Climate Conversation Group

A snow-covered Stevenson screen — which seems to put global warming into perspective. This standard enclosure for weather recording instruments, such as thermometers, hygrometers, psychrometers and barometers, was invented in 1818 by a British engineer. It keeps the instruments dry and shades them from direct rays of the sun while allowing the air to circulate freely. For more on Stevenson screens, weather stations and generally measuring temperatures, visit Watts Up With That (perhaps our favourite climate site).

NIWA keep talking about various reasons to adjust the official New Zealand temperature readings. They say one must account for changes in location, exposure, urbanisation and instrumentation. For some reason they continually harp on about the altitude difference between Thorndon and Kelburn (Wellington).

But it is empty talk, because they have never made changes for those reasons. Are you listening? People of New Zealand: scientists from the National Institute of Water and Atmospheric Research (NIWA), your country’s publicly-funded, premier environmental research organisation, have lied to you and continue to lie to you. Read more… »

This is great news. Have they “statistically corrected” the poorly-sited stations’ data? If the data’s been fixed, why move the stations? Are they still ignoring a documented warm bias? Read NOAA’s press release—they say that a global monitoring network “protects” the planet. They don’t reveal how. more…

More observations of record snow coverage and record low temperatures in many places in January 2008. more…

In the 12 months to the end of January, the temperature dropped -0.629°C, rivalled in the last 10 years only after the 1998 El Nino peak. more…

Last year, concerns that human activities were causing more frequent and more intense hurricanes received considerable attention. Hurricane expert Dr William Gray reviews the claims and discusses the 2006 hurricane season. more…