Hurricane Isaac weakened to a tropical storm about 50 miles kilometers) west-southwest of New Orleans as its top sustained winds dropped to 70 miles per hour, the National Hurricane Center said at 3 pm East Coast time.
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Isaac weakens to tropical storm
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Ernesto weakens to tropical storm
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Paloma downgraded to tropical storm:
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Hurricane Katia weakens to a Category 3 storm
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Tropical storm Alma weakens to depression
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Hurricane Celia weakens but still Category 2 storm
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Tropical depression dissipates in the Gulf
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Isaac makes landfall in southeast Louisiana
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Storm leaves trail of destruction
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Danielle weakens to tropical storm in the Atlantic
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Hurricane Alex moving slowly toward Texas, Mexico
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Hurricane Isaac makes landfall
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Tropical storm Danny downgraded
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Ophelia weakens to tropical storm
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Storms to develop overnight
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Winds have decreased to near 35 mph
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Hurricane Paula weakens as it crawls toward Cuba