Homeland Security takes on The Carrington Event

While we worry about future threats like global warming, and present threats like Iran’s escalating nuclear program, the sun’s propensity for belching out monstrous solar flares (like the Carrington event…

German skeptics Lüning and Vahrenholt respond to criticism

Foreword: Dr Sebastian Lüning and Prof. Fritz Vahrenholt, authors of a new controversial skeptic book now hitting German bookstores, have asked me to post their response to comments made by…

Do Latest Solar Studies Confirm Upcoming Global Cooling?

Guest post by Matti Vooro I fully support the findings of  Jan –Erik Solheim , Kjell Stordahl and Ole Humlum and their very recent paper called The long sunspot cycle…

First Estimate of Solar Cycle 25 Amplitude – may be the smallest in over 300 years

Guest post by David Archibald Predicting the amplitude of Solar Cycle 24 was a big business. Jan Janssens provides the most complete table of Solar Cycle 24 predictions at: http://users.telenet.be/j.janssens/SC24.html…

Unified Climate Theory May Confuse Cause and Effect

Guest Post by Ira Glickstein The Unified Theory of Climate post is exciting and could shake the world of Climate Science to its roots. I would love it if the…

A controversial look at Blackbody radiation and Earth minus GHG's

Guest Post by Reed Coray On Dec. 6, 2011 12:12 am Lord Monckton posted a comment on a thread entitled Monckton on sensitivity training at Durban that appeared on this…

Solar-Terrestrial Power Update

By Paul L. Vaughan, M.Sc. The amplitude of Earth’s zonal winds is modulated by the solar cycle. Here’s a concise visual update based on the latest data: LOD’ = rate…

Comet Lovejoy survives a brush with Sol

From Physorg.com Comet Lovejoy was only discovered a couple of weeks ago. It was supposed to melt as it came so close to the sun that the temperatures would hit…

Shifting Sun-Earth-Moon Harmonies, Beats, & Biases

Paul L. Vaughan, M.Sc. – October 2011 This post has no introduction, per the author’s request, start with the graphs. A PDF of a more complete paper is linked at…

Study: solar activity lull increases chances of cold UK winters

From the Institute of Physics More than 1 in 10 chance of colder UK winters As the Sun enters a period of low solar activity over the next 50 years,…

Scientists Prove Existence of 'Magnetic Ropes' that Cause Solar Storms

Seems like GMU doesn’t stop, waiting for Dave Clarke and John Mashey to launch the next copygate volley. Here’s some interesting research. FAIRFAX, Va., June 15, 2011—George Mason University scientists…

NASA JPL on New Insights on How Solar Minimums Affect Earth

This is the first of what I’m sure will be a series of solar stories related to the stunning (at least to people who have not been following WUWT since…

Latest solar cycle update from the Space Weather Prediction Center

SWPC updated their solar cycle progression page…looks like the levels have held since the big uptick in March.

New solar reconstruction paper suggests 6x greater solar forcing change than cited by the IPCC

This is interesting. This recent paper published in the journal Astronomy & Astrophysics here has done a reconstruction of TSI using Beryllium 10 isotope records combined with sunspot records. The paper…

Update on solar cycle 24

NOAA’s Space Weather Prediction Center posted an update to their graphs today. They show the largest gains in solar cycle 24 tracking metrics I’ve seen yet. See graphs below:

Courtillot on the solar UV climate connection

From the HockeySchtick Video: Geophysicist explains how the Sun controls climate, not CO2 Dr. Vincent Courtillot is a professor of geophysics at the University Paris-Diderot and Chair of paleomagnetism and geodynamics of…

Does solar activity have to KEEP going up to cause warming? Mike Lockwood responds

Guest post by Alec Rawls My first post on this subject remarked on the number of scientists who assert that late 20th century global warming cannot have been driven by…

The minimal solar activity in 2008–2009 and its implications for long‐term climate modeling

This 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…

SDO getting an eclipse

I noticed this in our sidebar SDO solar image and grabbed it. It has happened before, last year.

Missing sunspots solved by NASA?

News from NASA that they believe they have solved the mystery of the missing sunspots and why the solar minimum was so prolonged: Researchers Crack the Mystery of the Missing…

Sunspot group 1158 produces an X class solar flare

Solar expert Dr. Leif Svalgaard says the last X class flare was Dec 13th, 2006. The flare today is the first Solar Cycle 24 flare reaching X class level. See…

NASA's Hathaway revises the sunspot prediction down again

From the Marshall Space Flight Center, Dr. Hathaway’s page: Current prediction for the next sunspot cycle maximum gives a smoothed sunspot number maximum of about 58 in July of 2013.…

On the "Magnetic polar shifts cause massive global super storms" story

I’ve been avoiding this story (Magnetic polar shifts cause massive global super storms) for awhile, hoping it would simply die, but people keep asking me about it, and I see…

For the first time ever, we can image the sun in 360°

Latest image of the far side of the Sun based on high resolution STEREO data, taken on February 2, 2011 at 23:56 UT when there was still a small gap…