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Thread: Where is the snow?

  1. #1 Where is the snow? 
    Forum Freshman
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    Winter has come to ours for a long time.
    But the snow still doesn't appear and it is not so cold like winter.
    Does it has relationship with global warming?


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  3. #2  
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    Yes and no.

    No. Weather is variable, so a snow free Xmas in an area that usually has snow is not unexpected. I'm in Australia and today (here in Adelaide) is the perfect kind of warm and sunny weather most people think of for an Australian Xmas. But it's sometimes cold, wet and miserable and other times it's so hot it's near unbearable. But that's all within natural variability.

    Yes. All weather now, unusual or otherwise, is affected by ocean and atmospheric warming. The biggest changes are in the direction of variability rather than the weather on any given day. We'll still get the occasional coldest ever recorded temperature for a particular day - but instead of the number of hottest ever records being the same as the number of coldest ever temperatures as they were 30 or 40 years ago they're now running at more than double. As for snow? You're now as likely to get more snow as less, because a warmer atmosphere holds more moisture. And if you're underneath when it comes down, you could be snowed in worse than ever before.


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  4. #3  
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    Global warming is not primarily evidenced by rising temperatures. It is evidenced by more violent weather. Imagine the earth's atmospher as a pot of soup on the stove. It is just at a simmer. Heat from the stove is just enough to keep the liquid gently in motion. Now put a lid on the pot. Less heat can now leave the pot and the liquid in the pot starts boiling vigorusly. But the actual teperature of that liquid will not have risen much at all.
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  5. #4  
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    Quote Originally Posted by Sealeaf View Post
    Global warming is not primarily evidenced by rising temperatures. It is evidenced by more violent weather.
    Not really true either as a general statement. Some places will get more, some places will get less--most aren't seeing a change and aren't expected to. Rather than "violent," you should be thinking "extreme," which simply means unusual weather events compared to historical averages-- a heat wave that last a week longer than ever before, a long dry spell, a very late seasonal storm, etc.
    Meteorologist/Naturalist & Retired Soldier
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  6. #5  
    Forum Radioactive Isotope cosmictraveler's Avatar
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  7. #6  
    Forum Radioactive Isotope sculptor's Avatar
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    For the month as a whole, ice grew at near average rates throughout November at 74,800 square kilometers (28,900 square miles) per day compared to the 1981 to 2010 average of 70,500 square kilometers (27,200 square miles) per day. This was despite a period of slow ice growth during the first part of the month. At the end of the month, extent was 580,000 square kilometers (224,000 square miles) lower than average and 420,000 square kilometers (162,000 square miles) above the same time last year.
    from:
    Arctic Sea Ice News and Analysis | Sea ice data updated daily with one-day lag

    last year was a low since records have been kept,(most likely not the record low for this interglacial). But, this year the arctic ice is up more'n 50% over the same time last year.
    meanwhile, the antarctic sea ice continues to increase. The new satelite that monitors arctic sea ice extent and volumn was only launched 3 years ago, so we're likely to get better information going forward.

    If you're missing the snow and cold, we got more'n 'nuff here in Iowa
    from the local news:
    Bitter cold conditions settle in overnight. It’s likely that records will be broken Friday morning as we drop to near 20 below zero in some spots. Wind chills will also approach 30 degrees below zero even with a light wind.
    The same folks said that 2013 was an annual record low year for Iowa. It started out with a cold winter and spring(thanks to an ssw event), and finished with several record low days.

    So, if you really miss the cold, c'mon over(bring some firewood).
    happymandy, where are you located?
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  8. #7  
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    Quote Originally Posted by sculptor View Post
    The same folks said that 2013 was an annual record low year for Iowa. It started out with a cold winter and spring(thanks to an ssw event), and finished with several record low days.
    Most likely talking out of their butts.

    Des Moines over the past 12 months has been in the upper third for temperatures of the past 7 decades.

    National Overview - November 2013 | Average Temperature Anomalies | State of the Climate | National Climatic Data Center (NCDC)

    I'm also pretty sure you realize that one point over one year doesn't matter.
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