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Archive for Extreme Weather

U.S. Open at Bethpage Black hit by “global warming type” of record rainfall — Tiger Woods falls victim to a bad draw and bad putting

Wednesday, June 24th, 2009

They called this year’s U.S. Open “Bathpage.”

And yes, Tiger Woods lost, even though I called him an “all-climate player” after he won “the brown British Open” at drought-stricken Royal Liverpool in 2006 and the “Hottest Major of All Time.” In fact, I had predicted “No doubt he’ll some day win the ‘wettest major of all time,’ too” — but a bad draw and bad putting thwarted him, as I’ll discuss at the end.

And this was a bath.  As Newsday reported Thursday evening about the rainsoaked first day,

The golf-hating storm system that soaked the U.S. Open tournament in Farmingdale Thursday broke records for the date in Long Island and New York City, continuing a streak that may make this one of the wettest Junes on record, according to the National Weather Service….

“If this keeps up, New York City could see its rainiest June”….

A weather station at Long Island MacArthur Airport recorded 1.53 inches by 8 p.m., beating its previous record of 1.44 inches.

The 2.26 inches that fell at Kennedy Airport shattered the record of 1.49 inches set in 1972.

I’m going to borrow and modify a term from the scientific literature and call this a “global-warming-type” deluge — see Must-have PPT: The “global-change-type drought” and the future of extreme weather.  After all, this type of extreme downpour is precisely what climate science projects would happen when you put more water vapor into the air.  And it is precisely what major peer-reviewed studies have shown the United States has been experiencing in the past few decades (see Why the “never seen before” Fargo flooding is just what you’d expect from global warming, as Obama warns):

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Why does the New York Times hate science? Why do deniers like Pielke shout down any talk of a link between climate change and extreme weather?

Monday, June 22nd, 2009

Would the New York Times have Bernard Madoff as a business columnist?  Only if they hated business.

So why does the NYT let John Tierney write a “science” column?  The “founding principles” of his NYT blog are the clearest anti-scientific statement you will ever find by anybody claiming to be covering science (see “here“).

And, of course, Tierney makes up stuff up to smear real scientists (such as John Holdren and Steven Chu), which is only science as practiced by “political” scientists, like, say Roger Pielke, Jr.  And that’s my segue.

Why does anyone who cares about science quote Roger Pielke, Jr. on scientific matters? We’ve already seen one major NYT reporter tarnish his reputation by relying on Roger Pielke Jr.’s anti-scientific –  and anti-scientist — disinformation (see here).

Pielke has launched what is both the lamest and the most intellectually dishonest attack in his career — on a few innocuous sentences in the terrific new NOAA-led report, Global Climate Change Impacts in the United States.  This attack has been pimped by Swift-boat smearer Morano and Tierney.   Pielke has one primary mission in his professional career — other than working with his colleagues at The Breakthrough Institute (TBI) to spread disinformation aimed at stopping any serious climate action, of course — and that is to shout down any talk of a link between climate change and extreme weather.

As we’ll see, Pielke’s obsession on this point is so extreme that he trashes the reputation of any scientist who even suggests that there is the tiniest link whatsoever between climate change and extreme weather — even though he himself has stated such a link exists.  Indeed, he has smeared the integrity of many hundreds of the country’s top scientists for merely sitting through a discussion of the issue that doesn’t meet his extreme form of political correctness (see here).

Pielke launches the strongest possible accusation on his blog — “misrepresenting science in a government report” — on the basis of four sentences in this 196-page, 13-agency report:

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AP, Washington Times: “Experts suspect global warming may be driving wild climate swings that appear to be punishing the Amazon with increasing frequency”

Wednesday, June 10th, 2009

A man rows through a flooded street in Trizidela do Vale in Brazil's northeastern state of Maranhao. Flooding is common in the world's largest remaining tropical wilderness. But this year, the waters rose higher and stayed longer than they have in decades, leaving fruit trees entirely submerged. (Associated Press)Big media struggles with how — or even whether — to explain to the public that the increase in extreme weather we are seeing is precisely what scientists have been predicting would occur because of human-caused climate change (see, for instance, “CNN, ABC, WashPost, AP, blow Australian wildfire, drought, heatwave “Hell (and High Water) on Earth” story — never mention climate change“).

But the AP and the Washington Times has explained quite well (here) the likely source of Brazil’s double punch — brutal drought followed by brutal flooding, Hell and High Water:

Across the Amazon basin, river dwellers are adding new floors to their stilt houses, trying to stay above rising floodwaters that have killed 48 people and left 405,000 homeless.

Flooding is common in the world’s largest remaining tropical wilderness, but this year the waters rose higher and stayed longer than they have in decades, leaving some fruit trees entirely submerged.

Farmer Nelci de Fatima Goncalves pulls a cow across a cracked field caused by a drought in Passo Fundo, Rio Grande do Sul, Brazil, last month. Southern Brazilian states far from the Amazon have suffered from an extended drought, caused by La Nina, a periodic cooling of waters in the Pacific Ocean. (Associated Press)The surprise isn’t just the record flooding, it’s that the flooding followed record droughts:

Only four years ago, the same communities suffered an unprecedented drought that ruined crops and left mounds of river fish flapping and rotting in the mud.

Experts suspect global warming may be driving wild climate swings that appear to be punishing the Amazon with increasing frequency.

The BBC also got the story right last month, “Experts say global warming may be behind the wild climate swings that have brought periods of unprecedented droughts and flooding to the Amazon in recent years.”

Interestingly, the same exact swings in extreme weather hit Louisiana in 2005, as I wrote in my book Hell and High Water:

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Marc Morano’s banner headline: “Did global warming help bring down Air France flight 447?”

Thursday, June 4th, 2009

What is that wacky Swift boat smearer Marc Morano up to?  I don’t visit his website, of course, since it is filled with disinformation and apparently he is too busy to blog.

But somebody sent me the story and the link to his website, and then I noticed that Morano links to stories here on CP, strangely enough, so I thought I would return the favor this one time.

Anyway, one would suppose the Swift Boat Smearer is being mockingly humorous or satirical, like his namesake, Jonathan Swift, by making this article his banner headline.  But then really most of the articles Morano links to merit mocking or satire –  “GORE LIED:  Global temperatures plunge further; have dropped .63?F (.35?C) since Al Gore released An Inconvenient Truth” [he kills me!] — so you really can’t tell whether his whole damn website is just some sort of elaborate performance art, like something Andy Kaufman would have done.

Anyway, if we drop the part of the story that connects things to global warming — which is beyond tenuous — the article itself, from Russia Today, has some interesting stuff on the weather conditions over the Intertropical Convergence Zone that can make for “white knuckle” flying:

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A Stormy Forecast for U.S. Agriculture

Thursday, June 4th, 2009

The link between global warming and extreme weather events is evident – much as conservatives try to deny this reality (see “Why do the deniers try to shout down any talk of a link between climate change and extreme weather?“).  Research predicts that the trend will intensify, most likely causing more crop losses for farmers.  This piece by guess blogger Tom Kenworthy, a Senior Fellow at the Center for American Progress, was first published here.  The picture is of a sign outside the Iowa Welcome Center, which was partially submerged by flood water on June 15, 2008.

Farm belt lawmakers are posing a challenge to passage of clean-energy legislation in Congress because of a proposed Environmental Protection Agency ruling that they claim could make it harder for ethanol produced from corn and other U.S. crops to meet the federal renewable fuel standard under a 2007 law. But torpedoing the American Clean Energy and Security Act, H.R. 2454, would actually hurt farmers because harms linked to global warming—including drought, flooding, and other crop damage—would continue unabated.

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Nature: Hurricanes ARE getting fiercer — and it’s going to get much worse

Sunday, May 31st, 2009

cycloneHurricane season officially begins tomorrow.  So I’m updating one more 2008 post on the science.  Last September, Nature published a major analysis that supports my 2-parter (Why global warming means killer storms worse than Katrina and Gustav, Part 1 and Part 2).  As Nature explained:

scientists have come up with the firmest evidence so far that global warming will significantly increase the intensity of the most extreme storms worldwide.

The maximum wind speeds of the strongest tropical cyclones have increased significantly since 1981, according to research published in Nature this week. And the upward trend, thought to be driven by rising ocean temperatures, is unlikely to stop at any time soon.

The team statistically analysed satellite-derived data of cyclone wind speeds. Although there was hardly any increase in the average number or intensity of all storms, the team found a significant shift in distribution towards stronger storms that wreak the greatest havoc. This meant that, overall, there were more storms with a maximum wind speed exceeding 210 kilometres per hour (category 4 and 5 storms on the Saffir–Simpson scale)….

“It’ll be pretty hard now for anyone to claim that cyclone activity has not increased,” says Judith Curry, an atmospheric researcher at the Georgia Institute of Technology in Atlanta, who was not involved in the study….

“People should now stop saying ‘who cares, storm activity is just a few per cent up’,” says Curry. “It’s the strongest storms that matter most.”

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Why the “never seen before” Fargo flooding is just what you’d expect from global warming, as Obama warns

Friday, March 27th, 2009

[Note: I have tried to link to the relevant literature on extreme precipitation trends. If I've missed any, let me know.]

I actually think the science around climate change is real. It is potentially devastating,” Obama told reporters Monday. “If you look at the flooding that’s going on right now in North Dakota and you say to yourself, ‘If you see an increase of two degrees, what does that do, in terms of the situation there?’ That indicates the degree to which we have to take this seriously.

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Besides Obama, the British and the Chinese understand global warming has driven their record flooding. The United States media? Not so much.

Certainly North Dakota is experience record-breaking flooding:

Flooding in the Red River Valley is reaching levels never seen before.

So wrote Noreen Schwein, water program director at National Weather Service central region headquarters. Fargo’s mayor calls the flooding “uncharted territory.”

But you’ll have to look very hard to find a single story in the mainstream media that even mentions climate change (other than the few quoting our President) — even though the record “once-in-a-hundred-year flooding” the Midwest now seems to be getting every few years or so is precisely what scientists have been expecting from the warming [see "Global warming causes deluges and flooding, just like the Midwest is seeing (again)."]

In fact, in 2004, the Journal of Hydrometeorology published an analysis by NOAA’s National Climatic Data Center that found “Over the contiguous United States, precipitation, temperature, streamflow, and heavy and very heavy precipitation have increased during the twentieth century.” [And yes, this applies to snow, depending on the location, see below.]

They found (here) that over the course of the 20th century, the “Cold season (October through April),” saw a 16% increase in “heavy” precipitation events (roughly greater than 2 inches [when it comes as rain] in one day), and a 25% increase in “very heavy” precipitation events (roughly greater than 4 inches in one day)– and a 36% rise in “extreme” precipitation events (those in the 99.9% percentile — 1 in 1000 events). This rise in extreme precipitation is precisely what is predicted by global warming models in the scientific literature.

In fact, the last few decades have seen rising extreme precipitation over the United States in the historical record, according to NCDC’s Climate Extremes Index (CEI):

An increasing trend in the area experiencing much above-normal proportion of heavy daily precipitation is observed from about 1950 to the present.

Here is a plot of the percentage of this country (times two) with much greater than normal proportion of precipitation derived from extreme 1-day precipitation events (where extreme equals the highest tenth percentile of deluges, click to enlarge):

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Must-have PPT: The “global-change-type drought” and the future of extreme weather

Wednesday, March 11th, 2009

[Please Digg this post by clicking here.]

overpeck-small.jpg

This must-have slide (click to enlarge) comes from a 2005 study, “Regional vegetation die-off in response to global-change-type drought.” I first saw it in a powerful 2005 presentation by climatologist Jonathan Overpeck, “Warm climate abrupt change–paleo-perspectives,” that concluded “climate change seldom occurs gradually.”

Overpeck noted that the 2005 study, together with the recent evidence that temperature [in red] and annual precipitation [in blue] are headed in opposite directions in the U.S. Southwest, raises the question of whether we are at the “dawn of the super-interglacial drought.”

Before explaining why I like this slide and how it shows the future of extreme weather, I need to review the conclusion of the study, which was led by the University of Arizona, with Los Alamos National Laboratory and the U.S. Geological Survey:

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Why do the deniers try to shout down any talk of a link between climate change and extreme weather?

Thursday, March 5th, 2009

The science makes clear that many extreme weather events have increased in recent years — and that there is a link to climate change. The point is such well-established science that even that bastion of denial, the Bush Administration, acknowledged it in a major 2008 report, Weather and Climate Extremes in a Changing Climate (see here and below).

But the deniers and their allies, the denier-eqs, try to attack, mock or shout down any talk of such a link whatsoever. That was a key point of Michael Crichton’s book, State of Fear (see here). Some denier-eqs go so far as to claim that any scientist even hearing anyone talk about the link and not objecting is a “willing silent collaborator” in the “misrepresentation of climate science for political gain.”

This is political correctness — but not scientific incorrectness — taken to a Category 5 extreme.

I offer my explanation for why deniers and their allies adopt this strategy below, but first, it is worth noting that this shouting down strategy is so important to them it goes back more than a decade:

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Pielke in Nature: “Clearly, since 1970 climate change … has shaped the disaster loss record.”

Tuesday, March 3rd, 2009

In 2006, Nature published (subs. req’d) a news story, “Insurers’ disaster files suggest climate is culprit” (PDF here) that began:

Insurance companies, acutely aware of the dramatic increase in losses caused by natural disasters in recent decades, have been convinced that global warming is partly to blame. Now their data seem to be persuading scientists, too. At a recent meeting of climate and insurance experts, delegates reached a cautious consensus: climate change is helping to drive the upward trend in catastrophes.

The meeting, held near Munich on 25–26 May, was jointly organized by Munich Re, the world’s largest reinsurance company, and the University of Colorado in Boulder. It brought together climate, atmosphere and weather researchers with economists and insurance experts to discuss what could be behind recent disaster losses, both economic and human….

Delegates seem to have found the record persuasive. Their consensus statement, to be released on 8 June, says there is “evidence that changing patterns of extreme events are drivers for recent increases in global losses”….

“Dissent over the issue is clearly waning,” says Peter Höppe, head of Munich Re’s Geo Risks department, who co-chaired the workshop with Roger Pielke Jr, director of the University of Colorado’s Center of Science and Technology Policy Research. “Climate change may not be the dominant factor, but it has become clear that a relevant portion of damages can be attributed to global warming.”

Previously sceptical, Pielke says that he is now convinced that at least some of the increased losses can be blamed on climate: “Clearly, since 1970 climate change has shaped the disaster loss record.”

I am posting this mainly to show that many serious people have weighed in on this issue and many articles — including peer-reviewed articles (see below) — have made a strong case for a link between the trend in extreme weather disasters and climate change.

Remember, Nobel Prize winner Al Gore has been accused of being “guilty of inaccuracies and overstatements,” in the New York Times for suggesting there is such a link (see “Unstaining Al Gore’s good name, Part 2.” And Roger Pielke, Jr. said that the 3000 scientists listening to Gore at the AAAS meeting were “willing silent collaborators” to “the misrepresentation of climate science” because they did nothing while Al Gore made the link, albeit with very careful wordchoice (see “Unstaining Al Gore’s good name, Part 1“).

Now, in fairness (!) to Pielke, he has an incredibly elaborate explanation of what he was really trying to say (in this 2006 blog post). In my headline, I included an ellipsis because here is Pielke’s full quote:

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