 Complete the following phrase:  The 201516 North American winter was not as frigid across North America and the United States especially the East Coast as compared to the 201314 and 201415 winters. This was mainly due to a strong El Niño, which caused generally warmer-then-average conditions. However, despite the warmth, significant weather systems still occurred, including a snowstorm and flash flooding in Texas at the end of December and a large tornado outbreak at the end of February. The main event of the winter season, by far and large, was when 