Välismaa uudised

Sea surface temperatures across the Mediterranean – August 1, 2018

Severe Weather Europe - 1. August 2018 - 3:05
It is peak summer holidays season and many of you are probably heading to some part of the Mediterranean. It had been rather cool for a significant part of the summer, but it has now warmed up considerably. Also, higher sea surface temperatures lead to more evaporation and more moisture in the air, which in turn provides more instability and increased severe potential in thundertorms. Let us take a closer look. Adriatic sea: has finally gotten to long term average temperatures, even somewhat above average in the northern part. It is up to about 28 °C in the northern part, locally even up to 30 °C. Somewhat cooler in the central part, particularly along the Croatian coast at 24-26 °C.
Kategooriad: Välismaa uudised

What is causing more extreme precipitation in northeastern U.S.?

ScienceDaily - 31. Juuli 2018 - 23:41
From Maine to West Virginia, the Northeast has seen a larger increase in extreme precipitation than anywhere else in the US. Prior research found that these heavy rain and snow events, defined as a day with about two inches of precipitation or more, have been 53 percent higher in the Northeast since 1996. A new study finds that hurricanes and tropical storms are the primary cause of this increase, followed by thunderstorms along fronts and extratropical cyclones like Nor'easters.
Kategooriad: Välismaa uudised

Extreme fire danger during the intense heat wave across Spain and Portugal this week

Severe Weather Europe - 31. Juuli 2018 - 20:12
An extremely dangerous heat wave is developing across the Iberian peninsula and will be peaking this coming weekend. It could locally be record or near-record breaking as various models are forecasting daytime temperatures close to +50 °C! An additional concern will be strongly enhanced fire danger due to a combination of a very high heat, extremely dry airmass and windy conditions. An extreme fire danger will develop after Thursday and could potentially be catastrophic if wildfires occur anywhere across the west/south-central Spain and Portugal! Here are the known records of the highest ever recorded temperature across our continent – keep in mind various models are peaking into 46-49 °C over the WSW Iberia this weekend. We could indeed set a
Kategooriad: Välismaa uudised

Extreme north of Norway hits 30 °C, up to 32 °C at 70°N!

Severe Weather Europe - 31. Juuli 2018 - 14:27
Exceptionally high temperatures in the extreme north of northern Europe are becoming an every day occurrence. It was yet another hot day yesterday for the region. Banak, Norway again hit 32 °C (32.3), several station north of it hit 29-30 °C. Other parts of Norway further south, as well as parts of sweden and Finland climed up to 30-33 °C. Maximum temperatures across north Europe on Monday, July 30, 2018. Map: meteociel.fr More hot weather across the region in the next few days, as temperartures remain 8-12 °C above average. 3-day GFS temperature anomaly model guidance. Maps: Climatereanalyzer.org
Kategooriad: Välismaa uudised

Update on the extreme heat wave for Iberia – confirmed!

Severe Weather Europe - 31. Juuli 2018 - 11:43
The Iberian peninsula is in for an intense heat wave: expect temperatures surging towards 50 °C in some places in WSW Spain and S-CNTRL Portugal! We take a look at the latest model guidance. The latest model guidance is confirming the development of an extreme heat wave for the Iberian peninsula later this week. With around 30-31 °C at 850 mb (approximately 1500 m above sea level height), the peak afternoon temperatures from Friday through Sunday are now expected to reach between 45 and 50 °C in a broad area across west-southwest Spain and south-central Portugal. Peak temperatures on Friday, Aug 3rd; 44-46 °C in SW Spain, 45-49 °C in south-central Portugal. Peak temperatures on Saturday, Aug 4th; 44-47 °C
Kategooriad: Välismaa uudised

Temperatures hit 32 °C far in the Arctic circle yet again – July 30, 2018

Severe Weather Europe - 30. Juuli 2018 - 23:56
More extreme heat in north Europe today! Temperatures again reached 30 °C and even slightly above. Top temperatures up to 32 °C as far as 70°N! Temperatures across north Europe on Monday, July 30, 2018 at 12:30 UTC. Map: meteociel.fr North Europe is experiencing a prolonged stretch of hot and dry weather: temperatures reached 33 °C in the fjords of Norway during the weekend. Pattern outlook suggests the heat will continue for several more days before a major change.
Kategooriad: Välismaa uudised

Solar flares disrupted radio communications during September 2017 Atlantic hurricanes

ScienceDaily - 30. Juuli 2018 - 21:54
An unlucky coincidence of space and Earth weather in early September 2017 caused radio blackouts for hours during critical hurricane emergency response efforts, according to a new study. The new research, which details how the events on the Sun and Earth unfolded side-by-side, could aid in the development of space weather forecasting and response, according to the study's authors.
Kategooriad: Välismaa uudised

Australia facing extremely intense rain storms

ScienceDaily - 30. Juuli 2018 - 19:02
Large increase in sudden downpours in the last 50 years, with the amount of water falling in hourly rain storms (for example thunderstorms) increasing at a rate 2 to 3 times higher than expected.
Kategooriad: Välismaa uudised

A hot week ahead for much of Europe (July 30 – August 5, 2018)

Severe Weather Europe - 30. Juuli 2018 - 17:56
This week started with a quite interesting pattern across our continent; a streghtening ridge from SSW Europe expands across central Europe and connects with a powerful upper ridge across N Europe. While very warm weather remains across Fennoscandinavia and towards North Pole, much warmer weather is also arriving into central Europe. Heat wave is strengthening. A large upper trough/low over N Atlantic advects maritime airmass into western Europe, so cooler temps remain there for now. While ridging pattern is a limiting factor for large scale organized severe weather, moist boundary layer is resulting in moderate to strong instability, especially across the Balkan peninsula, ESE Europe and surrounding areas. Despite lack of wind shear, widespread convective activity will continue for whole
Kategooriad: Välismaa uudised

Extreme heat wave coming to Spain and Portugal later this week

Severe Weather Europe - 30. Juuli 2018 - 12:46
A heat wave is coming to Spain and Portugal later this week. Much of Portugal as well as central, southern and western Spain are looking at daytime highs exceeding 40 °C and locally potentially even at 45 °C! The pattern in the second half of this week will support a strengthening upper ridge from SW into west-central Europe, so stable and hot conditions are expected. As center of the ridge will be close to the western Europe, the flow will allow an extremely warm airmass to advect and maintain over Iberian peninsula. 850 mb (approximately 1500 m above sea level) temperature peaking at 30-31 °C which is very extreme for any place in Europe: Various models are hitting extremely high
Kategooriad: Välismaa uudised

Hot weather in northern Europe and inside the Arctic circle during the weekend (again)

Severe Weather Europe - 30. Juuli 2018 - 12:21
Temperatures again soared above 30 °C across parts of north Europe this weekend. Foehn winds warmed the fjords of western Norway up to 33 °C and up to 30 °C far north at 70°N, within the Arctic circle. On Saturday the coast of western Norway hit up to 33 °C as Foehn winds warmed the fjords. Banak, Norway at 70 °N pushed to 31 °C. Maximum temperatures across north Europe on Saturday, July 28, 2018. Map: meteociel.fr Temperatures again pushed to 30 °N as far north as Banak, Norway on Sunday. Daytime highs in the upper 20s and even above 30 °C were recorded across much of north Europe. Maximum temperatures across north Europe on Sunday, July 29, 2018. Map:
Kategooriad: Välismaa uudised

Dangerous heat wave for west-central Europe this weekend!

Severe Weather Europe - 27. Juuli 2018 - 13:51
The pattern evolution this week lead into significant heat wave development across western Europe, where very hot weather with peak afternoon temperatures between 35-38 °C was experienced – Excessive heat across parts of Europe, July 26th. Very warm airmass from SW Europe advected into western and partly central Europe and should remain there today as well. Tonight a cold front with much cooler airmass will be pushed in from the west, bringing a much needed refreshment into France and Benelux. However, this is only temporarily, heat returns into the region on Sunday! The hottest weather in Europe today can be expected across NE France and Benelux. Locally, peak afternoon temperatures should climb into 37-39 °C range! Very hot weather also
Kategooriad: Välismaa uudised

Excessive heat across parts of Europe yesterday, July 26th

Severe Weather Europe - 27. Juuli 2018 - 12:44
A significant heat wave affected across parts of Europe yesterday, as very warm airmass from SW Europe advected into western and partly central Europe. Max afternoon values reached up to 38 °C in some regions, very warm and hot weather continued across southern Scandinavia as well. Up to almost +35 °C in SE Enlgand! NW Germany and Benelux around +37 °C! Up to +32 °C in S Norway, +34 °C in S Sweden and +32 °C in S Finland! Up to +33 °C in Balkan peninsula and Adriatic coast, up to +35 °C in central Italy! Up to +38 °C in north-central France! Up to +39 °C in NE Spain!
Kategooriad: Välismaa uudised

Europe may thrive on renewable energy despite unpredictable weather

ScienceDaily - 26. Juuli 2018 - 23:12
Researchers have shown how long-term weather patterns affect wind and solar renewable energy technologies across Europe. The work suggests that despite the unpredictable nature of wind and solar energy, the European power system can comfortably generate at least 35 percent of its electricity using these renewables alone without major impacts on prices or system stability.
Kategooriad: Välismaa uudised

Leggy lizards don't survive the storm

ScienceDaily - 26. Juuli 2018 - 16:00
Biologists have published a first-of-its-kind look at the physical characteristics of lizards that seem to make the difference between life and death in a hurricane.
Kategooriad: Välismaa uudised

New clues to origins of mysterious atmospheric waves in Antarctica

ScienceDaily - 26. Juuli 2018 - 15:57
Scientists find a link between gravity waves in the upper and lower Antarctic atmosphere, helping create a clearer picture of global air circulation.
Kategooriad: Välismaa uudised

Intense wildfires hit Attica, Greece

Severe Weather Europe - 25. Juuli 2018 - 13:34
Major wildfires hit Attica, Greece over the past few days. At least 74 fatalities have been reported so far, with many more injured by the intense blazes. People sought refuge all the way to the beach and in the sea. Many were trapped in cars and unable to escape the rapidly spreading fires. Prime minister Alexis Tsipras has announced three days of national mourning. We take a look at reports from the last two days:
Kategooriad: Välismaa uudised

Heat wave developing across Europe into the last days of July

Severe Weather Europe - 25. Juuli 2018 - 13:27
The current pattern reveals a strenghtening ridge across the western Europe, while a large upper low / pool of low geopotential heights is placed across the southeastern Europe. Unsettled conditions with widespread convective activity will be on going there today, where quite unstable but weakly sheared environment is present – expect flash floods threat locally. Looking closely at north Europe, a short wave with a frontal wave is crossing Norway. It will result in scattered convective storms later today, especially across Sweden. Here is the wind shear and CAPE map for northern Europe for today. Moderate instability should build up within mid-10s dewpoints airmass ahead of an approaching frontal boundary, overlapping with moderate to strong wind shear. This suggests organized
Kategooriad: Välismaa uudised

Very hot weather in southeast England yesterday, July 23rd

Severe Weather Europe - 24. Juuli 2018 - 10:41
A strengthening ridge from SW Europe is expanding northwards and brought stable conditions over the UK yesterday. Mid-level temperatures were supporting afternoon temperatures to climb much higher than previous days. Monday was a pretty hot day across parts of the United Kingdom. Southeastern England peaked into the low 30s yesterday afternoon, July 23rd. In fact, many stations peaked into 31-32 °C range, some of them even exceeded the 32.2 °C treshold (90 F for our friends across the Pond). While the ridge continues expanding north and east, a trough from the Atlantic will push it further east so expect the British Isles and Ireland to get back into normal temperatures after today. Still, models are picking up another very warm
Kategooriad: Välismaa uudised

Cold wave reveals potential benefits of urban heat islands

ScienceDaily - 23. Juuli 2018 - 21:30
Researchers have found that the urban heat island effect -- cities are hotter in the summer than their surrounding areas -- also helps keep cities warmer during extreme cold. The findings have implications for urban planners in areas such as New York City or Chicago, which experience marked seasonal temperature swings.
Kategooriad: Välismaa uudised

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