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Bomb cyclone path tracker October 2021 LIVE – Storm kills 2 in Seattle as hurricane-like winds & rain batter West Coast


SEATTLE was recently hit by a bomb cyclone that rivaled the intensity of strong hurricanes and brought dangerous and damaging impacts up and down the West Coast, resulting in the death of at least two people.

Two people were killed when a tree fell on a car in the Seattle, Washington area, USA Today reported.

Plus, more than 160,000 homes and businesses in California and over 170,000 in Washington lost power due to the storm.

The moisture associated with the storm came all the way from India and other parts of southeast Asia, according to senior meteorologist and manager of forecasting technology, Mike Doll.

Farther south, eight feet of snow was predicted over the highest ridges and peaks in the central and northern Sierra Nevada.

Read our bobm cyclone live blog below for the latest updates…

  • STORM MAY ‘SHUT DOWN’ WILDFIRE SEASON IN PARTS OF CALIFORNIA

    The storm could potentially “knock temperatures down and may also effectively shut down the wildfire season in much of California,” AccuWeather Meteorologist Alex DaSilva noted.

    Other storms earlier this fall and late in the summer did the same in the coastal Northwest, DaSilva said.

  • ‘MAY BE ONE OF THE BIGGEST SERIES OF STORMS’

    “The pattern unfolding this week to next week may be one of the biggest series of storms for the rainy season for California, but there is still potential for a couple of bigger storms over the winter,” said AccuWeather forecaster Paul Pastelok, according to USA Today.

  • NOR’EASTER COULD BECOME BOMB CYCLONE

    AccuWeather on Twitter said the current nor’easter hitting the East Coast could become a bomb cyclone “in a matter of days.”

  • WHO CAN BE AFFECTED BY THE BOMB CYCLONE?

    Off the coast, the strong winds wreaked havoc for ships trying to navigate the rough seas.

    The U.S. Coast Guard said a shipping vessel, on its way to Canada, lost about 40 cargo containers which are now floating in the ocean.

    A helicopter found about 35 containers which are being tracked.

    On land, people braced for the possibility of wind damage, flooding, and power outages.

  • ‘RAPIDLY STRENGTHENING STORM’ HAS PRESSURE THAT ‘PLUMMETS’

    Meteorologists say a bomb cyclone is “a rapidly strengthening storm with a central pressure that plummets by 0.71 of an inch of mercury (24 millibars) or more within 24 hours,” Accuweather reported.

    That is also referred to as bombogenesis.

    “As the pressure drops rapidly in the center of the storm, air rushes in to replace the vacuum created in the atmosphere and can produce damaging winds,” the site revealed.

  • WHAT IS A BOMB CYCLONE?

    The term does not refer to the storm itself. 

    Rather a bomb cyclone refers to a phenomenon expected to occur as this weather event unfolds. 

    The official term is explosive cyclogenesis, or bombogenesis which is very common.

    The so-called bombing occurs when a low-pressure system’s central pressure drops at least 24 millibars — A millibar measures atmospheric pressure — over 24 hours or less.

  • ‘MESMERIZING IMAGERY’

    “Mesmerizing imagery from space today of the amazing bomb cyclone and Category 5 atmospheric river slamming into the West Coast. #CAwx #ORwx #WAwx,” US StormWatch wrote on Twitter.

  • WHAT HAPPENED TO THE BOMB CYCLONE?

    Meteorologists said the storm was hundreds of miles off the west coast, so the result was widespread rain and breezy conditions Saturday, October 23, 2021.

    That all changed Sunday, October 24 when the strongest weather system moved in.

    People experienced thunderstorms, damaging winds, flooding, high surf and snow in the mountain regions.

  • SACRAMENTO DELUGED WITH RAIN FROM BOMB CYCLONE

    Sacramento measured 5.44 inches of rain by early Monday from the storms, according to AccuWeather.

    That topped the previous 24-hour record of 5.28 inches that stood since 1880.

    Meanwhile, Sacramento Executive Airport measured 5.41 inches of rain, which also topped an old 24-hour record of 3.77 inches from back in 1962.

  • RECORD-BREAKING BOMB CYCLONE SLAMMED WEST COAST

    The bomb cyclone system on the West Coast broke some all-time 24-hour precipitation records, according to AccuWeather.

    “Downtown San Francisco recorded 4.02 inches of rain, making it the wettest October day on record for the city,” the outlet reported.

    Sunday’s total was also the fourth-highest ever recorded in that location.

    Plus, in downtown Sacramento, a 24-hour rainfall record was broken as well.

  • ‘IT WILL EXPLODE OUT OF NOWHERE’

    “What is remarkable is how big it is in scale, how deep the center is and the speed with which it goes from an open wave to a super-intense low-pressure system,” Joe Boomgard-Zagrodnik, an agricultural meteorologist for Washington State University, told The Seattle Times.

    “Meaning it will seem to explode out of nowhere.”

  • NAME CRITICIZED BY SOME WEATHER EXPERTS

    The term “bomb cyclone” was established in 1980 and has been criticized by some meteorologists for being “sensationalist,” The Independent reported.

    “Bombogenesis is the technical term. ‘Bomb cyclone’ is a shortened version of it, better for social media,” weather expert Ryan Maue told the outlet.

    “The actual impacts aren’t going to be a bomb at all. There’s nothing exploding or detonating.”

  • MAJOR TROPICAL STORMS OF THE LAST 20 YEARS, CONTINUED

  • MAJOR TROPICAL STORMS OF THE LAST 20 YEARS

    Some of the major storms and hurricanes since 2000 include:

    • Tropical Storm Allison (2001)
    • Hurricane Isabel (2003)
    • Hurricane Charlie (2004)
    • Hurricane Jeanne (2004)
    • Hurricane Dennis (2005)
    • Hurricane Katrina (2005)
    • Hurricane Rita (2005)
    • Hurricane Ike (2008)
  • ‘RAPIDLY STRENGTHENING STORM’ HAS PRESSURE THAT ‘PLUMMETS’

    Meteorologists say a bomb cyclone is “a rapidly strengthening storm with a central pressure that plummets by 0.71 of an inch of mercury (24 millibars) or more within 24 hours,” Accuweather reported.

    That is also referred to as bombogenesis.

    “As the pressure drops rapidly in the center of the storm, air rushes in to replace the vacuum created in the atmosphere and can produce damaging winds,” the site revealed.

  • ORIGINAL BOMB CYCLONE FORECASTS ANTICIPATED 8FT OF SNOW

    Originally, meteorologists predicted the bomb cyclone would bring large amounts of snow, expected to fall at various elevations over the course of several days.

    Now, experts don’t expect as severe a buffeting.

    However, farther south, up to eight feet of snow is still predicted over the highest ridges and peaks in the central and northern Sierra Nevada.

  • MARINE HAZARDS

    NWS Seattle warned of the expected marine hazards ahead of the storm.

    The tweeted read: “In addition to strong winds, seas along the coast will build to 25-30 ft on Sunday night & persist thru Monday.

    “Make sure to keep your distance from the water as large waves can run further up area beaches-potentially carrying debris with them!”

  • WHO CAN BE AFFECTED BY THE BOMB CYCLONE?

    Off the coast, the strong winds are wreaking havoc for ships trying to navigate the rough seas.

    The U.S. Coast Guard said a shipping vessel, on its way to Canada, lost about 40 cargo containers which are now floating in the ocean.

    A helicopter has found about 35 containers which are being tracked.

    On land, people braced for the possibility of wind damage, flooding and power outages.

  • ‘STRONG’ STORM

    On Saturday afternoon, University of Washington Meteorology Professor Cliff Mass said on his weather blog, according to the Chinook Observer: “There has never been a storm this strong in the nearshore waters of our region.

    He added: “Both the American (GFS) and European Center (ECMWF) models indicate very rapid intensification over the next 24h, with the storm [crashing] down to around 943 hPa.

    “This is a ‘bomb’ cyclone, with the pressure dropping more than 24 hPa in 24 hours.”

  • STORM CONDITIONS REPRESENT A ‘LONGER DURATION EVENT’

    “This event continues to look like a longer duration event, with winds continuing through most of Monday, maybe even Monday night,” posted the National Weather Service branch in Seattle.

    “We will be providing more updates through the day today.”

  • ‘A LOT OF FUN’

    Social media users shared images from the weather event on Twitter.

  • ‘MAY BE ONE OF THE BIGGEST SERIES OF STORMS’

    “The pattern unfolding this week to next week may be one of the biggest series of storms for the rainy season for California, but there is still potential for a couple of bigger storms over the winter,” said AccuWeather forecaster Paul Pastelok, according to USA Today.

  • STORM MAY ‘SHUT DOWN’ WILDFIRE SEASON IN PARTS OF CALIFORNIA

    The storm could potentially “knock temperatures down and may also effectively shut down the wildfire season in much of California,” AccuWeather Meteorologist Alex DaSilva noted.

    Other storms earlier this fall and late in the summer did the same in the coastal Northwest, DaSilva said.

  • WHERE DO BOMB CYCLONES HAPPEN?

    “Bomb” cyclones occur most frequently along coastlines where warm water is.

    The warm water creates a strong temperature gradient from its surface to the atmosphere just above it.

  • WHAT IS A HURRICANE?

    Powerful storms arising in the Atlantic or eastern Pacific are called hurricanes.

    North of the equator they spin anticlockwise because of the rotation of the earth.

    They turn the opposite way in the southern hemisphere.

    Cyclones are like giant weather engines fuelled by water vapour as it evaporates from the sea.

    Warm, moist air rises from the surface, creating a low pressure system that sucks in air from surrounding areas – which in turn is warmed by the ocean.

    As the vapour rises it cools and condenses into swirling bands of cumulonimbus storm clouds.





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