Sentences with phrase «number of tropical cyclones»

According to the most recent Intergovernmental Panel on Climate Change report, the wind speed and rainfall rates in tropical cyclones are projected to increase during the 21st century, even while the total number of tropical cyclones remains nearly steady, or even decreases.
The earlier years of that time period had a high number of tropical cyclone landfall events, while the latter years experienced relatively few.
NOAA also forecasts a high hurricane activity for the remainder of the season, and time will show if this season will match the 2004 in terms of number of tropical cyclones.
This increase in intense storm occurrence is projected despite a likely decrease (or little change) in the global numbers of all tropical cyclones.
These maps show the average annual number of tropical cyclones through the Australian region in El Niño, La Niña and neutral years.
These maps show the average number of tropical cyclones through the Australian region and surrounding waters in El Niño years, La Niña years, neutral years and using all years of data.
Looking at data from 1855 through 2005, Webster and Holland found that the total number of tropical cyclones per year doubled in that time, from an average of six at the beginning of last century to 14 over the past decade.
But no matter what the future brings, one thing is clear — the regularity and number of tropical cyclones making landfall will continue to be vital.
«We project areas of increased vertical wind shear, which will act to decrease the overall number of tropical cyclones,» Knutson told environmentalresearchweb.
Variations in the total numbers of tropical cyclones result from ENSO and decadal variability, which also lead to a redistribution of tropical storm numbers and tracks.
Did you ever realise that this is not the result of global cooling or the lack of global warming, but an increased number of tropical cyclones likely as a result of global warming?
After in fact stating the rising trend in Hurricane frequency in the Indian ocean Hoarau asks at the end of the article if there is a connection between global warming and the growing number of tropical cyclones in various ocean basins.
Did you notice that the cooling was for the period 2003 to 2005, a period with a very high number of tropical cyclones, at least in the Atlantic Ocean?
There is less confidence in projections of a global decrease in numbers of tropical cyclones.
Diverging from other computer models, a new study suggests that efforts to clean the air in Asia may boost the number of tropical cyclones worldwide
Even if the number of tropical cyclones that form in the Atlantic increases, that doesn't guarantee that the number making landfall will also rise.
The number of tropical cyclones was more than the eight that occurred during the 2014 season.
However it is also likely — in other words there is a 66 percent to 100 percent probability — that overall there will be either a decrease or essentially no change in the number of tropical cyclones.
There is no clear trend in the annual numbers of tropical cyclones.
-- Tropical cyclones near average overall / Historic Super Typhoon: The number of tropical cyclones during 2013 was slightly above average, with a total of 94 storms, in comparison to the 1981 - 2010 average of 89.
HOWEVER, the number of tropical cyclones with intensity greater than 34 - knots has remained at the 30 - year average (83 storms per year).
A study published by the Proceedings of the National Academy of Sciences in early July found that the number of tropical cyclones is likely to increase globally by the end of the century, in addition to intensifying.
Multi-decadal variability and the quality of the tropical cyclone records prior to routine satellite observations in about 1970 complicate the detection of long - term trends in tropical cyclone activity and there is no clear trend in the annual numbers of tropical cyclones.
A recent study by Kerry Emanuel suggests the number of tropical cyclones worldwide could exceed 100 per year by about 2070, compared to an average of 90 per year at the moment.
For example, the latest report from the IPCC says while there could be a decrease or no change in the number of tropical cyclones occurring globally through the 21st century, they are likely to be stronger when they do strike.
By late this century, models on average project a slight decrease in the number of tropical cyclones each year, but an increase in the number of the strongest (Category 4 and 5) hurricanes and greater rainfall rates in hurricanes (increases of about 20 percent averaged near the center of hurricanes).
Some modelling studies have projected a decrease in the number of tropical cyclones globally due to the increased stability of the tropical troposphere in a warmer climate, characterised by fewer weak storms and greater numbers of intense storms.
The number of tropical cyclones during 2013 was slightly above average, but the North Atlantic Basin had its quietest season since 1994.
They used an algorithm to count the number of tropical cyclones that formed in each ocean basin in the world of 2080 - 2099, when the assumed SSTs were 2.5 C higher than today's (IPCC A1B scenario).
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