Tag Archives: David Archibald

Norway’s wheat production impacted by Climate Change

Guest essay by David Archibald A correspondent in Oslo writes: “The official view in Norway is in contrast to what the people experience because of cooling weather: Late spring gives flooding and avalanches when late snow-melting in the mountains. Water … Continue reading

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Posted in Agriculture, Climate_change | Tagged , , | 88 Comments

The WUWT Hot Sheet for Wednesday July 31st, 2013

Shocker: Global Warming Kneejerker Admits It Posted on July 30, 2013 2:20 pm by Bill Quick You can go wading in the lake at the North Pole – Boing Boing At Climate Central, Andrew Freedman provides some really fascinating context … Continue reading

Posted in The WUWT Hot Sheet | Tagged , | 29 Comments

The curious case of rising CO2 and falling temperatures

Guest essay by Tony Brown Some readers might recall my recent article ‘The Long Slow Thaw?’ In this I reconstructed Central England temperature to 1538 from its current instrumental date of 1659. I was surprised by two notable periods of … Continue reading

Posted in Uncategorized | Tagged , , , , , | 140 Comments

Solar Update February 2013

Guest post by David Archibald Solar Cycle 24 has already seen five consecutive colder winters. This is a link to a post about a German meteorologist who has seen the light. Eventually people will work their way back to where … Continue reading

Posted in Science, Solar | Tagged , , , | 177 Comments

The UK Growing Season

Guest post by David Archibald Next week I am hosting a dinner party at which a Fellow of the Royal Society will be guest of honour – one of the Gang of Four who got the Society to tone down … Continue reading

Posted in Agriculture | Tagged , , | 120 Comments

When will it start cooling?

Guest post by David Archibald My papers and those of Jan-Erik Solheim et al predict a significant cooling over Solar Cycle 24 relative to Solar Cycle 23. Solheim’s model predicts that Solar Cycle 24, for the northern hemisphere, will be … Continue reading

Posted in Solar | Tagged , , , | 387 Comments

The Sun has changed its character

Guest post by David Archibald A number of solar parameters are weak, and none is weaker than the Ap Index: Figure 1: Ap Index 1932 to 2026 Figure 1 shows the Ap Index from 1932 with a projection to the … Continue reading

Posted in Solar, Spaceweather | Tagged , , , , , , , | 176 Comments

Book Review of “Super Fuel”

Guest Post by David Archibald There is a rich tradition of rational weathermen taking an interest in the potential of thorium-based nuclear power. Witness this video made by John Coleman:

Posted in Energy, thorium power | Tagged , , , , , , , | 86 Comments

A look at oil production

Saudi Production Profile Guest post by David Archibald World conventional oil production peaked in 2005 and has been on a plateau at about that level ever since. This graph suggests that the market changed from inherent over-supply to inherent tightness … Continue reading

Posted in Energy, petroleum | Tagged , , , , | 188 Comments

Premonitions of the Fall (in temperature)

Guest post by David Archibald The first prediction of the current climatic minimum was made by Hubbert Lamb in 1970 in a report (Weiss and Lamb) for the German Navy. He did it by making a reconstructed record of the … Continue reading

Posted in Forecasting, Paleoclimatology, Solar | Tagged , , , , , | 198 Comments

Solar Update March 2012

by David Archibald Figure 1: Heliospheric Current Sheet Tilt Angle 1976 – 2012 The heliospheric current sheet tilt angle is currently at 67°. Solar maximum occurs when it reaches 74° – so a little bit further to go.

Posted in Solar | Tagged , , , , , , , | 93 Comments

Quantifying the Solar Cycle 24 Temperature Decline

Guest post by David Archibald Three wise Norwegians – Jan-Erik Solheim, Kjell Stordahl and Ole Humlum – have just published a paper entitled “The long sunspot cycle 23 predicts a significant temperature decrease in cycle 24”. It is available online … Continue reading

Posted in Forecasting, Science, Solar | Tagged , , , , , , , | 210 Comments

Headlines over solar cycle 25 and potential global cooling

There’s a story about solar cycle 25, and a potential “mini ice age” in the UK Daily Mail by David Rose that is making headlines today, even hitting the Drudge Report. The headline is: Forget global warming – it’s Cycle … Continue reading

Posted in Climate data, Solar | Tagged , , , , , , , , , | 186 Comments

First Estimate of Solar Cycle 25 Amplitude – may be the smallest in over 300 years

Guest post by David Archibald Predicting the amplitude of Solar Cycle 24 was a big business. Jan Janssens provides the most complete table of Solar Cycle 24 predictions at: http://users.telenet.be/j.janssens/SC24.html Prediction activity for Solar Cycle 24 seemed to have peaked … Continue reading

Posted in Solar | Tagged , , , , , , , | 251 Comments