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blizzard1024

2017 Global Temperatures

66 posts in this topic

Below are Pacific SST between 30S and 30N since 1987. The warming in the subtropical Pacific over the past 5 years is notable, particularly over the east. The recent brief nina had limited cooling impact off the equator.

sst.month.anom.pacific.lat.gif

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On 5/20/2017 at 2:50 PM, WidreMann said:

Yeah, seriously. What happened? It seems unlikely that we can blame this solely on climate change. But it's quite odd all the same.

Relaxed trade winds are probably contributing. Trade winds were unusually strong during the hiatus.

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So the question now is whether this giant heat burst dissippates (presumably slower due to CO2 and water vapor) or is it part of a rapid climate shift that could put us in deep trouble in even just a few years.

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6 hours ago, WidreMann said:

So the question now is whether this giant heat burst dissippates (presumably slower due to CO2 and water vapor) or is it part of a rapid climate shift that could put us in deep trouble in even just a few years.

The spike in warming in the past few years is probably a recovery from the relatively cool hiatus period. The long-term warming trend hasn't changed much.

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14 hours ago, chubbs said:

The spike in warming in the past few years is probably a recovery from the relatively cool hiatus period. The long-term warming trend hasn't changed much.

I would still expect some flattening as there are oscillations on the multi-year and decadal level that should keep us from being on a straight up warming track year after year. All the same, it's quite jarring.

The CFS dailies on WeatherBell are showing some reduction in global temps, especially NH, which has been so warm. This is, I think, the longest period since before the Nino that we've been this cool. We'll see if it lasts.

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