Avalanches form through the interaction of snowpack, terrain, and weather, the latter being the focus of this module. The module begins with basic information about avalanches, highlighting weather's role in their development. The rest of the module teaches weather forecasters how to make an avalanche weather forecast, that is, one in which key weather parameters are evaluated for their impact on ... Full description.

Forecasting Dust Storms Version 2 provides background and operational information about dust storms. The first part of the module describes dust source regions, the life cycle of a dust storm, and the major types of dust storms, particularly those found in the Middle East. The second part presents a process for forecasting dust storms and applies it to a case in the Middle East. Although the process ... Full description.

Tsunami Warning Systems describes the processes involved in anticipating, detecting, and warning for a tsunami by summarizing data collection, modeling, analysis, and alert procedures used at NOAA's Tsunami Warning Centers. A simulated event and past tsunami occurrences are used to highlight warning system processes for determining the tsunami threat based on seismic and sea level data and tsunami ... Full description.

The Disaster Dynamics project is a learning environment for the study of the unique challenges surrounding natural disasters. By focusing on dynamics, this project emphasizes the complex and emergent interplay between different aspects of the design activities and the extreme event. The website has several educational role-playing simulation games such as decision making under uncertainty, complex ... Full description.

Smoke from multiple large wildfires in Quebec, Canada, drifted far to the south of the border. The Canadian Interagency Forest Fire Center reported there were seven out-of-control fires burning south of James Bay (the southern extension of Hudson Bay), all probably the result of lightning. Full description.

The SeaWiFS instrument captured this beautiful image of Hurricane Erin on September 10, 2001. The image shows the eye to be located 200 kilometers due east of Bermuda. Full description.

This flyover occurred on August 20, 2000. The aircrafts altitude was an at 64250 ft while acquiring the image. The flight direction on the image if from top to bottom. The aircraft heading was approximately 6.5 degrees. Full description.

Terra-MODIS is one of many satellites that NASA has that helps us here on the ground. Keeping track of Hurricane Erin, the instrument MODIS gives us a birdseye view. Full description.

AVHRR 10-day fire averages from the Space Applications Institute, Joint Research Centre of the European Commission Full description.

Zooming down to a SeaWiFS image taken August 7, 2000, showing smoke plumes from fires in Portugal Full description.