Category Archives: Sea ice

Sea Ice News – Volume 5 Number 1 – multiyear ice on the rise

Multi-year Arctic ice posts a large gain, peak ice occurred later this year. Antarctica had fourth highest minimum. From NSIDC: Arctic sea ice at fifth lowest annual maximum Arctic sea ice reached its annual maximum extent on March 21, after … Continue reading

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Posted in Antarctic, Arctic, Sea ice, Sea Ice News | 113 Comments

Claim: NSIDC, NASA Say Arctic Melt Season Lengthening, Ocean Rapidly Warming

Video follows. The length of the melt season for Arctic sea ice is growing by several days each decade, and an earlier start to the melt season is allowing the Arctic Ocean to absorb enough additional solar radiation in some … Continue reading

Posted in Arctic, Sea ice | 120 Comments

Latest admission from NSIDC on forecasting sea ice extent is a far cry from ‘Arctic death spriral’

Remember the famous claims about the ‘Arctic death spiral‘? It seems their language is a bit more realistically moderated now that they’ve blown a couple of forecasts. Seasonal Arctic summer ice extent still hard to forecast, study says Will next … Continue reading

Posted in Arctic, Sea ice | 59 Comments

Arctic Sea Ice Appears to Have Reached Maximum And Other Ice Observations

Image Credit: National Snow & Ice Data Center (NSIDC) By WUWT Regular “Just The Facts” Per the image above, Arctic Sea Ice Extent made a late season run, but it appears to have reached its maximum for the year. “NSIDC … Continue reading

Posted in Sea ice, Sea Ice News | Tagged , , , , | 80 Comments

New study shows Arctic sea ice extent ~6000 years ago was much less than today

This is interesting, somehow the Earth managed to reduce a good portion of the Arctic Ice Cap during the Holocene Climate Optimum from approximately 10,000-6,000 years ago without the help of the industrial revolution, fossil fuels, or automobile emissions. This … Continue reading

Posted in Arctic, Paleoclimatology, Sea ice | 87 Comments

Introducing the WUWT Great Lakes Ice Reference Page

Image Credit: NOAA Great Lakes Surface Environment Analysis (GLSEA) Great Lakes Ice Cover reached 91.8% yesterday, after Wednesday’s coverage of 91% made 2014 the second highest maximum on record. Great Lakes Ice Cover is well within striking distance of the … Continue reading

Posted in Reference Pages, Sea ice | Tagged , , | 91 Comments

Great Lakes reaches second highest ice cover on record

The latest data just in from the Great Lakes Environmental Research Laboratory in Ann Arbor Michigan indicates that as of today, total ice cover reached the second highest value on record 91%, beating the previous 2nd highest value set in … Continue reading

Posted in Sea ice | 122 Comments

NSIDC’s Greenpeace connected researcher claims fewer days of Arctic sea ice being seen

No mention though of the possibility that this is all part of a natural pattern, and of course no mention of Ms. Stroeve’s Greenpeace connections to her research, which brings her scientific objectivity into question. UPDATE: A graph submitted by … Continue reading

Posted in Arctic, Sea ice | 112 Comments

Southern Sea Ice Area Minimum 2nd Highest on Record

By WUWT Regular Just The Facts Southern Hemisphere Sea Ice Area reached a minimum of 2.447 Million Sq km on February 23rd, 2014, which exceeded the prior 2nd highest minimum of 2.423 Million Sq km that occurred on February 22nd, 2013. … Continue reading

Posted in records, Sea ice, Sea Ice News | Tagged , , , , , | 74 Comments

Study projects big thaw for Antarctic sea ice

From the Virginia Institute of Marine Science and the department of unverifiable forecasts in our lifetime comes this model based projection. Researchers say Ross Sea will reverse current trend, be largely ice free in summer by 2100 Antarctica’s Ross Sea … Continue reading

Posted in Antarctic, Sea ice | 127 Comments

Finally A Real Scientific Consensus – Everyone Agrees That The Recent Displaced Polar Vortex Wasn’t Caused By Global Warming

Image Credits: Soft Pixel – – By WUWT Regular “Just The Facts” For anyone who was witness to the absurdity of the recent warming makes it cold meme, it should come as no surprise that even ardent Catastrophic … Continue reading

Posted in Climate News, Polar Vortex, Sea ice, Vortex | Tagged , , | 134 Comments

Inside the Sea ice Anomaly Oscillation (SAO) – Part 1

Guest essay by Craig Lindberg In a recent post, A Relationship Between Sea Ice Anomalies, SSTs, and the ENSO? (, I introduced the Sea ice Anomaly Oscillation (“SAO”) – an observation that there is an oscillation in the sign and … Continue reading

Posted in Sea ice | 17 Comments

How Much Sunlight Actually Enters The System?

Guest Post by Willis Eschenbach There’s a new study in PNAS, entitled “Observational determination of albedo decrease caused by vanishing Arctic sea ice” by Pistone et al. Let me start by registering a huge protest against the title. The sea … Continue reading

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

Anthropogenic Influences On Lake Ice Coverage; Ice Breakers, Waste Heat, Dams, etc.?

Image Credits: NOAA Great Lakes Surface Environment Analysis (GLSEA) By WUWT Regular “Just The Facts” Per the images above, on February 13th, 2014, Great Lakes Ice Coverage was 88.4%. On February 14th, Ice Coverage dropped to 80.2 %, and has … Continue reading

Posted in Sea ice | Tagged , , , , | 72 Comments

New PNAS paper claims Arctic planetary albedo dropped significantly, yet recent CERES data shows no significant change

From PNAS: Direct satellite observation reveals that the Arctic planetary albedo, a measure of reflectiveness, decreased from 0.52 to 0.48 between 1979 and 2011, a change in albedo that corresponds to a climate forcing 25% as large as that due … Continue reading

Posted in Albedo, Antarctic, Arctic, Climate News, Sea ice | Tagged , , | 37 Comments

CryoSat shows Arctic sea ice volume up 50% from last year

Measurements from ESA’s CryoSat satellite show that the volume of Arctic sea ice has significantly increased this past autumn. The volume of ice measured this autumn is about 50% higher compared to last year. In October 2013, CryoSat measured about … Continue reading

Posted in Arctic, Sea ice | 123 Comments

A Displaced Polar Vortex and Its Causes

By WUWT Regular “Just The Facts” If you aren’t familiar with Stratospheric Polar Vortexes, you can get acquainted here, here and here. “A strong link exists between stratospheric variability and anomalous weather patterns at the earth’s surface. Specifically, during extreme … Continue reading

Posted in Cold wave, Polar Vortex, Sea ice, Vortex | Tagged , , , , | 99 Comments

A Retrospective: Fun With Sea-Ice

At right: Portrait of the artist first writing on sea-ice; coastal Maine, January 1977 Guest essay by Caleb Shaw PART ONE Nearly forty years ago, back when nobody talked of Global Warming, I lived up on the coast of Maine … Continue reading

Posted in Sea ice | Tagged , , | 101 Comments