In particular, many blog and wiki sites offer their web feeds in the Atom format. A feed reader or aggregator program can be used to check feeds and to display new articles. Client-side readers may also be designed as standalone programs or as extensions to existing programs like web browsers.
Best Answer: a vortex of a tornado is usually referred as devil eye or you can also call it the eye of the tornado. The vortex of a tornado is the area that the tornado revolves around. It is sometimes called the eye of the tornado. The center is very calm and has lower pressure than the surrounding area. Source(s): Geography Course....
A tornado is defined in the dictionary as a rotating column of air ranging in width from a few yards to more than a mile and whirling at destructively high speeds, usually accompanied by a funnel-shaped downward extension of a cumulonimbus cloud.