What is Conditional Symmetric Instability (CSI)?

When reading a National Weather Service forecast discussion during the winter months, we sometimes come across the term "Conditional Symmetric Instability (CSI)". This was true with »

Notes from the Steamboat Weather Summit 2016

Out of dozens of conferences a year I prefer one, the Steamboat Weather Summit. The venue is perfect, obviously. The number and content of speakers are »

Tuesday Update: Light Snow Continues, Bitter Cold Wednesday

What a difference a day makes, or in yesterday’s case -- just 20 minutes. After a wild entrance, the cold air is firmly entrenched today, »

Snow on the Ground in Every State but Florida

The latest analysis from the National Operational Hydrologic Remote Sensing Center tells so much of how this winter has been: cold and snowy from the Rockies »

One Hundred Year Anniversary of Denver's Snowiest Snowstorm

Every once in a while it snows a whole lot in Denver. And sometimes it snows even more than that. One hundred years ago next week »