Monthly Archives: August 2009

Sunspotless 30 day stretch possible in the next day

Posted on August 9, 2009 by

At the risk of triggering a new sunspot by talking about it, I’ll cautiously mention that by GMT time midnight tomorrow, August 10th, we will possibly have a 30 day stretch of no sunspots at a time when cycle 24 … Continue reading →

Posted in solar | 184 Comments

How Sensitive is the Earth’s Climate?

Posted on August 8, 2009 by

Guest Post By Steve Fitzpatrick Introduction Projections of climate warming from global circulation models (GCM’s) are based on high sensitivity for the Earth’s climate to radiative forcing from well mixed greenhouse gases (WMGG’s).  This high sensitivity depends mainly on three … Continue reading →

Posted in earth, modeling | 334 Comments

Multiple Wrongs Don’t Make A Right on ENSO Impacts

Posted on August 7, 2009 by

Guest Post by Bob Tisdale Multiple Wrongs Don’t Make A Right, Especially When It Comes To Determining The Impacts Of ENSO The 2009 Foster et al paper (In Press) “Comment on ‘Influence of the Southern Oscillation on tropospheric temperature’ by … Continue reading →

Posted in ENSO | 127 Comments

Long debate ended over cause, demise of ice ages – solar and earth wobble – CO2 not main driver

Posted on August 6, 2009 by

From an Oregon State University Media Release (h/t to Leif Svalgaard) Long debate ended over cause, demise of ice ages – may also help predict future The above image shows how much the Earth’s orbit can vary in shape. This … Continue reading →

Posted in climate_change, earth, Science, solar | 538 Comments

The climate science credit crunch

Posted on August 6, 2009 by

Steve McIntyre at Climate Audit has a very interesting discussion on the giving of credit. Update: Roger Pielke Jr. blogs on this in rather frank terms: The short story is that a professor from Ohio State found an error in … Continue reading →

Posted in Science | 56 Comments

UAH global temperature anomaly up significantly this month

Posted on August 5, 2009 by

Hot off the press from Dr. Roy Spencer. After being essentially zero last month, we have a jump to .410°C in July. This was not unexpected, as a El Nino has been developing. July 2009 Global Temperature Update: +0.41 deg. … Continue reading →

Posted in Uncategorized | 282 Comments

A note on the SOHO MDI outage

Posted on August 5, 2009 by

The sun is blank–no sunspots. Several WUWT readers have inquired about why the SOHO MDI and magnetogram image has not been updated in several days. The last update was on July 28th. Here is the reason:

Posted in solar | 64 Comments

A link between the Sun, cosmic rays, aerosols, and liquid-water clouds appears to exist on a global scale…

Posted on August 4, 2009 by

Svensmark has a new paper and it is a doozy:  Cosmic ray decreases affect atmospheric aerosols and clouds (full text PDF). The major conclusion: “A link between the Sun, cosmic rays, aerosols, and liquid-water clouds appears to exist on a … Continue reading →

Posted in aerosols, climate_change, solar | 163 Comments

McCain realization: “[The Waxman-Markey] 1,400-page bill is a farce.

Posted on August 4, 2009 by

McCain Echoes Hansen: Waxman-Markey is a ‘Farce’ (The Civil War widens among climate alarmists) by Robert Bradley MasterResource August 3, 2009 “[The Waxman-Markey] 1,400-page bill is a farce. They bought every industry off—steel mills, agriculture, utilities…. I would not only … Continue reading →

Posted in climate_change, politics | 98 Comments

Scafetta: Benestad and Schmidt’s calculations are “robustly” flawed.

Posted on August 4, 2009 by

Nicola Scafetta Comments on “Solar Trends And Global Warming” by Benestad and Schmidt From Climate Science — Roger Pielke Sr. On July 22 2009 I posted on the new paper on solar forcing by Lean and Rind 2009 (see). In that … Continue reading →

Posted in Science, solar | 218 Comments

A simple analogy on climate modeling – looking for the red spot

Posted on August 4, 2009 by

This simple visual analogy that Ron House has designed can help readers not familiar with a contentious atmospheric modeling issue get a primer on the it. While not a perfect analogy (and by definition analogies often aren’t) it does help … Continue reading →

Posted in forecasting, modeling | 198 Comments

Cherry Picking Climate Catastrophes: Response to Conor Clarke

Posted on August 3, 2009 by

Cherry Picking Climate Catastrophes: Response to Conor Clarke, Part II WUWT Guest Post by Indur Goklany Conor Clarke at The Atlantic blog, raised several issues with my study, “What to Do About Climate Change,” that Cato published last year. One … Continue reading →

Posted in climate_change | 214 Comments

Update on Arctic sea ice melt – “Ice pockets choking Northern Passage”

Posted on August 3, 2009 by

First let’s get a look at the current NSIDC graph: and now the JAXA graph:

Posted in Arctic, sea ice | 143 Comments

Hadley CRU to merge surface and satellite climate data in new program

Posted on August 2, 2009 by

I was poking around the Hadley site and found this interesting announcement. It seems Hadley CRU / Dr. Phil Jones is looking for a candidate to do this project, with the goal of (as I read it) creating some sort … Continue reading →

Posted in climate data, Science | 76 Comments

Roundup of some interesting July weather records

Posted on August 2, 2009 by

See more maps here Coldest July ever for Grand Rapids, Michigan (Grand Rapids Weather Examiner, August 1, 2009) http://www.examiner.com/x-16403-Grand-Rapids-Weather-Examiner~y2009m8d1-A-new-record-by-01 Coldest July on Record for Huntington, West Virginia (WOWK-TV, August 1,  2009) http://wowktv.com/story.cfm?func=viewstory&storyid=63960 Coolest July Ever for Fort Wayne, Indiana (Indiana’s … Continue reading →

Posted in climate data, weather | 113 Comments

Publicly available data being purged at UK’s Hadley Climate Centre

Posted on August 1, 2009 by

While I’ve been getting lots of attention for “take down” of a single file that infringed on my copyright, another, much more broad and serious event is unfolding in the UK at the Hadley Climate Centre. It appears that the … Continue reading →

Posted in climate data, politics, ridiculae | 108 Comments

Some speculation that solar cycle 25 has already begun

Posted on August 1, 2009 by

Leif Svalgaard writes: Some speculation that solar cycle 25 has already begun: http://xrt.cfa.harvard.edu/resources/pubs/savc0707.pdf Graph source: NASA News This would be stunning, because it suggests that the sun has skipped a solar cycle (#24) . Researchers, three from the Harvard-Smithsonian Center … Continue reading →

Posted in Science, solar | 222 Comments