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- Study predicts the sun is headed for a Dalton-like solar minimum around 2050 Tue, 3 Dec 13, 11:30amMethod uses the Ap geomagnetic index, which has been in a slump since October 2005: The Hockey Schtick tips us to a paper published today in Advances in Space Research predicts that if the current lull in solar activity “endures...
- Like ‘the pause’ in surface temperatures, ‘the slump’ in solar activity continues Fri, 13 Sep 13, 10:33pmThe NOAA Space Weather Prediction Center has updated their monthly graph set and it is becoming even more clear that we are past solar max, and that solar max has been a dud...
- The solar cycle is still slumping Thu, 11 Jul 13, 5:01pmIt is looking more and more like a double sunspot peak for solar cycle 24. Sunspot count is down again: A similar drop occurred in radio flux. The Ap magnetic index remains low, but is up 3 units from last … Continue...
- December solar activity in a big slump Wed, 9 Jan 13, 10:26pmThe December data from NOAA’s Space Weather Prediction Center is in, and it looks more and more like the peak of solar cycle 24 has been reached, and that we are now past it...
- Solar Activity – Past, Present, Future Mon, 12 Nov 12, 1:15pmEssay/paper by Dr. Leif Svalgaard Abstract As our civilization depends increasingly on space-borne assets and on a delicate and vulnerable earth-bound infrastructure, solar activity and its potential impact becomes of increasing...
- Paper demonstrates solar activity was at a grand maximum in the late 20th century Fri, 14 Sep 12, 4:34pmSolar activity measured by isotope proxies revealed the end of 20th century was the highest activity in 1200 years A 2010 paper (that I somehow missed) was recently highlighted by the blog The Hockey Schtick and I thought...
- A quiet cue ball sun Mon, 25 Jun 12, 6:00amSource: http://sdo.gsfc.nasa.gov/assets/img/latest/latest_4096_4500.jpg A couple of people have noticed (as did I) that the sun is essentially blank. There was one small sunspot sunspeck 1511 yesterday, giving a sunspot count...
- NASA June 2012 Solar Cycle 24 Prediction Sat, 9 Jun 12, 4:46amCompiled by Joe D’aleo WeatherBell via NASA MSFC The current prediction for Sunspot Cycle 24 gives a smoothed sunspot number maximum of about 60 in the Spring of 2013...
- Solar cycle update for April – sun still slumping Thu, 10 May 12, 8:30pmGot a bit sidetracked earlier in the month, this is overdue for an update. Earlier we reported that Hathaway had updated his solar cycle prediction saying “…the predicted size makes this the smallest sunspot cycle...
- NASA/Hathaway’s updated solar cycle prediction – smallest in 100 years Thu, 3 May 12, 7:52am…the predicted size makes this the smallest sunspot cycle in about 100 years (Updated 2012/05/01) From: http://solarscience.msfc.nasa.gov/predict.shtml The current prediction for Sunspot Cycle 24 gives a smoothed sunspot...
- The sun is still in a funk: sunspot numbers are dropping when they should be rising Fri, 2 Mar 12, 7:01pmThe sunspot number for February from SIDC is down again, to 33.1 Here’s the source of that data: http://sidc.oma.be/DATA/monthssn.dat So far, cycle 24 is significantly lower in SSN number that the last three cycles,...
- NASA’s November Solar Prediction Mon, 7 Nov 11, 1:36pmBy David Archibald Joe D’Aleo asked for my comments on NASA’s latest solar prediction, available here: http://solarscience.msfc.nasa.gov/predict.shtml When I read May 2013 for solar cycle maximum, I thought “That is...
- The smallest sunspot cycle in two hundred years Sun, 10 Apr 11, 9:58amI missed this earlier this week from NASA, I got a bit distracted with other things. Sixty two – that’s the new number from Hathaway on April 4th, have a look: They write at NASA MSFC Current prediction for the...
- The minimal solar activity in 2008–2009 and its implications for long‐term climate modeling Sun, 20 Mar 11, 5:07amThis is a new paper in Geophysical Research Letters by C. J. Schrijver, W. C. Livingston, T. N. Woods, and R. A. Mewaldt. WUWT readers may recognize Livingston as the creator of one of the datasets we regularly follow graphically...