From wild to mild: What happened to the deep freeze

A southwest wind blew in mild air and moisture, finally, ending such a long streak of air literally from Siberia that someone could have built a case for Russian meddling with our weather.
The snow was the big news, and as it tapered off around 2 p.m. Monday, Ottawa had received 18 centimetres since it began falling late Sunday afternoon.
But it also turned mild in a big hurry.
Ottawa’s temperature started rising early Sunday, all day and through the night, and settled just below the freez