hurricane (Page 12)

It’s well known that when hurricanes hit land, there’s a risk that tornadoes may form in the area. Tornadoes that occur from hurricanes moving inland from the Gulf Coast are increasing in frequency, reflecting an increase in size and frequency among large hurricanes that make landfall from the Gulf of Mexico. We hear news about hurricanes hitting states like Florida and Louisiana, but for some reason, they never seem to land in California. The only hurricane every to have hit California landed in 1858, and now scientists know why they’re so rare.
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Don’t say we didn’t warn you: Powerful storms crossed the central and northeastern US as Hurricane Bill became an ‘extremely dangerous’ storm in the South Atlantic. So far this year, the US tornado season has been relatively mild, but it threatened to increase in intensity today as powerful storms struck from Colorado to New York.New York’s Central Park lost over a hundred trees to 80 MPH winds, one of the strongest storms to strike the park in years. Meanwhile, Hurricane Bill increased in strength to a Category 4 storm and was expected to strengthen further as it continues to move north and west toward the US East Coast.
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Here’s why – Hurricanes in the Atlantic are now more frequent than at any time in the last thousand years. The frequency of intense hurricanes in the Atlantic Ocean over the last 1,500 years has been closely linked to long-term changes in the El Nino and global warming, both of which affect sea surface temperature.
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Thanks to new kind of El Nino – El Nino years typically result in fewer hurricanes forming in the Atlantic Ocean. But a new study suggests that the form of El Nino may be changing potentially causing not only a greater number of hurricanes than in average years, but also a greater chance of hurricanes making landfall.

That’s because this new type of El Nimo, known as El Nino Modoki (from the Japanese meaning “similar, but different”), forms in the Central Pacific, rather than the Eastern Pacific as the typical El Nino event does. Warming in the Central Pacific is associated with a higher storm frequency and a greater potential for making landfall along the Gulf coast and the coast of Central America.
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