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Weather outlook across Europe over the next 7 days

Severe Weather Europe - 22. Mai 2018 - 15:54
The next 7 days or so will be characterized by the buildup of a very strong anticyclone over the northern half of Europe and more unsettled, but generally very warm weather over most of the southern half of Europe. Temperatures will definitely feel a lot like summer just before the meteorological summer begins on June 1. Much of southern and southwestern, to a lesser extent central and eastern Europe are under the influence of several broad upper lows. In particular a broad, but rather shallow upper low is located over the central Mediterranean, bringing unsettled weather with showers and thunderstorms to the region. A deep upper low is located over the Atlantic west of the Iberian peninsula. As the week
Kategooriad: Välismaa uudised

Hurricanes: Stronger, slower, wetter in the future?

ScienceDaily - 21. Mai 2018 - 20:15
Scientists have developed a detailed analysis of how 22 recent hurricanes would be different if they formed under the conditions predicted for the late 21st century.
Kategooriad: Välismaa uudised

Monitoring of tropical trees in face of climate change

ScienceDaily - 17. Mai 2018 - 17:23
Experts have challenged the principle that tropical ecosystems are aseasonal -- after discovering regular cycles in fruiting, flowering and leafing in such climates.
Kategooriad: Välismaa uudised

Critically endangered South American forests were planted by ancient peoples

ScienceDaily - 17. Mai 2018 - 15:18
Critically endangered South American forests thought to be the result of climate change were actually spread by ancient communities, archaeologists have found.
Kategooriad: Välismaa uudised

European wind energy generation potential in a 1.5 degree C warmer world

ScienceDaily - 17. Mai 2018 - 5:14
The UK and large parts of northern Europe could become windier if global temperatures reach 1.5 degrees C above pre-industrial levels, according to a new study.
Kategooriad: Välismaa uudised

Small birds almost overheat while feeding their young

ScienceDaily - 16. Mai 2018 - 17:14
For decades, researchers have thought that access to food determined the brood size of birds. Now, biologists have discovered a completely new explanation: the body temperature of small birds can increase by more than 4°C to exceed 45°C when they are feeding their young. Larger broods would require more work, resulting in even higher body temperatures -- something the birds would probably not survive.
Kategooriad: Välismaa uudised

Traditional knowledge sheds light on changing East Greenland climate and polar bear hunt

ScienceDaily - 15. Mai 2018 - 20:15
Inuit polar bear hunters in East Greenland report changes to their subsistence hunting patterns as well as polar bear distribution and behavior due to decreasing sea ice and the introduction of hunting quotas in 2006. The study is the first in nearly 20 years to document traditional knowledge in East Greenland -- providing a valuable baseline for monitoring future changes and the polar bear population.
Kategooriad: Välismaa uudised

Tiny satellite's first global map of ice clouds

ScienceDaily - 15. Mai 2018 - 18:35
Looking at Earth from the International Space Station, astronauts see big, white clouds spreading across the planet. They cannot distinguish a gray rain cloud from a puffy white cloud. While satellites can see through many clouds and estimate the liquid precipitation they hold, they can't see the smaller ice particles that create enormous rain clouds.
Kategooriad: Välismaa uudised

New approach to global-warming projections could make regional estimates more precise

ScienceDaily - 15. Mai 2018 - 18:35
A new method for projecting how the temperature will respond to human impacts supports the outlook for substantial global warming throughout this century - but also indicates that, in many regions, warming patterns are likely to vary significantly from those estimated by widely used computer models.
Kategooriad: Välismaa uudised

Impact of weather and well-timed cultural management techniques on organic weed control

ScienceDaily - 15. Mai 2018 - 17:57
Weed management can be a tough challenge in organic cropping systems since growers don't have herbicides in their weed control arsenal. New research, though, shows that weather conditions and well-timed cultural management techniques can help fill the void by making crops more competitive.
Kategooriad: Välismaa uudised

Prized data, free and open to all

ScienceDaily - 15. Mai 2018 - 17:56
The first official account of the electronic Rothamsted Archive and what it offers, highlights how this unique historical repository of agricultural and meteorological data, which date back to 1843, is the result of some remarkable forward thinking.
Kategooriad: Välismaa uudised

Insurance industry dangerously unprepared for extreme weather, study finds

ScienceDaily - 15. Mai 2018 - 15:17
As historic flooding caused by climate change devastates communities in New Brunswick and British Columbia, new research reveals the insurance industry hasn't considered a changing climate in their practices, putting homeowners at financial risk.
Kategooriad: Välismaa uudised

Record-breaking ocean heat fueled Hurricane Harvey

ScienceDaily - 10. Mai 2018 - 20:30
Record-hot Gulf of Mexico waters supercharged Hurricane Harvey, fueling it with vast stores of water and setting the stage for devastating flooding after it stalled near Houston.
Kategooriad: Välismaa uudised

Bird migration strategies revealed

ScienceDaily - 8. Mai 2018 - 18:17
Using weather surveillance radar and citizen-science data, researchers are learning how migratory birds return to their breeding grounds in North America each spring with near-pinpoint accuracy.
Kategooriad: Välismaa uudised

The headache of adapting to the cold, literally

ScienceDaily - 3. Mai 2018 - 21:29
A common genetic variant implicated in migraine headaches may have proliferated because it helped early humans adapt to cold weather in northern climates.
Kategooriad: Välismaa uudised

Temperature swings to hit poor countries hardest

ScienceDaily - 3. Mai 2018 - 21:27
Temperature fluctuations that are amplified by climate change will hit the world's poorest countries hardest, new research suggests.
Kategooriad: Välismaa uudised

'Hairdryer wind' melts snow in Antarctica in winter as well

ScienceDaily - 2. Mai 2018 - 17:40
Even though the sun does not shine in Antarctica in winter, in some places snow on the glaciers can melt. The cause: warm wind. Utrecht glacier researchers discovered that fact by combining the results of weather stations and satellite images.
Kategooriad: Välismaa uudised

Severe hailstorms, supercells over north and northwest Italy

Severe Weather Europe - 30. Aprill 2018 - 11:23
As expected thunderstorms, producing locally severe hailstorms, hit north and northwest Italy yesterday, April 29. Some beautiful supercells captured by storm chasers. . Lightning tracks across Italy over the past 24 hours. Note the concentration in northern and northwestern Italy (Lombardy, Piemonte). A large portion of 25 000 detected lightning flashes happened there. Map: Blitzortung.org Several isolated supercells formed over the plains of Lombardy and Piemonte, captured by Italian storm chasers. Persistent thunderstorms, mostly initiating with forced lift along the flank of the Alps in Piemonte produced locally persistent rainfall and hailstorms, producing flash flooding and large hail accumulations. Fresh from the field: Maurizio Signani captured this beautiful supercell near Leno (BS), north Italy. April 29. Excellent view of the
Kategooriad: Välismaa uudised

Severe thunderstorms hit eastern and northern France, BeNeLux and western Germany: first reports – tornadoes, large hail

Severe Weather Europe - 30. Aprill 2018 - 10:06
As expected, severe thunderstorms hit parts of eastern and northern France, BeNeLux and western Germany. Large hail and tornadoes reported. Lightning over Europe late on April 29 and early on April 30. The area hit by severe thunderstorms is marked with a white rectangle. Map: Blitzortung.org Tornadoes reported in northern-northeastern France At least one, and probably several tornadoes touched down in northeastern France. A tornado was captured by stormchaser Christophe Asselin on a supercell in the Marne department, near Bussy-le-Repos. #Tornade dans la #Marne près de Bussy-le-Repos le 29 Avril 2018. Un cliché que j’espérais en vain depuis 15 années de chasse dans nos contrées ! Me voici enfin récompensé :) pic.twitter.com/4MudOch6a6 — ChroniquesChaotiques (@ChroChao) 29 April 2018 Tornado damage
Kategooriad: Välismaa uudised

Severe thunderstorms likely across parts of France, BeNeLux and Germany this afternoon, April 29

Severe Weather Europe - 29. Aprill 2018 - 15:56
A robust severe weather setup is in place this afternoon and evening, April 29, for parts of eastern France, BeNeLux and Germany. Expect severe thunderstorms capable of producing large hail, severe straight line winds and torrential rainfall. The setup is quite impressive. While instability is limited at up to 800-1200 J/kg MLCAPE, the environment is impressively sheared. A 40-60 kt mid-level (500 mbar) southerly jetstreak overspreads the region. Backing surface easterlies are present, up to 10 kt, locally 15 kt across W-NW Germany, enhancing shear and helicity. Deep-layer shear is in ~40-60 kt range (!) while SREH3 up ~300 m2/s2 are supportive for organized supercell thunderstorms, however, rapid clustering is expected as storm motion is nearly parallel to the cold
Kategooriad: Välismaa uudised

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