it treks across the central part of the country.

The intensity of the winds and snow is high because this is no ordinary cyclone. It has been through a process of rapid intensification leading to ‘bombogenesis’ — converting it into a rare bomb cyclone, which loses barometric pressure or the pressure of air in the atmosphere in a very short span of time.

That storm is still developing and is expected to dump up to a foot of snow in a broad region by Thursday as it moves from the Plains to the upper Mississippi Valley, across the upper Great Lakes, and into northern Maine, the NWS says. It adds that heavy snow could affect travelers at airports from Denver to Minneapolis-St. Paul.

Destruction Caused by Bomb Cyclone in US

The NWS recorded as many as 350 gusts of wind with speeds above 80 kilometers/hour in a 24-hour period with the highest being above 160 km/hr at Colorado Springs. The agency received 92 reports of damages caused by such winds.

It also recorded at least seven locations with over a foot of snow. “Snowfall totals so far are as high as 16 inches in the mountains of Colorado, with 5.2 inches reported at Denver International Airport and about 4 inches in the Boulder area,” said Faith Eherts from Accuweather.

The bomb cyclone — a rapid drop in air pressure — could bring waves of up to 35 feet (11 meters), wind gusts of up to 75 mph (120 kph) and heavy snow in the mountains

Southwest Airlines canceled about 200 flights. Spokesman Brad Hawkins said it would take “a couple of days” to get stranded passengers on other flights because there are few during the pre-Thanksgiving travel crush. That makes it hard for airlines to rebook passengers.

About 1,100 people spent the night at the airport, including many cadets from the Air Force Academy near Colorado Springs who either missed flights or wanted to get to the airport before road conditions deteriorated, airport spokeswoman Alex Renteria said.

Now let’s understand what is bomb cyclone and why is it called that

What is Bomb Cyclone or Wind Storm?

• Bomb cyclone is a term given to a rapidly strengthening storm that fulfills one important criterion.• Generally, pressure must drop 24 millibars (a unit of pressure) within 24 hours.• However, that benchmark is also based on the latitude of the storm. So, the millibar requirement can change depending on where the storm forms.

But why’s it called that?

The term bomb cyclone can be traced back to a meteorological research paper published in a 1980 edition of Monthly Weather Review. Its authors, MIT meteorologists Fred Sanders and John Gyakum, built upon work by Swedish meteorology researcher Tor Bergeron, who had initially defined “rapidly deepening” storms like those that met the 24 millibars-in-24 hours criterion. But Bergeron was way up in Scandinavia, where storms strengthen much quicker because of the latitude.

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How People Can Adjust Rules Against Bomb Cyclone in US

Since you read down this far, I feel obligated to give you the actual equation (and if you love it, perhaps you should consider pursuing a career in meteorology!).To calculate the pressure drop needed for a bomb cyclone, you take the sine of the latitude where the low pressure is located and divide it by the sine of 60 degrees (and you thought you would never use trigonometry). Why 60 degrees? That’s the latitude where Bergeron was when he developed the initial scale. Once you do the calculation, you multiply that result by 24, and that is the number of millibars the storm’s pressure must drop to officially qualify it as a bomb cyclone at the given latitude.

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