Sentences with phrase «average weather events»

It is impossible to average weather events which have not occurred yet.

Not exact matches

Due to a heavier than average number of weather events this past snow season Oneida County DPW has determined the average cost per mile was higher than the 5 year average contracted amount.
Last spring a research team led by Michael Tippett, associate professor of applied physics and applied mathematics at Columbia Engineering, published a study showing that the average number of tornadoes during outbreaks — large - scale weather events that can last one to three days and span huge regions — has risen since 1954.
If the world keeps burning fossil fuels and does little else to prevent climate change — the trajectory we are on — weather events now considered extreme, like the one in 1997 which led to floods so severe that hundreds of thousands of people in Africa were displaced, and the one in 2009 that led to the worst droughts and bushfires in Australia's history, will become average by 2050.
Threats — ranging from the destruction of coral reefs to more extreme weather events like hurricanes, droughts and floods — are becoming more likely at the temperature change already underway: as little as 1.8 degree Fahrenheit (1 degree Celsius) of warming in global average temperatures.
Data from its first national climate change adaptation strategy issued last year show that extreme weather events have killed more than 2,000 people each year on average since the 1990s.
Below - average sea - surface temperatures commonly occur following an El Niño and appear to be associated with weather events opposite that of El Niño.
«Drought years» happen on average every five years in the Amazon and are typically a result of changes to wind and weather patterns brought about by warming in the Atlantic Ocean during events of the climate phenomenon El Niño.
Scientists have had strong evidence for decades that fossil fuel emissions are increasing average global temperatures, and they have long expected that this warming would trigger extreme weather events.
Imagine sea levels rising by feet instead of inches, global average temperatures increasing by many degrees instead of just fractions and an increase in other cataclysmic, costly and fatal weather events.
They reorder as their supply is used, which can significantly shift the supply - demand dynamic in favor of salt producers during extreme winter weather events — CMP's average price on awarded highway deicing contracts rose by 25 % in 2014 as a result.
Usefully predicting an average of weather events yet to occur seems more difficult than predicting the next toss of a coin.
While average temperatures warm, the key impact is disruption: more severe weather events, extremes of temperature at both ends, unbalanced rainfall.
But to argue against the basic soundness of an average decadal increase rate because there was an EN event or even a large EN event (1998 or 2015/6) seems silly to me because the EN LN wobble is simply a component of the weather in each decade reviewed.
In making its seasonal prediction, forecasters cautioned that there are large portions of the country for which there are no clear indications whether it will be a warmer, colder, wetter, or drier than average winter, largely due to a fickle El Niño event that may have petered out too early to have much of an impact on North American winter weather.
In the case of climate models, this is complicated by the fact that the time scales involved need to be long enough to average out the short - term noise, i.e. the chaotic sequences of «weather» events.
Specifically, I'll bet that the average annual number of Americans killed by these violent weather events from 2011 through 2030 will be lower than it was from 1991 through 2010.
At this point, does it really matter what we call the dramatic changes in the Earth's average temperatures that are driving the extreme weather events we now live through on a regular basis?
You are correct that regional and average weather changes over various time scales of interest, and that extreme events continue to occur.
Global temperature averages are creeping upward, seas are warming, rising and becoming more acidic, and extreme weather events such as droughts, wildfires, floods and powerful storms are more commonplace.
Future crop yields will be more strongly influenced by anomalous weather events than by changes in average temperature or annual precipitation (Ch.
Study shows China's severe weather patterns changing drastically since 1960 In one of the most comprehensive studies on trends in local severe weather patterns to date, an international team of researchers found that the frequency of hail storms, thunderstorms and high wind events has decreased by nearly 50 percent on average throughout China since 1960.
When I said is: «If the period of time over which the weather is averaged in producing the climate, then, the sample that is available for model building and validation consists of 15 events» What I meant to say is: «If the period of time over which the weather is averaged in producing the climate IS TEN YEARS then, the sample that is available for model building and validation consists of 15 events
The report, which was supported by the Foreign and Commonwealth Office, stresses that extreme weather events such as floods or droughts are just as significant as rising average temperatures and rainfall.
that is what the term «climate» means the average weather stats from the previous 30 years for a given area... the climate has no power, is not a force, and cant be called the «cause» of any weather event.......
Regarding SSW events and N. Europe or British Isle weather, without the modern satellite data some potential clues on these would be sudden outbreaks of extreme cold (20C or more below average) with persistent NE or E winds (as the vortex is disrupted).
The predicted increase in extreme weather events, e.g., spells of high temperature and droughts (Meehl and Tebaldi, 2004; Schär et al., 2004; Beniston et al., 2007), is expected to increase yield variability (Jones et al., 2003) and to reduce average yield (Trnka et al., 2004).
Climate change is the long - term average of a region's weather events lumped together.There are some effects of greenhouse gases and global warming: melting of ice caps, rising sea levels, change in climatic patterns, spread diseases, economic consequences, increased droughts and heat waves.
Even though records indicate the global average temperatures have not risen in 16 years, and that extreme weather events have actually declined in the last 40 years.
He says average rainfall for Australia will decrease, but the extreme weather events will be on the rise, so while you might get less rain over the year it will come in the form of damaging storms and stronger winds which feel like so - called freak events.
Noting cold temperatures on the west side of Greenland, Mottram emphasized that this was a weather event that was superimposed on top of rising average temperatures in the Arctic.
Climate is in fact weather averaged over time, so any weather event is a part of climate.
Surely weather events are not «random» at all, no matter how much it seems that way to the average Joe.
Compared with the peak rate of deaths from weather - related events in the 1920s of nearly 500,000 a year, the death toll during the period 2000 - 06 averaged 19,900.
Average annual deaths from weather - related events in the period 1990 - 2006 — considered by scientists to be when global warming has been most intense — were down by 87 % on the 1900 - 89 aAverage annual deaths from weather - related events in the period 1990 - 2006 — considered by scientists to be when global warming has been most intense — were down by 87 % on the 1900 - 89 averageaverage.
The principal reason is that water vapor has a short cycle in the atmosphere (10 days on average) before it is incorporated into weather events and falls to Earth, so it can not build up in the atmosphere in the same way as carbon dioxide does.
Some climate scientists are claiming that more extreme weather events are occurring than in the past, and that the primary reason is because the atmosphere contains more water vapor due to the increase in the average global atmospheric temperature.
You make a very clear well reasoned case for the irrationality of using current numerical climate models fitted to past average temperature data to predict or project future average temperatures let alone temperature distributions or extreme weather events.
According to data collected by the National Climate Data Center, there were 134 weather or climate disaster events with losses exceeding $ 1 billion each in the United States between 1980 and 2011, an average of more than four per year (Table 2.1).
Using complex computer models, the team concluded that on average, vegetation absorbs 11 billion fewer metric tons of carbon dioxide than it would in a climate that doesn't experience extreme weather events.
As for instance illustrated by the 2007 IPCC report extreme weather events are likely to increase more rapidly than any seemingly small shift in average values would lead to suspect.
Global average temperatures, atmospheric greenhouse gas concentrations, sea levels, and extreme weather events are on the rise.
It is clear that in terms of weather, environmental health, extreme events, snow, rain drought and flood, the impact of a global average is trivial or less.
You apparently keep forgetting that climate is merely the average of weather events which have already occurred, and this requires no more than the mathematics possessed by an average 12 year old student from any advanced society.
With hope waning that we can limit climate change to an average increase of 2 degrees centigrade, global warming threatens many species (including our own) with loss of habitat, disastrous weather events, and evolving illnesses.
Enough time to overcome signal: noise difficulties and represent global climate data, as opposed merely weather - scale events averaged over the globe.
After the average field is constructed, it is possible to create a set of estimated bias corrections that suggest what the weather station might have reported had apparent biasing events not occurred.
The IPCC has already concluded that it is «virtually certain that human influence has warmed the global climate system» and that it is «extremely likely that more than half of the observed increase in global average surface temperature from 1951 to 2010» is anthropogenic.1 Its new report outlines the future threats of further global warming: increased scarcity of food and fresh water; extreme weather events; rise in sea level; loss of biodiversity; areas becoming uninhabitable; and mass human migration, conflict and violence.
If weather events are a function of energy flux, greater energy flux should, on average, lead to more extreme weather events.
That should, on average, lead to less extreme weather events, not more.
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