{"id":2938,"date":"1980-10-26T11:03:00","date_gmt":"1980-10-26T09:03:00","guid":{"rendered":"https:\/\/projekti.pmfst.unist.hr\/floods\/storm-surges\/?p=2938"},"modified":"2025-07-01T09:39:25","modified_gmt":"2025-07-01T07:39:25","slug":"episode-10-25-october-1980","status":"publish","type":"post","link":"https:\/\/projekti.pmfst.unist.hr\/floods\/storm-surges\/episode-10-25-october-1980\/","title":{"rendered":"Episode 10, 25 October 1980"},"content":{"rendered":"\t\t
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Episode 10, 25 October 1980<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t
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Analysis<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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Description<\/b><\/p>\n


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Meteorological background<\/u><\/p>\n

On 24 October, an upper-level trough descended from northern Europe to the Mediterranean, forming an upper-level cyclone. At the surface, a cyclone developed over the Gulf of Genoa and rapidly deepened on 25 October, moving southeast. This caused heavy rainfall and intensified air-pressure gradients, producing strong southerly and southeasterly winds over the Adriatic, especially along the eastern coastline. The northern and middle Adriatic experienced strong Sirocco, peaking at 09:00 UTC, just before sea level in Bakar reached its maximum. By the day’s end, the cyclone moved towards Italy, with northeasterly winds dominating the northern Adriatic.<\/p>


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Sea-level evolution<\/u>
On 25 October 1980 (10:00 UTC), sea level in Bakar rose to 95 cm above the long-term average. During this episode, tide<\/i> was of semidiurnal spring-tide character and contributed 13 cm to the total sea-level maximum. Earlier atmospheric disturbances (11\u201312 and 17 October) raised water level in the northern Adriatic, triggering ~21.2-hour oscillations, but these seiches dissipated before the decisive cyclone crossed the Adriatic on 25 October. Therefore, synoptic component <\/i>during this episode was not influenced by pre-existing seiches and was dominated by a storm surge. The sea-level maximum coincided with the storm-surge peak, reaching 49 cm.
The remaining sea-level rise resulted from processes acting on other time scales (refer to Figure 1 in the Introduction for detailed explanations). High-frequency oscillations<\/i> contributed 16 cm, planetary-scale variability<\/i> added 4 cm, and long-term sea-level change <\/i>added 13 cm.<\/p>


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In this flooding episode, all processes had positive contributions, with synoptic component<\/i> having the greatest impact. High-frequency oscillations<\/i>, tide<\/i> and long-term sea-level change<\/i> had similar effects, while planetary-scale variability<\/i> had the smallest impact.
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Newspaper reports<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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Here are excerpts from a report about the flood from Novi list<\/em><\/strong>, Slobodna Dalmacija<\/strong> <\/em>and Ve\u010dernji list<\/em><\/strong>.<\/em><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t

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Slobodna Dalmacija, 27 October 1980<\/figcaption>\n\t\t\t\t\t\t\t\t\t\t<\/figure>\n\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t
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Stormy sirocco wind and high tide<\/em><\/strong><\/p>

A stormy sirocco wind with speeds of over 100 kilometers per hour hit the region of Zadar and northern Dalmatia on Saturday. Ferry traffic between Zadar and Preko on the island of Ugljan was interrupted several times, while boat traffic to other island locations continued uninterrupted under extremely difficult conditions. There was also considerable flooding, so that the October Revolution promenade along the coast from Borik towards the Zadara city center was flooded.<\/em><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t

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Ve\u010dernji list, 27 October 1980<\/figcaption>\n\t\t\t\t\t\t\t\t\t\t<\/figure>\n\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t
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Novi list, 27 October 1980<\/figcaption>\n\t\t\t\t\t\t\t\t\t\t<\/figure>\n\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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LAST WEEKEND<\/em><\/p>

STRONG SIROCCO WIND<\/em><\/strong><\/p>

RIJEKA<\/b>: Flooded roads –<\/em>\u00a0Collision between ferry and boat<\/em><\/p>

ROVINJ<\/b>: Sunken yacht<\/em><\/p>

SENJ<\/b>: Sirocco wind has started, Bura continues –<\/em>\u00a0Three minor accidents on wet roads<\/em><\/p>

CRIKVENICA<\/b>: Flooded coast<\/em><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t

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Novi list, 27 October 1980<\/figcaption>\n\t\t\t\t\t\t\t\t\t\t<\/figure>\n\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t
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RIJEKA, October 26 \u2014 Due to the strong sirocco wind, which at times blew at gale force, ferry services were suspended on Saturday: Porozine \u2013 Brestova, Jablanac \u2013 Stara Novalja, Lopar \u2013 Ba\u0161ka and Crikvenica \u2013 \u0160ilo, and the ferry “Slavija” did not dock in Rab. The high water not only caused problems for the ships, but also flooded the Rijeka market, where there was about 25 centimeters of water. According to the Rijeka meteorological station, about 25 liters of rain per square meter fell in Rijeka on Saturday. Although there was not heavy rainfall, “Voplin” workers had to intervene in several places in Rijeka because leaves had blocked the drains…<\/em><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t

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The sirocco wind has raised the sea level in large parts of the Kvarner region. The coast of Crikvenica was flooded. The sea spilled into the town park and up to the bus station. The rise in sea level was also felt on the Kvarner islands. Fortunately, there were no strong waves, so the damage was not extensive. The boat owners had their hands full reinforcing the moorings for their vessels\u2026<\/em><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t

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During the sirocco wind in the port of Rijeka<\/em><\/p>

FERRY COLLIDES WITH A SHIP<\/em><\/strong><\/p>

RIJEKA, October 26 – Strong sirocco wind caused a collision yesterday at 10:45 a.m. between the ferry in the port of Rijeka between the ferry “Kalmar” and the motorboat “Risnjak”. There were no injuries, and the damage to the “Risnjak” is estimated at about 100 thousand Jugoslavian dinars. The collision occurred when a strong sirocco gust of wind “pushed” the ferry, which was traveling along the Beogradsko coast from the anchorage to the berth, against the “Risnjak” and damaged its protective railing. The ferry was not damaged and the “Risnjak” sailed to the Cypriot port of Limassol on the same day.<\/em><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"

Sea-level series for the flood of 25 October 1980: measured (black), tide (green), combined long-period component and mean sea-level changes (grey), synoptic component (purple), and local processes (blue). The inset figure shows the contributions (cm) of the five sea-level components to the maximum measured sea level.<\/p>\n","protected":false},"author":1,"featured_media":4430,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[23],"tags":[],"class_list":["post-2938","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-storm-surge","entry"],"_links":{"self":[{"href":"https:\/\/projekti.pmfst.unist.hr\/floods\/storm-surges\/wp-json\/wp\/v2\/posts\/2938","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/projekti.pmfst.unist.hr\/floods\/storm-surges\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/projekti.pmfst.unist.hr\/floods\/storm-surges\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/projekti.pmfst.unist.hr\/floods\/storm-surges\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/projekti.pmfst.unist.hr\/floods\/storm-surges\/wp-json\/wp\/v2\/comments?post=2938"}],"version-history":[{"count":31,"href":"https:\/\/projekti.pmfst.unist.hr\/floods\/storm-surges\/wp-json\/wp\/v2\/posts\/2938\/revisions"}],"predecessor-version":[{"id":4643,"href":"https:\/\/projekti.pmfst.unist.hr\/floods\/storm-surges\/wp-json\/wp\/v2\/posts\/2938\/revisions\/4643"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/projekti.pmfst.unist.hr\/floods\/storm-surges\/wp-json\/wp\/v2\/media\/4430"}],"wp:attachment":[{"href":"https:\/\/projekti.pmfst.unist.hr\/floods\/storm-surges\/wp-json\/wp\/v2\/media?parent=2938"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/projekti.pmfst.unist.hr\/floods\/storm-surges\/wp-json\/wp\/v2\/categories?post=2938"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/projekti.pmfst.unist.hr\/floods\/storm-surges\/wp-json\/wp\/v2\/tags?post=2938"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}