Sentences with phrase «of warm sea surface»

«One of the major modes of climate variability is El Niño and when we're in El Niño there's a large area of warm sea surface temps in the Pacific,» this leads to more precipitation on the West Coast, Crouch said.
The periods of intense hurricanes uncovered by the new research were driven in part by intervals of warm sea surface temperatures that previous research has shown occurred during these time periods, according to the new study.
Landsea said that NOAA's seasonal outlooks focused on the other pieces of the puzzle that argued in favor of an above average to average season, namely the absence of El Nino and the presence of warm sea surface temperatures.
We now have the first results for our Climatological simulations, investigating the influence of removing the «blob» of warm sea surface temperatures off the western US coast.
Fig. 2 shows predictions with a simple model that predicts the number of tropical cyclones (NTC and n) in the North Atlantic based on the area of warm sea surface (A) and the NINO3.4 index.

Not exact matches

Warm sea surface temperature anomalies persist off to W and SW of San Diego, but are smaller than in previous weeks over the past month.
This cycle coincides with the natural rise and fall of sea surface temperatures in the North Atlantic, which fluctuate roughly 0.2 degree Celsius every 60 years as warm currents shift.
Higher sea surface temperatures led to a huge patch of warm water, dubbed «The Blob,» that appeared in the northern Pacific Ocean more than two years ago.
The finding surprised the University of Arizona - led research team, because the sparse instrumental records for sea surface temperature for that part of the eastern tropical Pacific Ocean did not show warming.
SEAS researchers suggest that early Mars may have been warmed intermittently by a powerful greenhouse effect, possibly explaining water on the planet's surface billions of years ago.
You need warm sea - surface temperatures, an environment of low wind shear, high humidity — and those are just a few of the conditions.
«We expected the storm would definitely get stronger because of much warmer sea surface temperature,» Lau said.
First, sea - surface temperatures in the Gulf of Mexico have been higher than normal in the past couple of months, due to global warming, which means the air that flowed north would have been warmer to start with.
The research, an analysis of sea salt sodium levels in mountain ice cores, finds that warming sea surface temperatures in the tropical Pacific Ocean have intensified the Aleutian Low pressure system that drives storm activity in the North Pacific.
Scientists define them as periods when the sea surface in a given area of the ocean gets unusually warm for at least five days in a row.
So this effect could either be the result of natural variability in Earth's climate, or yet another effect of carbon dioxide and other greenhouse gases like water vapor trapping more heat and thus warming sea - surface temperatures.
Studies of historical records in India suggest that reduced monsoon rainfall in central India has occurred when the sea surface temperatures in specific regions of the Pacific Ocean were warmer than normal.
In June 2015, NOAA researchers led by Thomas Karl published a paper in the journal Science comparing the new and previous NOAA sea surface temperature datasets, finding that the rate of global warming since 2000 had been underestimated and there was no so - called «hiatus» in warming in the first fifteen years of the 21st century.
Independent measurements of sea surface temperatures in the last two decades support a recent government analysis that found an increase in sea surface warming, according to a new study in the 4 January issue of the journal Science Advances.
The future of the currents, whether slowing, stopping or reversing (as was observed during several months measurements), could have a profound effect on regional weather patterns — from colder winters in Europe to a much warmer Caribbean (and hence warmer sea surface temperatures to feed hurricanes).
The unfavorable changes in the plankton ecosystem parallel a warming of the sea surface, Beaugrand says.
warming of the sea surface in the equatorial Pacific is associated with a vast fluctuation in atmospheric pressure.
«With warmer sea surface temperatures beneath the cloud, the coalescence process that produces precipitation becomes more efficient,» team member Richard S. Lindsen of M.I.T. explains.
Analyzing data collected over a 20 - month period, scientists from NASA's Goddard Space Flight center in Greenbelt, Md., and the Massachusetts Institute of Technology found that the number of cirrus clouds above the Pacific Ocean declines with warmer sea surface temperatures.
At the same time, the El Niño event brought warmer sea - surface temperatures, which have been shown to correlate with outbreaks of mosquito - transmitted diseases.
Because water expands as it warms, that heat also meant that sea surface heights were record high, measuring about 2.75 inches higher than at the beginning of the satellite altimeter record in 1993.
A warm bias in sea surface temperature in most global climate models is due to a misrepresentation of the coastal separation position of the Gulf Stream, which extends too far north of Cape Hatteras, North Carolina.
One study, led by Chris Funk of the U.S. Geological Survey and the University of California, Santa Barbara's Climate Hazard Group, looked at long - term warming of the sea surface in the North Pacific.
A second study, led by Hailan Wang of NASA's Goddard Space Flight Center, used different model simulations and came to a similar conclusion: While a warming sea surface did make it more likely that a high - pressure ridge could form, the signal was not strong enough to explain its extreme nature.
It's unclear whether this year's strong El Niño event, which is a naturally occurring phenomenon that typically occurs every two to seven years where the surface water of the eastern equatorial Pacific Ocean warms, has had any impact on the Arctic sea ice minimum extent.
At the same time as the surface is cooling, the deeper ocean is warming, which has already accelerated the decline of glaciers in the Amundsen Sea Embayment.»
Hurricanes are powered by energy pulled out of warm seawater, so sea surface temperature data collected by satellites is fed into forecast models to estimate their intensity.
Kevin Trenbeth, a climate scientist at the National Center for Atmospheric Research in Boulder, Colo., said the study didn't account for changes in sea surface temperatures, which are the main drivers of changes in the position of the rain belts (as is seen during an El Nino event, when Pacific warming pushes the subtropical jet over the Western U.S. southward).
«Cold, deep water from this little area of the Nordic seas, less than 1 % of the global ocean, travels the entire planet and returns as warm surface water.
Records of sea surface temperature from oceanic sediment cores, for example, show that the magnitude of warming following several previous glaciations are well - correlated (www.ncdc.noaa.gov/paleo/recons.html).
According to their observations, sea surface temperatures in the Atlantic can be up to 1.5 °C warmer in the Gulf Stream region during the positive phase of the AMO compared to the negative, colder phase.
When the AMO is in its positive phase and the sea surface temperatures are warmer, the study has shown that the main effect in winter is to promote the negative phase of the NAO which leads to «blocking» episodes over the North Atlantic sector, allowing cold weather systems to exist over the eastern US and Europe.
The study examined 27 years worth of satellite data for sea surface temperatures, previous coral bleaching events, and studied how corals responded to different seawater warming conditions.
The study marks the first time that human influence on the climate has been demonstrated in the water cycle, and outside the bounds of typical physical responses such as warming deep ocean and sea surface temperatures or diminishing sea ice and snow cover extent.
The study stops short of attributing California's latest drought to changes in Arctic sea ice, partly because there are other phenomena that play a role, like warm sea surface temperatures and changes to the Pacific Decadal Oscillation, an atmospheric climate pattern that typically shifts every 20 to 30 years.
In late 2010 and early 2011, the continent Down Under received about twice its normal complement of rain, thanks in large part to unusually warm sea - surface temperatures just north of Australia and a particularly strong La Niña — in essence, combining a source of warm humid air with the weather patterns that steered the moisture over the continent where it condensed and fell as precipitation.
Complementary analyses of the surface mass balance of Greenland (Tedesco et al, 2011) also show that 2010 was a record year for melt area extent... Extrapolating these melt rates forward to 2050, «the cumulative loss could raise sea level by 15 cm by 2050 ″ for a total of 32 cm (adding in 8 cm from glacial ice caps and 9 cm from thermal expansion)- a number very close to the best estimate of Vermeer & Rahmstorf (2009), derived by linking the observed rate of sea level rise to the observed warming.
The CPC officially considers it an event when the sea surface temperatures in a key region of the ocean reach at least 0.5 °C, or about 1 °F, warmer than average.
Understanding how layers of air insulate the surface of glaciers, for example, is vital to making accurate estimates of how fast they will melt — and sea levels will rise — as the Earth warms under its blanket of greenhouse gases.
When sea surface temperatures in that area warms, moisture - bearing winds shift northward, said Katia Fernandes of Columbia University's International Research Institute for Climate and Society.
The updated model predicted sea - surface warming of up to two degrees Celsius because of light absorption.
The results, presented here at the AAAS annual meeting on 14 February, showed that when the sea surface warmed off the coast of Peru in 1997 - 98, during El Niño, there was a marked increase in rates of cholera infection in Lima and nearby cities.
This region has experienced sea surface warming of as much as 1 °C over fifty years.
Combining the two techniques showed that deep - sea creatures dealt with a warmer climate long before their surface brethren did, they report in the online edition of Science.
With higher levels of carbon dioxide and higher average temperatures, the oceans» surface waters warm and sea ice disappears, and the marine world will see increased stratification, intense nutrient trapping in the deep Southern Ocean (also known as the Antarctic Ocean) and nutrition starvation in the other oceans.
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