Tag Archives: Instrumental temperature record

Historic variations in temperature number Four-The Hockey stick

Guest essay by Tony Brown Section 1 Summary of a previous article; A short while ago I published an article on ‘Noticeable climate change’ during the past 500 years, based on historical observation and instrumental records. To understand the context … Continue reading

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Posted in Paleoclimatology, Temperature | Tagged , , , , , , , | 83 Comments

Over 650 snow records set in USA this week – another wonky surface station located

UPDATE : The NWS responds about the station issue, see below. – Anthony Almost 60% of the contiguous USA covered in snow. While pundits spin attempts at linking snowfall in the Northeast USA to AGW, much like they do in … Continue reading

Posted in Climate data, records, snowfall, Weather, Weather_stations | Tagged , , , | 111 Comments

Japan’s ‘Cool Hand Luke’ moment for surface temperature

At NASA’s Climate 365, there is an interesting story posted with this statement and a graph: Some say scientists can’t agree on Earth’s temperature changes Each year, four international science institutions compile temperature data from thousands of stations around the … Continue reading

Posted in Climate data, NASA GISS, NCDC, NOAA | Tagged , , , , , , , , | 122 Comments

Station bias – an old problem

A number of readers have commented about the story from Sunday about NOAA’s experiment at Oak Ridge Laboratory to determine the warming effects of siting suggesting that the experiment was long overdue. many found it surprising that it has taken … Continue reading

Posted in UHI, Surfacestations paper | Tagged , , , , , | 41 Comments

Hansen’s NASA GISS – cooling the past, warming the present

The Climate of Gavin: How GISS Have Changed The Temperature Record Since 2008 Guest post by Paul Homewood I ran a post yesterday, showing how the latest version of GISSTEMP had changed from using Hadley/Reynolds to ERSST for ocean temperatures, with … Continue reading

Posted in Gavin Schmidt, James Hansen, NASA GISS | Tagged , , , , , , , | 67 Comments

AR5 Chapter 11; Hiding the Decline (Part II)

Guest post by David M. Hoffer In my first two articles on the leaked AR5 Chapter 11 (near-term projections) I looked at the caveats with which the IPCC is now surrounding their projections, and the lengths to which they are … Continue reading

Posted in IPCC, IPCC AR5 leak | Tagged , , , | 209 Comments

Dr. David Whitehouse on the AR5 figure 1.4

Dr. David Whitehouse of the GWPF expounds on the “prime statistic of global warming” graph and its failure, as first reported here. The Leaked AR5 Report And Global Temperature Whatever one’s view about the leaking of the draft IPCC AR5 … Continue reading

Posted in IPCC, IPCC AR5 leak | Tagged , , , , , , , | 107 Comments

The Met office responds to ‘Global warming stopped 16 years ago’

This article and graphic from David Rose in the UK Daily Mail has caused quite a stir as we covered it here over the weekend.  The Met Office has responded exactly as one would expect they would and I repeat … Continue reading

Posted in Climate data, Global warming | Tagged , , , , , | 101 Comments

UAH global temperature – up .06C – not much change

UAH Global Temperature Update for August, 2012: +0.34 deg. C By Dr. Roy Spencer The global average lower tropospheric temperature anomaly for August (+0.34 °C) was up from July 2012 (+0.28 °C): Here are the monthly departures from the 30-year … Continue reading

Posted in Climate data | Tagged , , | 59 Comments

Lies, Damn Lies, and Anoma-Lies

Anomalies are unsuitable measure of global temperature trends Guest post by David M. Hoffer An anomaly is simply a value that is arrived at by comparing the current measurement to some average measurement.  So, if the average temperature over the … Continue reading

Posted in Climate data | Tagged , , | 159 Comments

Climate FAIL: GISS is presenting 2012 US temperature as ‘off the chart’, while preventing older data from being archived

UPDATE: 8/22/12 9AM The problem has been solved, GISS responded to my complaint -Anthony Like the erroneous graph at California Governor Jerry Brown’s climate denier slam site,  here’s another one of those things that I’ve been sitting on for about … Continue reading

Posted in Climate FAIL, NASA GISS | Tagged , , , | 81 Comments

July was also the 329th consecutive month of positive upwards adjustment to the U.S. temperature record by NOAA/NCDC

I’ve noticed there’s a lot of frenetic tweeting and re-tweeting of this “sound bite” sized statement from this Climate Central piece by Andrew Freedman. July was the fourth-warmest such month on record globally, and the 329th consecutive month with a … Continue reading

Posted in Climate data, Weather_stations | Tagged , , , , , , | 154 Comments

Dear NOAA and Seth, which 1930′s were you comparing to when you say July 2012 is the record warmest?

The press release is out, and the usual serial bloviators are rushing to trumpet the news. July 2012 was the hottest ever on record! “Yikes! We’re gonna roast! Global Warming!” they wail on Twitter and blogs. The driver of this … Continue reading

Posted in Climate data, heat wave, records, Weather | Tagged , , , , , | 87 Comments

Has the CRUTEM4 Data been fiddled with?

Guest post by Ed Thurstan Abstract It is apparent from the data that CRUTEM4 temperatures adjustments have, in part, been made with reference only to the earlier CRUTEM3 data, rather than raw temperature data. Further, the adjustments depend on the … Continue reading

Posted in Climate data | Tagged , , , , , , | 158 Comments

Tisdale on Polar Amplification

Polar Amplification: Observations versus IPCC Climate Models Guest post by Bob Tisdale We’ve illustrated and discussed polar amplification in a few posts in the past. See here and here. Wikipedia has a short blurb about it: Polar amplification is the greater … Continue reading

Posted in Arctic, IPCC, Modeling, NASA GISS | Tagged , , , , , , , , | 37 Comments

Declining global average cloud height: “A significant measure of negative feedback to global warming”

Guest post by Dr. Pat Michaels – reposted (with permission) from World Climate Report A new paper just published in Geophysical Research Letters by Roger Davies and Mathew Molloy of the University of Auckland finds that over the past decade … Continue reading

Posted in Climate sensitivity | Tagged , , , , , , , | 99 Comments

How reliable are global temperature “anomalies” ?

Guest post by Clive Best Perhaps like me you have  wondered why “global warming” is always measured using temperature “anomalies” rather than by directly measuring the absolute temperatures ? Why can’t we simply average  the surface station data together to … Continue reading

Posted in Climate data | Tagged , , , , , , , | 82 Comments

Tisdale on Foster and Rahmstorf – take 2

Bob has asked me to carry this post, and I’m happy to do so. For those who want to criticize without contributing anything but criticism, I offer this insight: The only real mistake is the one from which we learn … Continue reading

Posted in ENSO, Sea Surface Temperature | Tagged , , , , , , , | 147 Comments