Sentences with phrase «extreme precipitation increases»

As the number of days with extreme precipitation increases, the risk for intense and damaging floods is also expected to increase throughout much of the country.
The results obtained by Donat and his team suggest that both annual precipitation and extreme precipitation increased by 1 — 2 % per decade in dry regions, with wet areas showing similar increases in the extent of extreme precipitation and smaller increases for annual totals.

Not exact matches

«We do see signs of precipitation extremes increasing in these regions.»
Climatic variability like precipitation changes or increase in extreme events such as storms and tropical cyclones is known to significantly modify the Earth's surface.
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 extremes.
«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.»
Similarly, extreme precipitation events during summer months increased the risk of asthma hospitalizations by 11 %.
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.»
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.
«This increase in water vapor has contributed to increasing total precipitation in the fall season, but does not necessarily mean an increase in extreme precipitation events,» she added.
At the opposite end of precipitation extremes, drought also poses risks to public health and safety.192 Drought conditions may increase the environmental exposure to a broad set of health hazards including wildfires, dust storms, extreme heat events, flash flooding, degraded water quality, and reduced water quantity.
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.»
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.
Researchers charge global warming with projected significant increases in the frequency of both extreme precipitation and landfalling atmospheric rivers
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.
What goes up must eventually come down, so climate science projects that extreme precipitation should increase.
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 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.
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.
Severe Weather and Precipitation: Many areas in the United States will experience more frequent and extreme storm events; this includes high winds and increased pPrecipitation: Many areas in the United States will experience more frequent and extreme storm events; this includes high winds and increased precipitationprecipitation.
I am interpreting that to mean that there is a trend towards increasing annual 1 - day extreme precipitation — but I am not sure how to quantify that change.
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.
These variability trends indicate that the frequency of extremes (more drought events and more heavy precipitation events) has increased whereas the mean has remained approximately the same.
Here is an interesting report on the links between tropical temperatures and increased likelihood of 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.
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.
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.
... «there is evidence of increases in the heavy and extreme precipitation events» in mid-high northern latitudes.
So: The study finds a fingerprint of anthropogenic influences on large scale increase in precipitation extremes, with remaining uncertainties — namely that there is still a possibility that the widespread increase in heavy precipitation could be due to an unusual event of natural variability.The intensification of extreme rainfall is expected with warming, and there is a clear physical mechanism for it, but it is never possible to completely separate a signal of external forcing from climate variability — the separation will always be statistical in nature.
-- Increases in intensity and frequency of heat waves and extreme precipitation events (a category in which it includes droughts, floods, hurricanes and major storms)
Changes in precipitation regimes and extreme events can cause ecosystem transitions, increase transport of nutrients and pollutants to downstream ecosystems, and overwhelm the ability of natural systems to mitigate harm to people from these events.
Changes in extreme precipitation projected by models, and thus the impacts of future changes in extreme precipitation, may be underestimated because models seem to underestimate the observed increase in heavy precipitation with warming.
«Since the AR4, there is some new limited direct evidence for an anthropogenic influence on extreme precipitation, including a formal detection and attribution study and indirect evidence that extreme precipitation would be expected to have increased given the evidence of anthropogenic influence on various aspects of the global hydrological cycle and high confidence that the intensity of extreme precipitation events will increase with warming, at a rate well exceeding that of the mean precipitation..
In the Northeast, «Communities are affected by heat waves, more extreme precipitation events, and coastal flooding due to sea level rise and storm surge,» for example, while in the Southeast and Caribbean, «Decreased water availability, exacerbated by population growth and land - use change, causes increased competition for water.
In particular, the report authors predicted that with climate change there would be an increase in certain types of extreme weather, including daily high temperatures, heat waves, heavy precipitation and droughts, in some places.
Our state level analyses of extreme precipitation events shows a strong increasing trend since the 1950s, with 40 of 48 states showing at least some increasing incidence.
Impact of Global Warming Sea level rising Altered precipitation pattern Change in soil moisture content Increase in some extreme weather More flood more.
Warming temperatures, changes in precipitation, and more extreme weather are projected to increase populations of disease - carrying vectors like mosquitoes with West Nile Virus and of the types of bacteria and toxic algae that contaminate shellfish and recreational waters for activities like swimming and boating.
resulting in increased severity and / or intensity of heat waves, heavy precipitation events, droughts, tropical cyclones and extreme high sea levels [AR4 WGI SPM, p. 8],
The results indicate that extreme precipitation events consistently increase by the middle of the twenty - first century for all return periods (49 — 52 %), but changes may become more profound by the end of the twenty - first century (81 — 101 %).
Increases in the frequency and intensity of extreme precipitation events are projected for all U.S. regions.
Large - scale flooding can also occur due to extreme precipitation in the absence of snowmelt (for example, Rush Creek and the Root River, Minnesota, in August 2007 and multiple rivers in southern Minnesota in September 2010).84 These warm - season events are projected to increase in magnitude.
Figure 9.6: Maps show the increase in frequency of extreme daily precipitation events (a daily amount that now occurs just once in 20 years) by the later part of this century (2081 - 2100) compared to the latter part of the last century (1981 - 2000).
Given projected increases in the frequency and intensity of extreme precipitation events in the Midwest (Chapter 2: Our Changing Climate, Key Message 6), 57 it appears that sewer overflow will continue to constitute a significant current health threat and a critical source of climate change vulnerability for major urban areas within the Midwest.
2: Our Changing Climate, Key Message 5).2 Regional climate models (RCMs) using the same emissions scenario also project increased spring precipitation (9 % in 2041 - 2062 relative to 1979 - 2000) and decreased summer precipitation (by an average of about 8 % in 2041 - 2062 relative to 1979 - 2000) particularly in the southern portions of the Midwest.12 Increases in the frequency and intensity of extreme precipitation are projected across the entire region in both GCM and RCM simulations (Figure 18.6), and these increases are generally larger than the projected changes in average precipitatIncreases in the frequency and intensity of extreme precipitation are projected across the entire region in both GCM and RCM simulations (Figure 18.6), and these increases are generally larger than the projected changes in average precipitatincreases are generally larger than the projected changes in average precipitation.12, 2
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