NSIDC's oops moment – uncoordinated changes make for an interesting 24 hours

Many of you are probably aware of some strange goings on over at The National Snow and Ice Data Center (NSIDC) with their Arctic Sea ice graph, specifically, this one…

Sea Ice News Volume 3 Number 3 – Beaucoup Bering Sea Ice

NASA reports in Bering Sea Teeming with Ice that “…the Bering Sea has been choking with sea ice. ” acquired March 19, 2012 download large image (12 MB, JPEG, 6800×8800) acquired…

Sea Ice News Volume 3, #2

In today’s report Arctic Sea Ice on the rise again, presently in the range of normal levels Antarctic Sea Ice is at slightly above normal levels Why is early satellite…

Snow White Takes a Walk In The Park

Guest Post by Willis Eschenbach I wrote a post called I Used To Be Snow White (… but then I drifted) a week or so ago about a study titled “Impact…

I used to be Snow White

Guest Post by Willis Eschenbach There’s a paper out by, inter alios, our good friend Judith Curry. The paper is “Impact of Declining Arctic Sea Ice on Winter Snowfall”, by…

Sea Ice News Volume 3 #1 – The "Arctic Institute" pwns itself

UPDATE: 3/5 8:30PM PST There’s a hilarious backstory on the sockpuppetry that went on yesterday from the founder of The Arctic Institute – read my comment on it here It…

Increasing Winter Cold in Recent Years and the Arctic

By Joseph D’Aleo, CCM A new study led by the Georgia Institute of Technology attempted to support a relationship reported in recent years (Overland) between melting ice in the Arctic…

NASA and multi-year Arctic ice and historical context

Over at NASA, they have a press release about old Arctic sea ice disappearing since 1980, including a helpful comparison widget that splits the before and after for comparison. I’ll…

Sea ice decline posited to be driving snowier NH winters

From Georgia Tech, the science press release that gave us the best-warming-headline-evah thanks to media spin, likely started by BBC’s Richard Black. It is worth noting that this study cites…

Best – warming – headline – evah

I’ve been getting a lot of pressure to cover the story by warmspinner Richard Black over at the BBC about a supposed feedback between Arctic sea ice and colder, snowier,…

Sea Ice News: rapid re-refreeze of the Arctic in October, 40% faster than normal

From NSIDC: A rapid freeze-up Arctic sea ice extent increased rapidly through October, as is typical this time of year. Large areas of open water were still present in the…

NSF just now figures out Archimedes' buoyancy principle

Just like Archimedes discovered millennia ago, it is well known today that the Arctic ice cap displaces it’s own weight in the water so that when it melts it will…

Warming Island / Greenland Sea Regional Climate and Arctic Sea Ice Reconstruction

Guest post by David Middleton The recent return of the Warming Island AGW myth inspired me to build a climate reconstruction for the Greenland Sea region. Temperature Reconstruction I performed…

Model predicts Arctic sea ice extent

From the University of Washington , some great news if it holds predictive power over time in the face of a cyclic, noisy, non-linear system. Model provides successful seasonal forecast…

Study suggests Arctic sea ice loss is not irreversible

We covered this topic before on WUWT, but it showed up again in this week’s AGU highlights. Given the attention to the recent Arctic sea ice low and quick turnaround,…

Arctic ice refreezing after falling short of 2007 record

By Joseph D’Aleo, CCM, AMS Fellow The arctic ice appears to have bottomed out at a level 6.4% higher than the 2007 record. Mark Serreze of the National Snow and…

Sea Ice News: Arctic sea ice "may" have turned the corner

UPDATES: New NSIDC data and a press release from them added below. While some folks (Joe Romm in particular) are touting the recent University of Bremen press release suggesting a…

New study suggests Arctic 'tipping point' may not be reached

This is interesting. While there’s much noise from alarmists that we are on an “Arctic death spiral” the team for this paper’s press release today found evidence that ice levels…

Sea Ice News: Arctic sea ice extent making a sharp right turn

Over the past few days, Arctic sea ice extent has braked dramatically in the daily loss rate and now has made a sharp right turn, which is rather unusual. Here’s…

August WUWT Arctic sea ice outlook submitted to ARCUS

This month, we have nearly a perfect bell curve distribution of votes, except for a minority vote that says less than 4.5 million sq kilometers. 750 votes were cast. PAN-ARCTIC…