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Tag Archives: Solar maximum
February solar data shows the Sun to still be slumping – but NASA says ‘twin peaks’ may happen
The data from SWPC is in, and it is lethargic at best. Sunspot numbers took a hit, down to about 42, a delta of ~50 lower compared to the red prediction line. 10.7 cm solar radio flux took a similar … Continue reading
Posted in Solar
Tagged Solar cycle, Solar cycle 24, Solar maximum, Space Weather Prediction Center, Twin Peaks
196 Comments
Another regime change indication – this time in solar data
Note: See also the 1997 regime change in global climate data by the same method, here I’m happy to report that something I recognized and reported back in 2008 related to solar data has been independently confirmed by another source, … Continue reading
Posted in Science, Solar
Tagged Hurst ReScaling, Solar maximum, Solar variation, sun, University of Michigan
107 Comments
The sun is still in a funk: sunspot numbers are dropping when they should be rising
The sunspot number for February from SIDC is down again, to 33.1 Here’s the source of that data: http://sidc.oma.be/DATA/monthssn.dat So far, cycle 24 is significantly lower in SSN number that the last three cycles, in addition to having a delayed … Continue reading
Solar Cycle 24 Length and Its Consequences
Guest post by David Archibald Solar Cycle 24 is now three years old and predictions of the date of solar maximum have settled upon mid-2013. For example, Jan Janssens has produced this graph predicting the month of maximum in mid-2013, … Continue reading
Posted in Science, Solar
Tagged Solar activity, Solar cycle 24, Solar maximum, Solar variation
140 Comments
Solar Max – So Soon?
Guest post by David Archibald Dr Svalgaard has an interesting annotation on his chart of solar parameters – “Welcome to solar max”: Graphic source: http://www.leif.org/research/TSI-SORCE-2008-now.png Could it be? It seems that Solar Cycle 24 had only just begun, with solar … Continue reading
NASA’s Sunspot Prediction Roller Coaster
Guest Posting by Ira Glickstein Santa brought us a new Sunspot prediction to be added to NASA’s incredibly high series of at least five ill-fated predictions starting in 2006. NASA’s latest peak Sunspot Number for Solar Cycle #24 (SC24) is … Continue reading
