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North Atlantic Oscillation: Weathermen Identify Culprit Behind January's Fierce Snow Storms

STEPHANIE REITZ   01/21/11 07:10 PM ET   AP

Snow Storm

HARTFORD, Conn. — In Rhode Island, a mayor tells parents of snowbound schoolchildren to "hang in there." Atlanta has blown nearly all the money it set aside to clear the streets. In Connecticut, they're literally praying for winter to end. And at travel agencies, the phones are ringing with callers pining for tropical vacations – when the skies clear up enough to fly out, that is.

Just one month into winter, major cities up and down the East Coast have already gotten clobbered with more snow than they usually get all season, a one-storm-after-another barrage that is eating up snow-removal budgets and forcing schools to close.

And officially, winter still has two months left.

A new half-foot of snow tested the patience of residents in the Hartford area Friday, complicating a morning commute already made arduous by mountainous snowbanks that have not melted since a record-setting snowfall last week. Forecasters are calling for below-zero temperatures in New England over the weekend, followed perhaps by another big snowstorm along the East Coast, maybe even a blizzard.

"I'm spending a lot of time praying for spring," said Mark Boughton, mayor of Danbury, Conn., where back-to-back storms have been so bruising that crews haven't even had a chance to take down Christmas lights on Main Street.

More than 55 inches of snow has fallen this season on Hartford, which averages 46 inches in an entire winter. New York, which generally sees about 21 inches per winter, has gotten more than 36. Boston has 50 inches so far, compared with the usual 41.5-inch seasonal total.

Atlanta, which had its first white Christmas in decades, is reeling from about 6 inches so far this season, compared with the usual 0.3 inches for the whole winter.

The culprit is an unpredictable phenomenon called the North Atlantic Oscillation, an interaction of subtropical highs and polar lows that controls the flow of air along the East Coast, said Art DeGaetano, a Cornell University professor who directs the school's climate center. The colder air turns precipitation that would normally fall as rain into snow – even in the South.

Georgia officials think their $10 million reserve fund for emergencies is probably close to depleted. Fannin County, in northern Georgia, has lost nine school days and was foiled in a controversial attempt to keep up by holding classes on Martin Luther King Jr. Day.

"It's been one heck of a winter," said School Superintendent Mark Henson.

The storms have delayed or canceled countless flights at airports throughout the region, most famously during the post-Christmas blizzard in the New York area, where thousands of holiday travelers were stranded for days and the mayor faced a political crisis because of slow cleanup.

The nation's largest city burned through its entire snow removal budget of nearly $40 million on that storm, the season's first. It also came on a Sunday, meaning millions of dollars in overtime paid to city workers.

The city has had three more snowfalls since then, and Mayor Michael Bloomberg has dismissed questions about how it will pay for further cleanup. Streets are cleared first, he says, and the city figures out afterward where it can shift money.

In Wethersfield, Conn., the phone at Wethersfield Travel rings steadily with stranded travelers seeking help – and with new customers seeking a sunny respite.

"We're hearing from a lot of people who are sick of the snow and say they want to get away fast to somewhere warm," company owner Martha Kirsche said.

The season started out with little hint of what was to come.

The National Weather Service's official long-range winter forecast back in October amounted to a flip of the coin: The Northeast and Mid-Atlantic had equal chances of being snowier and colder than normal, and warmer and drier than normal.

The folks at the New Hampshire-based Old Farmer's Almanac and the Maine-based Farmers' Almanac didn't fare much better, the first predicting colder but less snowy weather for the eastern half of the U.S. and the latter forecasting colder weather and average snowfall.

"I got the cold part right," said Peter Geiger, editor of the Farmers' Almanac.

It's true that temperatures in much of the East have been 2 to 4 degrees below normal in December and January, DeGaetano said. In Washington, the temperature was 6 to 8 degrees colder than average in December and 2 to 3 degrees colder in January.

Still, forecasters say it is too soon to call this winter record-breaking.

"We've got a long way to go," said David Stark, a meteorologist with the National Service in Upton, N.Y., noting that New York City's 36 inches is a far cry from the record 75.6 inches that fell in 1995-96.

In Buffalo, N.Y., which gets about 93 inches of snow each season, residents yawn at suggestions that this winter is especially harsh. The lakeside city had received about 56 inches by Friday, typical for this time of year.

Louisiana native Joe Gardner, 39, started trolling Craigslist ads for a deal on a snowblower once he realized what he faced as a recent transplant to Burlington, Mass.

"This foot and a half every other day is getting kind of old," Gardner said Friday. "I had always heard how bad it is, but this is beyond what I expected."

In Providence, R.I., the city called off school Friday, the third snow day of the academic year.

Mayor Angel Taveras tweeted a sympathetic message to his constituents: "I know it's hard for parents. Hang in there."

__

Contributing to this report were Associated Press writers Michael Melia in Hartford; Kate Brumback in Atlanta; David Sharp in Portland, Maine; Sara Kugler Frazier in New York; Mark Pratt in Boston; Jeffrey Collins in Columbia, S.C.; George Walsh in Albany, N.Y.; Holly Ramer in Concord, N.H.; Karen Mahabir and Jessica Gresko in Washington; and Carolyn Thompson in Buffalo, N.Y.

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HARTFORD, Conn. — In Rhode Island, a mayor tells parents of snowbound schoolchildren to "hang in there." Atlanta has blown nearly all the money it set aside to clear the streets. In Connecticut,...
HARTFORD, Conn. — In Rhode Island, a mayor tells parents of snowbound schoolchildren to "hang in there." Atlanta has blown nearly all the money it set aside to clear the streets. In Connecticut,...
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fumes
Midnight Toker
08:20 AM on 01/25/2011
"The finding is one more element in a worldwide political controversy involving global warming. "Controversy about the current state and future evolution of Himalayan glaciers has been stirred up by erroneous reports by the Intergovernmental Panel on Climate Change (IPCC)," according to the paper.
"There is no 'stereotypical' Himalayan glacier," said Bookhagen. "This is in clear contrast to the IPCC reports that lumps all Himalayan glaciers together."
Bookhagen noted that glaciers in the Karakoram region of Northwestern Himalaya are mostly stagnating. However, glaciers in the Western, Central, and Eastern Himalaya are retreating, with the highest retreat rates –– approximately 8 meters per year –– in the Western Himalayan Mountains. The authors found that half of the studied glaciers in the Karakoram region are stable or advancing, whereas about two-thirds are in retreat elsewhere throughout High Asia. This is in contrast to the prevailing notion that all glaciers in the tropics are retreating."
http://www.physorg.com/news/2011-01-scientists-debris-himalayan-glaciers.html
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southingtonian
"I'm a Capricorn and you can't make me do sh*t.."
04:45 AM on 01/25/2011
the current school schedule was based on an agricultural society, when the children were needed to help on the farm from planting thru harvest. Perhaps we need to rethink this, be flexible, and allow local school systems to schedule accordingly. Some cities could avoid delays by shifting the school year to the warmer months, splitting into quarters, or planning for round the year school, with breaks determined locally. (perhaps not totally coherent at nearly 5am Tues, but you get the idea)
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thepostalfeminist
12:47 AM on 01/25/2011
http://www.skepticalscience.com/Global-Warming-Cold-Winters.html

More discussion on Global Warming and Cold Winter.
01:18 AM on 01/26/2011
Hello thepostalfeminist, from Australia. I am sitting here in 38c, 94percent humidity heat, melting on the floor. Not only from the temperature but from menopausal hot flashes and I can tell you that the weather here is weird. I have lived here in Nana Glen NSW for 17 years without experiencing these conditions. On Sunday (it's Wednesday now) we were searching for our winter clothes. Where I live we are used to floods, but not like this. Raging, changeable and unpredictable are apt descriptions of our weather pattern. Once our winters were severe; now I can grow tropical plants and not have to cover them from May to October. If there is anyone who wants to dispute that our weather is changing I would like to have a really intense debate with them. Personally, snow would be great at the moment. It is just soooo hot. Cheers, Chris xx
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thepostalfeminist
01:22 AM on 01/26/2011
Happy Australia Day Chris.
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Carol Gebert
10:28 PM on 01/24/2011
AGW-supporters like to claim that the ocean oscillations are driven by (CO2 forced) global warming. But maybe it is the other way around. Ocean oscillations drive global temperatures. Here is a paper with evidence, claiming just that: http://www.agu.org/pubs/crossref/2009/2008JD011637.shtml

So if the Pacific oscillation is entering a cold phase, and the Atlantic oscillation is doing the same, and if they do drive global climate, then a testable prediction is possible: The next few decades will be steadily colder.

Meanwhile, if AGW is true, and CO2 drives ocean oscillations, then the Pacific and Atlantic oscillations should come to a quick halt and resume their warm phases. Thus the prediction would be a resumption of the warming trend since the mid 1970s.

We shall find out soon which theory is right.
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Shan Wells
Sciencey sun venerator + political cartoonist
11:51 PM on 01/24/2011
Your paper is headed by a non- scientist. J McLean apparently has a Bachelors of Architecture degree, but no scientific qualification.

R.M. Carter has worked with Philip Morris to question the link between secondhand smoke and health risks, and has received $676,500 from ExxonMobil since 1998. His credibility is nil.

Here is what actual scientists had to say about this paper:

McLean et al. claim that the El Nin ̃o/Southern Oscillation accounts for as much as 72% of the global tropospheric temperature anomaly (GTTA) and an even higher 81% of this anomaly in the tropics. They conclude that the SOI is a “dominant and consistent influence on mean global temperatures,” and perhaps recent trends in global temperatures”. However, their analysis is inappropriate in a number of ways, and overstates the influence of ENSO on the climate system.

This comment first briefly reviews what is understood about the influence of ENSO on global temperatures, then shows that the analysis greatly overestimates the correlation between temperature anomalies and the SOI by inflating the power in the 2–6 year time window while filtering out variability on longer and shorter time scales.

The suggestion in their conclusions that ENSO may be a major contributor to recent trends in global temperature is not supported by their analysis or any physical theory presented in that paper, especially as the analysis method itself eliminates the influence of trends on the purported correlations.

http://www.jamstec.go.jp/frsgc/research/d5/jdannan/comment_on_mclean.pdf
RTIII
Poster of over 0.0135% of all HufPost comments
02:44 PM on 01/31/2011
Thank you for staying on top of these issues. I was about to reply - many days late, but better late than never! - when I saw your post.

Fanned a while back, and glad I did.
09:13 PM on 01/24/2011
Global weirding.
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ClimateHawk
Think before posting.
09:44 AM on 01/24/2011
It's really cold where I am. What about the rest of the world?

Wish I knew.

But here is how the last month looked across North America and up into the Arctic:

http://www2.ucar.edu/currents/cold-comfort-canadas-record-smashing-mildness
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fumes
Midnight Toker
11:05 AM on 01/24/2011
CH..

aren't you in TN?

how cold is it?
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Publicola
Reality has a scientific bias
11:22 AM on 01/24/2011
And in your mind that is relevant in this context... why, exactly?

Oh right, - you're just blowing fumes again.

------------------------------------------

Q; Why can't climate deniers understand the concept of global averages?

A: Because they are science deniers, of course.
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05:12 AM on 01/24/2011
I wish there was some way to share our good weather with the East Coast. We have had several weeks of temps mostly in the high 70s. We had a full week of rain about a month ago, but now I am ready for some more. The snow has mostly melted from the mountain tops, and we need more water here in Cali.
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fumes
Midnight Toker
11:03 AM on 01/24/2011
we will trade you water for temp..

fedex or brownie?
Robustus2
Proud Australopithecine heritage...
03:17 AM on 01/24/2011
It Was Global Warming...now it's Global Climate Change...it's so confusing and perplexig that we have only our faith in Jim Hansen an the GRU and the IPCC too weave a rational explanation around the facts. We have no choice but to believe that the different floods and coldspells are related to gloal cimate change, or we're fools. Redeem our faith with clear pragmatic evdence''!

Weather is variable, but climate change is a coherent theme. We need a coherent theme we believe that explains the woof and warp of weather events. Thank God the ISCC and the ECU have a credble explanation of how global change is expressed in various symptoms like desert deteriaion, flooding, and widespread seasonal cold waves.

We rely on the most prestigios government funded programs to dxplain it all clearly..That's our faith!
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ClimateHawk
Think before posting.
09:32 AM on 01/24/2011
I'm sorry you are feeling confused and perplexed.
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Publicola
Reality has a scientific bias
11:30 AM on 01/24/2011
Robustus2; "It Was Global Warming...­now it's Global Climate Change...i­t's so confusing ..."

Your are indeed confused.

For example, climate scientists have been using both terms for decades - what do you think the "CC" in "IPCC" stands for?

----------­----------­----------­----------­--

Q; Why can't science deniers understand that global warming leads to climate change?

A: Because they are science deniers, of course.
BlackbirdHighway
Brawndo's got electrolites!
10:39 PM on 01/23/2011
"temperatures in much of the East have been 2 to 4 degrees below normal in December and January"

Has anyone noticed the temperatures in Northern Canada are running as much as 50 degrees above normal? Above freezing and rain in Greenland? Most of Europe is above normal as well. We are seeing some mixed up weather patterns. I think 50 above normal trumps 4 below, but then not a lot of people live there so we don't care.
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05:13 AM on 01/24/2011
Thanks for the info. I did not know that.
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fumes
Midnight Toker
11:08 AM on 01/24/2011
mamacat..

you can go here http://www.wunderground.com/ and check temps worldwide!
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Publicola
Reality has a scientific bias
12:01 PM on 01/24/2011
fumes: "you can go here http://www­.wundergro­und.com/ "

Where amongst other things you can read the following article which is linked to from their home page:

------------------------------------------

Is the U.S. climate getting more extreme? ...

the National Climatic Data Center concludes that based on the Climate Extremes Index, the percentage of the U.S. seeing extreme temperatures and precipitation generally increased since the early 1970s. These increases were most pronounced in the summer. No trend in extremes were noted for winter. The annual CEI index plot averaged for all five temperature and precipitation indices (Figure 1) showed that four of the ten most extreme years on record occurred since 1996...

over the past decade, about 20% of the U.S. has experienced monthly maximum temperatures much above normal, and less than 5% has experienced maximum temperatures much cooler than normal. Minimum temperatures show a similar behavior, but have increased more than the maximums (Figure 3). Climate models minimum temperatures should be rising faster than maximum temperatures if human-caused emissions of heat-trapping gases are responsible for global warming, which is in line with what we are seeing in the U.S.
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ClimateHawk
Think before posting.
09:29 AM on 01/24/2011
Here's an update for Greenland published January 21:

http://iopscience.iop.org/1748-9326/6/1/014005

and summarized here: http://hot-topic.co.nz/2010-greenland-ice-sheet-melt-sets-new-record-2011-starts-warm/
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Busterman
No Comments means I'm right
09:20 PM on 01/23/2011
Just like winters in years passed
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Packattack
07:48 PM on 01/23/2011
I blame BP the oil spoil slowed the Gulf Stream which warms the Northern Atlantic and keeps the weather warmer. More fuel used to heat means more porfits.
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07:18 PM on 01/23/2011
HAARP.
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BevInSoCal
Worth the trouble
06:45 PM on 01/23/2011
At least they didn't blame Obama.
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Dave TN
I ym' what I ym' and that's all that I ym'
09:13 PM on 01/23/2011
Give 'em time.
09:16 PM on 01/24/2011
No, but Glenn Blech blamed Professor Frances Fox-Pivens for it.
03:32 PM on 01/23/2011
Without reading all the comments I'm going to go out on a limb here......perhaps because its Winter!
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Aimee Bellefleur Hogan
I'm still here. Is that micro enough?
08:59 PM on 01/23/2011
Yes, Ma'am! It certainly is! LOL! This is more like the winters that I remember growing up here in Maine. January is SUPPOSED to be cold.
01:28 PM on 01/24/2011
Same for me. I remember tons of snow when I was younger. :)
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Kellybelle22
Medicine. Marriage. Motherhood.
03:22 PM on 01/23/2011
North Atlantic Oscillation sounds like something we don't get much of in the Gulf Coast states. Here in Texas, we've had a La Niña winter, been drier and warmer than usual, although we did have one small snowfall. Last year we had El Niño, which brought us a colder, wetter winter with six or seven ice and snow events. I could go for a little more North Atlantic Oscillation, I think.
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laaambchop
Cheerfulness is a sign of wisdom
04:35 PM on 01/23/2011
When we had El Nino it was wicked warm...like 60 degrees plus in December.
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librainstars
even the smallest things in life make a difference
09:40 PM on 01/23/2011
could use that now. Its 5 degrees lol going to -8 tonight
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Kellybelle22
Medicine. Marriage. Motherhood.
01:06 AM on 01/24/2011
What part of the southwest do you live in, Laambchop? I'm guessing southwest or west, but you may be very distant--or even uniquely close. In the DFW area of Texas when we have El Niño winters, we always have cold, wet winters. Then they're followed by the drier, warmer year like we're having now.