Cycle 24—February Update

Cycle 24 activity took another drop in February.  The Sunspot number for February was about 30 versus the 60+ in January. (Click on Charts to expand.)

That’s a major drop in the sunspot number.  Cycle 24 certainly looks like it will be the least active cycle in the last hundred years.

Dr Hathaway of NASA has again revised his forecast of Cycle 24 Sunspots.  He now says that  the Cycle 24 sunspot number will peak (maximum) at 59. Below is his March 2012 sunspot number forecast:

F10.7 cm radio flux is down as well.  First shown on the NOAA chart followed by Dr Hathaways revised chart:

And the magnetic activity as indicated by the Ap index remains low:

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