Topic: National Oceanic and Atmospheric Administration
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Why has 2011's tornado season been so terrible?
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Oklahoma, Alabama, Joplin: Why we're seeing so many tornadoes and superstorms
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Joplin, Missouri: Why are there no tornado building codes in Tornado Alley?
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Joplin, Missouri, tornado: Warnings pale in season of violent twisters
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Conditions in Atlantic ripe for big 2011 hurricane season, US says
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Tornado checklist: What to do – and what myths to ignore
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House votes to strip EPA of power to curb carbon emissions
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Five ways House Republicans are striking fear in environmentalists
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Radiation exposure: Why US is confident West Coast isn't in danger
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Japan earthquake: How Tokyo got an 80-second head start
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In Pictures
Japan's 9.0 earthquake
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Baby dolphin die-off in Gulf: Cold water, not oil spill, the culprit?
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February 23, 2011
Photos of the Day
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Geomagnetic storm activity increasing, catastrophe looming?
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Bassmaster Classic 2011: Super Bowl of fishing takes to tricky Louisiana bayou
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Solar flare wreaking havoc on Earth's radio communications
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Extreme rain and snow events linked to global warming, study finds
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Solar Flare: A Northern Lights show for North America?
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3D sun images provide early warning of hazardous space weather
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Top 10 global weather events of 2010
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Global warming waning? Hardly. 2010 was tied as warmest year on record.
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Northeast US saw record heat in 2010
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Grapevine closed by snow: playtime near L.A., but tough work on I-5
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Top 10 senators seeking earmarks
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Where polar bears might go if climate change doesn't slow