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Category Archives: Climate Cycles
The dog that did not bark
Guest post by Peter Morcombe Remember the case of “Silver Blaze”? Here Sherlock Holmes discusses it with a Scotland Yard detective: Gregory: “Is there any other point to which you would wish to draw my attention?” Holmes: “To the curious … Continue reading
Weather swings and see-saws
The contrast of the current March weather to Spring last year could hardly be a greater swing (Daily Mail: What a difference a year makes: Mother’s Day daffodils delayed by the cold weather…) to the coldest March in 50 years … Continue reading
Posted in Climate Cycles, Weather
Tagged Arctic, Climate Science, Cold, Met Office, Natural Cycle, snow, Temperatures
13 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
Estimating sea ice decline due to natural variability
From environmentaresearchweb.org, a new paper examines the contribution of natural cycles the AMO, AO and AMOC to the reduction in Arctic sea ice. A Japanese and UK collaboration used five CMIP3 coupled general circulation models with pre-industrial forcing to investigate … Continue reading
Cherries are not the only fruit
A Tamino rant aimed at Joe D’Aleo’s Arctic ice refreezing after falling short of 2007 record (also at ICECAP) has had me smiling. Tamino’s accusation against Joe of cherry picking are centred on one of the graphs originally posted here at … Continue reading
Posted in Climate Cycles, Station Data, Trends
Tagged Arctic, Natural Cycle, Station Data, Urban Heat Island, Warming
Comments Off on Cherries are not the only fruit
Auntie – your slip is showing
Time for the Beeb to rethink its appearance on at least one aspect of science reporting. I was gobsmacked by Tuesday’s news predicting a sunspot cycle shutdown. I mean, yes I have been following the science, theories and speculation about … Continue reading
Is the PDO correlated to road openings?
Anthony Watt’s post at WUWT yesterday (Snowbound USHCN weather station at Crater Lake set me thinking. Or perhaps I should say more specifically that it was Ric Werme’s comment about road openings: “Washington State DOT reopened Rt 20, the North … Continue reading
It’s a lemming year
[Update (14th May): Not just lemmings but a plague of Scottish Field Voles. They too have benefited from increased snow cover thermal insulation and protection from predators.] Both Norway and Sweden are reporting a population explosion of lemmings this year. … Continue reading
Unprecedented Warming?
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
Which Was The Warmest Decade?
Guest Post by Charles Duncan Between 1970 and 2000, global average temperatures (as measured by weather stations and satellites) showed a steady increase, leading to forecasts by some of catastrophic climatic change. However data from weather stations (before the satellite … Continue reading
Posted in Climate Cycles, GHCN V3 Beta, Mapping, Station Data
Tagged Station Data, Temperatures
11 Comments
Digging in the Clay 