latest_512_HMIIC-march-28-2016

Solar Update March 2016

Guest essay by David Archibald There are a couple of interesting features of the state of the Sun at the moment. Firstly the Oulu Neutron Count has had a rapid reversal in the last few months: Figure 1: Oulu Neutron Count 1964 – 2016 The neutron count is looking like the rapid reversal during Solar…

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The Sun in February 2016 and the latest heat records

By Frank Bosse and Fritz Vahrenholt In February 2016 our sun’s activity was, as in almost every month of the current cycle, well below the average. The observed SSN (SunSpotNumber) was 57.2. The average of the cycles 1 … 23 for this month is 80.8, thus the observed activity was 71% of the average value…

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Cycle 24 Solar activity slowly ramping up (this month)

After being in a slump last month, it seems that sunspots are starting to pick up again as this latest SDO image shows: This of course is just a minor blip, as the trend is downward, as we now are on the downslope of cycle 24 activity as this plot from Dr. Leif Svalgaard demonstrates.…

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New insights into the solar magnetic dynamo

From NASA/GODDARD SPACE FLIGHT CENTER NASA: Understanding the magnetic sun The surface of the sun writhes and dances. Far from the still, whitish-yellow disk it appears to be from the ground, the sun sports twisting, towering loops and swirling cyclones that reach into the solar upper atmosphere, the million-degree corona – but these cannot be…

Amazon River Flow Data 1902 2014

Noise Assisted Data Analysis

Guest Post by Willis Eschenbach Once again, Dr. Curry’s “Week in Review-Science and Technology” doesn’t disappoint. I find the following: Evidence of a decadal solar signal in the Amazon River: 1903 to 2013 [link]  by Antico and Torres So I go to the link, and I find the abstract: Abstract It has been shown that…