It is known in Greek as μπόρα (mpóra, pronounced bora) and Italian as bora. The edges of these clouds are sharp while their lower surfaces are horizontal. Jugo. The resulting . If the wind strengthens in the evening time, we can expect that the bora will blow for another few days. A set of nested surveys occupied after a strong Bora event captured the counter-rotating gyres and upwind extension of the Po River plume (Fig. flowing westward to follow the bathymetry (forming the Mid-Adriatic Filament (MAF)), with the remainder continuing north along the Croatian coast. Besides the forecast for the Adriatic Sea, Bora offers a forecast of meteorological parameters for the whole of Croatia and the surrounding region. [11], In February 2012, during the Eastern European Cold Wave, the shoreline in Senj froze and snow piled up after a 150 km/h bora plummeted the temperature to −14 °C, with waves of 7 metres. This site uses cookies to offer you a better browsing experience. Summers are warm and dry whereas winters are very mild with short spells of rain as in the Balearics or Corsica. The passage is known as Senjska vrata. They have influenced the region's traditional lifestyle and architecture. The severity of bora is well known and exemplified by its gusts, which can exceed 60 m s −1.Because of their severity and very frequent occurrence, in particular during the cold season, bora substantially influence the way of life of the local people. The bora winds are strongest in the Velebit Mountains in Croatia. [2003] and Signell et al. Keep your Pico up to date for the latest features and best performance. Location: The Adriatic coast of the Balkans The bora is a cold and typically very dry and often gusty katabatic wind (fall-wind) from the north-east. Besides the forecast for the Adriatic Sea, Bora offers a forecast of meteorological parameters for the whole area of Croatia and the surrounding region. When Bura is of local origin, it will blow itself out in less than a day. They prevail in the winter period from September to May. On the other hand, the bora, blowing towards the islands of Sv. After the bora starts to blow the caps begin to break, and their disappearance is the sign that bora is about to stop blowing. However, the peak frequency occurs in the cold season (November - March). The winds blow into different directions. The winds blowing in the Velebit Canal rush down the extremely steep slopes from the peaks which reach the height of 1000 m or more. When the cold air above the land rises, it rolls over the steep slopes towards the sea. al., 2005) provides a multi-disciplinary description of the February 2003 Bora event and . As shown, Bora - Adriatic Sea flow is generally confined to the Adriatic Sea area, as the Alps to the north, and the Apennines to the west, … It blows in gusts. The bora ripped the trees from the soil and destroyed roofs of houses. During the most popular chartering season, May through November, blue skies and warm weather prevail. [vc_row 0=””][vc_column 0=””][vc_column_text 0=””], Ishore of Cavtat and cape Oštri rt (Croatia-Montenegro border). weather.mailasail.com/Franks-Weather/Weather-Western-Mediterranean This type of bora is localized, extending only a few miles offshore. Grgur and Rab. Settled weather starts 2 or 3 weeks later than in the Ionian, and dissolves into periods of heavy thunderstorms a couple of weeks earlier. It reaches out a dozen kilometers from the coast and rarely reaches a medium severity on the Adriatic. In the western part of the Adriatic coast, the temperature drops to 9 °C (48 °F) during the winter. Experienced seamen have a proverb: "When the bora sails, you don't! Near the towns of Senj, Stara Novalja, Karlobag and the southern portal of the Sveti Rok Tunnel in Croatia, it can reach speeds of up to 220 kilometers per hour. After a lovely sunrise, it began to rain by the time we collected our boats’ papers from the reception office. A strong bora will often be reported on Italian television news. The stronger winds occur along the eastern shores of the Adriatic Sea and are usually less intense over the open waters while they rarely reach the shores of the Italian coast. Location: The Adriatic coast of the Balkans The bora is a cold and typically very dry and often gusty katabatic wind (fall-wind) from the north-east. Wind & weather: Bora, Jugo, Mistral, etc The Slovenian and Croatian Adriatic coastlines have the Mediterranean climate with dry, hot summers. Bora can reach gale-force speed. The jugo is a warm, humid east-southeast wind. The prevailing wind in the summer is the maestral. Bora is the most typical wind of the eastern Adriatic coast and is usually a sign of pleasant weather conditions. [5] As the air grows even colder and thus denser at night, the bora increases. The seaside mountain chain is a huge climatic and weather divide between the Mediterranean climate of the Adriatic coast … Sailing during the bora can be challenging and it requires caution, regarding readiness of both the boat and its crew. Weather conditions with updates on temperature, humidity, wind speed, snow, pressure, etc. ... Split - Makarska, (6) Peljesac and (7) Dubrovnik. Bora - Adriatic Sea develops in the winter when cold polar air builds over the Balkans and flows katabatically through the valleys of the Dinaric Alps and into the Adriatic Sea. It blows from the continent, i.e. to reproduce a northern Adriatic counterclockwise gyre (inferred from advanced very high resolution radiometer images) during a specific Bora event. Short, high waves with white crests are its characteristics, making the navigation difficult. These, so called bora lee regions are as follows: The area where some of the strongest bora winds occur is the Velebit mountain range in Croatia. As a result, we have a landscape of unique beauty that offers a relatively mild climate, despite having a typical mountain terrain. Shorter Sunny Season. Bora-Bora - Weather forecast from Theweather.com. The white bora is characterized by almost cloudless skies, cold weather, and good visibility on the lee side of the coastal mountains, and a thick cloud on the crest of the mountains. In English, the name bora is used. Historical linguists speculate that the name may derive from a Proto-Indo-European root *gworhx- 'mountain', which gave rise to Germanic burg and berg.[4]. Bora winds can occur anytime during the year. The first evident signals of an anticipated bora are the formation of whitish clouds (“kape” or in English caps) that cover the tops of the maritime mountains (Velebit, Učka, Biokovo – Croatian and Nanos – Slovenia). A bora is a gusty northeasterly downslope wind along the eastern Adriatic that is strongly influenced by local processes and orography. F. von Wrangel, "Die Ursachen der Bora in Noworossisk". Especially in a warmer part of the year the first clear signs of the coming bora are the formation of large storm clouds and lightning without thunder. The cold Bora winds blow during the winter months and the south wind called Jugo brings clouds and rain, but there is plenty of sunshine at this time. It is a dry and cold wind blowing from the north-eastern quadrant. The bura (bora) and the jugo-siroco (jugo-scirocco) are the main winds on the Adriatic. During the most popular chartering season, May through November, blue skies and warm weather prevail. The area where some of the strongest bora winds occur is the Velebit mountain range in Croatia. The wind takes two different traditional names in areas of Italy depending on associated meteorological conditions: the "light bora" (Italian: bora chiara) is a bora in the presence of clear skies, whereas clouds gathering on the hilltops and moving towards the seaside with rain or snow characterize the "dark bora" (bora scura). The bura (bora) and the jugo-siroco (jugo-scirocco) are the main winds on the Adriatic. It is accompanied by heavy clouds and rain. The sirocco is a SE wind, which brings warm, humid air to the Adriatic area. Pullen et al. It is a dry and cold wind blowing from the north-eastern quadrant. In season, there are more periods of thunderstorms in the north Adriatic. However, the peak frequency occurs in the cold season (November - March). Bora usually emerges due to the difference between the temperature of the air above the land and the sea surface temperature. The direction from which it blows can differ and is not always the same. Bora is the most typical wind of the eastern Adriatic coast and is usually a sign of pleasant weather conditions. Rain, Hail and Snow The cookie settings on this website are set to "allow cookies" to give you the best browsing experience possible. Since the bora is a cold and thus a heavy wind it cannot raise over the slopes. 3) anticipated from numerical results Orlic et al., 1994. Find out more info Accept cookies. The prevailing wind in the summer is the maestral. The cyclonic bora is often accompanied by a sudden barometric pressure fall and the appearance of the clouds on the southwestern horizon. The southern edge of the island of Krk, between Baška and Cape Negrit spreads in the direction from Southeast to Northwest. The waves originated by the bora along the eastern coast are steep, tall and short. [15] They can reach speeds of up to 220 kilometres per hour. from the eastern side of the Adriatic towards the open sea and brings bright weather. They prevail in the winter period from September to May. After 11 am the strength of the bora decreases. It rarely blows for more than three days. The changeable bora can often be felt all over Adriatic Croatia, Montenegrin Littoral, the Slovenian Littoral, Trieste, and the rest of the Adriatic east coast. In Slovenia, the most affected section is usually the upper part of the Vipava Valley, stretching from Ajdovščina to Podnanos, where the speed of the wind can exceed 200 km/h.[14]. On 21 December 1998 the speed of a gust on the Maslenica Bridge (north of Zadar) was measured at a record speed of 248 kilometres per hour,[8][9] and wind shields were installed. Towns on the coast, where the bora frequently occurs, are built densely with narrow streets in part because of the wind. Chains and ropes are occasionally stretched along the sidewalks in downtown Trieste, Italy, to facilitate pedestrian traffic — gusts in the city are usually above 120 km/h reaching to maxima of near 200 km/h. The island of Prvič has a steep slope reaching the height of 360 m, while the slopes located south of the town of Baška on the island of Krk are approximately 260 m high. The Velebit Channel is known for having some of the strongest Bora winds in the world. Theory and its Presentation in Meteorological Textbooks in the Course of Time", "Croatia Wind - Sailing tips - Sailing Europe", "Pretplati se > Novi list - Online izdanje", "Pogledajte kako je jučer bilo u Senju: Bura nosi sve pred sobom, diže čak i krovove! In the winter the temperature ranges from 12 to 14 °C (54 to 57 °F). The bora is a northern to north-eastern katabatic wind that forms in the Adriatic Sea. led the effort to produce an article discussing the recent Adriatic Sea research activity. The name is given by the Bora wind, because wind is blowing from the direction of NE and even changes the intensity like bora. 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