Visualization and Simulation
U.S. National Aeronautics and Space Administration
(NASA) scientific visualization pages that contain thousands of
animations, including the ozone hole, the Antarctic ice sheet, magnetic
fields, and fluid dynamics. Browse the index here.
World-wide compilation of many years worth of temperature and
rainfall data from Buttle and Tuttle, Ltd.
Ocean currents page from NASA that includes currents
explanation and two-year-long animation of ocean currents worldwide.
World wide ocean tide calculator from the University of South Carolina.
Tropical Cycle Centers
List of tropical cyclone center sites from the U.S.
National Weather Service; U.S. National Weather Service site also
contains tropical storm information including category
maps, and names
Several hundred NASA images of the earth from space that show natural
phenomena, including the Mount St. Helens eruption.
Several different types of maps from the U.S. geological survey,
including real-time world-wide earthquake maps, seismograms, and
Volcanoes of the World
Database of information
about and pictures of 1,555 volcanoes compiled by Smithsonian volcanologists
over the past three decades. Browse volcano names here.
University of medicine at Wisconsin pages that show images and animations
of volcanic activity.
Volcano-related under way by NASA's Earth Observing System team.