Not exact matches
However, the study points out that continued
warming from human activities would overwhelm those weather
patterns over time to further increase melting.
In particular, the modelers could now reproduce in detail the
pattern of
warming, changes in rainfall, etc. actually observed in different regions of the world
over the past century.
It concluded that placing so many dark solar panels
over light - coloured sand will
warm the air above by 0.4 °C, affecting temperature and wind
patterns within a 300 - kilometre radius.
Another principal investigator for the project, Laura Pan, senior scientist at the National Center for Atmospheric Research in Boulder, Colo., believes storm clusters
over this area of the Pacific are likely to influence climate in new ways, especially as the
warm ocean temperatures (which feed the storms and chimney) continue to heat up and atmospheric
patterns continue to evolve.
They then projected how global
warming would alter these
patterns over the coming century.
In late 2010 and early 2011, the continent Down Under received about twice its normal complement of rain, thanks in large part to unusually
warm sea - surface temperatures just north of Australia and a particularly strong La Niña — in essence, combining a source of
warm humid air with the weather
patterns that steered the moisture
over the continent where it condensed and fell as precipitation.
the Arctic has shown a
pattern of strong low - level atmospheric
warming over the Arctic Ocean in autumn because of heat loss from the ocean back to the atmosphere....
Although a significant natural influence on weather
patterns, the temperature effects of the cycle smooth out
over years and decades, and aren't linked to the overall
warming trend.
Indeed, the dampened late 20th century winter
warming over a substantial part of Greenland, particularly the western and southern regions emphasized by the network of stations analyzed by Vinther et al, is known (see e.g. this NOAA page) to be associated with a trend toward the positive phase of the Arctic Oscillation («AO»)
pattern.
The observed
patterns of
warming, including greater
warming over land than
over the ocean, and their changes
over time, are only simulated by models that include anthropogenic forcing.
For much of the year, the temperature
pattern in place
over the U.S. could be summed up as «
warm west, cold east.»
The cold winter months are when El Niño holds sway
over North American weather
patterns, generally leading to cooler and wetter weather
over the southern tier of the U.S. and
warmer and drier conditions
over the northern parts of the country and southern Canada.
For example, in Earth atmospheric circulation (such as Hadley cells) transport heat between the
warmer equatorial regions to the cool polar regions and this circulation
pattern not only determines the temperature distribution, but also sets which regions on Earth are dry or rainy and how clouds form
over the planet.
For the first half of 2015, there was a clear split in temperatures
over the contiguous U.S., dubbed the «
warm west, cold east»
pattern.
While not nearly as dramatic, the influence of solar, ocean, and wind
patterns is much more immediate, but these effects generally alternate between
warming and cooling
over the course of months to decades in relation to their respective cycles.
«Our procedure for the solar - cycle signal yields an interesting
pattern of
warming over the globe.
The most obvious difference between this year and that event, clearly visible in the animation, is the «blob» of
warm water off the west coast of North America, a symptom of the relentless high pressure
pattern that has kept the West hot and dry
over much of the last few years and led to the deep drought in California.
This single - year snapshot of the planet's warmth fits with the
pattern of ever -
warmer temperatures that has been in place
over the past century, particularly since the early 1980s as the
warming fueled by an accumulation of greenhouse gases clearly emerged.
The first 100 days of 2016 were record
warm for many spots around Alaska, continuing a
pattern of warmth that has gripped the state
over much of the last three years and looks to continue for at least the next few months.
Research from all
over the world, in fact, shows that suicides are actually more prevalent in
warm, summer months — a
pattern that scientists can't quite explain.
A sea breeze, which is caused by the temperature and pressure difference between
warm areas inland and the cool air
over the ocean, often develops on
warm summer days as well, increasing the on - shore flow
pattern and maintaining a constant flow of marine stratus clouds onto the coastal areas.
Instead, McEwen served up a
warmed -
over selection of conceptual witticisms that, while slickly executed and superficially appealing, ultimately settled into a holding
pattern of comfortable irony and self - satisfied gimmickry.
And as I walk with the artist through the streets of Barcelona's affluent neighbourhood of Dreta de l'Eixample, where he has periodically lived for
over a decade, he describes details of the elegant five - storey buildings we pass, from the
warm colours of their 19th - century stone to the ornate
patterns of iron at their imposing doorways.
Initial reactions to Minimalist sculpture were mixed, with some regarding the style as cold, detached and anonymous, but
over time many critics
warmed to the sculptures» sensuous surfaces, ethereal atmospheres and delicate, subtle
patterns.
What's more important than any records being set is the
pattern of
warming and cooling we've seen
over the last 100 years or so, and that
pattern is NOT consistent with a correlation between
warming and CO2 emissions.
And given the fact that land
warms more quickly than ocean, resulting in areas of low pressure
over land, changing
patterns of atmospheric and oceanic circulation are bringing them to the coasts — where so much life's diversity is found.
And Andrea Thompson at Wx Shift points out, this
pattern may feel familiar, given it was typical
over the last couple of winters — with a
warm, dry West and eastern chill.
In 2006, amid persistent scientific debate
over the possible role of greenhouse - driven
warming in shaping hurricane
patterns, 10 leading researchers in the field issued a single statement on vulnerability.
Indeed, the dampened late 20th century winter
warming over a substantial part of Greenland, particularly the western and southern regions emphasized by the network of stations analyzed by Vinther et al, is known (see e.g. this NOAA page) to be associated with a trend toward the positive phase of the Arctic Oscillation («AO»)
pattern.
From the beginning, many of the complaints about Mann's work were more about how it was appropriated by others than the research itself; the first paper of his identifying a «hockey stick»
pattern to temperatures
over the last millennium, in 1999, was laced with caveats in describing the distinct sharp recent
warming trend.
I've touched on lake - effect snows, the classic
pattern in the Upper Midwest and western New York State in which frigid winds blowing
over relatively
warm Great Lakes waters generate persistent cloud bands and lots of snow.
In terms of the gold that a climate science denier might find in the paper, at the very least, they could argue that the fact that the troposphere isn't
warming more quickly than the surface shows that the climate models are unreliable — even though the models predict just the
pattern of
warming that we see — with the troposphere
warming more quickly than the surface
over the ocean but less quickly than the surface
over land.
This
pattern of
warmer below, colder above is just what we've observed
over the last century as the concentration of carbon dioxide in the atmosphere has increased.
Consenquently, the associated SST
pattern is slightly cooler in the deep convection upwelling regions of the Equitorial Pacific and the Indian Ocean, strongly cooler in the nearest deep convection source region of the South Atlantic near Africa and the Equator,
warm over the bulk of the North Atlantic, strongly
warmer where the gulf stream loses the largest portion of its heat near 50N 25W, and strongly cooler near 45N 45W, which turns out to be a back - eddy of the Gulf Stream with increased transport of cold water from the north whenever the Gulf Stream is running quickly.
Warming is widespread
over the upper layer of the ocean (500 meters or so), and this may change normal ocean circulation
patterns, with unforeseen consequences.
There was an interesting study in Nature Geoscience last Sunday showing pretty clearly that the accelerating flow of the Jacobshavn glacier in recent years was most likely driven by an influx of
warm deep seawater, and that shift was likely due to changes in pressure and wind
patterns over the North Atlantic Ocean.
Warming over land can have multiple effects, including melting of mountain glaciers, spread of deserts in continental interiors, greater flooding, more frequent heat waves and other extreme weather
patterns.
In short, the current
pattern will likely breakdown
over the next two years and the El Nino
pattern will slowly reassert itself with the wetter and generally
warmer winter temperatures in GA..
There is also a natural variability of the climate system (about a zero reference point) that produces El Nino and La Nina effects arising from changes in ocean circulation
patterns that can make the global temperature increase or decrease,
over and above the global
warming due to CO2.
Let's compare the
warming and cooling
patterns for lower troposphere temperatures
over the oceans to a spatially complete, satellite - enhanced sea surface temperature dataset, Reynolds OI.v2.
And for the period of 1997 to 2012, there are no similarities between the
warming and cooling
patterns for lower troposphere temperatures
over the oceans and the satellite - enhanced sea surface temperature data.
Interestingly, the paper «Climate Trends and Global food production since 1980» (Lobell, Schlenker, Costa - Roberts, in Sciencexpress, 5 May, Science 1204531) confirms my finding of the absence of climate change in the USA: «A notable exception to the [global]
warming pattern is the United States, which produces c. 40 % of global maize and soybean and experienced a slight cooling
over the period... the country with largest overall share of crop production (United States) showed no [adverse] effect due to the lack of significant climate trends».
«These findings show that climate change can have dramatic effects on human societies and highlight the necessity to understand the effect of global
warming on rainfall
patterns in China and all
over the world,» the authors write.
Wallace, J. M. & Johanson, C. M. Simulated versus observed
patterns of
warming over the extratropical northern hemisphere continents during the cold season.
The loss of Arctic summer sea ice and the rapid
warming of the continent could be altering the jet stream [3]-- and thus weather
patterns —
over North America, Europe and Russia, increasing the likelihood of extreme weather events and driving winter storms south.
Drought is expected to occur 20 - 40 percent more often in most of Australia
over the coming decades.6, 18 If our heat - trapping emissions continue to rise at high rates, 19 more severe droughts are projected for eastern Australia in the first half of this century.6, 17 And droughts may occur up to 40 percent more often in southeast Australia by 2070.2 Unless we act now to curb global
warming emissions, most regions of the country are expected to suffer exceptionally low soil moisture at almost double the frequency that they do now.3 Studies suggest that climate change is helping to weaken the trade winds
over the Pacific Ocean, with the potential to change rainfall
patterns in the region, including Australia.20, 21,16,22
The
pattern is of a cooling Sun
over the millennia — fewer isotopes — and then
warming last century.
But observations from recent years support the idea that the melting ice is a key factor in shaping the persistent
pattern of
warm temperatures
over the Arctic that displaces bitter cold air toward North America and especially Eurasia, says conference co-chair Judah Cohen, a climate scientist at the Massachusetts Institute of Technology.
And remember, the satellite data are one small part of a vast amount of data that overwhelmingly show our planet is
warming up: retreating glaciers, huge amounts of ice melting at both poles, the «death spiral» of arctic ice every year at the summer minimum
over time, earlier annual starts of
warm weather and later starts of cold weather,
warming oceans, rising sea levels, ocean acidification, more extreme weather, changing weather
patterns overall, earlier snow melts, and lower snow cover in the spring...
If she went back beyond the Medieval
Warming Period she would also see a different type of disordered
pattern when Type B AMP events take
over.