Category Archives: weather_stations

Heh.

Posted on February 4, 2012 by

From Tom Nelson Email 600, Sept 2007: Watts expose makes NOAA want to change entire USA method Email 600

Posted in climate data, surfacestations paper, weather_stations | Tagged , , , , , , , | 152 Comments

Bitter cold records broken in Alaska – all time coldest record nearly broken, but Murphy’s Law intervenes

Posted on January 30, 2012 by

Jim River, AK closed in on the all time record coldest temperature of -80°F set in 1971, which is not only the Alaska all-time record, but the record for the entire United States. Unfortunately, it seems the battery died in … Continue reading →

Posted in records, weather, weather_stations | Tagged , , , , , | 380 Comments

Abrupt changes in GHCN station-level temperature records contradict the anthropogenic global warming (AGW) claims.

Posted on January 5, 2012 by

Guest post by Jens Raunsø Jensen Preamble Inspired by a statement by Dr. Kevin Trenberth in the e-mails referred to as Climategate 2.0 (#3946 discussed here), it is hoped that climate scientists will have “an open enough mind to even … Continue reading →

Posted in climate data, GHCN, weather_stations | Tagged , , , , , , , , | 205 Comments

The Impact of Urbanization on Land Temperature Trends

Posted on December 5, 2011 by

by Zeke Hausfather , Steven Mosher, Matthew Menne , Claude Williams , and Nick Stokes [Note: this is an AGU poster displayed at the annual meeting, available here as a PDF. I’ve converted it to plain text and images for … Continue reading →

Posted in GHCN, UHI, weather_stations | 134 Comments

Even as far back as 1892, station siting was a concern

Posted on October 26, 2011 by

Former California State Climatologist Jim Goodridge sent this along yesterday. This interesting letter from 1892 is a letter from Sergeant James A. Barwick to cooperative weather observers in California. He was concerned about the station siting and exposure conditions and … Continue reading →

Posted in climate data, weather_stations | Tagged , , | 46 Comments

NOAA: leaving bad data stand in Laredo

Posted on October 11, 2011 by

From Dr. Roger Pielke Sr.’s Climate Science blog, a story of a poorly sited weather station, followed by leaving in the bad data when it is known to be bad. I’ve located the Laredo airport AWIS, more photos below. Guest … Continue reading →

Posted in climate data, weather_stations | Tagged , , | 44 Comments

Houston, we have a temperature problem

Posted on August 30, 2011 by

Eric Berger writes (excerpt below) at the Houston Chronicle “SciGuy” blog about the wicked hot record breaking temperatures people were getting in Houston on their iPhones. Turns out the whole issue is over station siting. While he located the station, … Continue reading →

Posted in GHCN, records, weather_stations | 35 Comments

How not to measure temperature in the GHCN, part 1

Posted on August 29, 2011 by

Yes, it’s back. Dr. Roger Pielke Sr.  and I have started looking at the GHCN to document the siting quality of surface stations that measure climate in the Global Historical Climatological Network (GHCN), the darling of NCDC’s Dr. Thomas Peterson … Continue reading →

Posted in GHCN, weather_stations | 44 Comments

My surfacestations project at the AMS conference

Posted on August 21, 2011 by

Co-author Dr. John Nielsen-Gammon (and subbed at the last minute by John Christy)  presents the results of the SurfaceStations project to the 19th Conference on Applied Climatology 18–20 July 2011, Asheville, North Carolina. AMS just posted these presentations (h/t to … Continue reading →

Posted in weather_stations | Tagged | 11 Comments

New paper “Climatic trends in major U.S. urban areas” quantifies the UHI effect and the impact on climate trends

Posted on August 16, 2011 by

There’s a new paper which quantifies the effects of the Urban Heat Island and opines on the effect of urban areas on multi-decadal surface temperature trends. It was just published yesterday in Geophysical Research Letters and is quite interesting and … Continue reading →

Posted in climate data, Temperature, UHI, weather_stations | 47 Comments

When is a USHCN airport station not at the airport?

Posted on August 15, 2011 by

In his early 60′s schtick “Hippy Dippy Weatherman” comic George Carlin used to say “Why do they always give the temperature at the airport? Nobody lives there!” In the case of the airport weather station in Susanville, CA, he’d be … Continue reading →

Posted in Technology, weather_stations | 52 Comments

Pielke Sr. on the quality of global surface stations

Posted on August 14, 2011 by

Quality Of Global Climate Surface Observing Sites By Dr. Roger Pielke Sr. Anthony Watts, Evan Jones and the numerous outstanding volunteers have provided us with an effective, land breaking documentati0n of the quality of siting of surface observations that are used … Continue reading →

Posted in GHCN, weather_stations | 56 Comments

Biases in Antarctic weather stations reported up to 10°C

Posted on August 10, 2011 by

This paper just published in the AMS Journal of Atmospheric and Oceanic Technology has some broad ramifications for the claim (Steig et al, covered here) that Antarctica is warming. It appears that the radiation shields used for automated weather stations … Continue reading →

Posted in Antarctic, weather_stations | 71 Comments

Analysing the complete hadCRUT yields some surprising results

Posted on August 4, 2011 by

From The Reference Frame, 30 July 2011 via the GWPF HadCRUT3: 30% Of Stations Recorded A Cooling Trend In Their Whole History The warming recorded by the HadCRUT3 data is not global. Despite the fact that the average station records … Continue reading →

Posted in climate data, GHCN, weather_stations | Tagged , , , , , | 111 Comments

Connecticut’s new short lived all time high temperature record corrected – but was it ever a record at all?

Posted on July 30, 2011 by

The recent heat wave in the Midwest and the eastern United States has been characterized by all sorts of exaggerated claims. One even made it into Wikipedia as an “official” all time high record. From http://en.wikipedia.org/wiki/U.S._state_temperature_extremes Dr. Roy Spencer alerted … Continue reading →

Posted in climate data, records, weather, weather_stations | Tagged , , , , , , | 64 Comments

UEA/CRU releases their climate data under ICO order, but there are a few holdouts

Posted on July 27, 2011 by

From Climate data released Wed, 27 Jul 2011 All data sent to the Climatic Research Unit (CRU) at the University of East Anglia by National Meteorological Services around the globe to complete its global land temperature dataset CRUTEM3 will be … Continue reading →

Posted in weather_stations, climate data | Tagged , , | 75 Comments

The “great dying of thermometers” – helping GISS find the undead thermometers, complete with code

Posted on July 24, 2011 by

Guest post by Walter Dnes. There was phenomenon known as “the great dying”, where most of the Canadian stations being used for GISS world monthly temperatures disappeared, at least according to GISS. In reality, many of these “dead” stations are … Continue reading →

Posted in weather_stations, climate data | 70 Comments

See temps rise at Sea-Tac

Posted on July 17, 2011 by

From Cliff Mass, a study that demonstrates how adding a runway generated a hockey stick in temperature difference to surrounding stations. As I’ve been saying for years, the dynamic environment of the airport is the wrong place to measure “climate … Continue reading →

Posted in weather_stations, climate data | Tagged | 59 Comments

Record highs? – NOAA staffers are beginning to doubt the accuracy of the measurement system

Posted on July 7, 2011 by

While Joe Romm squawks about record highs being “obscenely hot” over at Think-Climate Progress, there’s a quiet bit of questioning going on within NOAA about the veracity of the surface temperature measurements, particularly related to ASOS stations at airports, which … Continue reading →

Posted in weather_stations, climate data | 61 Comments

Crater Lake USHCN weather station – the GISS removal

Posted on June 9, 2011 by

Readers may recall I wrote in this article about my family memorial day excursion to Crater Lake: Crater Lake happens to have a USHCN weather station, and it is one of the few stations that GISS excludes (they have an … Continue reading →

Posted in weather_stations | Tagged , , | 78 Comments

Snowbound USHCN weather station at Crater Lake

Posted on June 5, 2011 by

Last weekend, I took my familiy on a trip to see the Lava Beds National Monument (the kids had a great time exploring the lava tube caves) and also a stop at Crater Lake. Crater Lake happens to have a … Continue reading →

Posted in weather_stations | Tagged , , , | 82 Comments

Little Ice Age thermometers – History and Reliability

Posted on May 23, 2011 by

This is an excerpt of a larger document by Tony Brown (Tony B on WUWT and other blogs) that he will be happy to make available. He writes: Some months ago I passed you a preliminary study of mine into … Continue reading →

Posted in climate data, GHCN, measurement, weather_stations | 51 Comments

According to the best-sited stations, the diurnal temperature range in the lower 48 states has no century-scale trend.

Posted on May 19, 2011 by

It seems that a number of folks have missed one of the more important conclusions from our first paper on the surfacestations project. Co-author Dr. John Nielsen-Gammon has some things to say about it the finding that is the title. … Continue reading →

Posted in climate data, weather_stations | Tagged , | 67 Comments

The surfacestations paper – statistics primer

Posted on May 12, 2011 by

Fall et al. 2011: The Statistics By John Neilsen-Gammon (from his blog Climate Abyss – be sure to bookmark it, highly recommended – Anthony) As I mentioned in my last post, I did a lot of the statistical analysis in … Continue reading →

Posted in surfacestations paper, weather_stations | Tagged , , , | 52 Comments

The long awaited surfacestations paper

Posted on May 11, 2011 by

This summary is from Dr. Pielke at the University of Colorado in his words. I’ll have my own post on some detail not covered here, with links to the SI – data code, etc we are preparing in a day … Continue reading →

Posted in weather_stations | Tagged , , , , , | 154 Comments