Sentences with phrase «precipitation extremes with»

Not exact matches

Climate forecasts indicate that the Southern High Plains will become drier with more frequent extreme heat events and decreased precipitation.
With rising global temperatures, the 2014 National Climate Assessment predicts that many communities will see more frequent extreme precipitation events like the one that hit Baton Rouge, La., last year.
Researchers charge global warming with projected significant increases in the frequency of both extreme precipitation and landfalling atmospheric rivers
-- 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.
Climate model projections show a warmer Montana in the future, with mixed changes in precipitation, more extreme events, and mixed certainty on upcoming drought.
The Extremes Grand Challenge is organised around four over arching themes (Document, Understand, Simulate, Attribute) with a main focus on four core events (Heavy Precipitation, Heatwave, Drought, Storm).
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 change.
With each increment of warming, the frequency of hot extremes and heavy precipitation events worldwide rises dramatically.
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.
The ECMWF provides data for some climate indices, such as the global mean temperature, and the National Oceanic and Atmospheric Administration (NOAA) has a web site for extreme temperatures and precipitation around the world with an interactive map, showing the warmest and coldest sites on the continents.
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.
When it comes to extreme weather, we always take the opportunity to point back to the last definitive international scientific report on extreme weather and climate change, which found strong historic links for heat waves, coastal flooding and changes in precipitation along with weaker links for tornadoes and hurricanes.
These results are based on a comparison of observed and multi-model simulated changes in extreme precipitation over the latter half of the twentieth century analyzed with an optimal fingerprinting technique.
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.
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..
O'Gorman, P. A., and T. Schneider, 2009: Scaling of precipitation extremes over a wide range of climates simulated with an idealized GCM.
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.
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.
The Milwaukee Metropolitan Sewerage District has an ambitious plan to scale up green infrastructure, using green roofs, land conservation, permeable pavement and other approaches to help slow and absorb water during the extreme precipitation events that are becoming more common with climate change.
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.
For example, the two models with the highest resolution (FLOR and HiFLOR) show increased extreme precipitation during the Atlantic hurricane season in the U.S. southeast.
Evidence that extreme precipitation is increasing is based primarily on analysis1, 2,3 of hourly and daily precipitation observations from the U.S. Cooperative Observer Network, and is supported by observed increases in atmospheric water vapor.4 Recent publications have projected an increase in extreme precipitation events, 1,5 with some areas getting larger increases6 and some getting decreases.7, 2
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.
There are also multiple studies associating extreme precipitation events with waterborne disease outbreaks.59 This evidence of responsiveness of waterborne disease to weather and climate, combined with evidence strongly suggesting that temperatures will increase and extreme precipitation events will increase in frequency and severity (Ch.
Overall, however, scientists project an increase in precipitation in the Great Lakes region (with extreme events projected to contribute to this increase), which will contribute to maintenance of or an increase in Great Lakes water levels.
There are multiple studies associating extreme precipitation events with waterborne disease outbreaks and strong climatological evidence for increasing frequency and intensity of extreme precipitation events in the future.
Precipitation analysis further suggests that greater than 50 % of the precipitation may be associated with extreme events iPrecipitation analysis further suggests that greater than 50 % of the precipitation may be associated with extreme events iprecipitation may be associated with extreme events in the future.
In the mid-latitudes, where most of the continental U.S. is located, there is an upward trend in extreme precipitation in the vicinity of fronts associated with mid-latitude storms.1 Locally, natural variations can also be important.14
Precipitation extremes, many of them associated with one of the strongest La Niña events of the past 60 years, had major impacts on the world.
«Lehmann et al. (2015) also found large — scale increasing patterns in extreme precipitation, with 12 % more record - breaking rainfall events over 1981 — 2010.
With record precipitation, megaflood evidence, and studies warning of higher extreme weather, with likelihood of confluence and climate persistence, should not the Oroville Dam Design Peak Maximum Flood and Spillway Peak Outflow parameters be increased rather than decreaWith record precipitation, megaflood evidence, and studies warning of higher extreme weather, with likelihood of confluence and climate persistence, should not the Oroville Dam Design Peak Maximum Flood and Spillway Peak Outflow parameters be increased rather than decreawith likelihood of confluence and climate persistence, should not the Oroville Dam Design Peak Maximum Flood and Spillway Peak Outflow parameters be increased rather than decreased?
«The highest risk of extreme precipitation and extreme wind speeds is found to be associated with a triple storm type characterized by concurrent cyclone, front and thunderstorm occurrences.»
Northeast states can expect more climate change related heat waves — with significantly more days above 90 degrees F — and flooding from sea level rise and extreme precipitation events.
Concurrent Events: Dowdy and Catto's (2017) storm / extreme weather analysis found: «The highest risk of extreme precipitation and extreme wind speeds is found to be associated with a triple storm type characterized by concurrent cyclone, front and thunderstorm occurrences.»
The IPCC reports that the risks associated with extreme weather events (heat waves, extreme precipitation, and the like) are moderately increased with the approximately 1 °C warming that we have already experienced (the recent report from the National Academies would support that conclusion) and that further warming will increase those risks.
The annual increase is again associated with the fact that the extreme events for the later years were significantly higher than compared to precipitation events in the 1980s.
Regional climate simulations, driven by two «well performing» dynamically downscaled IPCC models, also shows an amplification of historical summer temperature and precipitation extremes is occurring in conjunction with the Pacific sea surface temperature influence on US regional climate.
With the climate warming, extreme precipitation events may start happening more frequently, a paper published by the American Water Resources Association said.
Overall, the scientists found that precipitation extremes of different kinds will occur, with only small changes in the mean precipitation across the rainy season.
NYSERDA concluded that farms - including those in the Hudson Valley - will face significant challenges associated with the increase in global temperatures, precipitation and extreme weather events.
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.
It turns out that the big story about precipitation in California has to do with extremes.
It is instructive to compare these numbers with those characteristic of a set of the years during 1979 — 2012 with no or only one major regional extreme event (in terms of land surface temperature and land precipitation anomalies) in the NH midlatitudes, from late April / early May to late September / early October, as reported yearly since 1993 in the World Meteorological Organization statements on the status of the global climate (see also ref.
the model does not simulate any dependence of Northern England precipitation on the state of El Niño, with a correlation coefficient of r = 0.01 and no visual indications that extreme events behave differently than the mean.
As of the time the IPCC came out with the AR4, predicted extremes in precipitation and droughts were being observed:
Average precipitation is changing in many regions with both increases and decreases and there is a general tendency for increases in extreme precipitation observed over land areas.
It could be a simple event such as extreme precipitation or a tropical cyclone or a more complex sequence of a late onset of the monsoon coupled with prolonged dry spells within the rainy season.
a b c d e f g h i j k l m n o p q r s t u v w x y z