Tag Archives: temperature

Crowdsourcing A Full Kernel Cascaded Triple Running Mean Low Pass Filter, No Seriously…

Image Credit: Climate Data Blog By Richard Linsley Hood  - Edited by Just The Facts The goal of this crowdsourcing thread is to present a 12 month/365 day Cascaded Triple Running Mean (CTRM) filter, inform readers of its basis and value, and … Continue reading

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Posted in Lower Troposphere Temperature, measurement, Temperature | Tagged , , , , , | 355 Comments

Lakes For Sale, Partially Thawed, N=20

Guest Post By Willis Eschenbach Anthony pointed out the selling of overhyped claims of the “dramatic thinning” of Arctic ice here. The title of the underlying scientific study is much more prosaic, Response of ice cover on shallow lakes of … Continue reading

Posted in Bad science, snowfall | Tagged , , , | 64 Comments

New record low set in the coldest city in the continental USA – much of the country headed for a deep freeze

As we begin 2014, it will usher in record cold temperatures. Next week looks quite cold as this forecast for Tuesday shows. Image from Dr. Ryan Maue, WeatherBell International Falls, MN set a new record with -42ºF.

Posted in records, Temperature, Weather | Tagged , , , , , , , | 141 Comments

Claim: November 2013 is the ‘warmest ever’ – but will the real November 2013 temperature please stand up?

Lots of clima-hullaballo this week in the media thanks NOAA and this announcement in NOAA’s “State of the Climate” report seen here: http://www.ncdc.noaa.gov/sotc/global/ They state: The combined average temperature over global land and ocean surfaces for November 2013 was record … Continue reading

Posted in Climate data, Temperature | Tagged , , , , | 135 Comments

‘Twas the nightmare before Christmas

By Joe Bastardi ‘Twas the week before Christmas, when all through the news, There were reports of record cold, so many were confused. Told global warming is why we should care, And that the point of no return would soon … Continue reading

Posted in Opinion, Satire | Tagged , , , | 91 Comments

Whither went the warmer weather?

17 years, 3 months with no global warming By Christopher Monckton of Brenchley The Long Pause just got three months longer. Last month, the RSS monthly global mean lower-troposphere temperature anomalies showed no global warming for exactly 204 months – … Continue reading

Posted in Climate data | Tagged , | 336 Comments

Cowtan and Way – The Magician’s ‘Red Scarf Trick’ with Linear Trend Lines

Guest Post by Kip Hansen There are a lot of good, in-depth technical discussions of Cowtan and Way 2013, Coverage bias in the HadCRUT4 temperature series and its impact on recent temperature trends. This is not one of them. In … Continue reading

Posted in Cowtan & Way, Curious things, Presentations | Tagged , , , , , , , | 79 Comments

UAH October temperatures, part 2

Note that the original October report on WUWT from a press release issued accidentally by UAH is superseded by this report. – Anthony UAH v5.6 Global Temperature Update for October, 2013: +0.29 deg. C By Dr. Roy Spencer We finally … Continue reading

Posted in Climate data | Tagged | 34 Comments

An impartial look at global warming…

Guest essay by M.S.Hodgart (Visiting Reader Surrey Space Centre University of Surrey) The figure presented here is a new graph of the story of global warming – and cooling. The graph makes no predictions and should be used only to … Continue reading

Posted in Climate data | Tagged , , , , , , , | 147 Comments

What People Will Read and See with the IPCC’s Lead-Off Illustration from the AR5 SPM

Anthony Watts published an illustration and an excerpt of the draft of the IPCC’s Summary for Policymakers due out later this month. See the WUWT post Excerpts from the Leaked Summary for Policy Makers. Included with his post is the … Continue reading

Posted in IPCC AR5 Report | Tagged , , , | 77 Comments

Britain’s Warm, But Unremarkable Summer

Guest essay by Paul Homewood For those of us living in the UK, the glorious summer has been much in the news. We seem to have spent half of it listening to the BBC telling us about temperature records that … Continue reading

Posted in Climate data, Climate News | Tagged , , , , , , , | 62 Comments

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 in one day”). The following graphic (source) of an extreme … Continue reading

Posted in UHI, Weather_stations | Tagged , , , , | 22 Comments

CO2 calculation in the global carbon cycle may be off due to a depth error

It seems that a simple assumption about where to measure CO2 in the ocean surface has drastic implications. via The Hockey Schtick New paper finds global carbon cycle datasets may be biased A paper published today in Global Biogeochemical Cycles … Continue reading

Posted in Carbon dioxide, Oceans | Tagged , , , | 73 Comments

RSS Flat For 200 Months (Now Includes July Data)

[NOTE: RSS is a satellite temperature data set much like the UAH dataset from Dr. Roy Spencer and John Christy - Anthony] Image Credit: WoodForTrees.org Guest Post By Werner Brozek, Edited By Just The Facts The graphic above shows 3 … Continue reading

Posted in Climate data, measurement, Sea Surface Temperature, Temperature | Tagged , , , , , , , , | 200 Comments

The Elusive Absolute Surface Air Temperature (SAT)

Here’s an interesting Q&A on issues with trying to determine the SAT of the Earth that I have not seen before. There’s a surprise at the end as to who wrote it.

Posted in Climate data, GHCN, Temperature, Weather_stations | Tagged , , | 91 Comments

More low climate sensitivity

This paper A lower and more constrained estimate of climate sensitivity using updated observations and detailed radiative forcing time series from Skeie et al is now in open peer review at Earth System Dynamics. They say an ECS of 1.84 … Continue reading

Posted in Climate sensitivity | Tagged , , , | 54 Comments

The early chill in the Arctic continues

Temperature above 80 degrees north drops below freezing early, and continues to drop. Many people have been watching the remarkable early drop in air temperature at the DMI plot here: This drop looks to be about two weeks early. As … Continue reading

Posted in Arctic, Sea ice | Tagged , , , | 351 Comments

When it comes to new high temperature records, ‘shoot first, ask questions later’

Readers may recall my investigation over the weekend of an announcement by the Danish Meteorological Institute (DMI) about a new all-time high temperature record set in Greenland that was subsequently picked up by the Capital Weather Gang at the Washington … Continue reading

Posted in GHCN, records, Weather, Weather_stations | Tagged , , , , , , | 46 Comments

About that ‘warmer temperatures increase violence’ claim…real world crime data doesn’t support it

Readers surely recall the wild claim yesterday made by researchers from Princeton University and the University of California-Berkeley who reported in the journal Science that even slight spikes in temperature and precipitation have greatly increased the risk of personal violence … Continue reading

Posted in Alarmism | Tagged , , , , , | 116 Comments

NASA predicts 8 degrees of warming in the US by 2100

For the National Climate Assessment NASA has produced a model-based prediction of eight degrees Fahrenheit for the continental US by 2100 as the most likely scenario Story submitted by Ben Bakker NASA scientists have created a video showing predicted dramatic … Continue reading

Posted in Climate News | Tagged , , , | 185 Comments