Arctic Outbreak Begins the New Year with Severe Cold Across North America
An Arctic outbreak from Siberia is causing significantly low temperatures across Eastern Canada and the U.S., with conditions expected to drop below seasonal averages. Kitikmeot communities are experiencing extreme cold, and cities like Philadelphia may record their lowest temperatures this century. While such outbreaks are common, the effects can be dangerous, highlighting the need for preparedness during these winter months.
The New Year has commenced with a significant Arctic chill sweeping across North America, particularly affecting Eastern Canada and the United States. An Arctic outbreak originated from cold air masses in Siberia, which traveled over the North Pole and are now moving southward, resulting in lower temperatures across various regions. Such phenomena, often referred to in the U.S. as an Arctic “blast,” mark a notable shift in weather patterns typically observed at this time of year.
Currently, temperatures in Kitikmeot communities are plummeting below -30 degrees Celsius, with wind chills reaching around -50 degrees. Iqaluit, which recently experienced mildly warm conditions, is projected to face a significant drop to -17 degrees Celsius by January 8. Eastern Canada is also seeing considerable changes, with temperatures falling from -1 degrees on January 2 to anticipated highs of -11 degrees on January 5.
While these temperatures may not be excessively low compared to historical averages, they present a stark contrast to seasonal norms. The eastern United States is poised for particularly severe cold, with cities like Philadelphia expected to experience temperatures below -17 degrees for the first time this century, and Washington, D.C. facing similar lows not seen since 2019. According to meteorologist Brian Proctor, warmer temperatures are expected later in the week, although Arctic outbreaks of this nature can frequently occur within this timeframe.
It is noteworthy to consider that while Arctic outbreaks are a relatively common occurrence, they can be life-threatening, as evidenced by the significant death toll and widespread disruptions caused by the outbreak in January 2019, where wind chills dropped below -49 degrees Celsius. Such events underline the critical importance of preparedness and awareness during these weather phenomena.
The phenomenon of Arctic outbreaks occurs when frigid air masses from polar regions move south into lower latitudes, significantly affecting weather patterns. These outbreaks can lead to extreme cold temperatures, especially in Eastern Canada and the U.S. This particular event began with air masses from Siberia traveling over the North Pole, a situation that results in temperatures well below seasonal averages. Historically, these occurrences can lead to severe cold impacts, including health risks and disruptions to transportation systems.
In summary, the onset of the New Year has brought an Arctic outbreak that is impacting temperatures across North America, with Eastern Canada and parts of the U.S. enduring notably low temperatures. Citizens are cautioned to prepare for these extreme conditions, as the winter months can bring about significant weather changes. The historical data emphasizes the necessity of vigilance during such outbreaks, as their consequences can be severe for communities unprepared for cold extreme weather situations.
Original Source: nunatsiaq.com
