The observed recession of glaciers (Box 1.1) during the last century is larger than at any time over at least the last 5,000 years, is outside of the range
of normal climate variability, and is probably induced by anthropogenic warming (Jansen et al., 2007).
Hugh Willoughby of Florida International University thinks we are primarily seeing the effects
of normal climate variations, like El Niño.
Not exact matches
That, in itself, was an oddity in a country at a time it was becoming
normal for government
climate policies to be cooked up in the boardrooms
of Calgary oil lobby groups, as happened with B.C.'s «
climate leadership plan» under former premier Christy Clark's Liberal government.
What has transformed
climate science from a
normal intellectual discipline to a matter
of so much controversy?
The inundation came because the Bay
of Bengal was some inches higher than
normal (as
climate changes, sea level rises because warm water takes up more space).
Theories
of global
climate change threaten the energy companies so they manipulate the facts to make it look like a «
normal» cycle and their political operatives flood the airwaves and Internet with dubious «proof».
Despite any clinical evidence for or against the therapy, the APA denounces such therapy because, «In the current social
climate, claiming homosexuality is a mental disorder stems from efforts to discredit the growing social acceptance
of homosexuality as a
normal variant
of human sexuality.
Cuomo, who has had to cope with the aftermath
of two major storms in his two years in office — Irene in 2011, and now Sandy — says the state could be better prepared for
climate change that the governor believes could be the new
normal.
The next couple
of weeks are expected to be colder than
normal across Upstate New York, according to the
Climate Prediction Center.
While many in the GOP dispute whether
climate change is even happening, Chris Gibson
of New York's 19th district says too - frequent damaging storms in his district are enough evidence that we've entered a «new
normal.»
Water quality in the Schoharie Valley and the Catskill Watershed has captured the attention
of environmentalists and government officials who have joined forces to develop procedures and policies for dealing with «the new
normal»
climate change seems to have cast across upstate New York.
This means that the ratio between the extremes in the
climate over different time periods behaves like the ratio between the more
normal ratios
of different timescales,» explains Peter Ditlevsen
But with shortened
normals comes a risk
of underplaying recorded changes to the
climate.
Climate Central used data from NASA and NOAA to create an 1881 to 1910 climate normal for the months of January, February, and
Climate Central used data from NASA and NOAA to create an 1881 to 1910
climate normal for the months of January, February, and
climate normal for the months
of January, February, and March.
Because
of globalization and interdependence, the relationship between
climate change, migration and security should become the «new
normal» in international policy conversations, the panel said.
Predictions
of weather and
climate for months, seasons and decades ahead lie between
normal weather forecasts and
climate projections for the coming century — concerning both what influences the
climate on these time - scales, and the methods required to make such predictions.
The influence
of climate change was evident in areas with either extreme incidents
of oxygen depletion or longer - than -
normal trends
of low oxygen levels.
«One concern is that there is no sign
of a switch to El Niño, and thus little prospect
of compensation through above -
normal rains in October through to November,» says Dan Williams from the UK Met Office, who added that it was not possible — yet — to say if this drought is a result
of climate change.
«
Of course, weather is naturally chaotic, and extremes are a normal part of our highly variable UK climate, but globally there has recently been an increase in the incidence of high temperature and heavy precipitation extreme
Of course, weather is naturally chaotic, and extremes are a
normal part
of our highly variable UK climate, but globally there has recently been an increase in the incidence of high temperature and heavy precipitation extreme
of our highly variable UK
climate, but globally there has recently been an increase in the incidence
of high temperature and heavy precipitation extreme
of high temperature and heavy precipitation extremes.
Every ten years the data center calculates new U.S. «
climate normals,» or 30 - year average values, for meteorological elements such as temperature, precipitation, and heating and cooling degree days for thousands
of U.S. weather stations.
«The real issue is: Are people making real estate decisions based on
climate change futures, rather than sort
of normal speculation?»
Global warming has been going on for so long that most people were not even born the last time the Earth was cooler than average in 1985 in a shift that is altering perceptions
of a «
normal»
climate, scientists said.
As Earth's
climate warms, these balmy years could become the norm, he says, meaning last winter's bird patterns could be a preview
of the new
normal.
Decades
of climate change bring risks that people will accept higher temperatures, with more heatwaves, downpours and droughts, as
normal and complicate government plans to do more to cut emissions
of greenhouse gas emissions.
«We're seeing 200 to 400 percent
of normal for this time
of year,» said Michael Strobel, director
of the service's National Water and
Climate Center.
Finney believes that changes in
climate cause the cycles in salmon populations, and as scientists struggle to understand the rate and effects
of global warming, salmon may help them distinguish
normal climate variations from the early warnings
of a system gone dangerously wrong.
Does that mean the change we're seeing now is
normal, or is the
climate behaving in new ways because
of human influence?
«Going out to 40 or 50 years, basically the summer we just had will be
normal,» says Sarah Perkins - Kirkpatrick at the
Climate Change Research Centre
of the University
of New South Wales (UNSW) in Sydney.
«The new record high calendar year temperature averaged across Australia is remarkable because it occurred not in an El Niño year, but a
normal year,» David Karoly, a
climate scientist from the School
of Earth Sciences, University
of Melbourne, said in an emailed statement.
The din makes it difficult for
normal people to make sense
of climate science, Kahan said.
He believes that changes in ocean circulation have warmed the Atlantic and increased hurricane activity in the past decade and that this is simply the result
of normal oscillation in natural
climate cycles.
The team used a worldwide
climate model that incorporated
normal month - to - month variations in sea surface temperatures and sea ice coverage, among other
climate factors, to simulate 12,000 years» worth
of weather.
On the other hand, ecosystem productivity had either regained or exceeded its
normal level a year after a
climate event, regardless
of plant diversity, showing that biodiversity has no effect on ecosystem resilience, at least on annual timescales.
Unlike the freakish situation in California, where several years
of low snowfall and rainfall are serving as a reminder
of the tremendous natural variability in Pacific - influenced weather, and the need to always be vigilant when it comes to managing water supplies, the situation in Washington resembles the parched
climate - changed
normal for swaths
of the West in the decades ahead.
The outlook from NOAA's
Climate Prediction Center shows above -
normal temperatures are likely to rule for the week
of Feb. 17 - 23, with the exception
of the West Coast, as a series
of storms is forecast to keep things cool there.
For NOAA's
Climate Prediction Center to make that declaration, the sea - surface temperature in an eastern - central segment
of the ocean called the Nino 3.4 must be 0.5 °C (0.9 °F) above
normal for at least a month — and be forecasted to last that way for at least three months.
A research team at Pacific Northwest National Laboratory, the University
of Maryland, Beijing
Normal University, Brookhaven National Laboratory and the Hebrew University
of Jerusalem found that increases in air pollution's tiny particles in the atmosphere have a strong influence on cloud development, which affects weather and
climate.
John Allen, an associate research scientist at the International Research Institute for
Climate and Society at Columbia University, who, with colleagues, came out with the first seasonal tornado forecast last year, expects a below -
normal number
of tornadoes in the south central U.S.
So called
normal years may return to some places for a year or three, but we are entering a period
of severe
climate disruption that may extend for the rest
of your life, and that
of your children.
Unlike Earth or Mars, Pluto has no satellites or ground stations, so the types
of data that are used by
normal weather and
climate people (air pressure, temperature, atmospheric composition, etc.) are not available for Pluto.
The
Climate Prediction Center's 8 - 14 day forecast shows the entire U.S. will have increased odds
of colder than
normal temperatures.
More
climate stories ripped out
of the back pages
of the news: NASA says the record low Arctic sea ice levels in the last few years are the new
normal.
El Niño is a Pacific - driven
climate pattern that features warmer - than -
normal sea surface temperatures in the eastern tropics
of that ocean basin.
La Niña is the opposite end
of the natural
climate seesaw from El Niño; it is characterized by cooler - than -
normal ocean waters in the tropical Pacific, while El Niño features warmer - than -
normal.
The study, published Thursday in the journal Science by a team
of by researchers at the University
of Utah and Princeton University, shows that the world's forests take an average
of between two and four years to return to their
normal growth and carbon dioxide absorption rate following a severe drought — a finding that has significant
climate implications.
Bell said that he and his office, NOAA's
Climate Prediction Center, have been fielding questions about the August lull in Atlantic hurricanes and whether it would cause his forecast team to soften its May and August outlooks, which concluded that the 2013 season had a 70 percent chance
of being more active than
normal.
According to the NOAA
Climate Prediction Center (CPC), the next couple
of weeks are likely to be warmer and drier than
normal — ideal conditions for expanding and worsening the drought.
Climate is defined as the statistical properties
of the atmosphere: averages, extremes, frequency
of occurrence, deviations from
normal, and so forth.»
Another study, from Geophysical Research Letters in April
of 2017, questioned what is taken to be
normal climate patterns in the North Pacific, derived from instrument data beginning in the 1950s.
But between
climate change and the impact
of decades
of poor management, such wildfires may be the new
normal.