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". . .A big cold-air mass is moving down from the Arctic, propelled by high-pressure systems in Canada. It’s the unlucky result of those systems working together, and the timing couldn't be worse, with many people traveling by plane, train, and automobile for Christmas and Hanukkah. . .Bomb cyclones can bring hurricane-like winds, but they aren’t just a winter version of a tropical storm. They typically form mid-latitude and occur outside of the tropics. Their name was coined in 1980 by two meteorologists who wanted to convey just how serious the storms could become.
Storms like this can also cause coastal flooding, and they pose serious threats to infrastructure. If wind, snow, and rain knock out power, the freezing temperatures can quickly envelope dark homes or stranded cars. It’s a big concern. . .
Here Comes a Bomb Cyclone to Ruin Christmas
"CRAZY COLD TEMPERATURES, heavy snow, and strong winds are coming just in time for the holidays, all thanks to a bomb cyclone. It’s a catchy and menacing name for a type of winter storm that can create extremely dangerous conditions. Forecasters predict this one could be unprecedented in its scope, sending freezing temperatures across Canada and most of the US.
The US National Oceanic and Atmospheric Administration (NOAA) has forecast extreme cold to hit between Thursday and Monday. Temperatures could fall as much as 40 degrees Fahrenheit below average, with wind chills feeling like –50 in the northern Rocky Mountains (from Alberta in Canada to Idaho) and the Northern Plains (around North Dakota, South Dakota, Nebraska, and Wyoming). The Midwest, Central Plains, Great Lakes, and areas to the south could see single-digit temperatures that also drop below zero. The Northeast is predicted to get two days of rain, followed by possible flash-freezes. . .
Temperatures were already unbearably cold Wednesday. And it’s only the beginning of a tough few days. “Today is the first day of astronomical winter, and it will certainly feel like it for much of the nation through the end of this week,” the NWS’s Weather Prediction Center said." READ MORE
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