National Severe Storms Laboratory - The National Severe Storms Laboratory is one of NOAA's internationally known Environmental Research Laboratories, leading the way in investigations of all aspects of severe weather. Headquartered in Norman OK with staff in Colorado, Nevada, Washington, Utah, and Wisconsin.

Weird Weather Reports - Records anecdotal stories about hurricanes, fires, extreme temperatures, tornadoes, flooding, droughts and other weather related phenomena.

Greg's Weather Center - Large collection of links to sites about weather (hurricanes, blizzards, and tornadoes) and a section with storm updates.

Top Weather, Water, and Climate Events of the Twentieth Century (Story 334) - Background information on the top weather events around the world. Compiled by NOAA.

Bew - Incredible Weather - Image galleries of weather phenomena in Canada as well as tools for chasing tornadoes on the internet. Site in both English and French.