simulate the formation of snow, sleet, and freezing rain

What determines if snow, sleet, or rain will form?

Explore the type of precipitation Set the air and dew point temperatures by dragging the anchor points and learn what type of precipitation will fall to the ground. Each time you release the mouse button, the simulation starts. You must use an up-to-date browser version to view this simulation.

What is Cold Air Damming (the Wedge)?

Cold-air damming (CAD), often called “the wedge” in the Southeast, is an interesting meteorological feature that can result in tricky forecasts for meteorologists. Topography plays a major role in CAD events, and you need a mountainous range for this feature to develop. While CAD can occur in the Rockies, it is predominant east of the […]

Arctic Blast Will Bring Record Cold on Thursday 2/19

Overview: The next Arctic front will move through Nashville by Wednesday afternoon (2/18) and through Birmingham/Atlanta by Wednesday evening.  This airmass will bring record-cold temperatures to the area, even breaking record-cold high temperatures.Final Update #4 Friday 2/20 11 pm EST: The following are the official records tied or broken, as predicted.  A warming trend is […]

Weather Myths: Too Warm for the Snow to Stick?

Before I begin this piece, I want to present a challenge.  The following chart shows the actual high and low temperatures for a full month in Atlanta, Georgia. *A condensed version of this writeup was also featured in the Douglas County Sentinel. Challenge: Can you spot the day with a historic snowstorm? During this particular […]