www.intellicast.com

www.wunderground.com

www.kare11.com

www.nws.noaa.gov

www.accuweather.com

www.asp.usatoday.com/weather/weatherfront.aspx

www.theweathernetwork.com

www.cnn.com/weather

http://ww2010.atmos.uiuc.edu/(Gh)/guides/mtr/home.rxml

www.met.tamu.edu/class/Metr304/Exer10dir/classification.html

www.usatoday.com/weather/wcloud0.htm

www.bsu.edu/web/kapeto/About%20Page.html

http://vortex.plymouth.edu/clouds.html

http://pals.agron.iastate.edu/carlson/main.html