Winter 'bomb cyclone' threatens east coast: Live updates - KVOA | KVOA.com | Tucson, Arizona

Winter 'bomb cyclone' threatens east coast: Live updates

Posted: Updated:
Source: CNN Source: CNN

What we're covering here

  • It's really cold: A blast of arctic air will bring frigid temperatures, ice and heavy snowfall to the US.
  • An expected bombogenesis: CNN forecasters expect a winter weather "bomb cyclone" to hit the Northeast Thursday.
  • The latest forecast: Track the snow, ice and rain here.

At least 11 deaths linked to cold spell

From CNN's Artemis Moshtaghian

At least 11 deaths have been linked to a bitter cold spell that is impacting more than 100 million people across the US.

Pending final medical examiner reports, the following is a list of cities where the deaths occurred. (This doesn't include traffic deaths.)

  • Texas: Two deaths were reported in Houston, one in El Paso and one in Corpus Christi.
  • Wisconsin: Two deaths occurred in Milwaukee, two in Madison and one in Fond du Lac.
  • North Dakota: One death was reported in Bismark.
  • Missouri: One death occurred in St. Louis.

The deadly cold comes as much of the Northeast is preparing for a massive "bombogenesis," which is expected to strike tomorrow. (Read more on that in the post right below this one).

Monster "bomb cyclone" could hit Northeast

It's already cold — and it's going to get worse. CNN forecasters believe that bombogenesis will occur off the East Coast Wednesday into Thursday.

So what is bombogenesis? This popular meteorological term describes an area of low pressure in the mid-latitudes that drops more than 24 millibars, which are metric units of pressure, in 24 hours — creating what is known as a "bomb cyclone."

When bombogenesis happens, the low-pressure systems can create hurricane-force winds. Even though they are not technically hurricanes, many will call this a "winter hurricane."

What this means for the East Coast: Most of the forecast models keep this low-pressure system offshore enough that the most substantial snow and strongest winds will remain out at sea, with the exception of New England, where 6-12 inches of snow could fall on Thursday, with winds gusting at 40 to 60 miles per hour.

The bombogenesis will help usher in another round of blustery single-digit temperatures to the northeast, dipping some temperatures.

The National Weather Service's Weather Prediction Center says "arctic air" will bring frigid temperatures, ice and snow across the eastern half of the US this week.

Afternoon highs will be 10 to 20 degrees below normal, which could lead to icy conditions throughout the region.

"Given the cold air locked in place, this will allow for potentially significant wintry precipitation to spread along the East Coast from the Florida panhandle to Maine," the predication center said in weather statement.

Parts of the mid-Atlantic coast and northeast will receive a blast of heavy snow and strong winds on Wednesday. Forecasters say up to 6 inches of snow could fall in the New England area.

People living downwind of the Great Lakes will get lake-effect snow, which happens when very cold, windy conditions form over a not-so-cold lake. This weather condition brought a 65-inch snowfall to Erie, Pennsylvania last month.

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