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Climate Updater 1, July 12, 2019

Wherever you are on the climate spectrum (denier, dontcarer, panicer, hopefuler, scientist, engineer/scientist (me)) it's a good idea to keep up. It might make you vote for the right canidate or even join some good organization.

What follows is TODAY's news and the source is given. Following that are my opinions. And since I spent eight years at the Institute for Advanced Arrogance (in Cambridge, Massachusetts) and I am very, very tired of bad news....

1. The Yale Climate Connection is one of the best sites and one of my favorites. Being run by top people it is reliable and covers a lot. If you click the link you will have a heap of very good, on target reading. And the message is that climate change is causing lots of problems and will cause a lot more.

2. James Hansen has some good news. He is one of the pioneers in the fight against global warming. He was in change of all matters connected with earth science at NASA and deserves a NOBEL PRIZE. He is particularly pleased with what Germany is trying to do. This link will take you to his website.You do want to read his announcement about the German Proposal.

3. How climate change is making hurricanes more dangerous.

How does a hurricane form? Whether called hurricanes in the Atlantic Ocean, typhoons in the western Pacific Ocean, or cyclones in the Indian Ocean, strong tropical cyclones are an example of nature’s fiercest fury.

Are hurricanes getting stronger? The authors of that same 2013 study found a substantial regional and global increase in the proportion of the strongest hurricanes—category 4 and 5 storms. The authors attribute that increase to global heating of the climate: “We conclude that since 1975 there has been a substantial and observable regional and global increase in the proportion of Cat 4–5 hurricanes of 25–30 percent per °C of anthropogenic (human-caused) global warming.”

Are hurricanes intensifying more rapidly? Rapid intensification, defined as an increase of wind speed of at least 35 mph in 24 hours, has recently garnered a lot of attention as a result of hurricanes like Harvey, Irma, Maria and Michael in 2017 and 2018. Examining the hurricane record in the Atlantic basin from 1986 to 2015, a recent study found rapid intensification increased 4.4 mph per decade. The study’s authors attribute most of the gains to a shift into the warmer phase of the Atlantic Multidecadal Oscillation, a natural cycle.

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