By Steve Goddard GISS tells us that it was the hottest May on record. Just looking at that map makes me perspire. It must be wicked hot at the North…
Category: measurement
Contribution of USHCN and GISS bias in long-term temperature records for a well-sited rural weather station
Guest post by David W. Schnare, Esq. Ph.D. When Phil Jones suggested that if folks didn’t like his surface temperature reconstructions, then perhaps they should do their own, he was…
Sensor problems with ship based CO2 flux measurements – readings too high, affected by humidity
From a National Oceanography Centre, Southampton (NOCS) press release Measuring carbon dioxide over the ocean Reliable measurements of the air-sea flux of carbon dioxide – an important greenhouse gas –…
CRU 3b – Urban Warm Bias in GHCN
Reposted from The Air Vent Posted by Jeff Id on January 5, 2010 So I’ve learned a great deal playing around with the GHCN data, I think this is a…
Little Ice Age thermometers – History and Reliability
Little Ice Age thermometers – History and Reliability Guest post by TonyB How reliable are The Little Ice Age thermometers ? The Little Ice age thermometers project is an attempt…
Ooops, Dutch Meteorological Institute caught in weather station siting failure – moved station and told nobody
KNMI has been measuring the wrong temperature for years WUWT reader Mike writes with this little bombshell on one of the world’s leading meteorological agencies. It seems they can’t get…
Taking a bite out of climate data
The Dog Ate Global Warming Interpreting climate data can be hard enough. What if some key data have been fiddled? By Patrick J. Michaels, National Review Online Imagine if there…
Global ozone layer depletion leveling off – rising slightly
From the European Space Agency. By merging more than a decade of atmospheric data from European satellites, scientists have compiled a homogeneous long-term ozone record that allows them to monitor…
Mapping the Greenland ice cap thickness
From the University of Copenhagen press release. IMAGE: This is a map of the ice core drilling locations discussed in the article. Click for larger image. Will all of the…
Some preliminary results from GOSAT – CO2 hot spots in interesting places
WUWT reader Anna V. alerts us to the preliminary report from the JAXA GOSAT Project. According to the project website: The Greenhouse gases Observing SATellite (GOSAT) Project is a joint…
Arctic Temperatures – What Hockey Stick?
Circling the Arctic What sudden recent warming? What Hockey Stick? I don’t see any. By Lucy Skywalker Green World Trust Click for a full sized image to click on graphs…
Spencer: analysing alternate satellite data suggests July 2009 was not a record for sea temperature
TRMM Satellite Suggests July 2009 Not a Record for Sea Surface Temperatures August 26th, 2009 By Dr. Roy Spencer UPDATE ADDED: 8/26/09 13:30 CDT see below NOAA/NCDC recently announced that…
Diane Feinstein: turbidity denier?
There was an interesting story in the Las Vegas Journal Review on August 20th. which had a passage and quote from California Senator Diane Feinstein (emphasis mine): Both U.S. Sen.…
Spencer: Something’s Fishy With Global Ocean Temperature Measurements
Dr. Roy Spencer sent me a notice of his most recent post in email. He offers an invitation for anyone to help “figure this one out”. The result could be…
Sea Surface Temperatures "warmest on record"…but
There is a lot of wailing an gnashing of teeth today over this Associated Press story title: In hot water: World’s ocean temps warmest recorded Please take a moment to…
Christy on questions about UAH seasonal signals
As promised, I contacted Dr. John Christy regarding the seasonal signal that the anonymous blogger “deepclimate” says he/she has identified in the UAH data, seen below. He/she says: “I am…
Out of Africa: A new paper by Christy on surface temperature issues
More weather station photos from Africa here. These stations shown and linked above are not GHCN stations as far as I can tell, but the siting was interesting nonetheless. This…
How not to measure temperature, part 89 – "surface temperature"
The Hillsboro, Ohio USHCN climate station of record, measuring rainfall and the “surface” temperature. Note the MMTS temperature sensor laying flat on the ground.
New paper – Global dimming and brightening: A review
Global dimming and brightening: A review Martin Wild Institute for Atmospheric and Climate Science, ETH Zurich, Zurich, Switzerland There is increasing evidence that the amount of solar radiation incident at…
Arctic temperature is still not above 0°C – the latest date in fifty years of record keeping
By Joseph D’Aleo, AMS Fellow, CCM The average arctic temperature is still not above (take your pick) 32°F 0°C 273.15°K–this the latest date in fifty years of record keeping that…
How not to measure temperature, part 88 – Honolulu's Official Temperature ±2
People send me stuff, some days my email explodes. Today I got all sorts of things about Obama and John Holdren and the new NCDC climate spincycle which Steve McIntyre…
A few thoughts on the "climate change lowers wind speeds" study
By now you’ve probably read about Wind speed trends over the contiguous USA by Pryor et al. (2009, in press, JGR) There is also an Associated Press story which cites…
Uh, oh. 50 year old ocean thermohaline model sinking fast, climate models may be disrupted
Another “observations are not models” story is emerging. For more on the status quo of thermohaline circulation, see this Wiki article – Anthony Deep Ocean Conveyor Belt Reconsidered From Peter…
What Is Normal Arctic Ice Extent?
Guest post by Steven Goddard I have been noticing in recent weeks that NSIDC extent is much closer to their 1979-2000 mean than NANSEN is to their 1979-2007 mean. This…
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