Category Archives: UHI

The UHI’s of Texas are upon you

Posted on June 28, 2012 by

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 the actual data not anomalies used in the NCDC USHCN … Continue reading →

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Posted in Climate data, UHI | Tagged , , , | 105 Comments

UAH continental US Temperature for May 2012: +1.26 deg. C

Posted on June 8, 2012 by

by Roy W. Spencer, Ph. D. The U.S. lower-48 surface temperature anomaly from my population density-adjusted (PDAT) dataset was 1.26 deg. C above the 1973-2012 average for May 2012, with a 1973-2012 linear warming trend of +0.14 deg. C/decade (click … Continue reading →

Posted in Climate data, UHI | 38 Comments

Trees do 8 times better in the New York City Urban Heat Island

Posted on April 24, 2012 by

From the The Earth Institute at Columbia University Do urban ‘heat islands’ hint at trees of future? Common oaks get a boost in New York’s Central Park City streets can be mean, but somewhere near Brooklyn, a tree grows far … Continue reading →

Posted in UHI | Tagged , , , , , , , , | 76 Comments

City UHI makes spring bloom earlier

Posted on March 9, 2012 by

From the University of Maryland Center for Environmental Science, somebody finally gets it. We’ve changed our local climates significantly, and the plants have figured this out long ago. Mid-Atlantic suburbs can expect an early spring thanks to the heat of … Continue reading →

Posted in UHI | Tagged , , , , , , , | 58 Comments

The Earth has chills and fever, and spots, or something

Posted on March 7, 2012 by

WUWT Readers may remember in 2006 Al Gore announcing on national television one morning that: The earth has a fever… He of course was pushing his book, An Inconvenient Truth as the cure. Now, almost six years later, other symptoms … Continue reading →

Posted in Al Gore, Climate data, Humor, Satire, UHI | Tagged , , , , , , , , , | 95 Comments

Crowdsourced Climate Complexity – Compiling the WUWT Potential Climatic Variables Reference Page

Posted on February 19, 2012 by

By WUWT regular “Just The Facts” With the help of an array of WUWT reader comments, which began on this thread on January, 15th 2011, and grew on January 22nd, 2011, February 10th, 2011, February 28th, 2011, June 30th, 2011 … Continue reading →

Posted in AMO, Announcements, Antarctic, Arctic, Carbon dioxide, Carbon sequestration, Citizen science, Climate data, clouds, Cosmic rays, dust storms, Earth, Education, Energy, ENSO, Environment, feedbacks, flooding, Forecasting, geothermal energy, Global warming, hurricanes, Land use land cover change, lightning, measurement, Methane, Modeling, Oceans, PDO, Science, Sea ice, snowfall, Temperature, tornadoes, UHI, Weather | Tagged , , , , , , , , | 132 Comments

New paper and stunning video from the Space Station – UHI much?

Posted on February 7, 2012 by

Professor Ross McKitrick has just released a new paper on UHI, after reading it, it reminds me of this video from the space station. Weather stations exist in the points of light that define humanity at night, even in rural … Continue reading →

Posted in UHI | Tagged , , , , , , , | 69 Comments

UHI in South Korea – responsible for over half of the warming

Posted on December 29, 2011 by

This new study published in  the Journal of Atmospheric Environment quantifies the different components of warming there, with UHI making up over half of the total warming: On average, the total temperature increase over South Korea was about 1.37 °C; … Continue reading →

Posted in Climate data, UHI | Tagged , , , , , , , | 73 Comments

The Impact of Urbanization on Land Temperature Trends

Posted on December 5, 2011 by

by Zeke Hausfather , Steven Mosher, Matthew Menne , Claude Williams , and Nick Stokes [Note: this is an AGU poster displayed at the annual meeting, available here as a PDF. I’ve converted it to plain text and images for … Continue reading →

Posted in GHCN, UHI, Weather_stations | 134 Comments

Climategate 2.0: Phil Jones and Tom Wigley – calling a scientist “the jerk” over his UHI discoveries in California

Posted on November 22, 2011 by

I’ve not had time to read through all these emails, but this one really, really Stick in my craw. Dr. Phil Jones and Dr. Tom Wigley respond to this graph published in BAMS in 1996: This is from Goodridge 1996 … Continue reading →

Posted in Climategate, UHI | Tagged , , , , , , , | 47 Comments

Pielke Sr. on a new paper discussing urban climate issues

Posted on September 21, 2011 by

New Paper “Climatic Trends In Major U.S. Urban Areas, 1950–2009″ By Mishra and Lettenmaier By Dr. Roger Pielke Senior There is a new paper Mishra, V., and D. P. Lettenmaier (2011), Climatic trends in major U.S. urban areas, 1950–2009, Geophys. Res. … Continue reading →

Posted in UHI | Tagged , , , , | 61 Comments

New paper “Climatic trends in major U.S. urban areas” quantifies the UHI effect and the impact on climate trends

Posted on August 16, 2011 by

There’s a new paper which quantifies the effects of the Urban Heat Island and opines on the effect of urban areas on multi-decadal surface temperature trends. It was just published yesterday in Geophysical Research Letters and is quite interesting and … Continue reading →

Posted in Climate data, Temperature, UHI, Weather_stations | 47 Comments

New paper: UHI, alive and well in China

Posted on July 28, 2011 by

JOURNAL OF GEOPHYSICAL RESEARCH, VOL. 116, D14113, 12 PP., 2011 doi:10.1029/2010JD015452 Observed surface warming induced by urbanization in east China Key Points The rapid urbanization has significant impacts on temperature over east China A new method was developed to dynamically … Continue reading →

Posted in UHI | Tagged , , , | 53 Comments

UHI, this is London

Posted on April 2, 2011 by

Since BEST claims they will work to take UHI into consideration, it seems worthwhile to highlight this new paper. Guess who’s a co-author? Phil Jones of UEA’s CRU. Image above from Arizona State, Center for Environmental Science Applications (CESA). From … Continue reading →

Posted in UHI | Tagged , , , , | 82 Comments

Here, let me fix that headline for you

Posted on March 29, 2011 by

Deadly collision? Really? This must be before they remove all the automobiles from London per the recent edict from the EU/EC. The author must have suffered through too many “BBQ summer” heat waves in the London tube. Here’s more:

Posted in Government idiocy, media, UHI | Tagged , , , | 68 Comments

3% of Earth’s landmass is now urbanized

Posted on December 23, 2010 by

This study, from 2005, is not one I’ve covered here before, but I thought it was relevant to have a look at as a logical followup to the recent announcement from NASA at AGU that satellites have identified strong UHI … Continue reading →

Posted in UHI | Tagged , , , , | 55 Comments

UAH and UHI

Posted on December 16, 2010 by

Note: clearly satellites can see urban heat, as demonstrated by this recent paper unveiled at the 2010 AGU meeting by NASA. See: Satellites Image the Urban Heat Islands in the Northeast. It can also be demonstrated that the UHI biases the … Continue reading →

Posted in Climate data, Land use land cover change, UHI | Tagged , , , , , , , | 155 Comments

Satellites Image the Urban Heat Islands in the Northeast

Posted on December 14, 2010 by

Gee where have we seen something like this before? Dads/Moms and Grandparents: if you’d like your children/grandchildren to be able to do something on UHI for the spring science fair, here’s an easy to do idea. – Anthony From Science … Continue reading →

Posted in UHI | Tagged , , , , | 164 Comments

Phil Jones and the Chinese weather station corruption

Posted on November 7, 2010 by

WUWT readers may recall the bizarre saga of Douglas Keenan’s attempt to bring the research data of CRU’s Dr. Phil Jones and SUNY’s Dr. Wei Chyung Wang to sunlight, which I’ve covered here and here. At issue, is the metadata … Continue reading →

Posted in GHCN, IPCC, UHI, Weather_stations | 66 Comments

BoM embraces UHI

Posted on October 14, 2010 by

They join the UK Met office in embracing UHI now. Of course, my friend Jim Goodridge, former California State Climatologist, had this nailed in 1996 with his study of surface temperature in California: MEDIA RELEASE Wednesday 13 October 2010 Hot … Continue reading →

Posted in UHI | 69 Comments