A song of ice and fiber

This is the first time a distributed acoustic sensing interrogator system had been used to capture data on the seafloor of the Arctic or Antarctic oceans, and the team sees…

Broken Water Pipe Takes Out U.S. Buoy Data

A broken pipe and flooding has closed down a key NOAA data facility in Silver Spring, Maryland, and there is no estimate of when this data source will become available.…

The Revolutionary Weather Observers

Reposted from the Cliff Mass Weather Blog It is not well known that the founders of the American republic were avid amateur meteorologists, with many of them taking weather observations…

Preparing the Sentinel-6 Michael Freilich Satellite for Launch

A U.S.-European partnership, the Sentinel-6 Michael Freilich spacecraft will begin a five-and-a-half-year prime mission to collect the most accurate data yet on global sea level and how our oceans are…

Caution: Pretty Pictures Can Fool You

Guest Essay by Kip Hansen   In today’s digital and Internet-of-Things  world, it is easy to transform information into images — graphs, charts and other visuals that are colorful and…

In Search of the Standard Day

By Dr Fabio Capezzuoli Recent posts and discussions on WUWT regarding air temperature sampling frequencies and their influence on the daily average – propagating to monthly and yearly trends – demonstrated…

Sharpening a Cyclical Shovel

Guest Post by Willis Eschenbach There are a number of lovely folks in this world who know how to use a shovel, but who have never sharpened a shovel. I’m…

Weather Observers Misread Wind Speeds, Skewing a Major Hazards Database

Weather spotters who report storm measurements and observations to a U.S. national compendium of storm data often exaggerate winds speeds—by about one third, on average. By Elizabeth Deatrick  EOS.org People…

Mauna Loa Daily Meteorology

Guest Post by Willis Eschenbach As a confirmed data junkie, I’m fond of hourly data. The interesting processes in the climate system unfold on the scale of minutes and hours,…

What Are They Really Counting?

Guest Essay by Kip Hansen WARNING: This is not a technical essay. There is almost no science in it. It is not about AGW or any issue involved in the…

Are We Chasing Imaginary Numbers?

Guest Essay by Kip Hansen    Spoiler Alert: This essay is not about the mathematical entity the imaginary number. I do think that an essay here about imaginary numbers of…

Approximately 92% (or 99%) of USHCN surface temperature data consists of estimated values

An analysis of the U.S. Historical Climatological Network (USHCN) shows that only about 8%-1% (depending on the stage of processing) of the data survives in the climate record as unaltered/estimated data.…

Winners and losers in the GHCN estimation derby

Guest essay by John Goetz As noted in an earlier post here, approximately 66% of the GHCN record is estimated after processing by the GHCN adjustment models. In the current…

Approximately 66% of global surface temperature data consists of estimated values

Summary of GHCN Adjustment-Model Effects on Temperature Data Guest essay by John Goetz As the debate over whether or not this year will be the hottest year ever burns on,…

Lags and Leads

Guest Post by Willis Eschenbach I’ve been thinking about thermal lags in the climate system. Everyone is familiar with thermal lag in everyday life. When you put a cast-iron pan…

Midyear Prognosis For Records in 2014 (Now Includes June Data)

Guest Essay By Werner Brozek, Edited by Just The Facts: It was my intention to include all June data, however the June anomaly for Hadcrut3 is running really late again.…

Can GISS And Other Data Sets Set Records in 2014? (Now Includes April Data)

Guest Post by Werner Brozek (Edited By Just The Facts) GISS and other sets are  poised to set new records in 2014, even without an El Nino. The present GISS…

How Would A Super El Niño Affect RSS in 2014? (Now Includes March Data)

Image Credit: WoodForTrees.org Guest Post By Werner Brozek, Edited By Just The Facts I will attempt to answer the question in the title from two different perspectives. First of all,…

July 1912 GISS Anomaly (-0.47) Was Warmer Than January 2007 GISS Anomaly (+0.94) – (Now Includes February Data)

Image Credit: The above graphic was sourced from this article by John Kehr on his blog The Inconvenient Skeptic, and he also authored this interesting article on WUWT. Guest Post…

When Did Anthropogenic Global Warming Begin?

By WUWT Regular “Just The Facts”: Note: This article builds upon a previous article, When Did Global Warming Begin?, which offers highly recommended background for this article. There appears to…

Turning airliners into flying weather stations

From Scripps Institute New Airborne GPS Technology for Weather Conditions Takes Flight First-time demonstration led by Scripps Institution of Oceanography captures key meteorological data from aircraft, along with the potential…

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…

Will Global Cooling Continue in 2014? (Now Includes January Data)

Image Credit: WoodForTrees.org Guest Post By Werner Brozek, Edited By Just The Facts You may have seen the following recent articles (1, 2 and 3) by Walter Dnes on his…

Another Year, Another Nail in the CAGW Coffin (Now Includes December Data)

Image Credit: WoodForTrees.org Guest Post By Werner Brozek, Edited By Just The Facts CAGW refers to Catastrophic Anthropogenic Global Warming. Few people doubt that humans have some influence on climate,…