Tag Archives: sun

Leif Svalgaard at AGU on the Current Solar Cycle: ‘None of us alive have ever seen such a weak cycle’

WUWT’s resident solar expert Dr. Leif Svalgaard (and others) says  ‘None of us alive have ever seen such a weak cycle’  and the panel he was on talk about the current state of our solar cycle at the AGU Fall … Continue reading

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Posted in AGU 2013, Solar | Tagged , , , , , | 201 Comments

Study predicts the sun is headed for a Dalton-like solar minimum around 2050

Method 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 … Continue reading

Posted in Solar | Tagged , , , , , , , | 268 Comments

Spectacular video: Comet ISON imaged from a Langrange point in space

NASA’s Solar Terrestrial Relations Observatory, or STEREO, is monitoring Comet ISON as it approaches the sun. NASA’s twin Solar Terrestrial Relations Observatory (STEREO) spacecraft are parked in Langrange zones, known as the L4 and L5 Lagrangian points, each centered about … Continue reading

Posted in Space | Tagged , , , , , , , , | 70 Comments

New paper suggests the sun’s magnetic fields defines climate over the long term

Story submitted by Cornelis de Jager (past president ICSU;past pres. COSPAR) In a recent publication entitled Terrestrial ground temperature variation in relation to solar magnetic variability, including the present Schwabe cycle, Cornelis (Kees) de Jager and Hans Nieuwenhuijzen, from the … Continue reading

Posted in Paleoclimatology, Solar | Tagged , , | 144 Comments

70-year-old conundrum of the hot solar corona may be solved

From Columbia University Astronomers find clues to decades-long coronal heating mystery Drs. Michael Hahn and Daniel Wolf Savin, research scientists at Columbia University’s Astrophysics Laboratory in New York, NY, found evidence that magnetic waves in a polar coronal hole contain … Continue reading

Posted in Solar | Tagged , , | 175 Comments

September doldrums – solar slump continues

While many science related government agencies are shut down (NASA GISS is deemed ‘non-essential’ for example) some remain open due to statements like this: Due to the Federal Government shutdown, NOAA.gov and most associated web sites are unavailable. However, because … Continue reading

Posted in Solar | Tagged , , , , , , , | 233 Comments

The sun is about to have a flipping magnetic field reversal

We’ve been watching the progress on the WUWT solar reference page in this plot from Dr. Leif Svalgaard: Solar Polar Fields – Mt. Wilson and Wilcox Combined -1966 to Present Leif Svalgaard – Click the pic to view at source … Continue reading

Posted in Science, Solar, Space | Tagged , , , , , | 216 Comments

Newsbytes: Sun’s Bizarre Activity May Trigger Another Little Ice Age (Or Not)

From the GWPF and Dr. Benny Peiser “Weakest Solar Cycle In Almost 200 Years” The sun is acting bizarrely and scientists have no idea why. Solar activity is in gradual decline, a change from the norm which in the past … Continue reading

Posted in Newsbytes | Tagged , , , , , , , | 329 Comments

Solar gains in Spain may cause warmists pain

From the FECYT – Spanish Foundation for Science and Technology via Eurekalert comes this interesting note about solar forcing. It seems there’s a 2.3% per decade increase in solar radiation observed in Spain. Surely this is more than enough to … Continue reading

Posted in clouds, Solar | Tagged , , , , , , , | 298 Comments

CET cooling in line with solar model prediction

Yesterday, WUWT carried the headline: Coldest Spring In England Since 1891.  This essay offers what could be an explanation for it. Judge for yourself. – Anthony Guest essay by David Archibald Back in 2006, I published my first paper in … Continue reading

Posted in Solar | Tagged , , , , , , , | 93 Comments

Sun produces four X-class flares in two days

Above: note the four separate events in the last two days – from the WUWT Solar Page (From NASA’s Spaceweather.com) When the week began, the sun hadn’t unleashed an X-flare all year long. In only two days, sunspot AR1748 has … Continue reading

Posted in solar flare | Tagged , , , , , , , | 65 Comments

What We Don’t Know

Guest Post by Willis Eschenbach Back in August 2010, WUWT ran an article wherein it was claimed that variations in the sun changed the rate of radioactive decay. This, of course, flew in the face of years and years of … Continue reading

Posted in Radiation, Science | Tagged , , , | 198 Comments

Solar cycle update – sun’s magnetic activity still in a slump

Despite some small upticks on sunspot and 10.7cm radio activity, the magentic activity of the sun is still bumping along the bottom. A slight uptick was seen in sunspot count.  A similar slight uptick occurred in radio flux.

Posted in Solar | Tagged , , , , , , | 137 Comments

Three years of the Sun in three minutes

Spectacular three year time lapse video from the Solar Dynamics Observatory In the three years since it first provided images of the sun in the spring of 2010, NASA’s Solar Dynamics Observatory (SDO) has had virtually unbroken coverage of the … Continue reading

Posted in Solar | Tagged , , , , | 38 Comments

Current solar cycle data seems to be past the peak

The NOAA Space Weather Prediction Center has updated their monthly graph set and it appears as if the slow downside from what looks like the solar max for cycle 24. Though, it is still possible we could see a second … Continue reading

Posted in Solar | Tagged , , | 239 Comments

How long to the 24/25 solar minimum?

Guest post by David Archibald Climate has real world consequences, and those operating in fields that will be affected by changing climate bring a different perspective to the problem of predicting what will happen. Bill Fordham, advising the grain industry … Continue reading

Posted in Science, Solar | Tagged , , , , , , , | 81 Comments

Solar Update February 2013

Guest post by David Archibald Solar Cycle 24 has already seen five consecutive colder winters. This is a link to a post about a German meteorologist who has seen the light. Eventually people will work their way back to where … Continue reading

Posted in Science, Solar | Tagged , , , | 177 Comments

Hilarious climate science fail by the warmists at GRIST (and now CNN)

Jeez, there’s no excuse for this spectacular failure to understand one of most basic principles about the Earth’s weather and climate. From: How to respond to people who say the cold weather disproves global warming | Grist This helpful diagram … Continue reading

Posted in Climate Craziness of the Week, Ridiculae | Tagged , , , , | 90 Comments

NASA on the sun: ‘…tiny variations can have a significant effect on terrestrial climate.”

Researchers have considered the possibility that the sun plays a role in global warming. From NASA GSFC:  Solar Variability and Terrestrial Climate In the galactic scheme of things, the Sun is a remarkably constant star.  While some stars exhibit dramatic … Continue reading

Posted in Solar, Spaceweather | Tagged , , , , , , , | 320 Comments

Our current solar cycle 24 – still in a slump – solar max reached?

Have we hit solar max? NOAA’s SWPC recently updated their solar metrics graphs, and it seems to me like we may have topped out for solar cycle 24. There doesn’t seem to be any evidence of resurgence in any of … Continue reading

Posted in Science, Solar | Tagged , , , | 189 Comments

Science spin of the worst kind: National Geographic’s ‘When The Earth Stops Spinning’

Yet another reason why I no longer subscribe to National Geographic Turned on my TV today, and this popped up, so of course I had to write about it. This is stupidity on steroids, packaged as psuedo-scientific claptrap entertainment for … Continue reading

Posted in Alarmism, Bad science, Ridiculae | Tagged , , , , | 149 Comments

Solar Activity – Past, Present, Future

Essay/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 importance and relevance. In his famous paper on the … Continue reading

Posted in Science, Solar | Tagged , , , , , , , | 207 Comments

A simple resolution to the ‘faint young sun’ paradox?

A faster rotating early-Earth may have compensated for reduced Sun output Guest post submitted by Ian Schumacher The ‘faint young sun’ paradox states that according to star models, billions of years ago the Sun would have only been about 70% … Continue reading

Posted in Earth, Solar | Tagged , , , | 134 Comments

Solar corona revealed in super-high-definition

From the Harvard-Smithsonian Center for Astrophysics Today, astronomers are releasing the highest-resolution images ever taken of the Sun’s corona, or million-degree outer atmosphere, in an extreme-ultraviolet wavelength of light. The 16-megapixel images were captured by NASA’s High Resolution Coronal Imager, … Continue reading

Posted in Solar | Tagged , , , , , , , | 8 Comments

Aurora Borealis induced sounds confirmed – measured at 70m AGL

From Aalto University , something I’ve always wondered about but could never hear myself. They have a video of aurora, complete with sounds which follows below. I wonder if this isn’t something akin to thunder, where magnetic or static field … Continue reading

Posted in Curious things | Tagged , , , , , , , | 45 Comments

Weak solar convection – approximately 100 times slower than scientists had previously projected

From New York University:  Researchers create ‘MRI’ of the sun’s interior motions A team of scientists has created an “MRI” of the Sun’s interior plasma motions, shedding light on how it transfers heat from its deep interior to its surface. … Continue reading

Posted in Science, Solar | Tagged , , , , , , , , , | 268 Comments

Another regime change indication – this time in solar data

Note: See also the 1997 regime change in global climate data by the same method, here I’m happy to report that something I recognized and reported back in 2008 related to solar data has been independently confirmed by another source, … Continue reading

Posted in Science, Solar | Tagged , , , , | 107 Comments

The Sun has changed its character

Guest post by David Archibald A number of solar parameters are weak, and none is weaker than the Ap Index: Figure 1: Ap Index 1932 to 2026 Figure 1 shows the Ap Index from 1932 with a projection to the … Continue reading

Posted in Solar, Spaceweather | Tagged , , , , , , , | 176 Comments

A quiet cue ball sun

Source: 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.

Posted in Astronomy | Tagged , , , , , , , | 110 Comments

Transit of Venus as seen in California

My lovely wife is snapping photos already, as it has just started. Here’s a sample.

Posted in Astronomy | Tagged , , , , , , | 87 Comments

Premonitions of the Fall (in temperature)

Guest post by David Archibald The first prediction of the current climatic minimum was made by Hubbert Lamb in 1970 in a report (Weiss and Lamb) for the German Navy. He did it by making a reconstructed record of the … Continue reading

Posted in Forecasting, Paleoclimatology, Solar | Tagged , , , , , | 198 Comments

Annular Solar Eclipse 2012 – data and images

I’ve been asked to provide some information on the upcoming eclipse Sunday, so here it is. I’ll actually miss the first part of the Heartland conference (Sunday night and Monday) due to the promise to my children we’d see this … Continue reading

Posted in Astronomy, Solar | Tagged , , , , , , , | 57 Comments

Another day, another Central Asian precipitation study finds a link to solar activity

From Sun and Liu 2012: all of the deep solar minima of the last millennium (Oort, Wolf, Spörer, Maunder and Dalton) correspond to periods of drought in the Qilian Mountains of the northeastern Tibetan Plateau according to this tree-ring study. … Continue reading

Posted in Paleoclimatology, Proxies, Solar | Tagged , , , , , , , | 56 Comments

Sunspot AR1476 takes aim on Earth

From Spaceweather.com NOAA forecasters estimate a 75% chance of M-class solar flares and a 20% chance of X-flares during the next 24 hours. Any eruptions are likely to be geoeffective because the source, sunspot AR1476, is directly facing our planet. … Continue reading

Posted in Solar, solar flare | Tagged , , , , , , , | 48 Comments

Solar cycle update for April – sun still slumping

Got 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 in about 100 years. “. … Continue reading

Posted in Solar | Tagged , , , , , , , | 77 Comments