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Politics : Formerly About Advanced Micro Devices
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To: J_F_Shepard who wrote (830865)1/18/2015 10:48:21 PM
From: Wharf Rat1 Recommendation

Recommended By
J_F_Shepard

   of 1577183
 
"NOAA, NASA: 2014 was probably not the warmest year on our recordProbably???? "

Deniers deny; it's what they do. This is a comment from

from
Confirmed - 2014 was the hottest year on record
blog.hotwhopper.com

The usual deniers are already claiming that neither UAH nor RSS show 2014 being the hottest year. Judith Curry for example writes: "Meanwhile, the ‘warmest year’ is noticeably missing in the satellite data sets of lower atmospheric temperatures." archive.today

That is odd since in November 2013 she wrote (as part of her article trying to debunk a Cowtan et al. paper *):

"Second, UAH satellite analyses. Not useful at high latitudes in the presence of temperature inversions and not useful over sea ice (which has a very complex spatially varying microwave emission signature). Hopefully John Christy will chime in on this." archive.today

Anthony W at WUWT blogging about the same issue wrote back in 2013: "NOAA knows high latitude near-pole data will be noisy and not representative, so they don’t even try to display it. UAH is the same way. Between the look-angle problem and the noise generated by sea ice, their data analysis stops short of the pole. RSS does the same due to the same physical constraints of orbit and look angle." archive.today

So what is it, Curry and Watts? Are satellite data OK or not? You can't reject them in 2013 when criticizing a paper which used satellite data only to fully embrace them again in January 2015 to deny that 2014 was the hottest year.

* Cowtan et al., Coverage bias in the HadCRUT4 temperature series and its impact on recent temperature trends onlinelibrary.wiley.com

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