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sci.geo.meteorology (Meteorology) (sci.geo.meteorology) For the discussion of meteorology and related topics. |
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#1
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On Feb 29, 9:53 pm, "BN00Z" wrote:
"Roger Coppock" wrote in message ... B00ZN wrote: The New Consensus, Global Cooling QUOTE: "The total amount of cooling ranges from 0.65C up to 0.75C-a value large enough to erase nearly all the global warming recorded over the past 100 years." NOPE, NOT AT ALL. THIS STATEMENT IS SIMPLY FALSE, A LIE. January did not even go below the 1951-1980 data base norm. (The entry for January, 2008, is positive.) http://data.giss.nasa.gov/gistemp/ta...LB.Ts+dSST.txt Au contraire Coppcock! January 2008 is about 0.6 degrees C COOLER than January 2007. Of course, 2007 was the warmest January on record.http:// lwf.ncdc.noaa.gov/oa/climate/research/2008/jan/global.html#temp So Jan. 2008, while cooler than Jan. 2007, is still above average. Twelve-month long drop in world temperatures wipes out a century of warming Lie. 2007 was the warmest year on record. |
#2
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On Mar 3, 5:25*pm, Lloyd wrote:
Of course, 2007 was the warmest January on record.http:// lwf.ncdc.noaa.gov/oa/climate/research/2008/jan/global.html#temp So Jan. 2008, while cooler than Jan. 2007, is still above average. indeed. if it "wiped out a century of warming", why is the lowest point of the temp still +.036 above the baseline, which is the average for 1960-1990? wouldn't it have to be below? i keep asking, funny how nobody answers that. i guess whatever rightwingnutspew website edjicated them regarding the facts forgot to tell them and their brains is stuck for an answer. |
#3
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On 4/03/08 16:45, in article
, "z" wrote: On Mar 3, 5:25*pm, Lloyd wrote: Of course, 2007 was the warmest January on record.http:// lwf.ncdc.noaa.gov/oa/climate/research/2008/jan/global.html#temp So Jan. 2008, while cooler than Jan. 2007, is still above average. indeed. if it "wiped out a century of warming", why is the lowest point of the temp still +.036 above the baseline, which is the average for 1960-1990? wouldn't it have to be below? i keep asking, funny how nobody answers that. i guess whatever rightwingnutspew website edjicated them regarding the facts forgot to tell them and their brains is stuck for an answer. For me, if one views the monthly range of temperatures http://data.giss.nasa.gov/gistemp/graphs/Fig.C.lrg.gif the fluctuations (call if noise) around the currently computed 5 year moving average of 0.6°C makes a monthly 1.1°C or 0°C anomaly statistically possible, even probable. This is why one can't take a couple of months readings as a new trend. For instance, in that graph one might claim a new cooling trend starting in 1998 for two years from an anomaly of 1°C (hotter than the 0.6 average) to nearly 0.1°C. But the system turned around and went from 0.1 back up to 1.0 in early 2002, and then dropped again to 0.2 by mid 2004, then turned around one again peaking in 2007. It is hard to read any trend at all from that graph and some people have commented that global warming is no longer occurring. The same people jumped on the band wagon of saying it is cooling based on a single measurement this winter! What we do know, if we don't get too myoptic and misuse curves like http://data.giss.nasa.gov/gistemp/graphs/Fig.C.lrg.gif is that view as a 5 yr moving average http://data.giss.nasa.gov/gistemp/graphs/Fig.A2.lrg.gif The upward trend is more obvious and the slope only amounts to around 0.2°C per decade above the 1950-1980 average. (3 decades produce a temperature rise of 0.6°C). So we have to wait 10 years to see if anything is happening with regard to cooling. It is not beyond the realm of possiblity that we could run into a long term static period as between 1950-1980 but if the CO2 hypothesis is correct, it will not cool off significantly. |
#4
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On Mar 4, 11:28*am, Earl Evleth wrote:
On 4/03/08 16:45, in article , "z" wrote: On Mar 3, 5:25*pm, Lloyd wrote: Of course, 2007 was the warmest January on record.http:// lwf.ncdc.noaa.gov/oa/climate/research/2008/jan/global.html#temp So Jan. 2008, while cooler than Jan. 2007, is still above average. indeed. if it "wiped out a century of warming", why is the lowest point of the temp still +.036 above the baseline, which is the average for 1960-1990? wouldn't it have to be below? i keep asking, funny how nobody answers that. i guess whatever rightwingnutspew website edjicated them regarding the facts forgot to tell them and their brains is stuck for an answer. For me, if one views the monthly range of temperatureshttp://data.giss.nasa.gov/gistemp/graphs/Fig.C.lrg.gif the fluctuations (call if noise) around the currently computed 5 year moving average of 0.6°C makes a monthly 1.1°C or 0°C anomaly statistically possible, even probable. *This is why one can't take a couple of months readings as a new trend. For instance, in that graph one might claim a new cooling trend starting in 1998 for two years from an anomaly of 1°C (hotter than the 0.6 average) to nearly 0.1°C. But the system turned around and went from 0.1 back up to 1.0 in early 2002, and then dropped again to 0.2 by mid 2004, then turned around one again peaking in 2007. It is hard to read any trend at all from that graph and some people have commented that global warming is no longer occurring. The same people jumped on the band wagon of saying it is cooling based on a single measurement this winter! What we do know, if we don't get too myoptic and misuse curves likehttp://data.giss.nasa.gov/gistemp/graphs/Fig.C.lrg.gif is that view as a 5 yr moving averagehttp://data.giss.nasa.gov/gistemp/graphs/Fig.A2.lrg.gif The upward trend is more obvious and the slope only amounts to around 0.2°C per decade above the 1950-1980 average. (3 decades produce a temperature rise of 0.6°C). So we have to wait 10 years to see if anything is happening with regard to cooling. It is not beyond the realm of possiblity that we could run into a long term static period as between 1950-1980 but if the CO2 hypothesis is correct, it will not cool off significantly. "Undoubtedly, the cooling trend through the year was due to the strengthening La Nina, and the unusual coolness in January was aided by a winter weather fluctuation.... The large short-term temperature fluctuations have no bearing on the global warming matter or the impacts of global warming ... A global warming much smaller than weather fluctuations has the potential for dramatic effects, e.g., by setting in motion future large sea level change, species extinction, and various other impacts. ... Cold weather does raise an interesting point, though. People who do not like cold weather, and might have welcomed the idea that Minnesota may become more like Missouri or Massachusetts like Virginia, must give up that notion" http://www.columbia.edu/%7Ejeh1/mail...oldWeather.pdf |
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