Tag Archives: Geophysical Research Letters

Models say a future shift of western USA to “drier stormier”

Posted on March 30, 2012 by

More of the “extreme events” meme… From the AGU weekly highlights Regional models expect drier, stormier western United States Key Points Statistically significant increases in western US future extreme winter precipitation Eight dynamically downscaled GCM simulations show generalized agreement Spatial … Continue reading →

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Posted in Uncategorized | Tagged , , , , , , , | 107 Comments

Climate Science From the Onion?

Posted on March 21, 2012 by

Guest post by Dr. Patrick Michaels Three items appeared last week that make me wonder if The Onion is surreptitiously acquiring science journals and trade publications. Here’s what one, “ScienceNordic” says it does on its home page: Our team of … Continue reading →

Posted in Uncategorized | Tagged , , , , , , , | 87 Comments

Geomagnetic data reveal unusual nature of recent solar minimum

Posted on March 19, 2012 by

From the American Geophysical Union weekly highlights: Key Points Minimum 23-24 showed recurrence intervals of 9.0 and 6.7-d Historical geomagnetic activity data show that minimum 23-24 was unusual The heliosphere during minimum 23-24 had unusual sectorial structure Since the mid-1800s, … Continue reading →

Posted in Solar | Tagged , , , , | 68 Comments

Climate modeling turkey shoot, western style

Posted on March 12, 2012 by

Western U.S. Precipitation Extremes—How Did This Turkey Get Published? By Dr. Patrick Michaels When it comes to changes in future precipitation across the United States, climate models projections are all over the map. In other words, they provide no useful … Continue reading →

Posted in Modeling | Tagged , , , , , , , , | 53 Comments

Shollenberger’s Technical Review of Mann’s recent book

Posted on March 11, 2012 by

Readers may recall this posting A detailed review of Mann’s book: The Hockey Stick and the Climate Wars as it relates to the Wegman report to Congress. This post today is a continuation of that review, with more in-depth technical … Continue reading →

Posted in Book Review, Michael E. Mann | Tagged , , , , , | 218 Comments

Mann and coining the AMO and claims of credit

Posted on March 8, 2012 by

Junkscience.com writes: Did Michael Mann falsely claim to coin a famous climate term actually coined by someone else? In Mann’s new book “The Hockey Stick and Climate Wars”, Mann writes: The multidecadal oscillation I’d helped discover would nonethless become a … Continue reading →

Posted in AMO, Michael E. Mann | Tagged , , , , , , , , | 64 Comments

GISS finally concedes a significant role for the sun in climate

Posted on February 29, 2012 by

UPDATE: The paper itself is available below. There is a new  paper published yesterday in the journal Geophysical Research Letters from NASA GISS/Columbia University and Brown University titled  Hydroclimate of the northeastern United States is highly sensitive to solar forcing … Continue reading →

Posted in Current News, Rainfall | Tagged , , , , , , , | 116 Comments

Declining global average cloud height: “A significant measure of negative feedback to global warming”

Posted on February 9, 2012 by

Guest post by Dr. Pat Michaels – reposted (with permission) from World Climate Report A new paper just published in Geophysical Research Letters by Roger Davies and Mathew Molloy of the University of Auckland finds that over the past decade … Continue reading →

Posted in Climate sensitivity | Tagged , , , , , , , | 99 Comments

Greenland’s pronounced glacier retreat not irreversible

Posted on February 1, 2012 by

Via the AGU weekly highlights: In recent decades, the combined forces of climate warming and short-term variability have forced the massive glaciers that blanket Greenland into retreat, with some scientists worrying that deglaciation could become irreversible. The short history of … Continue reading →

Posted in Glaciers | Tagged , , , , , , , | 47 Comments

New paper speculates on volcanoes during the Little Ice Age

Posted on January 30, 2012 by

From NCAR/UCAR, they’re still trying to stamp out solar influence as a potential cause of the Little Ice Age. One of the things I wonder about is that during low sunspot activity, does the reduced solar-magnetic influence have any effect … Continue reading →

Posted in Paleoclimatology, Vulcanism | Tagged , , , , , , , | 287 Comments

Death Valley’s Big Bang Theory

Posted on January 24, 2012 by

From the The Earth Institute at Columbia University Waiting for Death Valley’s Big Bang A volcanic explosion crater may have future potential In California’s Death Valley, death is looking just a bit closer. Geologists have determined that the half-mile-wide Ubehebe … Continue reading →

Posted in Vulcanism | Tagged , , , , , , , | 47 Comments

“We need more hurricanes to save the coral reefs”

Posted on December 30, 2011 by

Above: SST heat loss from Hurricane Irene The title is sarcasm, but it does present an interesting quandary for alarmists. What’s more acceptable – hurricanes and the loss of life and property they bring, or loss of coral reef systems? … Continue reading →

Posted in hurricanes, Sea Surface Temperature | Tagged , , , , , , , | 39 Comments

Study: Getting the S out of jet fuel may cool the climate

Posted on December 14, 2011 by

This study from Yale University  seems contradictory to what we know about aerosols. Generally more aerosols like SO2 cool the climate, but in this case they are saying “it’s offset by the cooling effect of nitrate that forms from nitrogen … Continue reading →

Posted in Aerosols | Tagged , , , , , , , | 71 Comments

Possible earthquake early warning signal discovered

Posted on October 3, 2011 by

From the AGU: An atmospheric precursor to the recent Japan megaquake Most scientists believe that earthquakes are inherently unpredictable, and reports of various kinds of earthquake precursor signals have been difficult to verify. However, in a new study, Heki reports … Continue reading →

Posted in Earthquakes | Tagged , , , , | 81 Comments

Getting GRLed

Posted on September 27, 2011 by

Dr. Roger Pielke Jr. recently submitted this paper to Geophysical Research Letters (GRL): A homogeneous database of global landfalling tropical cyclones Jessica Weinkle* and Roger Pielke, Jr. Center for Science and Technology Policy Research, University of Colorado, 1333 Grandview Ave, … Continue reading →

Posted in Uncategorized | Tagged , , | 260 Comments

Bill Illis: Clouds account for most of the variability in net radiation at the Top of the Atmosphere

Posted on September 11, 2011 by

While we are marveling at the recent revelation out of Serbia that shows a connection between cosmic rays, clouds and temperature, our own volunteer moderator, Roger (Tallbloke) noticed and collated some comments from Bill Illis which are well worth repeating … Continue reading →

Posted in Spencer-Braswell and Dessler | Tagged , , | 108 Comments

What do sea measurements reveal about Earth’s temperature trend?

Posted on July 31, 2011 by

From the AGU highlights Despite the fact that average temperatures on land have been increasing from year to year, globally averaged surface temperatures from 2000 to 2010 have shown only moderate warming. This is because sea surface temperatures over the … Continue reading →

Posted in Sea level | Tagged , , , , | 89 Comments

Overpeck says 3 feet, real world sea level data says no way

Posted on July 18, 2011 by

From high and dry  University of Arizona, home of the world famous parking lot USHCN weather station, we have word via Eurekalert that a simulation says it will be bad as “sea levels are expected to rise by up to … Continue reading →

Posted in Sea level | Tagged , , , | 109 Comments

Ionospheric airglow signature of tsunami waves confirmed

Posted on July 14, 2011 by

From the University of Illinois, something quite interesting, long speculated on, now confirmed. Tsunami airglow signature could lead to early detection system Researchers at the University of Illinois have become the first to record an airglow signature in the upper … Continue reading →

Posted in Uncategorized | Tagged , | 53 Comments

Contrails – itty bitty icy forcing

Posted on June 23, 2011 by

From the American Geophysical Union weekly highlights: Estimating climate effects of contrails Condensation trails, or so-called contrails, formed by freezing of ice crystals in the exhaust from aircraft jet engines could affect climate. Like natural cirrus clouds, contrails change atmospheric … Continue reading →

Posted in clouds, Weather | Tagged , , | 110 Comments