Antarctic Sea Ice Extent Sep 19 2014 – 7th All-Time Record in 7 Days

Russ Steele:

Another sign we are on the cusp of the next grand minimum?

Originally posted on sunshine hours:

Antarctic Sea Ice Extent Sep 19 2014 – 1,535,000 sq km above the 1981-2010 mean. Data for Day 261. Data here.

Another 58,000 sq km. 7th All-Time Record in 7 Days.

610,000 sq km higher than the previous daily record.

antarctic_Sea_Ice_Extent_Zoomed_2014_Day_261_1981-2010


antarctic_Sea_Ice_Extent_2014_Day_261_1981-2010

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Prof Bob Carter warns of unpreparedness for Global Cooling

Russ Steele:

According to GJR in a comment , a sure sign of the next ice age is wheat killing spring frost. Please note the kill frost that destroyed the spring wheat in Australia.

Originally posted on Watts Up With That?:

HadCRUT_cooling from 2001

Eric Worrall writes:

Professor Bob Carter, writing in today’s edition of The Australian, a major Aussie daily newspaper, warns that the world is unprepared for imminent global cooling, because of the obsession of policy makers with global warming.

According to Bob Carter;

Heading for ice age

“GRAHAM Lloyd has reported on the Bureau of Meteorology’s capitulation to scientific criticism that it should publish an accounting of the corrections it makes to temperature records (“Bureau warms to transparency over adjusted records”, 12/9). Corrections which, furthermore, act to reinforce the bureau’s dedication to a prognosis of future dangerous global warming, by turning cooling temperature trends into warming ones — a practice also known to occur in the US, Britain and New Zealand.

Meanwhile, we have a report by Sue Neales that the size of our grain harvest remains in doubt following severe frosts in southern NSW killing large areas of early…

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NOAA – 246 Low Max Records Broken or Tied From Sept 1 to Sept 10. Some records broken by 16F

Russ Steele:

Are we on the cusp of the next grand minimum? Summer snow and 10 degree temps.

Originally posted on sunshine hours:

246 Low Max Records Broken or  Tied From Sept 1 to Sept 10 according to the NOAA.

A “Low Max” means that the maximum temperatures for the day was the lowest it has ever been. This indicates daytime cooling.

Below is a screenshot showing location and the biggest difference between old record and new record.

The list is just the ones I could capture in a screenshot.

LowMAX_Sep_1_Sep_10_2014

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NOAA – 1025 Low Max Records Broken From Aug 1 to Aug 21. Some records Smashed by 16F

Russ Steele:

Are we on the cusp of the Next Grand Minimum?

Originally posted on sunshine hours:

1025 Low Max Records Broken From Aug 1 to Aug 21 according to the NOAA.

A “Low Max” means that the maximum temperatures for the day was the lowest it has ever been.

This indicates daytime cooling.

Below is a screenshot showing location and the biggest difference between old record and new record.

Note that Dyer NV has 111 years of data. And the record was smashed by 16F.

LowMax_Aug_1_2014_to_Aug_21

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Icelandic Bárðarbunga volcanic eruption begins

Russ Steele:

According to volcanodiscovery.com, “approximately 8600 years ago, Bárðarbunga produced the largest known lava flow during the past 10,000 years on earth (more than 21 cubic kilometers of volume.”)
Stay Tuned, we may be treated to a world changing experience.

Originally posted on Watts Up With That?:

From the Icelandic Met Office

It is believed that a small subglacial lava-eruption has begun under the Dyngjujökull glacier. The aviation color code for the Bárðarbunga volcano has been changed from orange to red. Image follows.

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Bárðarbunga volcano getting ready to blow? 1000 Earthquakes felt as magma moves into ice covered caldera

Russ Steele:

Volcanic activity has played a role in grand minimum cooling. We could see some Northern Hemisphere cooling with the eruption of this volcano.

Originally posted on Watts Up With That?:

yearly_activity[1]From the Icelandic Meteorological Office:

A summary of seismic activity, written Tuesday evening 19th August 2014 at 20:00

Around 1.000 small earthquakes were detected in the Bárðarbunga region from midnight (18/19) until Tuesday evening 19th August at 20:00. All of them were smaller than magnitude 3 and most were located in the cluster east of Bárðarbunga.

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Ice Age Cometh: Small changes in ice sheet size can trigger abrupt climate changes

This story in the Science Daily is presented for your evaluation:

iceage_coming

© Credit: Alfred-Wegener-Institut
The Northern Hemisphere in a warm phase (a brief, warm interstadial phase during glacial climates) During the extended cold phases the ice sheets …
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Over the past one hundred thousand years, cold temperatures largely prevailed over the planet in what is known as the last ice age. However, the cold period was repeatedly interrupted by much warmer climate conditions. Scientists have long attempted to find out why these drastic temperature jumps of up to ten degrees took place in the far northern latitudes within just a few decades. Now, for the first time, a group of researchers at the Alfred Wegener Institute, Helmholtz Centre for Polar and Marine Research (AWI), have been able to reconstruct these climate changes during the last ice age using a series of model simulations. The surprising finding is that minor variations in the ice sheet size can be sufficient to trigger abrupt climate changes.

The new study was published online in the scientific journal Nature last week and will be appearing in the 21 August print issue.

During the last ice age a large part of North America was covered with a massive ice sheet up to 3km thick. The water stored in this ice sheet is part of the reason why the sea level was then about 120 meters lower than today. Young Chinese scientist Xu Zhang, lead author of the study who undertook his PhD at the Alfred Wegener Institute, explains.

“The rapid climate changes known in the scientific world as Dansgaard-Oeschger events were limited to a period of time from 110,000 to 23,000 years before present. The abrupt climate changes did not take place at the extreme low sea levels, corresponding to the time of maximum glaciation 20,000 years ago, nor at high sea levels such as those prevailing today — they occurred during periods of intermediate ice volume and intermediate sea levels.”

The results presented by the AWI researchers can explain the history of climate changes during glacial periods, comparing simulated model data with that retrieved from ice cores and marine sediments.

How rapid temperature changes might have occurred during times when the Northern Hemisphere ice sheets were at intermediate sizes

During the cold stadial periods of the last ice age, massive ice sheets covered northern parts of North America and Europe. Strong westerly winds drove the Arctic sea ice southward, even as far as the French coast. Since the extended ice cover over the North Atlantic prevented the exchange of heat between the atmosphere and the ocean, the strong driving forces for the ocean currents that prevail today were lacking. Ocean circulation, which is a powerful “conveyor belt” in the world’s oceans, was thus much weaker than at present, and consequently transported less heat to northern regions.

During the extended cold phases the ice sheets continued to thicken. When higher ice sheets prevailed over North America, typical in periods of intermediate sea levels, the prevailing westerly winds split into two branches. The major wind field ran to the north of the so-called Laurentide Ice Sheet and ensured that the sea ice boundary off the European coast shifted to the north. Ice-free seas permit heat exchange to take place between the atmosphere and the ocean. At the same time, the southern branch of the northwesterly winds drove warmer water into the ice-free areas of the northeast Atlantic and thus amplified the transportation of heat to the north.

The modified conditions stimulated enhanced circulation in the ocean. Consequently, a thicker Laurentide Ice Sheet over North America resulted in increased ocean circulation and therefore greater transportation of heat to the north. The climate in the Northern Hemisphere became dramatically warmer within a few decades until, due to the retreat of the glaciers over North America and the renewed change in wind conditions, it began to cool off again.

“Using the simulations performed with our climate model, we were able to demonstrate that the climate system can respond to small changes with abrupt climate swings,” explains Professor Gerrit Lohmann, leader of the Paleoclimate Dynamics group at the Alfred Wegener Institute, Germany. In doing so he illustrates the new study’s significance with regards to contemporary climate change. “At medium sea levels, powerful forces, such as the dramatic acceleration of polar ice cap melting, are not necessary to result in abrupt climate shifts and associated drastic temperature changes.”

At present, the extent of Arctic sea ice is far less than during the last glacial period. The Laurentide Ice Sheet, the major driving force for ocean circulation during the glacials, has also disappeared. Climate changes following the pattern of the last ice age are therefore not to be anticipated under today’s conditions.

“There are apparently some situations in which the climate system is more resistant to change while in others the system tends toward strong fluctuations,” summarises Gerrit Lohmann. “In terms of the Earth’s history, we are currently in one of the climate system’s more stable phases. The preconditions which gave rise to rapid temperature changes during the last ice age do not exist today. But this does not mean that sudden climate changes can be excluded in the future.”

Story Source:

The above story is based on materials provided by Alfred Wegener Institute, Helmholtz Centre for Polar and Marine Research. Note: Materials may be edited for content and length.

Are we on our way to the next ice age?  Long term climate models have proven to less than credible. Ice sheets are growing on both poles.  Your comments are most welcome.

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