Sentences with phrase «precipitation increases during»

Precipitation increases during summer months, although annual precipitation is still small.

Precipitation occurs about once every seven days in the western part of the region and once every three days in the southeastern part.77 The 10 rainiest days can contribute as much as 40 % of total precipitation in a given year.77 Generally, annual precipitation increased during the past century (by up to 20 % in some locations), with much of the increase driven by intensification of the heaviest rainfalls.77, 78,79 This tendency towards more intense precipitation events is projected to continue in the future.80

Not exact matches

Losing Amazon forest had a significant positive impact on the neighboring forests in eastern South America, mostly by increasing the precipitation there during the Southern Hemisphere summer.

«Extreme heat, precipitation linked to more severe asthma requiring hospitalization: Hospitalization risk increased 23 percent during summer months, with kids at even greater risk.»

Our study shows is that increases in the number of extreme heat and extreme precipitation events, particularly during summer months, lead to more asthma hospitalizations in Maryland.»

Similarly, extreme precipitation events during summer months increased the risk of asthma hospitalizations by 11 %.

«The overall predictions for the future of the area is of a more maritime climate, particularly warmer temperatures and increased precipitation during winter,» Høye says.

During an El Niño, satellites often observe a shift in precipitation over the ocean, specifically an increase in rain over the eastern Pacific, said Huffman.

The predictions matched actual rainfall measurements during the 75 - year period, both in the magnitude (amount) and the trend (increase or decrease) of precipitation.

Future modeling may explain some of the study's seemingly paradoxical findings, including the fact that, even as fires decreased by 2 to 7 percent each year from 2006 to 2013, precipitation during those years did not increase proportionately.

«According to climate predictions, annual precipitation is likely to decrease in the Southwest but increase in the eastern United States during the 21st century, therefore, the observed diverse trends of surface water body areas since 1984 could continue to occur in the future,» said Xiao.

Increasing evidence suggests that urban heat island effects extend to changes in precipitation, clouds and DTR, with these detectable as a «weekend effect» owing to lower pollution and other effects during weekends.

This increase in water levels matches an increase in precipitation observed during that same period (Figure 3 - 19) and suggests that climate — and specifically mountain precipitation — as and is the primary driver of Madison Limestone aquifer water levels (i.e., groundwater replenishment and storage).

A significant increase in spring precipitation (1.3 - 2.0 inches [3.3 - 5.1 cm]-RRB- has also occurred during this period for the eastern portion of the state.

The northwestern US, including Montana, experiences increased precipitation and cooler temperatures, while the southern states are drier and warmer during La Niña events.

In locations that are accustomed to getting snow during the winter, the total amount of snow each year is already decreasing as the planet warms from increasing greenhouse gases; the percentage of precipitation falling as snow is on the decline, with more of it falling as rain.

With higher precipitation, portions of this snow may not melt during the summer and so glacial ice can form at lower altitudes and more southerly latitudes, reducing the temperatures over land by increased albedo as noted above.

The likelihood of precipitation making an appearance during your holiday starts off at 5 % on May 1st and gradually increases up to 38 % by May 31st, making the first week of May the best time to visit if you want to avoid any wet weather.

«During November 2011 - January 2012, there is an increased chance of above - average temperatures across the south - central U.S. with the odds favoring below - average temperatures over the north - central U.S.. Also, above - average precipitation is favored across the northern tier of states, excluding New England, and drier - than - average conditions are more probable across the southern tier of the U.S. (see 3 - month seasonal outlook released on 20 October 2011).»

The open Arctic is such a prolific producer of precipitation that the increased winter snowfall amounts to more than the oblique rays of the sun can melt away during the short northern summer.

The related «News and Views» commentary by Richard P. Allan of the University of Reading expressed the findings well, saying the authors «provide evidence that human - induced increases in greenhouse - gas concentrations led to the intensification of heavy precipitation events over large swathes of land in the Northern Hemisphere during the latter half of the twentieth century.»

One can see that during La Nina events (in which case you mentally reverse the anomalies shown in the image), there is net convergence over the western Pacific which results in increased cloud cover and precipitation.

Both precipitation and temperature are high during a west circulation — and increase with its strength.

In commenting on their findings, the three researchers write that «the large number of stable glacier termini and glacier advances is influenced by positive glacier mass balances in the central Karakoram during the last decade,» citing Gardelle et al. (2012, 2013) and Kaab et al. (2012), which they indicate is «induced by increasing winter precipitation and decreasing summer temperatures since the 1960s,» citing Archer and Fowler (2004), Williams and Ferrigno (2010), Bolch et al. (2012), Yao et al. (2012) and Bocchiola and Diolaiuti (2013).

On average in the United States, the amount of rain falling during the heaviest 1 percent of rainstorms has increased nearly 20 percent during the past 50 years — almost three times the rate of increase in total precipitation.4, 5 The Midwest saw an even larger average increase of 31 percent, surpassed only by the Northeast (at 67 percent).4 Scientists attribute the rise in heavy precipitation to climate change that has already occurred over the past half - century.6

The air pressure over the Amazon basin may be inclined to be relatively low during La Niñas, possibly drawing in more Atlantic air — and moist, leading to increased precipitation.

For the entire Northern Hemisphere, there is evidence of an increase in both storm frequency and intensity during the cold season since 1950,1 with storm tracks having shifted slightly towards the poles.2, 3 Extremely heavy snowstorms increased in number during the last century in northern and eastern parts of the United States, but have been less frequent since 2000.11,15 Total seasonal snowfall has generally decreased in southern and some western areas, 16 increased in the northern Great Plains and Great Lakes region, 16,17 and not changed in other areas, such as the Sierra Nevada, although snow is melting earlier in the year and more precipitation is falling as rain versus snow.18 Very snowy winters have generally been decreasing in frequency in most regions over the last 10 to 20 years, although the Northeast has been seeing a normal number of such winters.19 Heavier - than - normal snowfalls recently observed in the Midwest and Northeast U.S. in some years, with little snow in other years, are consistent with indications of increased blocking (a large scale pressure pattern with little or no movement) of the wintertime circulation of the Northern Hemisphere.5 However, conclusions about trends in blocking have been found to depend on the method of analysis, 6 so the assessment and attribution of trends in blocking remains an active research area.

For example, the two models with the highest resolution (FLOR and HiFLOR) show increased extreme precipitation during the Atlantic hurricane season in the U.S. southeast.

In negative IPO phases, an El Niño — Southern Oscillation (ENSO)- precipitation teleconnection dominates Australian rainfall variability, but this connection fades and drought risk is increased during positive IPO phases [Power et al., 1999; Kiem and Franks, 2004; Cai et al., 2010].

SESA has been characterized by increasing summer precipitation, particularly during the late 20th century, which, in the context of favorable market conditions, has enabled increases in agricultural production.

As researchers documented in this graph, the region had experienced increasing precipitation during the Little Ice Age, followed by a sharp drying trend that began in the late 1700s, which triggered Kilimanjaro's retreat long before CO2 ever reached significant concentrations.

A reduced snow cover extent in the mountainous West changes the peak river flow, as does timing of increases in heavy and extreme precipitation reported in the United States, which is best reflected during the warm season.

Since large portions of the mid - and high latitude land areas have had increasing precipitation during the last half the 20th century, the question arises as to how much of this area is affected by increases in heavy and extreme precipitation rates.

This increases precipitation during the summer African monsoon season.

With wNA forest loss, there are significant declines in both precipitation and temperature during the early growing season, however it is the change in the relative humidity that dominates the observed increase in VPD.

The simulated change of GM in the last 30 yr has a spatial pattern that differs from that during the Medieval Warm Period, suggesting that global warming that arises from the increases of greenhouse gases and the input solar forcing may have different effects on the characteristics of GM precipitation.

If the AMO continues its quasi-cyclic behavior the US SW temperature should remain stable and the precipitation should significantly increase during the next few decades.

While the HadCM3 - projected mean annual precipitation during 2070 to 2099 at El Reno, Oklahoma, decreased by 13.6 %, 7.2 %, and 6.2 % for A2, B2, and GGa1, respectively, the predicted erosion (except for the no - till conservation practice scenario) increased by 18 - 30 % for A2, remained similar for B2, and increased by 67 - 82 % for GGa1.

Another paper criticized Wentz's analysis because he did not consider other factors which play a role in precipitation such as global brightening during the period of study; and the error bars in Wentz's estimate of the evaporation rate increase was considerable.

However, no anthropogenic influence can be detected for 1 - day and 3 - day surface runoff, as increases in extreme precipitation in the present - day climate are offset by decreased snow cover and lower frozen water content in soils during the May — June transition months, compared to pre-industrial climate.

Zhakarov's model is conceptually simple: during periods of high precipitation when winter ice forms readily, summer ice cover increases, the atmosphere cools, the arctic front together with its associated rain belt shifts south so that freshwater input to the Arctic Ocean decreases, and winter ice cover is thicker, has a deeper draft, and so survives better in summer.

According to the National Climate Assessment, average rainfall during heavy precipitation events across the Northeast, Midwest and Great Plains has increased by 30 percent since 1991.

Tropical Pacific warming during El Niño increases the north - south temperature differential, strengthening / shifting the jet stream southward and bringing increased California winter precipitation.

In particular, over NH land, an increase in the likelihood of very wet winters is projected over much of central and northern Europe due to the increase in intense precipitation during storm events, suggesting an increased chance of flooding over Europe and other mid-latitude regions due to more intense rainfall and snowfall events producing more runoff.

For example, the projected increase in extremely low precipitation and extremely high temperature during spring and autumn has substantial implications for snowpack water storage, wildfire risk, and terrestrial ecosystems (47).

This detectable increase in extremely low - precipitation years adds to the effect of rising temperatures and contributes to the increasing occurrence of extremely warm — dry 12 - mo periods during the 21st century.

Although these hydrological changes could potentially increase soil water availability in previously snow - covered regions during the cool low - ET season (34), this effect would likely be outweighed by the influence of warming temperatures (and decreased runoff) during the warm high - ET season (36, 38), as well as by the increasing occurrence of consecutive years with low precipitation and high temperature (Fig. 4A).

It is particularly remarkable that rainfall driven by the Westerly Maritime Stream from the Atlantic has not risen markedly since the 1970s despite the belief global warming has been dramatic during this period and the expectation of increased oceanic evaporation and associated precipitation that should accompany such warming.

Precipitation has increased during the last 25 years.

Will (and Crichton) would have been on firmer ground if they had used the example of Norwegian glaciers, which almost uniquely in the world have been growing because the increase of precipitation during winter is larger than the increase in melting in summer.