Vorticity Maxima Exercise

The following exercises present you with 25 three-hourly WV6.2 images from October 2007. We want you to especially concentrate on the depression that you see located west of Ireland. For this first image click the position where you think the Vorticity Maximum is found. When done click the '+' and move three hours ahead in time to do the same again. When finsihed you may click the 'expert analysis' to compare your results.