Apparently she might have got that right.
She also believed that New York City would be buried in ice and snow withing the next few years.
I believe that her speculation - largely based upon still-absent knowledge because these cycles are so LONG (and the reason for the shift from GW to CC) - wasn't misplaced. Irony being that I believe we were one major volcanic (or meteoric) event away from just such a scenario.
...still.