(bron: wikipedia)An extreme cold warning is a weather warning issued by Environment and Climate Change Canada (ECCC) and by the United States' National Weather Service (NWS) to inform the public about active or imminent severe cold temperatures in their local region.
As of April 8, 2014, ECCC replaced the "Wind Chill Warning" with an "Extreme Cold Warning." In the older system a wind chill warning for Southern Ontario and Atlantic Canada was issued when the wind chill dropped to -35. Thus-... meer
