Sentences with phrase «seasonal patterns which»

This is in part due to record hydro output in the Western United States, and more prominently due to seasonal patterns which cause both wind and hydro output to peak during spring months.

Not exact matches

He based his forecast on seasonal changes in buying and selling patterns and the fact that large speculators» net long position is now at 445,000 futures contracts, which suggests there is not much space for more buying before the seasonal selling starts.

Natural Gas Natural gas futures were among the quarter's key decliners -LRB--7.5 %, to US$ 2.73 per million British thermal units) as production growth outweighed seasonal consumption and higher exports of the fuel.1 Spot prices saw an even larger drop of 20.6 % (to US$ 2.81) as the support of December's weather - related demand spikes faded and a more normal winter pattern developed.1 Natural gas generally took its downward price cues from elevated US production and growth in the natural gas - focused rig count, which increased from 179 to 194 in March alone.2 Despite the price drop, traders remained optimistic given surging US shale - gas exports and a supply deficit that was 20 % larger than the five - year average at March - end, the biggest in four years.3 Moreover, total natural gas inventories of 1.38 trillion cubic feet were nearly 33 % below their year - ago level.3 Meanwhile, the market appeared focused on an anticipated production surge (2018 is projected to be a record growth year for gas supplies) and may have overlooked intensifying demand as US exports increasingly helped drain supplies.

These patterns can be discerned at a glance on a seasonal chart, which is calculated by averaging the performance of the stock over the past 20 years.

These «natural disasters» are the result of seasonal weather patterns and global warming, which has in the last decade produced a great number of weather events to move in a Northerly direction.

Hubbell points out that while shifting winds and swirling tides do introduce an element or randomness, mollusk larva dispersal does follow seasonal patterns, which have been shown to influence community makeup in previous studies.

This is exactly the opposite pattern seen with seasonal influenza, which primarily causes severe disease in the elderly.

The strength of these signals varies according to a seasonal pattern, which was expected because Earth's velocity should change relative to the surrounding dark matter as it revolves around the Sun.

This seems to be associated with particular patterns of change in sea surface temperature in the Atlantic and Pacific oceans, a teleconnection which is well - captured in climate models on seasonal timescales.

The spikes remained even after they accounted for things like unemployment and the housing market, which also tend to follow seasonal patterns.

He also performed an extensive analysis of over 20,000 samples of dairy products sent to him at two - week or four - week intervals from all over the world and created charts of the seasonal fluctuation of the amounts of fat - soluble vitamins in the butter and found that in each district, the government records for pneumonia and heart disease showed a pattern inversely associated with the fat - soluble vitamin content, which was one of many pieces of evidence supporting his theory that tooth decay and other degenerative diseases shared a common nutritional cause.

There is a distinct annual pattern to the NSA data, and I have done my own seasonal adjustments and they do not reduce that variability nearly as much as the BLS methods which involve ARIMA models.

There can / will be local and regional, latitudinal, diurnal and seasonal, and internal variability - related deviations to the pattern (in temperature and in optical properties (LW and SW) from components (water vapor, clouds, snow, etc.) that vary with weather and climate), but the global average effect is at least somewhat constrained by the global average vertical distribution of solar heating, which requires the equilibrium net convective + LW fluxes, in the global average, to be sizable and upward at all levels from the surface to TOA, thus tending to limit the extent and magnitude of inversions.)

A La Nina event appears to set up a series of seasonal pressure waves which are the reverse of what you should see during a neutral or positive ENSO pattern.

The clear seasonal pattern in generation rates reflects variation in solar irradiance, which is higher in the summer and lower in the winter.

«Our dataset, which starts in January 2012, continues to grow in length, and that will allow us to look for patterns in seasonal and day - versus - night winds,» said James.

The increase in trapped heat changes the climate and alters weather patterns, which may change the timing of seasonal natural events, and the frequency of extreme weather events.

Future research should aim to quantify both seasonal patterns in emission and the extent to which water - column mixing and other short - term events contribute to annual - scale GHG emissions.

The North Atlantic Oscillation is a fluctuation of atmospheric pressure measured between Iceland and the Azores, which can determine the seasonal weather patterns of Europe, North Africa and the Middle East.

According to Gerry Bell, Ph.D., NOAA's lead seasonal hurricane forecaster, the major climate factors expected to influence this year's activity are the ongoing multi-decadal signal, which produces wind and atmospheric pressure patterns favorable for hurricane formation, along with ongoing warmer - than - normal sea surface temperatures.

Arctic ice melt itself is expected to lead to a change in polar atmospheric circulation patterns, which will likely produce a shift in seasonal climate patterns.

Sampling errors estimated from different reanalyses and from seasonal forecasts yield qualitatively comparable spatial patterns, in which the actual values of uncertainties are controlled by the magnitudes of synoptic variability.

Just last September, an acoustic monitoring program was established by the Bioacoustics Research Program at the Cornell Lab of Ornithology in alliance with the New York State Department of Environmental Conservation for this very reason: to track whales» seasonal migration patterns and provide information to New York state policymakers who develop strategies and management plans to protect these threatened mammals.This listening system originated with the thirteen high - tech buoys deployed around Massachusetts Bay which sounds an alarm to ship captains warning them of the presence of whales so that they will reduce the sped of their vessels to 10 knots.

«This is a seasonal pattern, but we're now seeing a general increase in buyer traffic, which is 25 percent above a year ago.»

«Uncharacteristic or significant weather conditions can affect consumer shopping patterns, particularly in apparel and seasonal items, which could lead to lost sales or greater than expected markdowns and adversely affect our short - term results of operations,» Target noted in its annual filing with the SEC.

Add a touch of seasonal dcor to your home with by displaying your Christmas cards using our Christmas Garland Buntings, which is available in a heart pattern.