More surfacestations project vindication: Strong UHI temperature biases confirmed in USA

WUWT readers may recall that NOAA did an experiment at Oak Ridge National Laboratory that vindicated my findings about the effects of local urbanization on surface temperature measurements. The urban…

NASA satellite offers urban carbon dioxide insights

University of Utah A new NASA/university study of carbon dioxide emissions for 20 major cities around the world provides the first direct, satellite-based evidence that as a city’s population density…

Does your weather station get the wind? How station siting compromises temperature measurements via wind issues

Guest essay by Bob Fernley-Jones Well Melbourne (Oz) sure does, (and we are the butt of a few intercity jokes, a polite one being; we can have “four seasons all…

Global Warming = Climate Change

Guest Essay by Ed Hoskins This short essay questions the actions to combat Global Warming / Climate Change from three points of view: The Temperature Context Man-made CO2 emissions 1965…

Hot weather and climate change – a mountain from a molehill?

Guest essay by Steve Goreham Originally published in The Washington Times On Sunday, Death Valley temperatures reached 129oF, a new June record high for the United States, according to the…

The Chinese demonstrate that UHI has a real and essential effect on regional climate change

Study finds that urbanization has considerable influence on the regional climate change, they even blame proximity to air-conditioning as a factor. Press release from Science China Press (full paper follows)…

Berkeley Earth, Very Rural and Not

Jet exhaust as climate forcing Guest Post by Willis Eschenbach The good folks over at the Berkeley Earth Surface Temperature project have published their paper about urban heat islands. It’s…

California to quantify UHI statewide

From the if we can quantify it we’ll figure out a way to tax it department comes this short press release (h/t Kakatoa) The Governor’s Office of Planning and Research…

Preliminary comments on Hausfather et al 2013

There’s a new paper out today, highlighted at RealClimate by Hausfather et al titled Quantifying the Effect of Urbanization on U.S. Historical Climatology Network Temperature Records and published (in press)…

Waste heat – a bigger climate effect than once thought

Dr. Roy Spencer recently opined about this issue (which is different from UHI) in: Waste Heat as a Contributor to Observed Warming If we divide that by the surface area of…

Station bias – an old problem

A number of readers have commented about the story from Sunday about NOAA’s experiment at Oak Ridge Laboratory to determine the warming effects of siting suggesting that the experiment was…

Unique paper looks for natural factors in station data–shows significant probabilities of natural signal

Since we have been paying a lot of attention to the surface record given the recent revelations surrounding the adjustments to data and NOAA’s release of the State of the…

Measuring UHI on a bike produces a new paper

While NCDC’s Dr. Thomas Peterson tries to ignore UHI, from Hans Von Storch at Die Klimazwiebel (h/t to Jos de Laat) we learn that many other people are actively measuring…

PBS airs special on green rooftops, cites NCDC's Thomas Peterson, who fumbles the UHI ball

From PBS last night: From Rooftop to Alleyway, Chicago Fights Extreme Urban Heat With Greener Ideas One of Chicago’s most beautiful and hidden gardens is located on top of City…

A new paper showing how UHI and energy consumption are linked to long-term temperature change in China

Dr. Roger Pielke Sr. highlighted this major new paper in JGR yesterday, I consider it important as it relates to the works I’m doing on station siting. The key points…

Law of unintended consequences bites the 'white roof UHI solution' – causes reduced rainfall

From Arizona State University Researchers emphasize evaluation of tradeoffs in battling urban heat island Urbanization will increase average temperatures in Arizona’s Sun Corridor and white roofs can combat that, but…

Recent paper demonstrates relationship between temperature and population density in the UHI of New Delhi

This gives credence to Dr. Roy Spencer’s population adjusted ISH surface temperature data for the USA Impact of population density on the surface temperature and micro-climate of Delhi Javed Mallick1…

Never before published paper on UHI and siting – Goodridge 1987

Plus answers to yesterday’s Fun puzzle: Name these official stations. Given that California Governor Jerry Brown has recently setup a website at the governor’s office basically telling skeptics to “shut…

Little Ice Age Thermometers- Historic variations in temperatures Part 3 -BEST confirms extended period of warming.

Guest post by Tony Brown This short paper is a preliminary examination of BEST data to 1753, as compared to the Central England Temperature Record (CET) to 1660 (instrumental record)…

Weekly Climate and Energy News Roundup

Brought to You by SEPP (www.SEPP.org) The Science and Environmental Policy Project ################################################### Quote of the Week: Fanaticism consists in redoubling your effort when you have forgotten your aim. –…

Important New Paper on the Nocturnal Boundary Layer, Mixing, and Radiative Forcing as it applies to GHCN weather stations

From Dr. Roger Pielke Sr. comes word of an important new paper that shows how the air near the ground (boundary layer) is highly affected by sensitive nighttime dynamics, which…

The folly of blaming the Eastern U.S. heat wave on global warming

A picture is worth a thousand words:

Impact on temperature measurement: Cities expand by area equal to France, Germany and Spain combined in less than 20 years

Dr. Roger Pielke Sr. points out on his weblog this interesting press release from IGBP (from March 2012) that we all apparently missed until now. One of the points worth…

The UHI's of Texas are upon you

Joe D’Aleo suggested earlier today that I take a look at some of the data from NCDC’s web page called “US climate at a glance“. This page allows comparisons of…