Sentences with phrase «extreme cyclones»

Ho believes that it's necessary to exert further efforts on more precise forecasts and improved prevention in order to substantially reduce damage from future extreme cyclones.

It is very likely that this trend also can be found for the periods 1975 - 1989 and 1990 - 2004, since there were more intense cyclones before 1970 - 1974 than from 1975 - 1979 and there were quite a number of extreme cyclones from 2000 - 2004 according to JTWC.

Persistence of waves can not only occur with high pressure, but also e.g. with low pressure systems (potentially leading to flooding) or with persistent zonal flow (supporting the occurrence of extreme cyclones).

A two - degree spike could create freshwater shortages, dry out arable regions, and increase the severity of extreme cyclones, but the challenges would largely be manageable (see «The Planet Fixers»).

Not exact matches

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.

«The bias is just so extreme» Others seriously questioned whether the world's community of climate scientists is caught in a cyclone of self - promotion, driven by the pressure to validate past findings and to receive federal grants.

Plus, you can dig into a Classics issue on extreme weather, which includes 24 articles on weather — hurricanes, cyclones, tornadoes — some dating back to 1880!

These cyclones are characterized by strong localized drops in sea level pressure, and as Arctic - wide decreases in sea level pressure are one of the expected results of climate change, this could increase extreme Arctic cyclone activity, including powerful storms in the spring and fall.

Tracking changes in Arctic cyclone activity through time, Vavrus calculated a statistically significant, though minor, increase in extreme Arctic cyclone frequency over the study period, with increases strongest near the Aleutian Islands and Iceland.

The research is timely given the extreme winter of 2017 - 2018, including record warm Arctic and low sea ice, record - breaking polar vortex disruption, record - breaking cold and disruptive snowfalls in the United States and Europe, severe «bomb cyclones» and costly nor'easter s, said Judah Cohen, director of seasonal forecasting at AER and lead author of the study.

Dry places are likely to get drier; rainfall is likely to arrive in fewer but more concentrated episodes; and extreme weather events such as tropical cyclones are likely to increase in intensity.

In the Instant Expert on extreme weather, Jeff Masters states that tropical cyclones get their spin from the disorganised air...

In the Instant Expert on extreme weather, Jeff Masters states that tropical cyclones get their spin from the disorganised air systems off the African coast, which then move eastward towards the Caribbean (2 October).

In the past several years, researchers have used AI systems to help them to rank climate models, spot cyclones and other extreme weather events — in both real and modelled climate data — and identify new climate patterns.

Some of the effects are related to erosional processes such as a decrease in sediment supply, changes in the intensity and frequency of extreme events (storms and cyclones, among others), and changes in sea levels and in the wave climate.

Weather events include tropical cyclones (covered in a separate project), tornadoes (also covered in a separate project), floods, wind storms, winter storms, droughts, extreme heat / cold and lightning events.

The index, which evaluates extremes in temperature and precipitation, as well as landfalling tropical cyclones, was nearly twice the average value and second only to 1998.

While it is «likely» that anthropogenic influences are behind the changes in cold days and warm days, there is only «medium confidence» that they are behind changes in extreme rainfall events, and «low confidence» in attributing any changes in tropical cyclone activity to greenhouse gas emissions or anything else humanity has done.

As long as we're talking about extreme weather events and attribution... although Kerry Emanuel is usually the go - to guy for the study of increasing tropical cyclone intensity, his 2005 and 2011 (linked to above by Stefan) papers being the most cited, there is a limitation of scope in that only the North Atlantic basin is covered by these papers, AFAIK.

In Australia, the extreme events are bushfires, which come from extreme heat and wind at the same time, and are probably more linked to temperature than cyclones.

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.

Yesterday the World Meteorological Organisation published its Annual Statement on the Climate, finding that «2013 once again demonstrated the dramatic impact of droughts, heat waves, floods and tropical cyclones on people and property in all parts of the planet» and that «many of the extreme events of 2013 were consistent with what we would expect as a result of human - induced climate change.»

More extreme precipitation near the centers of tropical cyclones making landfall is projected in North and Central America, East Africa, West, East, South and Southeast Asia as well as in Australia and many Pacific islands (medium confidence).»

Impacts from recent climate - related extremes, such as heat waves, droughts, floods, cyclones, and wildfires, reveal significant vulnerability and exposure of some ecosystems and many human systems to current climate variability (very high confidence).

The only extreme behaviour studied in any detail was the simulation of tropical cyclones.

There is some very limited information on possible changes in the frequency and intensity of tropical cyclones (Bengtsson et al., 1996; Henderson - Sellers et al., 1998; Krishnamurti et al., 1998; Knutson and Tuleya, 1999; Walsh and Ryan, 2000); and of mid-latitude cyclones (Schubert et al., 1998), but these studies are far from definitive (see Chapter 9, Section 9.3.6, and Chapter 10 for discussion on changes of extremes with changes in climate).

TheWashington Post's Jason Samenow described it as «the most extreme tropical cyclone season on record in the Northern Hemisphere.»

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 U.S. Climate Extremes Index (USCEI), an index that tracks the highest and lowest 10 percent of extremes in temperature, precipitation, drought and tropical cyclones across the contiguous U.S., was a record - large 44 percent during the January - June period, over twice the averagExtremes Index (USCEI), an index that tracks the highest and lowest 10 percent of extremes in temperature, precipitation, drought and tropical cyclones across the contiguous U.S., was a record - large 44 percent during the January - June period, over twice the averagextremes in temperature, precipitation, drought and tropical cyclones across the contiguous U.S., was a record - large 44 percent during the January - June period, over twice the average value.

Since 1900, extreme heat events have killed more Australians than bushfires, cyclones, earthquakes, floods and severe storms combined.

tropical cyclones, climate change, global warming, extreme weather, hurricanes, typhoons, trend analysis, general linear model, applied statistics, accumulated cyclone energy, ACE index, cyclone activity, trend analysis

-- An increase in the frequency and magnitude of extreme climate events (hurricanes, cyclones, storm surges) causing flooding and direct injury

There is a minimum model resolution that is needed to capture weather phenomena generating precipitation extremes, for example for simulating tropical cyclones or precipitation enhancement over mountains.

«Australia is amongst those most exposed, extreme weather events, firestorms, more intense if not more frequent cyclones,» he said.

As the IPCC special report on extreme events put it «There is low confidence in any observed long - term (i.e., 40 years or more) increases in tropical cyclone activity (i.e., intensity, frequency, duration), after accounting for past changes in observing capabilities.»

And since global warming is likely to be accompanied by greater extremes of tropical cyclone and windstorm, islanders everywhere will become increasingly vulnerable.

In the event of increasing extreme events such as cyclones (hurricanes)(see Section 16.3.1.3) forest biodiversity could be severely affected, as adaptation responses on small islands are expected to be slow, and impacts of storms may be cumulative.

«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.»

Hundreds of millions of people in urban areas across the world will be affected by rising sea levels, increased precipitation, inland floods, more frequent and stronger cyclones and storms, and periods of more extreme heat and cold.

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.»

2017 gave us a world where truly extreme weather events appear to be the new normal — wildfires, hurricanes, droughts, a «bomb cyclone» snow storm, and 82 degree days in February.

That's why I used the expression «represents a serious potential threat to humanity and our environment» (temperature increase by 2100 of up to 6.4 C, increased droughts, floods, tropical cyclones, heat waves, extreme high sea level plus secondary effects, such as crop failures, spread of vector diseases, loss of drinking water from melting glaciers, etc. all as listed in IPCC AR4).

A WMO report, The Global Climate 2001 - 2010, A Decade of Climate Extremes, analyses global and regional temperatures and precipitation, and extreme weather such as the heat waves in Europe and Russia, Hurricane Katrina in the US, tropical cyclone Nargis in Myanmar, droughts in the Amazon basin, Australia and East Africa, and floods in Pakistan.

Which forms the basis for the IPCC claim of high climate sensitivity (mean value of 3.2 C), resulting in significant global warming (up to 6.4 C warming by 2100), «extreme high sea levels», increased «heat waves», increased «heavy rains» and floods, increased «droughts», increased «intense tropical cyclones» — which, in turn, lead to crop failures, disappearance of glaciers now supplying drinking water to millions, increased vector borne diseases, etc. (for short, potentially catastrophic AGW — or «CAGW»).

-- I have listed the «catastrophic results» that are projected to occur, according to IPCC AR4 WG1 SPM, pp. 8 and 13: temperature increase of up to 6.4 °C, heat waves, floods, droughts, increased intense tropical cyclones, extreme high sea level, as well as some of the secondary impacts, which IPCC projects in WG2, WG3: crop failures, disappearing glaciers now supplying drinking water for millions, spread of vector diseases, etc..

The researches thus «urge extreme caution in attributing short - term trends (i.e. over many decades and longer) in US tropical cyclone losses to anthropogenic climate change,» stating that «anthropogenic climate change signals are unlikely to emerge in US tropical cyclone losses on timescales of less than a century under the projections examined here.»

«And the drought, cyclones, extreme weather events will increase over time.

Ecosystems are collapsing, coral is bleaching and dying, storms, cyclones, floods, heatwaves and extremes of cold and winds are all getting worse as CO2 levels rise.

Worldwide there will likely be an average increase in the maximum wind speed of tropical cyclones (hurricanes and typhoons) of 2 to 11 %.6 Because of the way extremes respond to changes such as these, Category 4 and 5 hurricanes are expected to nearly double in number by the end of the century.7 The rate of rainfall associated with tropical cyclones, an important factor in flooding, is expected to increase approximately 20 % within 100 km of the center of these storms.8

But as parts of Queensland hit the road to recovery, it is worth thinking about what makes a community resilient to extreme events like floods and cyclones.