Sentences with phrase «precipitation events on»

Extreme Precipitation Events On The Rise.

Not exact matches

Following three consecutive years of rainy weather during Mass Audubon's annual Bird - a-thon, this year's event on May 15 - 16 was precipitation free and generally sunny and pleasant.
According to the Climate Science Special Report released on Nov. 2, heavy precipitation events are becoming more frequent and intense in most regions of the world.
The study establishes a method for estimating UHI intensities using PRISM — Parameter - elevation Relationships on Independent Slopes Model — climate data, an analytical model that creates gridded estimates by incorporating climatic variables (temperature and precipitation), expert knowledge of climatic events (rain shadows, temperature inversions and coastal regimes) and digital elevation.
To identify extreme weather events, the researchers relied on county and calendar day specific thresholds for precipitation and maximum temperature (90th and 95th percentile, respectively) that were calculated based on 30 years of baseline data (1960 - 1989).
«What they've done is identify the chain of events from seeding to precipitation on the ground, which has been sorely needed for the last 80 years,» says William Cotton, a former professor of atmospheric science at Colorado State University in Fort Collins who was not involved with the research.
Based on over a decade of asthma hospitalization data (115,923 cases from 2000 - 2012), researchers observed higher risk of asthma hospitalization after extreme heat or extreme precipitation events.
While the majority of climate change scientists focus on the «direct» threats of changing temperatures and precipitation after 2031, far fewer researchers are studying how short - term human adaptation responses to seasonal changes and extreme weather events may threaten the survival of wildlife and ecosystems much sooner.
Extreme weather events such as excessive precipitation and heat waves are on the rise, the report finds.
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.
An increased risk of intense, short - duration rainfall events in mid-latitude regions has been predicted consistently for well over a decade as part of the pattern of human influence on precipitation.
The study concludes that the growth of the Mauna Kea glacier caused by the AMOC current changes was a result of both colder conditions and a huge increase of precipitation on Mauna Kea — triple that of the present — that scientists believe may have been caused by more frequent cyclonic storm events hitting the Hawaiian Islands from the north.
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).
Anthropogenic climate change is expected to have an impact on these types of events: warm temperature extremes and heavy precipitation extremes have -LSB-...]
His work mainly focuses on remote sensing of precipitation, hydrologic applications, and the analysis of extreme weather and climatic events using observation and models.
An increase of intense precipitation events has been found on much of the world's land area [127]--[129].
Good radio science on this, from NPR's Richard Harris: http://www.npr.org/2011/02/16/133806402/researchers-link-extreme-rains-to-global-warming goes into various questions, beyond these specific studies; he emphasizes these studies are about precipitation events.
Here is an interesting report on the links between tropical temperatures and increased likelihood of extreme precipitation events:
This influence of climate change on some extremes, including especially heat waves and heavy precipitation and some kinds of storm and flood events must no longer be waved away, swept under the rug, or otherwise ignored.
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.
3:28 p.m. Updated I contacted Kevin Trenberth, a climate scientist at the National Center for Atmospheric Research who was just interviewed by Joe Romm on extreme precipitation and warming, to see if he thinks it's appropriate to call such storms «global warming type» events.
«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..
A La Niña event, based on the temperature values on a graph, appears to be an El Niño of the opposite sign, and for some regional responses in temperature and precipitation that is true.
the attribution of a specific heavy precipitation event to human - caused GHG's is not an extra development in science that is needed to add to the burden of proof regarding the human influence on climate already provided by the current scientific evidence.»
Peer - reviewed literature about the effects of climate change are in broad agreement that air and surface water temperatures are rising and will continue to do so, that ice cover is declining steadily, and that precipitation and extreme events are on the rise.
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
The effects of weather extremes on human health have been well documented, particularly for increased heavy precipitation, which has contributed to increases in severe flooding events in certain regions.
«Once - in - five - year» heavy precipitation events — two - day precipitation totals that are exceeded, on average, only once in a 5 - year period — are becoming more common.
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.
On extreme precipitation events over mid-latitude landmass and wet tropical regions becoming more intense and frequent, the CLAs clarified that the assessment was based on more than the RCPs, and that the conclusion was generally true for all these regionOn extreme precipitation events over mid-latitude landmass and wet tropical regions becoming more intense and frequent, the CLAs clarified that the assessment was based on more than the RCPs, and that the conclusion was generally true for all these regionon more than the RCPs, and that the conclusion was generally true for all these regions.
«ENSO and greenhouse warming» «The 1990 — 1995 El Niño - Southern Oscillation event: Longest on record» «Temperature - precipitation relationship of the Common Era in northern Europe»
Abstract The Key Role of Heavy Precipitation Events in Climate Model Disagreements of Future Annual Precipitation Changes in California Climate model simulations disagree on whether future precipitation will increase or decrease over California, which has impeded efforts to anticipate and adapt to human - induced climate cPrecipitation Events in Climate Model Disagreements of Future Annual Precipitation Changes in California Climate model simulations disagree on whether future precipitation will increase or decrease over California, which has impeded efforts to anticipate and adapt to human - induced climate cPrecipitation Changes in California Climate model simulations disagree on whether future precipitation will increase or decrease over California, which has impeded efforts to anticipate and adapt to human - induced climate cprecipitation will increase or decrease over California, which has impeded efforts to anticipate and adapt to human - induced climate change........
In the most absurd case of Pielke misdirection, Field accurately reports the SREX findings on extreme precipitation events, which Pielke Jr. purports is a misrepresentation because of something that report said about flood losses.
The assistence of higher resolution projections to the vulnerability assessment of Amsterdam may lie in the analysis of consequences of an assumed sea level change on the probability that a major storm or inland precipitation event (or a combination of these) lead to water levels that are disruptive for the city.
One measure of heavy precipitation events is a two - day precipitation total that is exceeded on average only once in a 5 - year period, also known as the once - in - five - year event.
This information in the Tunesian National Communication does not provide any quantitative estimates of climate variability and / or change on rain - fed agriculture, but the clear qualitative implication is that climate changes — both drought and heavy precipitation events — will stress agriculture in Tunisia.
As we've documented here at the ENSO Blog, these patterns have their own distinct effects on temperature and precipitation patterns, and attributing weather events to climate patterns is a complicated science.
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.
A December 2017 study found that global warming made the precipitation seen over Houston and the surrounding area on August 26 — 28 about 15 percent (8 to 19 percent) more intense, or equivalently made such an event three (1.5 — 5) times more likely.
A December 2017 study found that global warming made the precipitation seen over Houston and the surrounding area on August 26 — 28 about 15 % (8 % — 19 %) more intense, or equivalently made such an event three (1.5 — 5) times more likely.
«The impact of various WRF single - moment microphysics parameterizations on squall line precipitation events
N (1) Natural mechanisms play well more than a negligible role (as claimed by the IPCC) in the net changes in the climate system, which includes temperature variations, precipitation patterns, weather events, etc., and the influence of increased CO2 concentrations on climatic changes are less pronounced than currently imagined.
Both also depend on aging infrastructure that has already been stressed by climate hazards including heat waves, as well as coastal and riverine flooding due to a combination of sea level rise, storm surge, and extreme precipitation events.
The observed influence of the NAO on extreme precipitation is largest in eastern North America, with the likelihood of a negative phase extreme rainfall event decreased in the north and increased in the south under the positive phase of the NAO.
More extreme precipitation events (with 3 - hour duration) so intense than in the past they would be exceeded on average only once every 10 years are projected to occur on average three times as often in future in Metro Vancouver and about three and a half times as often in future in CRD.
This Section places particular emphasis on current knowledge of past changes in key climate variables: temperature, precipitation and atmospheric moisture, snow cover, extent of land and sea ice, sea level, patterns in atmospheric and oceanic circulation, extreme weather and climate events, and overall features of the climate variability.
An increase of intense precipitation events has been found on much of the world's land area [127]--[129].
, as more frequent rain on snow events enhance melting and reduce snow storage Streamflow has risen 18 % in Newhalem Creek and 19 % in Thunder Creek despite only a slight decrease, 1 % in winter precipitation at Diablo Dam, within 5 km of both basins.
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