Sentences with phrase «of precipitation extremes in»

Future change of precipitation extremes in Europe: Intercomparison of scenarios from regional climate models.

This post was originally published on this site Today the journal Nature Climate Change published results of a groundbreaking paper that explores the changing character of precipitation extremes in California.

Not exact matches

«We do see signs of precipitation extremes increasing in these regions.»

«We know that in particular that [the regions around] Houston, Louisiana, and Florida are prone to some of the most extreme precipitation events in the United States,» said Sarah Kapnick, a researcher at NOAA's Geophysical Fluid Dynamics Laboratory.

They're intense plumes of water vapor that cause extreme precipitation, plumes so large they resemble rivers in satellite pictures.

It also has seen a 71 percent increase in the frequency of extreme precipitation events — more than any other region in the United States, according to the paper.

For instance, though about 30 percent of farmers surveyed agreed that extreme weather events will become more frequent in the future, 52 percent agreed that farmers should take additional steps to protect their land from increased precipitation.

«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 extremeOf 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 extremeof our highly variable UK climate, but globally there has recently been an increase in the incidence of high temperature and heavy precipitation extremeof high temperature and heavy precipitation extremes.

Attributable human - induced changes in the likelihood and magnitude of the observed extreme precipitation during Hurricane Harvey.

These findings from University of Melbourne Scientists at the ARC Centre of Excellence for Climate System Science, reported in Nature Climate Change, are the result of research looking at how Australian extremes in heat, drought, precipitation and ocean warming will change in a world 1.5 °C and 2 °C warmer than pre-industrial conditions.

«If we look at precipitation events over the long term, there is an increase in frequency of extremes.

Our study shows is that increases in the number of extreme heat and extreme precipitation events, particularly during summer months, lead to more asthma hospitalizations in Maryland.»

Still, he says, «One of the clearest signals we see is that an increase in global temperatures leads to an increase in extreme or heavy precipitation events.»

«It is therefore reasonable to expect that precipitation extremes will continue to intensify,» although how much is still a mystery, largely thanks to an unclear understanding of the atmospheric impact of how tiny flecks of pollution in the atmosphere — known as aerosols to scientists and comprising materials ranging from soot to sulfur dioxide.

What goes up, must come down and, more and more, that water vapor is coming down in extreme precipitation events — defined in North America as more than 100 millimeters of rainfall (or the equivalent in snow or freezing rain) falling in 24 hours — according to new research also published February 17 in Nature that examines such events in the Northern Hemisphere.

Although the rising average global surface temperature is an indicator of the degree of disruption that we have imposed on the global climate system, what's actually happening involves changes in circulation patterns, changes in precipitation patterns, and changes in extremes.

Climate scientists know that the intensity of extreme precipitation events is on the rise because there's more water vapor in the atmosphere caused by higher global and sea temperatures.

While the models do not reliably track individual extreme weather events, they do reproduce the jet stream patterns and temperature scenarios that in the real world lead to torrential rain for days, weeks of broiling sun and absence of precipitation.

Expected increases in extreme heat and drought events will bring changes in precipitation, air and water temperatures, air density and humidity, write Matthew Bartos and Mikhail Chester in the current issue of the research journal Nature Climate Change.

Key weather and climate drivers of health impacts include increasingly frequent, intense, and longer - lasting extreme heat, which worsens drought, wildfire, and air pollution risks; increasingly frequent extreme precipitation, intense storms, and changes in precipitation patterns that lead to drought and ecosystem changes (Ch.

But beyond the increased amount of precipitation, Wehner adds, «this study more generally increases our understanding of how the various processes in extreme storms can change as the overall climate warms.»

The same goes for nearly 1 in 5 exceptionally heavy rainfalls and other bouts of extreme precipitation.

As the 2014 Intergovernmental Panel on Climate Change report notes, models predict that increasing temperature ought to cause greater precipitation extremes in both directions — both drought and flooding, though there are likely more areas of heavy precipitation.

The coverage of extreme precipitation totals and warm temperatures contributed to the fourth highest U.S. Climate Extremes Index in the 106 - year record for the CONUS.

Daniel Swain and colleagues model how the frequency of these rapid, year - to - year transitions from extreme dry to wet conditions — which they dub «precipitation whiplash events» — may change in California's future as a consequence of man - made warming.

Researchers charge global warming with projected significant increases in the frequency of both extreme precipitation and landfalling atmospheric rivers

Staying on the Southern Hemisphere, a research team led by Sue Rosier, looked at extreme precipitation over the North Island of New Zealand that led to severe flooding in July 2014.

Another aspect of this phenomenon is that in a warmer, wetter world a larger proportion of the precipitation falls in extreme events.

-- Along with analyzing historical trends in temperature and precipitation, we performed an analysis of changes in extreme climate events since the middle of last century.

Kharin, V.V., F.W. Zwiers, and X. Zhang, 2005: Intercomparison of near surface temperature and precipitation extremes in AMIP - 2 simulations, reanalyses and observations.

This is addressed by evaluating change in global or large - scale patterns in the frequency or intensity of extremes (e.g., observed widespread intensification of precipitation extremes attributed to human influence, increase in frequency and intensity of hot extremes) and by event attribution methods.

Her work focuses on the causes of change in mean and extreme temperature and precipitation.

Using high - resolution modeling with theoretical and statistical analysis, researchers revealed a direct link between in - cloud processes and the frequency of precipitation extremes.

In the second real - time extreme weather attribution study in the context of the World Weather Attribution project the team found a 5 - 80 % increase in the likelihood of heavy precipitation like those associated with storm Desmond to occur due to anthropogenic climate changIn the second real - time extreme weather attribution study in the context of the World Weather Attribution project the team found a 5 - 80 % increase in the likelihood of heavy precipitation like those associated with storm Desmond to occur due to anthropogenic climate changin the context of the World Weather Attribution project the team found a 5 - 80 % increase in the likelihood of heavy precipitation like those associated with storm Desmond to occur due to anthropogenic climate changin the likelihood of heavy precipitation like those associated with storm Desmond to occur due to anthropogenic climate change.

«We show that at the present - day warming of 0.85 °C about 18 % of the moderate daily precipitation extremes over land are attributable to the observed temperature increase since pre-industrial times, which in turn primarily results from human influence,» the research team said.

The first piece of Mildrexler and colleagues» effort was the creation of a forest vulnerability index that, in effect, relates climatic drivers of vulnerability, such as extreme temperature and low precipitation, directly to physiological stress factors, which reduce photosynthesis and deteriorate forest health.

Rising CO2 levels have been linked to the globe's average temperature rise as well as a host of other changes to the climate system including sea level rise, shifts in precipitation, ocean acidification, and an increase in extreme heat.

This year, record snowfalls in the East left some areas of the country with too much precipitation, while other areas had too little, due to extreme drought in the West.

doi: 10.1130 / G23261A.1 v. 35 no. 3 p. 215 - 218 Abrupt increase in seasonal extreme precipitation at the Paleocene - Eocene boundary B Schmitz, V Pujalte — Geology, 2007 — geology.gsapubs.org A prominent increase in atmospheric CO2 at the Paleocene - Eocene boundary, ca. 55 Ma, led to the warmest Earth of the Cenozoic for ∼ 100 ky High - resolution studies of continental flood - plain sediment records across this boundary....

This rhythm in storm frequency may explain some of the recently observed increases in extreme precipitation events.

The report, «Atmospheric Warming and the Amplification of Precipitation Extremes,» previewed in Science Express this Thursday, August 7, and published in an upcoming issue of Science, found that both observations and models indicated an increase in heavy rainstorms in response to a warmer climate.

Such an elevated temperature would amplify temperature and precipitation extremes enough to make the weather events of recent years look tame in comparison.

Averaging smoothes out day - to - day and year - to - year natural weather variability and extremes, removing much of the chaotic behavior, revealing any underlying long term trends in climate, such as a long term increase or decrease in temperature, or long term shifts in precipitation patterns.

My experience with extremes and detection and attribution of an anthropogenic signal in those is that only by averaging the behavior of extremes (both temperature extremes and precipitation extremes) over large geographical areas (continental or barely sub-continental) we have been able to see something outside of natural variability.

They discussed the effect of variables being non-iid on the extreme value analysis, and after taking that into account, propose that changes in extreme precipitation are likely to be larger than the corresponding changes in annual mean precipitation under a global warming.

The paper, in the new issue of Journal of Climate, is «The resolution dependence of contiguous U.S. precipitation extremes in response to CO2 forcing» — by Karin van der Wiel of Princeton and colleagues.

I certainly agree that continued warming will increase the frequency of a variety of extremes related to heat, sea level, precipitation, etc. and in fact, some of that is already happening.

Nevertheless, the IPCC AR5 presents an outlook of increasing extreme precipitation in tropical cyclones making landfall (p. 106, Table TS.2), which is relevant for the flooding connected to Harvey.

In part because of large intrinsic variability, no evidence was found for changes in extreme precipitation attributable to climate change in the available observed record.&raquIn part because of large intrinsic variability, no evidence was found for changes in extreme precipitation attributable to climate change in the available observed record.&raquin extreme precipitation attributable to climate change in the available observed record.&raquin the available observed record.»

There have also been some reports on trends of more extreme precipitation, although The International Ad Hoc Detection and Attribution Group (IDAG, 2005) did not manage to attribute trends in precipitation to anthropogenic greenhouse gases (G)-- a quote from their review article is: «For diurnal temperature range (DTR) and precipitation, detection is not achieved», here «detection» implying the signal of G.