El Nino is a disruption of the ocean-atmosphere system in the tropical Pacific with important climatic consequences around the globe. This NOAA theme page features links to widely distributed information. Includes data, graphics, forecasts, historical perspectives, and in-depth analysis. It is intended to be useful to scientists, administrators, students and the general public. Links include sites ... Full description.

This site provides two interactive exercises designed to help the user learn about river processes like discharge, flooding and flood frequency. Both exercises require the user to make observations and measurements, do simple calculations, and answer questions. Full description.

This site, from the Miami Museum of Science, provides an overview of the basic scientific concepts behind a hurricane. A collection of projects allows students to build their own weather station. These include making a psychrometer to measure air humidity, wind spirals, chimes, a wind scale tool to measure wind speed, a wind scale streamer to measure wind direction, and a barometer and air pressure ... Full description.

This set of resources for younger students includes activities and information on thunderstorms, tornadoes, hurricanes, blizzards and clouds: how they form, and how they impact our lives. There are games about clouds, stories about extreme weather events, and a set of activities in which students create simulations of various weather phenomena such as fog, clouds, tornadoes, and others. The 'Recipe ... Full description.

This activity describes the technique of preparing latitude-longitude based data so it can be imported into a geographic information system (GIS). The chapter describes the steps to create a map to display data and guides users through some basic geographic analyses. The focus of the chapter's case study is earthquake prediction. Users download and format near real-time and historical earthquake data ... Full description.

Real-time or archived data from buoy, ship, coastal or other observation networks worldwide. Measurements of wind direction and speed, wave height and period, atmospheric pressure, air and water temperature, and more. Select a network and region of interest to find stations collecting desired data. Learn about the National Data Buoy Center and take a virtual tour of their network and technology. Science ... Full description.

This six-day unit has students investigate the challenges of living and working in Antarctica and how researchers prepare for them, and then evaluate the insulating properties of a variety of fabrics, collecting their findings in a portfolio. The comprehensive curriculum materials at this site include an online activity in which students review the preparation materials given to researchers before ... Full description.

This site has something for everyone, from glaciologists to grade school students. It explores nearly all aspects of glaciers and includes data and science, facts, a gallery, and a glossary. Full description.

This lesson introduces the basics about how tornadoes are formed, and where and when they are most likely to occur. It includes a review of the current research on tornadoes and how scientists are trying to predict them. The equipment storm chasers use to study tornadoes is included. Students are asked to write a research plan for further study of tornadoes. Full description.

Tropical Twisters explains how hurricanes are created, why they move, and the damage they can do. There is information on the Saffir-Simpson hurricane scale to rate intensity and destructive power; the wind, storm surge and flood damage due to hurricanes; how scientists use the Tropical Rainfall Measuring Mission to understand hurricane rainfall; and the Geostationary and Operational Environmental ... Full description.