[OKDXA] A GRIM PREDICTION
K8fu at aol.com
K8fu at aol.com
Mon Mar 24 11:14:45 EST 2008
I'm in the later and smaller camp. Anecdotal evidence is pointing towards a
smaller and later peak for solar cycle 24.
In 2007 I predicted a solar cycle 24 peak at a (SSN) smoothed sunspot number
of 105 in October 2012 and stand by that forecast. If correct solar cycle 24
will be smaller than the previous three and make for grim DXing on the
higher HF bands and a cooling of the global climate.
Anecdotal evidence is pointing towards another Dalton Minimum. A Dalton
Minimum is a miniature version of the infamous Maunder Minimum, where the
number of sunspot groups drop to a below normal level and corresponding
total energy output of the Sun also drops. This would bring on a mini mini
ice age for a period of 30-50 years.
NOTE!!! A slow rise time in a solar cycle is indicative a relatively small
maximum within the cycle, with a fast rise time indicative of a relatively
large maximum within a solar cycle. As of March 24, 2008 we have seen only
8 sunspot groups since January 1st. Of those eight seven are solar cycle 23
sunspot groups.
On January 4, 2008 it was declared by the NOAA SWPC that solar cycle 24 had
begun based on the first reversed polarity b sunspot cycle group but that
was
just to end the suspense. We are not at th i at point yet. Therefore in my
professional opinion we are still at the bot t om of solar cycle 23. However
from an improved propagation point of view e here is no difference between
the bottom of solar cycle 23 and the begin m ing of solar cycle 24.
Unfortunately there is no official definition as e to when a new sunspot
cycle
begins. It is generally accepted that when the number of solar cycle 24
sunspot group numbers surpass the number of solar cycle 23 sunspot group
numbers solar cycle 24 will be underway. This will probably not occur for a
few more months or so.
It's easier to look back and declare that a solar cycle is already underway
then to predict when it will begin. As of this moment we still can't point
to the month that the lowest smoothed sunspot number occurred, to be able to
point to the arrival of the bottom of solar cycle 23, however October 2007
looks like a good candidate.
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