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Archive for the ‘Extreme Weather’ Category

Global boiling: Freak storms on every continent

Wednesday, March 17th, 2010

I actually think the science around climate change is real. It is potentially devastating,” Obama told reporters Monday [March 24, 2009]. “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.

The media love to focus on the few extreme weather events that they (mistakenly) believe are inconsistent with human-caused climate change [see "Was the 'Blizzard of 2009' a 'global warming type' of record snowfall — or an opportunity for the media to blow the extreme weather story (again)?"].  But will they keep ignoring all the extreme weather that scientists have been predicting for years would become more common as we pour more heat trapping gases into the atmosphere?

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Accuweather’s Joe Bastardi admits, “Earth continues warmest winter since satellite measurements started” and “Feb should be warmest on record!!!”

Monday, March 1st, 2010

UPDATE:  Joe Bastardi replies to this post in the comments here.

UAH winter 2010

Ah, the anti-science crowd.  Their much-vaunted satellite data shows record smashing temperatures (make your own chart here).  So what’s a disinformer to do?  You either have to tie yourself in knots to explain how a rather moderate El Niño could be to blame — or go after the satellite data.  And the latter is coming, I’m sure.

But Accuweather’s meteorologist Joe Bastardi is a satellite-data-ophile, so he chooses the knot-twisting approach in his must-read stream of consciousness “European Blog,” which certainly wins the gold medal for self-contradiction.  What is so incredible about this blog is that it resides on one long page, so you’d think Bastardi might occasionally go back and look and see if what he just wrote doesn’t contradict something he wrote a little earlier.

Look at Saturday’s post:

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Climate, energy and the Olympics’ future

Monday, March 1st, 2010

Our guest blogger is long-time commenter Richard Brenne.  He’s an award-winning screenwriter who teaches a NASA-sponsored on-line Global Climate Change class, serves on the American Meteorological Society’s Committee to Improve Climate Change Communication.  His previous post was “What can the Winter Olympic sports tell us about climate change?

Vancouver will never host another Olympics.  Okay, another Winter Olympics.  They could’ve much more easily held the Summer Olympics there these last two weeks.  In uncertain economic times the key to affordably hosting future Olympic games will be to use existing infrastructure and host them again as has happened in St. Moritz, Innsbruck, Lake Placid and Los Angeles.

Global warming is the reason Vancouver will never host another Winter Olympics.  They barely dodged (biathlon) bullets at dozens of events, and the Olympic Committee would rather use Donald Trump’s hair as the Olympic flame than go through this again.  Climate change is all about likelihoods of things like the record warmth Vancouver has had increasing, and the Olympic Committee rolled Jim Hansen’s dice and came up snake eyes.

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An amazing, though clearly little-known, scientific fact: We get more snow storms in warm years!

Monday, February 15th, 2010

Everybody talks about the weather, but few read the scientific literature about it.

The anti-science crowd has been doing a killer job pushing the myth that the big recent snowstorms somehow undercut our understanding of human-caused global warming.  But aside from the fact the precipitation isn’t temperature, it turns out that the “common wisdom” the disinformers are preying on — lots of snow means we must be in a cold winter — isn’t even true.

Let ’s look at the results of an actual, detailed study of “the relationships of the storm frequencies to seasonal temperature and precipitation conditions” for the years “1901–2000 using data from 1222 stations across the United States.”  The 2006 study, Temporal and Spatial Characteristics of Snowstorms in the Contiguous United States (Chagnon et al., 2006) found we get more snow storms in warmer years:

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Must re-read statement from UK’s Royal Society and Met Office on the connection between global warming and extreme weather

Saturday, February 13th, 2010

We expect some of the most significant impacts of climate change to occur when natural variability is exacerbated by long-term global warming, so that even small changes in global temperatures can produce damaging local and regional effects. Year on year the evidence is growing that damaging climate and weather events — potentially intensified by global warming — are already happening and beginning to affect society and ecosystems. This includes:

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Is that airlifted snow on your Olympic ski mountain, or is your enormous helicopter just happy to see me?

Thursday, February 11th, 2010

WARNING:  This post contains the following brain-busting quote from a Vancouver Olympic official –  “We really shattered the all-time [temperature] record,” he said. “It’s El Niño, and there’s something else that nobody understands at this point. It’s El Niño Plus.”

In one of the greatest coincidences in human history, Vancouver just blew out its monthly temperature records a mere three years after the Intergovernmental Panel on Climate Change said warming in the climate system is unequivocal:

January temperatures were the warmest on record and the trend is continuing this month, says Environment Canada meteorologist Matt McDonald, one of 30 forecasters working the Winter Games.

This year, the average temperature in January was 44.9 degrees, besting the previous warm record of 43.3 in 2006 and well above the historic average of 37.9 degrees, according to Environment Canada weather data.

McDonald says the mild temperatures are expected to continue, and rain — not snow — is expected for much of the week.

A Canadian Air-Crane helicopter lifts snow to the Cypress Mountain snowboarding venue. The company is the largest helicopter logger and heavy-lift helicopter business in Canada.This is the first time in history that Erickson Air-Crane’s “specially fitted Sikorsky S-64 has been hired to make it snow,” USA Today reported this week.  [The website Jalopnik is the source of the top picture and the headline.]

But no, we’re not going to calculate the carbon footprint of this effort.  Why should we?  It’s just a coincidence that it’s been so damn warm, right?

Everyone knows you can’t make a direct connection between carbon emissions and this January in Vancouver which is so damn warm it crushed the record set so long ago that toddlers can’t even remember it.  It’s just a coincidence that we are now in the warmest winter globally in the satellite record.

It’s just like that chain-smoking guy who got lung cancer.  The fact that he smoked two packs a day is a coincidence.  You can’t prove it — so keep smoking, already.  Sure the statistics show the warming footprint — Record high temperatures far outpace record lows across U.S. — but individual events are just coincidence.  I’m telling you.

BUT this type of purely coincidental extremely warm weather is completely consistent with the predictions of climate science.  Indeed climate science says we are likely to see far, far worse, far, far more often.  So that means those crazy folks in other countries who don’t believe it’s all just a coincidence feel obliged to maybe, possibly do some thinking about what it all means for the Winter Olympics, as AFP reports:

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Record high temperatures far outpace record lows across U.S.

Thursday, February 11th, 2010

Spurred by a warming climate, daily record high temperatures occurred twice as often as record lows over the last decade across the continental United States, new research shows. The ratio of record highs to lows is likely to increase dramatically in coming decades if emissions of greenhouse gases continue to climb.

This study came up on the press call.  The key point is that you can’t draw conclusions about the climate from any single weather event, but instead need to do statistical analyses across large regions to understand what is happening.

temps

I blogged on this study 3 months ago, but when I mentioned it on the call, the journalist hadn’t heard about it.  It is timely to repost especially since I’ll be doing a lot of media in the next few days and sending people to this website.  Apologies to regular readers for the repetition, but you’re going to see more in the coming days as it’s increasingly we need to start over on explaining the science to the media and public.

And yes it is worth noting, as one reader did, that the study left out Alaska, the state where temperatures are rising the fastest.  Including it would likely have increased the trend.

Here is an explanation of the figure, followed by a video by the lead author discussing it:

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Welcome readers of the NYT’s front-page climate story with the bad headline

Thursday, February 11th, 2010

People here because of the NYT link might want to start with “An Introduction to Climate Progress” and other “Most Popular Posts” on the sidebar.  My bio is here.

I’m featured in John Broder’s story, “Climate-Change Debate Is Heating Up in Deep Freeze.“  Before getting to the story, I must comment once again on how a dreadful headline mars an otherwise fairly reasonable story for the NY Times.

We are not in a deep freeze.  Quite the reverse.

Let’s see.  The 2000s were easily the hottest decade on record (as NASA and  NOAA and the World Meteorological Organization report).  And 2009 was one of the hottest years on record — tied for second hottest in NASA’s dataset.  And we are now in the warmest winter globally, as I noted in my Monday post, “Massive moisture-driven extreme precipitation during warmest winter in the satellite record — and the deniers say it disproves (!) climate science.”

Heck, even over the tiny fraction of the planet’s surface that is the continental United States, NOAA just reported that January was “0.3 degrees above the long-term average” — notwithstanding the media coverage (and hype by the anti-science ideologues) that might have left you with the serious misimpression last month was unusually cold.

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Massive moisture-driven extreme precipitation during warmest winter in the satellite record — and the deniers say it disproves (!) climate science

Monday, February 8th, 2010

Memo to anti-science crowd:  Precipitation isn’t temperature!

UAH 2-6

Another massive mid-Atlantic precipitation event, another piece of nonsense from the anti-science crowd.   Kevin Mooney of the American Spectator actually wrote an article titled, “Snowmageddon” Versus “Overwhelming Scientific Evidence,” which asserts:

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Preparing For Frankenstorms: “The most powerful low pressure system in 140 years of record keeping” slams the Southwest.

Tuesday, January 26th, 2010

This is a guest repost from Wonk Room’s Brad Johnson.  I may need to add a new category — uber-extreme weather.  The anti-science crowd has been strangely silent about this uber-storm, though they love to tout cold snaps as evidence of nonexistent global cooling (see “Disinformers to media: Please make case for something that isn’t true using data we don’t believe“).  For more on the records set by this story, see Capital Climate’s “Strong Pacific Coast Storm Breaks Rainfall, Low Pressure Records.”

California Winter Storm 2010The “strongest winter storm in at least 140 years,” swept through the Southwestern United States last week, “bringing deadly flooding, tornadoes, hail, hurricane force winds, and blizzard conditions.” Rain dumped on Los Angeles, San Diego, and Phoenix, as mountains received up to four feet of snow. Wind gusts exceeding 90 miles per hour, tornadoes, and water spouts spun off the monster storm. Over 159,000 people lost power in the storm’s wake. Meteorologist Dr. Jeff Masters wrote on Friday that the storm was “truly epic”:

We expect to get powerful winter storms affecting the Southwest U.S. during strong El Niño events, but yesterday’s storm was truly epic in its size and intensity. The storm set all-time low pressure records over roughly 10 – 15% of the U.S.–over southern Oregon, and most of California, Nevada, Arizona, and Utah.

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Are meteorologists climate experts?

Thursday, January 21st, 2010

Meteorologists are not required to take a course in climate change, this is not part of the NOAA/NWS [National Oceanic and Atmospheric Administration/National Weather Service] certification requirements, so university programs don’t require the course (even if they offer it). So we have been educating generations of meteorologists who know nothing at all about climate change.

Columbia Journalism Review has a fascinating article, “Hot Air:  Why don’t TV weathermen believe in climate change?“  Because people seem to think they should know something about climate, (anti-science) weathermen get undo attention in the (right-wing) media — see “Meteorological Malpractice: Accuweather’s Joe Bastardi pushes the “70s Ice Age Scare” myth again” and “Bastardi: “Global cooling is actually a cause of drought in California”.

moon-hoax.jpgHeck, a former TV weatherman has the most popular anti-science website in the world, WattsUpWithThat.  And of course, Weather Channel Founder John Coleman, a subject of the CJR piece, asserted in 2007 that global warming is “the greatest scam in history,” which puts him in the conspiracy wing of the disinformers with the now discredited Anthony Watts.  [Doesn't everyone know that the greatest scam in history is the whole moon-landing nonsense?]

The answer to the question, “Are meteorologists climate experts?” is “no,” or I should say, “not inherently.”  That’s clear from the CJR story (excerpted below) and from the opening quote of this post, which comes from an interview I did a few years ago with Dr. Judith Curry, Chair of the School of Earth and Atmospheric Sciences at the Georgia Institute of Technology.  [Yes, that Judith Curry, who wrote "an open letter to graduate students and young scientists in fields related to climate research"].

I originally asked the question in 2007 when Coleman wrote that now-infamous article claiming global warming is “the greatest scam in history,” and explained the source of his conspiracy theory:

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Australian Scientists: Contrary to media reports, “our paper does not discount climate change as playing a role in this most recent drought, the ‘Big Dry’. In fact, there are indications that climate change has worsened this recent drought.”

Tuesday, January 19th, 2010

Aussie temps

Australia is most definitely getting hotter, much as the entire planet has, much as climate scientists have been predicting would be the inevitable result of unrestricted emissions of heat-trapping greenhouse gases.

The figure is from the “Annual Australian Climate Statement 2009,” which notes:

2009 ends Australia’s warmest decade on record, with a decadal mean temperature anomaly of +0.48°C (above the 1961-90 average). In Australia, each decade since the 1940s has been warmer than the preceding decade. In contrast, decadal temperature variations during the first few decades of Australia’s climate record do not display any specific trend. This suggests an apparent shift in Australia’s climate from one characterised by natural variability to one increasingly characterised by a trend to warmer temperatures.

At the same time, parts of Australia are getting drier, much as as climate scientists have been predicting would be the inevitable result of unrestricted emissions of GHGs.  And Dr. Bertrand Timbal, of the Bureau of Meteorology’s Centre for Australian Weather and Climate Research (CAWCR), concludes in his paper, “The continuing decline in South-East Australian rainfall: update to May 2009”:

The recent 12 year, 8 month period is the driest in the 110 years long record, surpassing the previous driest period during WWII….

This change in the relative contributions by the autumn and spring seasons now more closely resembles the picture provided by climate model simulations of future changes due to enhanced greenhouse gases.

So it was odd that Andy Revkin tweeted to disagree with the following statement in a recent guest essay by Auden Schendler and Mark Trexler (“The coming climate panic?  Will U.S. conservatives usher in the era of permanently big government?“):

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So it’s in the 50s in DC again — and the global temperature is still breaking records for January!

Monday, January 18th, 2010

I’m just saying (see “Paging Neil Cavuto: UAH global satellite data has record WARMEST day for January“).

Yes, the UAH satellite data just keeps going up (click to enlarge):

UAH2 small

This shouldn’t be terribly surprising:  Long-term global warming trend + moderate El Niño = record temperatures, as predicted by NASA climate scientists, among others.

But it has the anti-science crowd scrambling for alternative explanations, since it just seemed so friggin’ cold out for a few days, which everybody knows is the best way to figure out climate trends.  Anyway, here’s everyone’s favorite Czech anti-science guy:

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Climate Crock video on cold snap vs. global warming

Sunday, January 17th, 2010

Another excellent video by Peter Sinclair, the guy who proved former TV weatherman Anthony Watts knows as much about copyright laws as about climate science.

More “Climate Crock of the Week” videos here.

Paging Neil Cavuto: UAH global satellite data has record WARMEST day for January

Friday, January 15th, 2010

Yes the anti-science crowd, from WattsUpWithThat to FoxNews, have been touting cold snaps over a small fraction of the globe as evidence of the non-exist cooling trend (see “disinformers to media: Please make case for something that isn’t true using data we don’t believe“).

Well now even they have been forced to acknowledge that the global record that’s going to be set this month is, in all likelihood, for warming — because it is showing up on their beloved satellite data (click to enlarge).

UAH 1-10

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FoxNews’ Neil Cavuto still thinks winter chill disproves global warming; actual scientists disagree

Tuesday, January 12th, 2010

Last week I went on FoxNews so Neil Cavuto could diss global warming because it was cold outside.  Shockingly, I failed to persuade him that no one ever said global warming would turn January into July — though at least he seems to have internalized my message as the “Duh!” part of his opening in the above compilation.  Think Progress has the whole, sad story in this repost:

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Following third warmest November, December not even close to contiguous U.S. record for cold

Saturday, January 9th, 2010

It was relatively cool over CONUS in December, but not closet to record-shattering, as NOAA’s National Climatic Data Center reported (see below).  And, as Capital Climate notes, this 14th coldest December followed the third warmest November.

Also, Alaska had its 17th warmest December.  It’d be nice if NCDC would combine the two in reporting, since Alaska is getting baked these days.

It was a relatively warm year (again), part of a long-term warming trend even over the tiny fraction of the Earth that CONUS covers, as NCDC reports:

CONUS09

So, no, we’re  not cooling, as inaccuweather meteorologist Bastardi asserts, not even in the contiguous United States.  If you’d like to see just how non-record-breaking December was for CONUS, here’s the chart:

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Met Office: “It is not cold everywhere in the world.”

Friday, January 8th, 2010

Climate change is taking place as the earth continues to warm up.

In the UK, 2009 as a whole was the 14th-warmest on record (since 1914). This above-average temperature trend was reflected globally, with 2009 being the fifth-warmest year on the global record (since 1850).

It [the recent cold snap] doesn’t tell us anything about climate change, which has to be looked at in a global context and over longer periods of time.

LST anomalies WRT 1961-90

The UK’s Met Office, part of its Defence Ministry, has an excellent post, “What’s causing the cold weather?

They explain that unlike the usual weather pattern of the last 20 years, “over the past three weeks the Atlantic air has been ‘blocked’ and cold air has been flowing down from the Arctic or the cold winter landmass of Europe.”   They also note that December wasn’t record-breaking in terms of cold, but merely “the coldest for 14 years and colder than the long-term average.”

More significantly, the Met Office notes (and yes the figure above is their posting of last week’s land-surface temperature anomalies):

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Meteorological Malpractice: Accuweather’s Joe Bastardi pushes the “70s Ice Age Scare” myth again

Thursday, January 7th, 2010

Accuweather’s meteorologist Joe Bastardi likes to push anti-science global cooling conspiracy theories, which is no doubt why Fox News extremists like Bill O’Reilly love him (see O’Reilly’s weatherman, befuddled Bastardi: “Global cooling is actually a cause of drought in California”).

Now Bastardi has a new video, “Worldwide Cold not Seen Since 70s Ice Age Scare,” pushing a very old conspiracy theory.  Of course, he doesn’t actually talk about “worldwide cold,” but just some cold over maybe 20% of the Earth.  Nor does he explain there’s plenty of warmth elsewhere — see Australian weather bureau: “Central Pacific Ocean surface temperatures are now at their warmest level since the El Niño of 1997-98.″

Fig A2The video truly becomes meteorological malpractice when Bastardi compares today to the 1970s, utterly misleading viewers into thinking that a few days of cold weather over parts of the word somehow undoes the “unequivocal” warming of the Earth’s climate system that has been demonstrated through direct scientific observation in recent decades.  In fact, “The last 10 years are the warmest 10-year period of the modern record,” said NOAA climate monitoring chief Deke Arndt. “Even if you analyze the trend during that 10 years, the trend is actually positive, which means warming” (see Must-read AP story: Statisticians reject global cooling; Caldeira — “To talk about global cooling at the end of the hottest decade the planet has experienced in many thousands of years is ridiculous”).

Bastardi’s supposedly Accuweather’s expert long-range forecaster, but he’s predicting “we’re going to see more and more of the cold trending here over the next  20 to 30 years”!  Perhaps we should call him Inaccuweather meteorologist.

Since he repeats his old falsehoods, I’m going to reprint my old debunkings — Killing the myth of the 1970s global cooling scientific consensus and The NYT’s climate coverage in 1970s was a megaphone for science, not ‘global cooling’ alarmism.

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“Experts: Cold snap doesn’t disprove global warming”

Thursday, January 7th, 2010

… experts say the cold snap doesn’t disprove global warming at all — it’s just a blip in the long-term heating trend.

“It’s part of natural variability,” said Gerald Meehl, a senior scientist at the National Center for Atmospheric Research in Boulder, Colo. With global warming, he said, “we’ll still have record cold temperatures. We’ll just have fewer of them.”

Deke Arndt of the National Climatic Data Center in Asheville, N.C., noted that 2009 will rank among the 10 warmest years for Earth since 1880.

Leave it to the Associated Press to state the obvious starting with the blunt headline.  They’ve been doing some of the best straight reporting on human-caused climate change (see AP analysis of stolen emails: An “exhaustive review” shows “the exchanges don’t undercut the vast body of evidence showing the world is warming because of man-made greenhouse gas emissions.”)

In fact, 2009 ranks among the 5 warmest on Earth, and the entire planet just keeps warming thanks to human emissions (see Must-read AP story: Statisticians reject global cooling; Caldeira — “To talk about global cooling at the end of the hottest decade the planet has experienced in many thousands of years is ridiculous”).  It’s not just the surface that’s warming, but we’re also seeing it where climate science said more than 90% of the warming would end up — the oceans (see “Skeptical Science explains how we know global warming is happening: It’s the oceans, stupid!“)

Robert Henson, author of The Rough Guide to Climate Change also has a good piece in the UK’s Guardian, “Snow, ice and the bigger picture“:  The cold snap tells us little about climate change, but if you want something to blame it on, try the Arctic oscillation,” which notes:

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