http://www.ssec.wisc.edu/data/east/animation/wv0.gif
http://www.ssec.wisc.edu/data/east/animation/wv1.gif 
http://www.ssec.wisc.edu/data/east/animation/wv2.gif 
http://www.ssec.wisc.edu/data/east/animation/wv3.gif
http://www.ssec.wisc.edu/data/east/animation/wv4.gif
http://www.ssec.wisc.edu/data/east/animation/wv5.gif
http://www.ssec.wisc.edu/data/east/animation/wv6.gif
http://www.ssec.wisc.edu/data/east/animation/wv7.gif