Data show that the high levels of warming, especially at night and as measured at an airport, are primarily due to urbanization over time, with the modest warming of the…
Search Results for: uhi
Houston Recognizes They Have a Problem, the UHI.
Kudos to ABC13 in Houston for reporting honestly on how the UHI affects Houston’s temperatures.
Urbanization Effects on GHCN Temperature Trends, Part IV: UHI Effects on Tmax and Tmin
The nonlinearity of the relationship is, as other investigators have found, very strong.
Classifying Land Temperature Stations as Either “Urban” or “Rural” in UHI Studies Proves Nothing about Spurious Temperature Trends
studies have demonstrated that the greatest rate of warming as population increases is for nearly-rural sites, not urban
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…
Scafetta on UHI
Guest post by Rud Istvan Charles the Moderator asked via email whether the following Scafetta paper had any merit? I opined yes, so here is another possible guest post. This…
Mosher: “microsite bias matters more than UHI, especially in the first kilometer”
Urban Stations in GHCN V4. Guest post by Steven Mosher Background The recent post at WUWT covered a new analysis by Goddard & Tett (hereafter GT) showed how UHI has…
Quote of the Week: That time when climate science believed UHI was causing most of the twentieth century warming
AMS fellow Joe D’Aleo writes of a time when Thomas Karl, former director of the National Climatic Data Center (NCDC) actually believed that UHI and station siting was a problem…
Study: UHI in Los Angeles is driving off coastal clouds that dampen California wildfires
From the THE EARTH INSTITUTE AT COLUMBIA UNIVERSITY and “an actual case of man-made climate change” department. Urbanization and climate change combine to heighten danger Sunny California may be getting too…
Study: UHI in Hong Kong accounts for most 'warming' since 1970
From the INSTITUTE OF ATMOSPHERIC PHYSICS, CHINESE ACADEMY OF SCIENCES How much warmer has Hong Kong’s urban area become during the past 4 decades? Characterizing the urban temperature trend using…
Study: Haze in China amplifies UHI effect
Study reveals surprising role of haze in the warming of Chinese cities Research reveals that impacts of haze pollution in the US and China vary significantly From the YALE SCHOOL…
Study: UHI affects the urban growing season
From the UNIVERSITY OF WISCONSIN-MADISON Spring comes sooner to urban heat islands, with potential consequences for wildlife MADISON, Wis. — With spring now fully sprung, a new study by University…
The Urban Heat Island (UHI) is mapped in major U.S. cities
UGA study ranks US cities based on the urban heat island effect on temperatures From the UNIVERSITY OF GEORGIA Highlights Urban heat island (UHI) intensities were estimated for the fifty…
♫ I left my UHI, in Sannn Frannncisco ♪
Apologies to singer Tony Bennett for the title. Our own “Charles the moderator” writes in with this curious picture from Weather Underground showing downtown San Francisco at about 2:15PM September…
Think UHI doesn't affect the climate? Think again.
From AGU: More urban heat; less summer fog, on California coast Larry O’Hanlon writes on the AGU blog Geospace: The summer fog that shrouds coastal southern California – what locals…
UHI – worse than we thought
Remember when I measured the UHI in Reno, NV? It seems the normally alarmist “Climate Central” is just now getting around to recognizing UHI, but of course, they have to…
Something Detroit has in abundance – UHI
Detroit gets a lot of negative press these days, mainly because it has become a poster child for badly managed cities and decline, but it does seem to have UHI…
UHI and heat related mortality
From Arizona State University Study links urbanization and future heat-related mortality TEMPE, Ariz. – Phoenix stands at a parched crossroads. Global scale climate change is forecast to bring hotter summers…
Daily Record Temperatures & UHI – Part II
By Paul Homewood I ran a post the other day on daily record temperatures in the Southeast of the USA. Just to recap: A record daily high means that temperatures…
Record Daily Temperatures and UHI in the USA
By Paul Homewood https://www2.ucar.edu/atmosnews/news/1036/record-high-temperatures-far-outpace-record-lows-across-us Every so often, the hoary old chestnut of record daily temperatures is wheeled out, as evidence of global warming. The above chart is from the NCAR…
Yes, but what about all that extra UHI that water vapor will cause?
Not to mention the water pollution…from Springer Select: To curb China’s haze and air pollution, use water New geoengineering research suggests pollution-control measures inspired by watering a garden A new…
Analysis Of UHI In South Korea
Guest essay by Paul Homewood Seoul I ran a post earlier about UHI in South Korea. A study by two Korean scientists found that over half of the warming reported…
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)…
Climate Craziness of the week – with the physical signature of UHI staring them right in the face, Mann & Borenstein go with their 'gut' instincts
Some people wonder if Michael Mann is simply an activist masquerading as a scientist, this lends credence to that idea. I wonder if Dr. Mann has ever visited weather stations…
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