Välismaa uudised

Snowfall expected over parts of the Alps on Friday and Saturday, June 22 & 23

Severe Weather Europe - 20. Juuni 2018 - 20:08
The strong cold push over parts of Europe in the next few days will also result in summer snowfall in parts of the Alps. Snow will be limited to higher elevations, of course, but some parts may see up to ~10 cm. Let us take a closer look. 0 °C isotherm altitude early on Saturday. Note altitudes below 2000 m over central Austria. Map: Meteociel.fr Late on Friday and early on Saturday, the 0° C isotherm (altitude level) behind the advancing cold front will likely drop to below 2000 m across northern and central Austria and below 2500 m over Slovenia, eastern Switzerland and northeastern Italy. Snowfall early on Saturday. Map: meteociel.fr Accumulated snow by early on Saturday. Map: meteociel.fr
Kategooriad: Välismaa uudised

Significant cold outbreak across E-CNTRL Europe through the next 7 days

Severe Weather Europe - 20. Juuni 2018 - 18:59
The weather across Europe has been pretty warm (locally hot) through the last weeks but our continent is coming into a quite significant pattern change this weekend as ridging collapses with a deep trough and cold outbreak pushed far south from Scandinavia across east-central Europe and Balkan peninsula. Some unusually cold days will follow after tomorrow, Thursday, June 21st. Looking at the 10-day temperature trends across Europe, this cold shot can be easily seen starting from Scandinavia on Thursday and gradually progressing into east-central and southeastern Europe with much colder airmass behind the main cold front. The map in the animation below is an overview of 2 m temperature trends across Europe: notice how much colder some days will be
Kategooriad: Välismaa uudised

Whether wheat weathers heat waves

ScienceDaily - 20. Juuni 2018 - 16:47
Unlike humans, crops in a field can't move to air conditioning to endure a heat wave. Scientists in Australia are working to understand how heat waves impact wheat.
Kategooriad: Välismaa uudised

New method makes weather forecasts right as rain

ScienceDaily - 15. Juuni 2018 - 22:45
Meteorologists have known for some time that rainfall forecasts have flaws, as failure to take into account factors such as evaporation can affect their accuracy. Now, researchers have developed a system that improves the precision of forecasts by accounting for evaporation in rainfall estimates, particularly for locations 30 miles or more from the nearest National Weather Service radar.
Kategooriad: Välismaa uudised

To forecast winter rainfall in the Southwest, look to New Zealand in the summer

ScienceDaily - 13. Juuni 2018 - 17:19
Scientists have discovered an atmospheric teleconnection that allows them to accurately predict winter precipitation in the southwestern United States by measuring summer sea surface temperatures near New Zealand.
Kategooriad: Välismaa uudised

Researchers investigate the correlation between wind and wave height in the Arctic Ocean

ScienceDaily - 12. Juuni 2018 - 15:00
An international research team has found an increase in high waves and winds in the ice-free waters of the Arctic Ocean, a potentially dangerous navigational tipping point for the 'new and unusual' state of the waters.
Kategooriad: Välismaa uudised

Warmer climate will dramatically increase the volatility of global corn crops

ScienceDaily - 11. Juuni 2018 - 22:27
Warmer temperatures by the end of this century will dramatically increase the volatility in global supplies of corn, the most widely grown crop in the world.
Kategooriad: Välismaa uudised

Hurricanes are slowing down, and that's bad news

ScienceDaily - 8. Juuni 2018 - 7:32
Some hurricanes are moving more slowly, spending increased time over land and leading to catastrophic local rainfall and flooding, according to a new study.
Kategooriad: Välismaa uudised

Injuries and loss of life boost religious faith after disasters

ScienceDaily - 6. Juuni 2018 - 0:25
Weather-related disasters can make people more religious but it depends on the toll they inflict, suggests new research. If a disaster injures a significant number of people, it can strengthen religiosity among those who are already religious. But if a disaster inflicts mostly economic damage, the opposite effect applies.
Kategooriad: Välismaa uudised

Storm's coming: New technique for simulation of extreme weather events

ScienceDaily - 4. Juuni 2018 - 18:24
Scientists have developed a new method for generating data for ensemble simulation of extreme weather phenomena. He tested the method in simulation of a typhoon and a global warming simulation, and successfully created the necessary range of data in each case. The method has high computational stability and can be applied to any type of extreme weather event or other types of problems such as land cover change.
Kategooriad: Välismaa uudised

Cool weather can amplify attacks of tree-killing bark beetle

ScienceDaily - 31. Mai 2018 - 20:11
New research looks at how the destructive southern pine beetle reacts to cooler weather in its climate-induced, new northern ranges.
Kategooriad: Välismaa uudised

Climate change increasing risks of lightning-ignited fires

ScienceDaily - 31. Mai 2018 - 15:44
Fires ignited by lightning have and will likely continue to increase across the Mediterranean and temperate regions in the Southern Hemisphere under a warmer climate, according to a new study co-led by a Portland State University researcher.
Kategooriad: Välismaa uudised

Huddling for survival: monkeys with more social partners can winter better

ScienceDaily - 30. Mai 2018 - 18:31
Wild monkeys which have more social partners form larger huddles in adverse weather and have a better chance of surviving winter, new research has found. The study is the first to show that such social bonding may be connected to higher 'fitness' -- the term used by scientists to measure of how well animals can cope with their local ecological conditions, usually measured by reproductive success and survival.
Kategooriad: Välismaa uudised

Increasing heat is driving off clouds that dampen California wildfires

ScienceDaily - 30. Mai 2018 - 18:29
Sunny California may be getting too sunny. Increasing summer temperatures brought on by a combination of intensifying urbanization and warming climate are driving off once common low-lying morning clouds in many southern coastal areas of the state, leading to increased risk of wildfires, says a new study.
Kategooriad: Välismaa uudised

The case of the relativistic particles solved with NASA missions

ScienceDaily - 29. Mai 2018 - 21:09
Encircling Earth are two enormous rings -- called the Van Allen radiation belts -- of highly energized ions and electrons. Various processes can accelerate these particles to relativistic speeds, which endanger spacecraft unlucky enough to enter these giant bands of damaging radiation. Scientists had previously identified certain factors that might cause particles in the belts to become highly energized, but they had not known which cause dominates.
Kategooriad: Välismaa uudised

China floods to hit US economy: Climate effects through trade chains

ScienceDaily - 28. Mai 2018 - 22:19
Fluvial floods will increase due to human-made climate change, in particular in China. This might raise direct and indirect economic losses along the global supply and trade chains. The US is susceptible to indirect climate-related economic losses due to its negative trade balance with China. Trump's tariffs might further reduce the resilience of the US economy.
Kategooriad: Välismaa uudised

Major amounts of Saharan dust expected across western Europe over the weekend

Severe Weather Europe - 25. Mai 2018 - 20:35
A new round of Saharan dust will be pushed across western and southwestern Europe this weekend. Major amounts of Saharan dust are expected over Spain and France and to a lesser extent Belgium and southern UK. Strong southerly warm air advection has set up ahead of the cutoff low located over SW Iberian peninsula. Very warm air loaded with Saharan dust is being pushed across the western Mediterranean into western Europe. Expect dusty skies and deposition of the dust with rain from showers and thunderstorms expected across the region. See maps with details below. Dust load. Maps: University of Athens, SKIRON model.
Kategooriad: Välismaa uudised

New theory finds 'traffic jams' in jet stream cause abnormal weather patterns

ScienceDaily - 24. Mai 2018 - 21:16
A study offers an explanation for a mysterious and sometimes deadly weather pattern in which the jet stream, the global air currents that circle the Earth, stalls out over a region. Much like highways, the jet stream has a capacity, researchers said, and when it's exceeded, blockages form that are remarkably similar to traffic jams -- and climate forecasters can use the same math to model them both.
Kategooriad: Välismaa uudised

Some desert creatures may be able to cope with climate change better than expected

ScienceDaily - 24. Mai 2018 - 21:15
Ecologists have no doubt that climate change will affect the earth's animals and plants. But how exactly? This is often hard to predict. There are already indications that some species are shifting their distribution range. But it is much less clear how individual animals and populations are responding to the changes. Scientists have been studying nocturnal desert geckos to see how they are adapting to climatic changes.
Kategooriad: Välismaa uudised

Impressive supercell show in New Mexico, May 23, 2018

Severe Weather Europe - 24. Mai 2018 - 19:11
A look across the Pond: it has been a pretty dismal storm season in the US so far. By May 23 NOAA Storm Prediction Center has confirmed reports of 310 tornadoes, while during an average year the expected number would be about 518. Nevertheless, storm chasers in New Mexico were treated to a beautiful show near Picacho: a beautifully structured supercell, complete with a tornado. Other supercells were also reported in the area. Check out the photos and videos below. Picacho New Mexico Tornado from Ryan Shepard on Vimeo.
Kategooriad: Välismaa uudised

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