Category Archives: Arctic

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

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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

Why Antarctic Sea Ice Is the Better Climate Change Indicator

Guest essay by Jim Steele, Director emeritus Sierra Nevada Field Campus, San Francisco State University Global warming theory predicts that rising levels of CO2 will gradually warm the air and cause an increasing loss of sea ice. As temperatures rise, … Continue reading

Posted in Antarctic, Arctic, Sea Ice News | 107 Comments

Remarkable correlation of Arctic sea ice to solar cycle length

This is interesting, especially since Solar Cycle 23 was quite long. The Hockey Schtick writes: A paper published by the Danish Meteorological Institute finds a remarkable correlation of Arctic sea ice observations over the past 500 years to “the solar … Continue reading

Posted in Arctic, Sea ice, Solar | Tagged , , , , , , , | 108 Comments

Why Less Summer Ice Increases Bear Populations

Guest essay by Jim Steel, Director Emeritus, San Fransisco State University “Annual primary production in the Arctic has increased yearly … Should these trends continue, additional loss of ice during Arctic spring could boost productivity >3-fold above 1998–2002 levels” 1  … Continue reading

Posted in Arctic, Polarbeargate | 84 Comments

How “Science” Counts Bears

Guest essay by Jim Steele, director emeritus, San Francisco State University The Inuit claim “it is the time of the most polar bears.” By synthesizing their community’s observations they have demonstrated a greater accuracy counting Bowhead whales and polar bears … Continue reading

Posted in Arctic, Polarbeargate | Tagged , , , , , , , | 102 Comments

SEARCH sea ice contest, call for contributions

WUWT has participated for the last two years, and I’ll post up a poll for the WUWT submission tomorrow. In the meantime, you can get a look at the current state of the Arctic Sea Ice at the WUWT Sea … Continue reading

Posted in Arctic, Sea ice | Tagged , , , , , , , | 63 Comments

Modeling sea ice loss

From Wiley Study explores atmospheric impact of declining Arctic sea ice There is growing recognition that reductions in Arctic sea ice levels will influence patterns of atmospheric circulation both within and beyond the Arctic. New research in the International Journal … Continue reading

Posted in Arctic, Sea ice | Tagged , , , , , , , | 80 Comments

Nenana Ice Classic sets new record for latest ice-out, and the record is still growing 

UPDATE: Breakup has occurred! See below, for my timelapse video Here is the webcam closeup – when it was still standing as of 14:18 AKDT: Alaska Dispatch confirms what we already knew in this thread on WUWT:

Posted in Arctic, Fun_stuff | Tagged , , , , , , , | 96 Comments

Nenana Ice Classic – closing in on all time record latest ice-out

According to the ice breakup log, the latest the ice has ever gone out was May 20th, 1964 at 11:41 AM Alaska Standard Time. As of this writing there is about 28 hours to go to break that record. Geophysicist … Continue reading

Posted in Arctic, Fun_stuff | Tagged , , | 330 Comments

Good news: World’s biggest ice sheets likely more stable than previously believed – upsets previous estimates of melting and sea level

Researchers show that high ancient shorelines do not necessarily reflect ice sheet collapse millions of years ago From the Canadian Institute for Advanced Research: For decades, scientists have used ancient shorelines to predict the stability of today’s largest ice sheets … Continue reading

Posted in Antarctic, Arctic, Glaciers | Tagged , , , , , , | 72 Comments

Arctic methane emergency called off?

Here’s the issue, as described in Wikipedia: The Arctic region is one of the many natural sources of the greenhouse gas methane. Global warming accelerates its release, due to both release of methane from existing stores, and from methanogenesis in … Continue reading

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

The Icy Nenana River

Guest Post by Willis Eschenbach The last time I was in Alaska, I had the good fortune to stop by the town of Nenana, home of the Nenana River Ice Classic. Nenana sits at the junction of the Tanana and … Continue reading

Posted in Arctic, Uncategorized | Tagged , , , | 172 Comments

Nenana Ice Classic now past 4th latest ice breakup

Reader Psalmon writes: Nenana River ice breakup nears top three latest dates in 97 years of contest It may have escaped notice, but this last Saturday the locals in Nanana, AK hooked up the clock to determine the breakup and … Continue reading

Posted in Arctic | Tagged , | 56 Comments

On Hartmann and Wendler 2005 “The Significance of the 1976 Pacific Climate Shift in the Climatology of Alaska.”

Note: this is a companion article for the story: The Guardian’s Suzanne Goldenberg takes a fossil fueled trip to a remote Alaskan village to tell us recent global warming caused it to sink – but that’s not the cause   … Continue reading

Posted in Arctic, PDO, Sea Surface Temperature | Tagged , , , , , , , | 16 Comments

The Guardian’s Suzanne Goldenberg takes a fossil fueled trip to a remote Alaskan village to tell us recent global warming caused it to sink – but that’s not the cause

UPDATE: A companion essay to this one, showing how Alaska’s 30 year period of warmth is a product of ocean cycles and now coming to an end is now online here. “America’s First Climate Refugees” are actually a victim of … Continue reading

Posted in Alarmism, Arctic | Tagged , , , , , , , | 80 Comments

New NSF paleo research claiming Arctic was warmer fails to take major ocean circulation changes 3 million years ago into account

I covered this story earlier today, and it was presented much differently in that press release. This press release takes a different tack. IMHO, it looks like a big “ooops” from the National Science Foundation. See what I found after … Continue reading

Posted in Arctic, Paleoclimatology | Tagged , , , , , , , | 49 Comments

More ‘ice free Arctic’ claims – we’ve heard it all before

From the University of Massachusetts at Amherst, something we’ve heard before. For example this claim from 2008. Gotta love the use of props to show how climate tipping points work: NASA: Arctic Ocean Could be Mostly Ice Free in 2013 … Continue reading

Posted in Arctic, Sea ice | Tagged , , , , , , , | 71 Comments

Were Late Season Snowstorms and the Long Cold Winter Caused by Anthropogenic Global Warming or a Cold Northern Polar Region?

Image Credit: Remote Sensing Systems (RSS) By WUWT regular “Just The Facts” I recommend that everyone watch this brief Weather Channel segment titled “Blame Climate Change for Long Winter“, the video description states that, “In much of the country this … Continue reading

Posted in Arctic, measurement | Tagged , , , , , , | 94 Comments

Modeling the greening of the Arctic

From the National Science Foundation: New Models Predict Dramatically Greener Arctic in the Coming Decades International Polar Year- (IPY) funded research predicts boom in trees, shrubs, will lead to net increase in climate warming A map of predicted greening of … Continue reading

Posted in Arctic | Tagged , , | 153 Comments