Category Archives: UHI

Articles on the Urban Heat Island anomaly relating to the surface record

Responses from Parker

CA reader and contributor Neal J. King got a bevy of questions answered related to the June 14th posting of Parker 2006: An Urban Myth? and they are posted here in order. Thanks to Neal and Dr. Parker for making this available to all for reading and consideration. – Anthony Questions to Parker, Part 1: […]

Ukiah CA

Russ Steele, who’s been working closely with Anthony Watts and who also deserves much credit for this recent initiative, reports on Ukiah CA at his blog here Ukiah is in the same gridcell as Petaluma. Russ shows a picture of the weather station which is on grass – there’s a tree nearby, but no incinerators, […]

Petaluma CA

Check out Petaluma CA at Anthony Watts’ blog. Anthony has shown the GISS unadjusted temperature graphic. In this case, the GISS raw data appears to be mostly the same as USHCN adjusted (filnet) up to different rounding; a few isolated values available in USHCN are missing in GISS raw for some strange reason. I’m starting […]

Parker and Fresno Airport

Fresno Airport is one of the sites in the Parker 2006 network that is used to argue that there is a negligible UHI component in temperature increases in the major indexes. Here is a picture of this rustic location (which is still on the to do list): Parker has a figure showing results for […]

Godowitch et al 1985 on Urban Boundary Layers

Today I want to talk about a terrific 1985 article Godowitch et al,, 1985. Evolution of the Nocturnal Inversion Layer at an urban and nonurban location, J Clim Appl Met 791 ff available online here, which helps put some of the UHI discussions in a more complete perspective. Instead of just considering UHI from a […]

Parker 2006: An Urban Myth?

If you are not a climate scientist (or a realclimate reader), you would almost certainly believe, from your own experience, that cities are warmer than the surrounding countryside – the “urban heat island”. From that, it’s easy to conclude that as cities become bigger and as towns become cities and villages become towns, that there […]