A bomb cyclone is causing crazy cold temperatures, heavy snow, and strong winds just in time for the holiday season. A type of winter storm that can create dangerous conditions is called it. According to forecasters, this one could be the most significant in the history of Canada and the US.
Extreme cold is predicted to hit between Thursday and Monday. In the northern Rockies and the Northern Plains, temperatures could fall as much as 40 degrees below average and the wind chill could be as low as 50 degrees. The Midwest, Central Plains, Great Lakes, and areas to the south could see cold temperatures. There is a chance of rain and flash-freezes in the Northeast.
A storm is forecast by the NWS in Buffalo. The bomb cyclone was whipped up by a perfect storm. A large cold-air mass is moving down from the north. The timing couldn't be worse, with many people traveling by plane, train, and car for Christmas and Hanukkah.
Everyone is going to have to turn up their thermostat on Christmas Eve. The summits of volcanos in Hawaii can be very cold. According to John Moore, a public affairs specialist and meteorologist with the NWS, over 200 million people could be affected by the storm. Fifty-five million of them are at risk of feeling cold.
This is the first time we've ever had an air mass from Canada that moves down to the US during the winter. It gets further south than these cold air mass typically do.
To be considered a bomb, the pressure at the center of the storm must drop at a rapid rate over a 24 hour period. The amount of force it takes to move an object weighing 1 gram for 1 centimeter in one second is translated by a milli bar. The warm air is drawn into the storm when a cold air mass is met by a bomb cyclone. In Montana, the temperature dropped 26 degrees in three minutes on Wednesday.
The normal air pressure at sea level is 1,013 millibars.
Moore says that the storm is being propelled by high-pressure systems on both sides. It was squeezed in between. It is making a big temperature decline.
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