OriginThe elevation of the hockey stick and the whole global warming thing to iconic status makes it a giant with feet of clay – poorly founded and ready to crumble. Time to do some digging…
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Tag Archives: Anomalies
That Warmer Feeling
Unisys Weather has implemented a new colour scheme for the sea surface temperature anomaly (SST Anom). I did see some mention of this in comments elsewhere (WUWT?) but didn’t bother to look until MWhite in comments on the previous post … Continue reading
Posted in Images, Mapping, Weather Tagged Anomalies, Colours, Mapping, Sea Surface Temperature, SST, Unisys 5 Comments
The trouble with anomalies… Part 2
Last week’s post (Part 1) looked at Reno, SFO and Sacramento, three relatively close-by cities at the same latitude but with varying altitude and distance from the coast. The previous post showed that: The three cities differed in their response … Continue reading
Posted in Climate Cycles, Station Data Tagged AMO, Anomalies, Bias, Station Data, Temperatures, Tools, Variance, Volatility 6 Comments
The trouble with anomalies… Part 1
The use of anomalies is the normal defense against any critical assessment of the variability of numbers of stations across the climate record – the so-called ‘station drop-out’. The rationale is that it should not matter if stations are located … Continue reading
Posted in Station Data Tagged Anomalies, Reno, Sacramento, San Francisco, Station Data, Temperatures, Variance 4 Comments
No Average Year
This is a video of the anomaly graphs (First Differences method) for all GHCNV3 stations by year generated by Charles Duncan for a previous post. I post them here mostly as a curiosity.
Posted in GHCN V3 Beta, Station Data Tagged Anomalies, Station Data, Warming Comments Off on No Average Year
An indication of the growth of station bias?
[I was tempted to call this “Post Normal Distributions” for reasons that will become apparent, however it wasn’t entirely appropriate. ] Guest post by Charles Duncan Anthony Watts’ excellent http://www.surfacestations.org website raises questions over the extent to which station changes … Continue reading
Posted in GHCN V3 Beta, Station Data Tagged Anomalies, Station Data, Warming 12 Comments
Why different views of the surface temperature record should always be regarded as a good thing. Parallax – noun: the apparent change in the position of an object due to a change in the position of the observer. (Famously used … Continue reading
Posted in Opinion Tagged Anomalies, Station Data, Temperatures, Urban Heat Island, Warming 6 Comments
I’m Confused Update: I’ve now added the speliothem data sent to me by Charles earlier in the week. Guest Post by Charles Duncan The claim is often made that the rate of temperature change the Earth has experienced over the … Continue reading
Posted in Climate Cycles Tagged AGW, Anomalies, Climate, Greenland, Ice core data, Natural Cycle 10 Comments
Are all anomalies created equal?
Climate is changing; climate has always changed. It is a chaotic system where local microclimate effects can be strong. How can any global average be sure to represent adequately the local nuances and variations (anomalies)? In the existing input data, … Continue reading
Posted in Climate Cycles, GIStemp, Mapping, Station Data Tagged Anomalies, Climate, Natural Cycle, Station Data 5 Comments
GIStemp: Plus ça change (plus c’est la même chose).
The more things change, the more they stay the same. GISS reports updates to the surface temperature analysis regularly (here). In the last year, for example, there has been a change to use of USHCN v2 data for US stations … Continue reading
Posted in GIStemp, Station Data Tagged Adjustment, Anomalies, Climate Research, Homogenisation, Temperatures 6 Comments
Canada – 5: Warming North of the Border
Before moving on from Canada, just one more thing. Kevin reminded me this evening of two things. Big things. First Canada’s size (second largest country in the Northern Hemisphere) and therefore relative importance in climate terms. So why has it … Continue reading
Posted in Station Data, Trends Tagged Anomalies, Station Data, Temperatures 9 Comments