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 new paper’s abstract, to be published in Global and Planetary Change 10/19, (not a prestigious journal) reads as follows: Global and Planetary Change Volume 181,…

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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 sunny. Increasing summer temperatures brought on by a combination of intensifying urbanization and warming climate are driving off once common low-lying morning clouds in many…

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 seasonal unit root analysis: Hong Kong from 1970 to 2015 Scientists from Macao Polytechnic Institute are pioneers in exploring urban temperature in Hong Kong 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 OF FORESTRY & ENVIRONMENTAL STUDIES A new Yale-led study published in the journal Nature Communications sheds light on the surprising role that haze in China…

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 of Wisconsin-Madison researchers shows that buds burst earlier in dense urban areas than in their suburban and rural surroundings. This may be music to urban…

♫ 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 8th, 2015. The disparity of temperature just a few blocks away is quite stunning. In the two temperatures circled in the downtown area yesterday there is…

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 call the June Gloom – is being driven up into the sky by urban sprawl, according to scientists who have studied 67 years of cloud…