Re: Record low temperatures over the North Pole
From: Matt Giwer (matt_at_tampabay.REMover.rr.com)
Date: 02/04/05
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Date: Fri, 04 Feb 2005 03:06:16 GMT
jgreenfield@seol.net.au wrote:
> Matt Giwer wrote:
>
>>CWatters wrote:
>>
>>>"ošin" <ošin@ragnarok.com> wrote in message
>>>news:O-ydnXCxutxKRGLcRVn-hA@whidbeytel.com...
>>
>>>>It leads to more extremes? By what mechanisms?
>>
>>>More energy = more activity. It's why Glider pilots like summer!
>>
> http://www.msc-smc.ec.gc.ca/education/scienceofclimatechange/understanding/ccd/ccd_9801/sections/4_e.html
>
>>>Extreme Weather and Climate Change
>>>Greenhouse Warming and Weather Extremes
>>
>>>Selected quotes:
>>
>>>"...higher temperatures not only increase evaporation and transpiration but
>>>also raise the air's capacity to hold moisture. Consequently, more moisture
>>>will be available in the atmosphere to fall as rain and snow"
>>
>> Sounds like an improvement to me. The predictions of water wars, shortages of
>>drinking and agricultural water are common. Bad news for the melters though,
>>glaciers change size by the ratio of winter precipitation to summer melting.
>>More snow and maybe the glaciers grow.
>>>"Hurricane intensity could also be affected by a warmer climate.That is
>>>because the theoretical limit for hurricane strength depends upon the extent
>>>of the local energy imbalance between the atmosphere and the ocean."
> Aren't the most "energetic" winds in the Antarctic? (wind speed
> record/most sustained periods of high winds)
The question was about hurricanes, transient storm systems, not the antarctic. Apples and oranges.
>> It is not clear how that differential increases. We have people swearing the
>>oceans are getting warmer. And temperature differential starts from absolute
>>zero so 1 degree is about 1/3 of 1%. Hurricanes get their energy from warm
>>waters not cold.
> Melbourne had its coldest day in history yesterday, and its largest
> 24hr rainfall!
And up hear the drought in the American southwest was broken last month. The drought was
"obviously" caused by global warming.
-- It is a great time to be President. You can start wars, waste hundreds of billions of dollars, get thousands of Americans killed and wounded and still have a 48% job approval rating after being re-elected. -- The Iron Webmaster, 3353
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