Announcement today at American Astronomical Society meeting. This if true could be very important, if this turns into a Mauder minimum situation we could be looking at a growing season in the Northern Hemisphere that is 30 to 60 days shorter. They can't predict Solar activity accurately (see the post on Chaos & computer models) However they are Observing (empirical data) significant changes that are bigger than anticipated (many had predicted a quieter sun than normal but we may be going below those predictions. Sun's Fading Spots Signal Big Drop in Solar Activity | Sunspots, Solar Weather & Solar Storms | Solar Cycle | Space.com A lot of commentary here and discussions of implications based on studies that have been out for awhile. BREAKING â major AAS solar announcement: Sunâs Fading Spots Signal Big Drop in Solar Activity | Watts Up With That?