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David Tewes
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   It almost sounds like something out of a science fiction movie, but a panel of researchers has concluded:
  • Abnormally hot days and nights, along with heat waves, are very likely to become more common. Cold nights are very likely to become less common.
  • Sea ice extent is expected to continue to decrease and may even disappear in the Arctic Ocean in summer in coming decades.
  •  Precipitation, on average, is likely to be less frequent but more intense.
  • Droughts are likely to become more frequent and severe in some regions.
  • Hurricanes will likely have increased precipitation and wind.
   At least that’s the assessment of the U.S. Climate Change Science Program and the Subcommittee on Global Change Research.
    Do you you believe global warming is occurring? If so, how much of it do you think is being caused by people?
  
Tags: global warming, NOAA, drought, Arctic Ocean, U.S. Climate Change Science Program
posted by dtewes on Wednesday, June 25, 2008 at 04:08 PM
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   Unless you live under a rock, you’re probably aware last Friday was the first day of summer.
   What you probably didn’t hear was that is the earliest summer solstice since 1896. Summer typically starts on June 21, but this year it began on June 20.
   The simple explanation is because 2008 is a leap year. For a full explanation, check out this Earth & Sky article.
Tags: summer, solstice, leap year, Earth & Sky, National Weather Service
posted by dtewes on Tuesday, June 24, 2008 at 03:36 PM
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   There are no guarantees, but at least one forecaster believes there will be a near-normal number of hurricanes and tropical storms this year.
   More importantly, AccuWeather.com's forecast calls for a relatively large percentage of those storms to strike the United States.  AccuWeather forecaster Joe Bastardi believes that risk  is 1.6 times the norm.
   He also believes the best chance for early storm development is in the western or central Gulf of Mexico.
   This is based primarily on very warm water in the western and central Gulf, cool water in the western Caribbean Sea, the expected June steering currents in the central Gulf, and a drier-than-normal pattern in the northwest Caribbean.
   The forecast holds that the primary period of hurricane threat will run from mid-August to mid-October and will encompass the entire Gulf and Atlantic.
   Anyone else care to venture a forecast?
Tags: hurricane, tropical storm, Accuweather.com, forecast
posted by dtewes on Tuesday, June 17, 2008 at 04:28 PM
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