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THIRD UPDATE 12:36 AM EST, WEDNESDAY, DECEMBER 30:
As of early Wednesday morning temperatures at the North Pole had risen to 1.1 C or 34 degrees F representing the highest temperatures ever recorded at the North Pole for this time of year and the first time this region of the high Arctic has experienced temperatures substantially above freezing during Winter.
Winter (January) temperatures at the North Pole can range from about −47 to −13 °C (−53 to 9 °F), averaging around −31 °C (−24 °F). Summer temperatures (June, July and August) average around the freezing point (0 °C (32 °F)). The highest temperature yet recorded is 13 °C (55 °F),[55] much warmer than the South Pole's record high of only −12.3 °C (9.9 °F).[56
originally posted by: Psychoparrot
originally posted by: VoidHawk
And as soon as the storm is gone it'll all be back to normal, so....everything is just fine!
Well thank god for that! What a relief! Won't worry about things melting then.
Such a high, even if for a short duration, could impact the formation of winter sea ice, at a time when sea ice levels in spring, summer and fall are already at historic lows as a result of climate change.
Large temperature fluctuations in the Arctic are relatively common, notes Freedman, but such an anomaly is “extreme.” Indeed, according to meteorologist Bob Henson at The Weather Underground, there have been only three instances since 1948 when North Pole temperatures have hit or exceeded the freezing mark in December, and none in January through March
10 years ago “Arctic sea ice set a new record unlike anything previously observed. The 2015 low is 350,000 square miles below that. In fact, the nine lowest Arctic sea ice extents in the satellite record have all occurred in the last nine years.” This year’s sea ice minimum was the fourth smallest on record.
Sea ice during the winter maximum is becoming younger and thinner, whereas, in 1985, what is known as “very old ice” — ice that has survived several summer melt cycles — constituted 25 percent of the Arctic icepack. In 2015 that figure was a mere 3 percent.
Because it’s thinner, younger sea ice is less resistant to melting, and a high proportion of first-year ice means that the ice pack effectively must rebuild itself completely each winter.
Models suggest sea ice will disappear by 2100, but most Arctic sea ice experts are calling for an summertime ice-free Arctic by 2030
originally posted by: VoidHawk
Absolutely nothing to worry about
What we should worry about is the hugely increasing number of threads with alarmist titles, just take a look up ^^^ there^^^
The result is two time-series from two very different locations. Each series spans from 2000 to the end of 2010, and includes 3300 measurements from Alaska and 8300 measurements from Oklahoma obtained on a near-daily basis.
Both series showed the same trend: atmospheric CO2 emitted an increasing amount of infrared energy, to the tune of 0.2 Watts per square meter per decade. This increase is about ten percent of the trend from all sources of infrared energy such as clouds and water vapor.
So, if I am understanding correctly...the winter temp is about two degrees or so (so far) higher than the average highest summer temp? Don't hit me, just trying to understand!
originally posted by: Greven
originally posted by: VoidHawk
Absolutely nothing to worry about
What we should worry about is the hugely increasing number of threads with alarmist titles, just take a look up ^^^ there^^^
Careful. Your bias is showing.
Hey, if you want to turn weather into climate... here's some math for you:
Earth's atmosphere: 5,148,000 gigatonnes (Gt) = a
Mean molar mass of the atmosphere: 28.97g/mole = b
Carbon Dioxide (CO2) molar mass: 44.0095 g/mole = c
Atmospheric CO2 parts per million (ppm), November 2014: 397.27 ppm = d
Atmospheric CO2 ppm, November 2015: 400.16 ppm = e
Atmospheric CO2 mass, November 2014 (a * (c / b) * d): 3,106.7812 Gt = f
Atmospheric CO2 mass, November 2015 (a * (c / b) * e): 3,129.4654 Gt = g
Atmospheric CO2 mass increase (g - f): 22.6842 Gt
That's only a partial representation of humanity's estimated emissions for the year, since the biosphere is still acting as a net sink. An increase in CO2 concentrations has been observed in real life conditions to reradiate thermal energy back to the surface:
The result is two time-series from two very different locations. Each series spans from 2000 to the end of 2010, and includes 3300 measurements from Alaska and 8300 measurements from Oklahoma obtained on a near-daily basis.
Both series showed the same trend: atmospheric CO2 emitted an increasing amount of infrared energy, to the tune of 0.2 Watts per square meter per decade. This increase is about ten percent of the trend from all sources of infrared energy such as clouds and water vapor.
This was a decade-long outdoor study. They controlled for a number of known other influences. The increase in CO2 over that decade increased thermal radiation (0.18, which increases temperature.
So, let's look at historical data
Atmospheric CO2 parts per million, 2000 mean: 368.80 ppm = h
Atmospheric CO2 parts per million, 2010 mean: 388.58 ppm = i
Atmospheric CO2 mass, November 2000 (a * (c / b) * h): 2884.2134 Gt = j
Atmospheric CO2 mass, November 2010 (a * (c / b) * i): 3038.9036 Gt = k
Atmospheric CO2 mass increase (k - j): 154.6902 Gt
An increase of 15.46902 Gt/yr (2000-2010). Compare that with the 22.6842 Gt/yr increase from 2014-2015.
By the formula ΔF = K * ln(g / h) W/m^2, forcing should be...
K = 5.35: 0.2795 W/m^2
But, at 'about 0.2 W/m^2', let's go with actually observed in real life conditions: 3.83
K = 3.83: 0.2001 W/m^2.
Of course, that's apparently only 1/10th of the actual thermal radiation increase... keep in mind that an increase of 1ºC is estimated to require an increase of 3.7 W/m^2; 0.2001 W/m^2 would be 0.054ºC - from CO2 alone.
What about 2000-2015 (ΔF = K * ln(e / i) W/m^2): 0.3126 W/m^2. Looks like the average for the last 15 years is a bit higher than the average from 2000-2010.
If we suppose that also is about 10% of the actual increase, well...
However, this thread is about the weather; not climate change:
It is indeed an exceptional event. Some might attribute it to climate change, but it's very difficult to prove such causality.
originally posted by: marg6043
a reply to: Blackmarketeer
Finally the weather channel is talking about the storm in the north pole, it said that is warmer than in California right now.