Smith said that kept temperatures above freezing through the afternoon and all the precipitation liquid. By the time temperatures were cold enough for snow across much of central Oklahoma, the storm system was moving away and pulling in more dry air.
“Unfortunately, this is going to happen when very fine scale changes in temperature and humidity make the difference between a cold rain and heavy wet snow,” he said. “While some people in the metro would have liked to see more snow, the real story with this system is the much-needed moisture we saw. The OKC metro didn't see very much snow at all, but almost everyone got over an inch of rain.”
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With almost every winter storm we see in Oklahoma, the heaviest snow occurs in bands. And that was the case with this storm.”
National Weather Service