Tag: extremes

The Climate Show #23: Durban and the return of the electric car

Grab some holly, deck your halls, heat up some mince pies, and then settle down to the last Climate Show of 2011. We look at the outcome of the Durban conference, discuss heavy rain in New Zealand and record-breaking weather extremes in the USA, and ponder the implications of news of more methane erupting from the seabed off Siberia. Glenn interviews Chris Paine, director of EV documentary Revenge of the Electric Car, and we round off the show with some optimistic news on possible energy solutions.

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The Climate Show #22: Durban doubts & Renwick on extremes

A crisp and crunchy show this week, as Gareth and Glenn interview Dr James Renwick about the IPCC’s cautious new report on extreme weather and the riskier future we all face. With added ruminations on the potential slowdown in international action at the Durban conference, record greenhouse gas levels reached in 2010, the prospect of “hyper warming” and the release of some lightly warmed over stolen emails. No debunking a la Cook this week, but he’ll be back soon, and we have news of the world’s first hybrid jet aircraft.

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Stormy weather: we’re making it worse, and there’s more on the way

The IPCC released the summary for policymakers of its Special Report on Managing the Risks of Extreme Events and Disasters to Advance Climate Change Adaptation (SREX) in Kampala, Uganda, on Friday (SPM, SREX site, launch presentation slides). The report concludes that globally there has been a significant decrease in cold days and nights and an overall increase in warm days and nights, that it’s likely that “anthropogenic influences” have led to warming of extreme daily minimum and maximum temperatures, and that heavy rainfall events are increasing in many areas. There has also been an increase in extreme coastal high water events.

The report also projects that it is “virtually certain” that increases in the frequency and magnitude of warm daily temperature extremes will continue through this century, and that there will be corresponding decreases in cold extremes. It’s also very likely that heat waves and warm spells will become more frequent and warmer. Heavy rainfall events are also expected to increase, and the proportion of rain falling in those events is likely to increase. There are also likely to be more problems from storm surges and sea level rises, an increase in droughts, and landslides in mountainous regions.

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Wake of the flood (first reprise)

EOBangkok20111025

Thailand is experiencing its worst monsoon flooding for at least 50 years. The NASA Earth Observatory image above shows the waters piling up to the North of the capital Bangkok, which is already beginning to experience flooding (visit the EO page to see a comparison with earlier floods, and The Guardian for a striking set of flood pictures). The Thai government yesterday declared a five day weekend to allow the city’s inhabitants to make preparations. The intense monsoon season has also brought extensive flooding to Cambodia and northeastern India over the last couple of months, and destroyed a significant part of SE Asia’s rice crop. On the other side of the planet, heavy rain and flooding has been affecting Mexico, El Salvador, Costa Rica, Honduras, Guatemala, and Nicaragua. Jeff Masters reported that in the ten days up to October 20th, Huizucar in El Salvador received an astonishing 1.513 metres of rain.

At first glance, it looks like a continuation of the remarkable series of extreme weather events — especially heavy rainfall and flooding — that we’ve seen over the last few years. But apart from the human suffering and economic dislocation being experienced around the world, it appears there’s another interesting consequence of all this precipitation — it’s causing global sea level to fall.

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Butterfly futures flutter by

James Hansen’s latest discussion paper begins and ends with Monarch butterflies. He watches some on his property in Pennsylvania as they prepare to leave for their migration to Mexico and reflects on the prospects for their survival as a species as global warming takes hold. The Monarchs cross Texas on their way south, a difficult path this year over desolate, baked-out territory. Which leads Hansen to a spirited denunciation of “well-oiled Governors and Senators in Texas and Oklahoma” who assert that global warming is a hoax and help business-as-usual CO2 emissions to continue.

He addresses the question of whether the drought and fires in Texas can be attributed to global warming. The media have remained largely silent this year on possible connections between extreme weather events and human-made climate forcing, and Hansen asks whether scientists should be making more effort to draw public attention to the human role in climate anomalies.

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