Severe Arctic Blast Impacts Millions Across the U.S.
Extreme cold weather events pose significant challenges and dangers across the globe, affecting regions from North America to the Middle East. Understanding the nature of these events, their recent occurrences, and the necessary precautions can help individuals and communities better prepare and respond. Definition of Extreme Cold Warnings An extreme cold warning is an alert issued by meteorological agencies to inform the public about dangerously low temperatures expected in a region. These warnings are based on specific temperature thresholds and wind chill factors that vary by location. For instance, in Canada, Environment and Climate Change Canada (ECCC) issues such warnings when temperatures or wind chills reach critical levels for at least two hours, with thresholds ranging from -30°C to -55°C depending on the region. Similarly, the United States' National Weather Service (NWS) issues extreme cold warnings based on local criteria, often considering wind chills that can cause f...