Every year around this time, Portland has some sort of weather event. And right on time, the feet of snow falling nearby and the closure of I-84 are probably resulting in any number of tweets in the Portland area. As part of those tweets, an astute Twitter user like you might notice that the hashtag #pdxtst seems prevalent. But why is that?
Read MoreWhy do social media posts about Portland weather often contain the hashtag #pdxtst?
