Sentences with phrase «storm activity over»

As the hurricane season comes to a close, TripAssure looks back at the storm activity over the year and offers travel protection solutions for those bound for the areas that have been most impacted.
Do model projections tend to show us areas that will see more storm activity over the coming century as global temperatures warm?
«Cold, hot or dry: Persistent weather extremes associated with decreased storm activity: Decrease in storm activity over large parts of the US, Europe, Russia, and China is found to influence weather extremes.»

Not exact matches

Peaks in solar activity cause the city to flood more often, apparently by changing the paths of storms over Europe.
Ice cores from Mount Hunter in Alaska's Denali National Park and Mount Logan in Canada were used in an analysis of over 1,000 years of history of the Aleutian Low pressure system that drives storm activity in the North Pacific.
Reports blamed the conflict for changes in land use and cover — and for activities like increased military traffic over unpaved surfaces and farmers reducing irrigation or abandoning agricultural land — that created extreme amounts of dust to fuel the storm.
The intensification of winter storm activity in Alaska and Northwestern Canada started close to 300 years ago and is unprecedented in magnitude and duration over the past millennium, according to a new study from Dartmouth College.
The difference in lightning activity can't be explained by changes in the weather, according to the study's authors, who conclude that aerosol particles emitted in ship exhaust are changing how storm clouds form over the ocean.
The next peak cycle of sunspot activity is predicted for 2012 - 2014, bringing with it a greater risk of large geomagnetic storms that can generate powerful rogue currents in transmission lines, potentially damaging or destroying the large transformers that manage power flow over high - voltage networks.
In May, they reported that 90 percent of the Atlantic storms followed a period of above - average lightning activity over the Ethiopian Highlands.
Similar measurements are currently provided by the Lightning Imaging Sensor (LIS); however, this instrument is on a satellite that is in low - earth orbit, which means it is unable to track changes in lightning activity over the lifetime of a storm.
In summer, storm activity calmed down over as much as 80 percent of the land area in the mid-latitudes.
And the lightning activity in storms over the ocean is relatively small.
The article, «Extreme rainfall activity in the Australian tropics reflects changes in the El Niño / Southern Oscillation over the last two millennia,» presents a precisely dated stalagmite record of cave flooding events that are tied to tropical cyclones, which include storms such as hurricanes and typhoons.
Not surprisingly, a storm has broken out over research saying human activities are not the main factor behind climate change.
Additionally, sea level rise driven by climate warming combined with coastal subsidence related to human activities increased the storm surge while urban development such as paving over grasslands and prairies are likely to have exacerbated flooding.
When the annual April 1 measurements came in, Trouet and her colleagues were already looking at the historic climate record contained in old tree rings to see how the locations of storm activity had changed in the area over time.
This document provides basic information on projected future climate change effects (changes in temperature, precipitation, storm activity and sea level rise) over the near term, mid-century and end - of - century.
Finally — it is not remotely necessary for a season to be as intense as 2005 in order for it to be very intense — after, all, 2004 (15 tropical storms, 9 hurricanes, 6 major hurricanes) had over 150 % of the activity of an average season, yet was much less active than 2005 (28 tropical and subtropical storms, 15 hurricanes and 7 major hurricanes.)
This is complete speculation on my part, but I wonder whether the unusual activity of this year's severe storm season may be related to the exceptional gradient between unusually dry conditions in the western Plains and the very moist conditions not far east over the Mississippi valley.
The implication is that if climate change, driven by increasing greenhouse gases from human activity, increases the heat content of the ocean, storms passing over it will be able to draw ever more moisture that they can unload as rain.
If so, this is one way in which global warming may end up causing a decrease in Atlantic hurricane activity over the coming decades, since the increased wind shear over the Atlantic during El Niño events greatly reduces the number and intensity of these storms
The index revealed that the current low levels of storm activity on the mid-west and north - east coasts of Australia are unprecedented over the past 550 to 1500 years.
«The authors write that «the Mediterranean region is one of the world's most vulnerable areas with respect to global warming,»... they thus consider it to be extremely important to determine what impact further temperature increases might have on the storminess of the region... produced a high - resolution record of paleostorm events along the French Mediterranean coast over the past 7000 years... from the sediment bed of Pierre Blanche Lagoon [near Montpellier, France]... nine French scientists, as they describe it, «recorded seven periods of increased storm activity at 6300 - 6100, 5650 - 5400, 4400 - 4050, 3650 - 3200, 2800 - 2600, 1950 - 1400, and 400 - 50 cal yr BP,» the latter of which intervals they associate with the Little Ice Age.
Averaged over the northern mid-latitudes, future mean storm track activity showed little change during the winter, but significant decreases during the summer.
· In the mid - and high - latitudes of the Northern Hemisphere over the latter half of the twentieth century, it is likely that there has been a 2 to 4 percent increase in the frequency of heavy precipitation events [thunderstorms and large - scale storm activity].
Storm activity globally has actually lessened over the past few decades.
Over the past 50 years there has been a strong statistical connection between tropical Atlantic sea surface temperatures and Atlantic hurricane activity as measured by the Power Dissipation Index (which combines storm intensity, duration, and frequency).
According to the Intergovernmental Panel on Climate Change, the observed variation in storm activity and drought shows «no significant trends evident over the last century» (2).
As an aside, this was the chapter that I believe Chris Landsea was working on before he resigned in a dust up with Kevin Trenbreth over the politicization (claimed by Landsea against Trenbreth) of the issue of tropical storm activity and global warming.
Over 75 % of the Northeast short - term extreme precipitation is related to extratropical storms moving through or near the region, except during September, when more than 50 % of extreme precipitation is related to tropical storm activity.
The National Weather Service Hurricane Center recently released an update on hurricane Emily indicating that she's having trouble maintaining activity over the mountains of Hispaniola and may soon be downgraded to a tropical storm very soon.
«Storm - related disruptions and rebuilding will affect economic activity in the near term, but past experience suggests that the storms are unlikely to materially alter the course of the national economy over the medium term.
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