Predictive power?
The 11.6 year period predicted
correctly that a new outburst would
occur in November 1994.
The maximum was also correctly
predicted to be smaller than the
1983 outburst, according to the
apparent 60-year modulation of
amplitude.
This was a success for the model
and widely regarded as confirming
the periodicity.
But… maybe it did not!
(
watch this
space
)