Advection Vorticity Questions Using the Upper Left Panel Final Questions Vorticity Figure 1 Vorticity is the second variable plotted on the upper left panel of the model output. It may be a funny name, but this is a very important tool in forecasting. The faster it spins, the greater the vorticity. Everything that spins or rotates has vorticity. This includes tornadoes, hurricanes, and the earth.
Air also rotates around highs and lows, so that also has vorticity.
There are several different types of vorticity that need to be understood.