Weather Underground: Lots of updated and searchable weather data, including hurricane and tornado information.
Houston weather: From The Weather Channel Web site.
The Weather Channel: The cable TV network's Web site with an incredible amount of updated weather data, including hurricane and tornado information. But, it's advertiser-heavy and takes awhile to load. I tried to put a WC graphic on this page, but it generated a map full of broken links. This site seems more interested in selling than informing.
Hurricane News: From explorezone.com -- updates, background information and links about hurricanes. It's a tad slow to load.
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