By Joseph D’Aleo ICECAP The sun has become more active in recent days with cycle 24 spots in middle latitudes. See sunspot group number 11019 for group of red spots.…
Category: Solar
The Interplanetary Magnetic Field: lowest point since 1913?
David Archibald writes to tell me that the IMF has hit “rock bottom” and may go lower still. Watching the IMF is a good indicator of the activity of the…
New Cycle 24 spots emerging
Michael Ronayne writes: To the right of the burned out pixel, a second Sunspot group, with two spots, is forming which can be seen in this image: The burned out…
Scientists Issue Unprecedented Forecast of Next Sunspot Cycle
This is an official NCAR News Release (National Center for Atmospheric Research) Apparently, they have solar forecasting techniques down to a “science”, as boldly demonstrated in this press release. –…
The 'Baby Grand' has arrived
No we aren’t talking pianos, but Grand Solar Minimums. Today a new milestone was reached. As you can see below, we’ve been leading up to it for a few years.…
Evidence of a Lunisolar Influence on Decadal and Bidecadal Oscillations In Globally Averaged Temperature Trends
Basil Copeland and Anthony Watts Image from NASA GSFC Many WUWT readers will remember that last year we presented evidence of what we thought was a “solar imprint” in globally…
Why the SWPC F10.7 radio flux graph is wrong
Leif Svalgaard writes: “Several people asked why I said that the SWPC F10.7 graph was ‘just wrong’. And I promised a follow up on that. Here it is.” Happy to…
The Solar Radio Microwave Flux
UPDATE: The SWPC press conference audio is now available, hear it here Shortly after SWPC dropped on their website their still invisible “press conference” ( I have yet to get…
Solar Scientist Ken Tapping: "No sign of the new cycle yet"
Ken Tapping: One year on into the minimum From John A’s solarscience.auditblogs.com I’ve just been in e-mail correspondance with Dr Kenneth Tapping, asking him to comment on the progress of…
Our Current Minimum is More Maunder than Dalton
Guest Post by David Archibald This is a plot of three year windows on the Maunder and Dalton Minimum and the current minimum: What it is showing is how the…
NOAA SWPC Solar Cycle 24 Prediction: "weakest since 1928"
The new cycle 24 solar forecast is hot off the press from noon today, published at 12:03 PM from the Space Weather Prediction Center. It looks like a peak of…
NOAA Space Weather Prediction Center – News Conference Friday
UPDATE: SEE THE UPDATED SWPC FORECAST HERE Leif Svalgaard writes: NOAA/SWPC will be releasing an update to the Solar Cycle 24 Prediction on Friday, May 8, 2009 at noon Eastern…
Sun blasts a CME, the question though: will we see a Cycle 24 spot?
From Spaceweather.com NASA’s STEREO-B spacecraft is monitoring an active region hidden behind the sun’s eastern limb. On May 5th, it produced an impressive coronal mass ejection (movie) and a burst…
NatGeo: Sun Oddly Quiet – Hints at Next "Little Ice Age"?
Excerpts printed below, see full story here (h/t to David Archibald) Anne Minard for National Geographic News May 4, 2009 A prolonged lull in solar activity has astrophysicists glued to…
Australian Antarctic Division: Can solar variability influence climate?
An interesting tidbit from the Australian Antarctic Division (h/t to Trevor Gunter) Scientists have long searched for linkages between solar variability and weather. The sun varies on a wide-range of…
See speck run
Another anemic solar cycle 23 sunspeck, could 19th century astronomers have seen it? From Spaceweather.com SUNSPOT 1016: A ring-shaped sunspot numbered 1016 has emerged near the sun’s equator. Its magnetic…
Examining SORCE data shows the Sun continues its slide toward somnolence
Guest post by Guillermo Gonzalez I recently happened upon the SORCE/TIM website and decided to look up the plot of the full total solar irradiance (TSI) dataset (http://lasp.colorado.edu/sorce/data/tsi_data.htm#plots) The SORCE…
A possible correlation between the Southern Oscillation Index and the Solar Ap Index
I was pointed to this graph by an email from WUWT reader Phil Ravenscroft and I’m reposting it here for discussion. While the correlation looks plausible, it seems almost too…
WUWT Poll: What should we call the current solar minimum?
Although we’ve been covering this quiet sun issue for over a year on WUWT, the light bulb seems to have gone on for mainstream media right about now. There is…
CBS' Charles Osgood on the Sun – and a surprising suggestion
Holy Cow! Charles Osgood, a skeptic? A QUIET SUN DOESN’T HAPPEN OVERNIGHT. excerpts: I know you’ve already got a lot to worry about as it is, but something rather odd…
Solar ISN mean dips below 1.00 –
While the sun still struggles to form cycle 24 spots like seen in this weak plage area (upper right) in today’s SOHO MDI and Magnetograms (shown below) Paul Stanko of…
Update: Sun and Ice
By Joseph D’Aleo, CCM The sun remains in a deep slumber. Today we are 15 days into April without a sunspot and with 603 sunspotless day this cycle minimum, 92…
The oceans as a calorimeter and solar amplification
For those who don’t know, a calorimeter is a device to measure heat capacity. There is an entire science called calorimetry devoted to this measurement. Scottish physician and scientist Joseph…
Archibald on sea level rise and solar cycles
Guest post by David Archibald Anthony’s post of the Jason data reminded me that I had produced this graph: It is derived from a post on Climate Audit of Holgate’s…
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