Category Archives: Arctic

On data losses -vs- geography in Cowtan and Way 2013: data dropout may account for most of the recent observed differences

At Climate Audit, Roman M. has a very interesting analysis that shows the surface grid cell losses from HadCRUT4 in C&W. It hones in on the issue of why the temperature differences from 2005 are much more significant than the … Continue reading

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Posted in Antarctic, Arctic, Cowtan & Way, Sea ice | Tagged , , , , , , , , | 57 Comments

New paper: Arctic temperatures peaked before 1950, declining since

New paper using Oxygen 18 isotope tracking finds the Arctic temperatures peaked before 1950, and have been stable to declining since. Natural variability is cited as the cause. A new paper published in Climate of the Past reconstructs temperatures over … Continue reading

Posted in Arctic, Paleoclimatology | Tagged , , , , , , , | 43 Comments

Inverse Underwater Hockey Sticks?

From the University of Toronto,  Underwater ‘tree rings’ Calcite crusts of arctic algae record 650 years of sea ice change Almost 650 years of annual change in sea-ice cover can been seen in the calcite crust growth layers of seafloor … Continue reading

Posted in Arctic, Paleoclimatology | Tagged , , | 125 Comments

Cowtan and Way’s ‘pausebuster’, still flat compared to models

Steve McIntyre writes: In the context of IPCC SOD FIgure 1.5 (or similar comparison of models and observations), CW13 is slightly warmer than HadCRUT4 but the difference is small relative to the discrepancy between models and observations; the CW13 variation … Continue reading

Posted in Arctic, Climate data, Modeling | Tagged , , , , , | 95 Comments

Claim: Last 100 years may be warmest in 120,000 years in the Arctic, but not so fast (UPDATED)

From the University of Colorado at Boulder, comes this study about radiocarbon dating some dead moss clumps exposed from under ice/snow at 4 locations on Baffin Island that somehow proves “unprecedented” warmth for the entire Arctic for the last 120,000 … Continue reading

Posted in Arctic, Paleoclimatology | Tagged , , , | 258 Comments

Sea Ice News Volume 4 Number 6: Arctic sea ice has most definitely turned the corner – Maslowski is falsified

Plus notes on the ARCUS sea ice forecasting contest As I pointed out on September 16th in Sea Ice News Volume 4 Number 5: No ice free Arctic this year – it appears that Arctic sea ice has turned the corner … Continue reading

Posted in Arctic, Sea Ice News | Tagged , , , , , , , , | 157 Comments

JAXA timing worst ever – switching Arctic Sea Ice software, right as the minimum is about to happen

It looks as if we are about to see the turn in Arctic sea ice, and if so it will be earlier than last year. But right at that same time, JAXA has decided to switch horses mid-stream. They say … Continue reading

Posted in Arctic, Sea ice | Tagged , , , , , , , | 144 Comments

Introducing The New WUWT Northern Regional Sea Ice Reference Page – With Observations

Image credits: (NSIDC) – The Perry-Castañeda Library Map Collection By WUWT regular “Just The Facts” We are pleased to introduce WUWT’s newest addition, the Northern Regional Sea Ice Page Sometimes lost in the Global Warming Causes Sea Ice Death Spiral … Continue reading

Posted in Announcements, Arctic, Reference Pages, Sea ice, Sea Surface Temperature | Tagged , , , , , | 57 Comments

NASA says Arctic sea ice ‘Unlikely To Break Records’ in 2013

A video animation follows. Note also that Dr. Walt Meier is now with NASA Goddard, after leaving NSIDC at the end of July. This is his first report from NASA. – Anthony Arctic Sea Ice Update: Unlikely To Break Records, … Continue reading

Posted in Arctic, Sea ice | Tagged , , , , , | 112 Comments

The Medieval Warm Period in the Arctic

Since the IPCC AR5 is again making news in talking about the Medieval Warm Period, this review from Craig Idso at CO2Science.org seems appropriate. -Anthony Medieval Warm Period (Arctic) — Summary This review begins with the study of Dahl-Jensen et … Continue reading

Posted in Arctic, MedievalWarmPeriod | Tagged , | 56 Comments

Open water at the North Pole

Remember these stories? Al Gore’s “Reality Minions” think the North Pole is melting – except that’s NOT a photo of the North Pole and Follow up: the bogus ‘North Pole becomes a lake’ story There was a lot of worry … Continue reading

Posted in Arctic | Tagged | 82 Comments

A new paper pushes back on the ‘Arctic amplification is making extreme weather’ idea

There has been much worry that extreme weather is the result of changes in the Arctic. For example:  Jennifer Francis, Rutgers University, 25 January 2012. The “Arctic Paradox” was coined during recent winters when speculations arose that the dramatic changes … Continue reading

Posted in Arctic, Temperature | Tagged , , , , , , , | 48 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

In the Arctic, nearby soot may be a larger forcing than CO2

From the AGU Weekly Highlights, something I’ve pointed out more than a few times. See this photo of a moulin in upper Greenland, where carbon soot has collected at the bottom: Image from National Geographic online slide show – Photo: … Continue reading

Posted in Albedo, Arctic, Carbon soot | Tagged , , , , , | 63 Comments

Sea Ice News Volume 4 #3 – 2013 Sea Ice Forecast Contest

We are closing on the Arctic sea ice minimum. Will it be another Serreze death spiral media opportunity? Or will it be ho-hum- nothing to see here, move along? Once again I’m inviting readers to submit their best guess, best … Continue reading

Posted in Arctic, Sea Ice News | Tagged , , | 132 Comments

According to this DMI temperature plot, the high Arctic has dropped below freezing about two weeks early

The daily mean temp 80 -90 degrees North has remained below climatological normal for more than 120 days, and has now dropped below freezing  Normally, we don’t see this sort of drop until early to mid September. I’m surprised to … Continue reading

Posted in Arctic, Sea ice | Tagged , , , | 107 Comments

UW issues statement on the ‘North Pole Lake’

From the University of Washington: Santa’s workshop not flooded – but lots of melting in the Arctic By Hannah Hickey Santa’s workshop at the North Pole is not under water, despite recent reports. A dramatic image captured by a University … Continue reading

Posted in Arctic | Tagged , , , , | 67 Comments

Al Gore’s “Reality Minions” think the North Pole is melting – except that’s NOT a photo of the North Pole

Even journalists get tripped up into thinking this is photo from the North Pole. At the real North Pole, history shows this to be a relatively common occurrence. It isn’t very hard to catch Al Gore and his Climate Reality … Continue reading

Posted in Alarmism, Arctic, Sea Ice News | Tagged , , , , | 111 Comments

Oh, what a difference a year makes in Greenland melting

ARCTIC SUMMER SNOWSTORM By Joseph D’Aleo CCM Remember a year ago when few days of July ‘warmth’ with strong blocking over Greenland had the media abuzz over some melting? Last July a brief spell of temperatures in the mid 30s … Continue reading

Posted in Arctic, Greenland ice sheet | Tagged , , , | 73 Comments

An alarmist prediction so bad, even Gavin Schmidt thinks it is implausible

Gosh, it’s that “methane ‘splode” again. This time the Guardian makes an easily testable hypothesis emblazoned in the headlines that we’ll be sure to remind them of in two years. Even Gavin Schmidt is panning this one, see below. From … Continue reading

Posted in Arctic, Methane, Sea ice | Tagged , , | 115 Comments