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…

How not to measure temperature (or climate) #97 – California's warming air temperatures are population and site bias related

A couple of days ago, I highlighted a worst of the worst NOAA climate monitoring station in Arizona with the help of a scientist from the University of Washington. My…

Study proves urban heat islands exist, even in the Arctic

From the “we told you so years ago” department comes this interesting study that might explain the 8 °C red spot in the Russian Arctic that NASA GISS always seems…

♫ 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…

Obvious science: NASA finds vegetation essential for limiting city warming effects

From the “department of limiting UHI” and NASA/GODDARD SPACE FLIGHT CENTER   Cities are well known hot spots – literally. The urban heat island effect has long been observed to raise…

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…

Macro, Meso, and Micro Climates: The Importance of Trees in Urban Climates

Guest essay by Dr Tim Ball I think that I shall never see a poem lovely as a tree, –Joyce Kilmer Is dishwater dull? Naturalists with microscopes have told me…

Why would climate skeptics hold a conference in HOT Las Vegas?

That is a question that I’m sure is on a lot of people’s minds as they wonder if they should attend. It seems like the sort of thing warmists would…

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…

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…

Unwarranted Temperature Adjustments and Al Gore's Unwarranted Call for Intellectual Tyranny

Guest essay by Jim Steele, Director emeritus Sierra Nevada Field Campus, San Francisco State University For researchers like myself examining the effect of local microclimates on the ecology of local…

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…

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…

New paper by Ross McKitrick – 'temperature data strongly affected by local population growth'

Ross McKitrick writes: I give a demonstration of why the Parker and BEST analyses don’t disprove the evidence of contamination of temperature data, and outline what it would likely take…

Heat-related deaths in Manhattan projected to rise – except reality shows them going down in the USA

Only one problem, an NIH study shows that thanks to air conditioning and other factors, including better education programs about heat waves, heat related deaths are actually going down in…

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…

Earth at night – wildfires in Australia

From NASA – Wildfires Light Up Western Australia (nothing unusual here, it happens every year) A stunning video of the Earth at night follows. Careful observers of the new “Black…

The heat is on: the UK SurfaceStations effort

They say “imitation is the sincerest form of flattery”, so color me flattered. I’ve been remiss in writing about this effort by Roger Tattersall (aka Tallbloke) and his colleague Tim…

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…

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…