The last time we took a look at Leif Svalgaard’s SC25 prediction in 2018, he was predicting a peak amplitude of around 140SSN in 2024 according to the plot or (giving himself more latitude) “SC25 will be somewhere between SC24 and SC20, provided the Polar Field Precursor Relationship holds.”
This has been modified in his latest presentation on the subject. The peak amplitude has been revised downwards to 128+/-10SSN.
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