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List of 10 historical situations with stormy hydro-meteorological conditions from the recent past for the coastal zones of Bulgariahttps://misbs.bgports.bg/en/other-information/storm-data/1List of 10 historical situations with stormy hydro-meteorological conditions from the recent past for the coastal zones of BulgariaSevere storms and heavy seas represent major hazards for the coastlines. Extreme waves are a hazard both at the coast and at sea. Waves from winter storms cause large impacts around our coastline, with potential for coastal erosion, flooding, and overtopping of sea-defences in extreme conditions Simulation of historical storm situations is a key tool in examining potential coastal hazards. An important tool in the management of episodic extreme events is a reliable forecasting/hindcasting capability, because model data are the only datasets with complete coverage in space and time Tables 1,2 provide a chronological list of 10 most significant historical situations with stormy conditions over the western part of the Black Sea for the period 1976 – 2002. Table 1: List of historical storm situations over the Bulgarian Black Sea coast.<div class="ExternalClass17CDC388C2094755B74E854BF5B2D5DA"> </div><table width="100%" class="ms-rteTable-default" cellspacing="0"><tbody><tr class="ms-rteTableEvenRow-default"><td class="ms-rteTableEvenCol-default" rowspan="1" colspan="1" style="width:33.33%;text-align:center;"><p><strong style="font-size:14.66px;">Name</strong></p><p><strong style="font-size:14.66px;">« Dates »</strong></p></td><td class="ms-rteTableOddCol-default" rowspan="1" colspan="1" style="width:33.33%;"><p style="text-align:center;"><strong style="font-size:14.66px;">Significant Wave Height</strong></p><p style="text-align:center;"><span style="font-size:14.66px;"><strong>(according WMO  </strong><strong>code number)</strong></span></p></td><td class="ms-rteTableEvenCol-default" rowspan="1" colspan="1" style="width:33.33%;"><p style="text-align:center;"><strong style="font-size:14.66px;">storm surge</strong></p><p style="text-align:center;"><strong style="font-size:14.66px;">[ m]</strong></p></td></tr><tr class="ms-rteTableOddRow-default" style="text-align:center;"><td class="ms-rteTableEvenCol-default"><p><strong style="font-size:14.66px;">BS_197610</strong></p><p><span style="font-size:14.66px;">«15 to 21 Oct 1976 »</span></p></td><td class="ms-rteTableOddCol-default"><p><span style="font-size:14.66px;">8 Beaufort</span></p><p><span style="font-size:14.66px;">Sozopol</span></p></td><td class="ms-rteTableEvenCol-default"><span style="font-size:14.66px;"> 1.0 m - Varna</span></td></tr><tr class="ms-rteTableEvenRow-default" style="text-align:center;"><td class="ms-rteTableEvenCol-default"><div> <strong style="font-size:14.66px;">BS_197701</strong></div><p><span style="font-size:14.66px;">« 16 to 21 Jan 1977 »</span></p></td><td class="ms-rteTableOddCol-default"><div> <span style="line-height:1.6;font-size:14.66px;">​6-7 Beaufort</span></div><p><span style="font-size:14.66px;">Kaliakra, Emine, Shabla</span></p></td><td class="ms-rteTableEvenCol-default"><span style="font-size:14.66px;"> <span lang="EN-US" style="font-family:calibri, sans-serif;"><font color="#000000">0.60 m  </font><font color="#000000">Shabla</font></span></span></td></tr><tr class="ms-rteTableOddRow-default"><td class="ms-rteTableEvenCol-default" rowspan="1" style="text-align:center;"><div>​<strong style="font-size:14.66px;">BS_197902</strong></div><p><span style="font-size:14.66px;">« 13 to23 Feb 1979 »</span></p></td><td class="ms-rteTableOddCol-default" rowspan="1"><p style="text-align:center;"><span style="font-size:14.66px;">​6-8  Beaufort</span></p><p style="text-align:center;"><span style="font-size:14.66px;">Varna, Burgas, Shkorpilovci</span></p></td><td class="ms-rteTableEvenCol-default" rowspan="1" style="text-align:center;"><div>​<span style="line-height:1.6;font-size:14.66px;">​</span><span style="line-height:1.6;font-size:14.66px;">1.35m  -Burgas</span></div><p><span style="font-size:14.66px;">0.70 m – Ahtopol</span></p><p><span style="font-size:14.66px;">1.43 m - Irakly</span></p></td></tr><tr class="ms-rteTableEvenRow-default"><td class="ms-rteTableEvenCol-default" rowspan="1" style="text-align:center;"><div>​<strong style="font-size:14.66px;">BS_198101</strong></div><p><span style="font-size:14.66px;">« 7-10 Jan 1981»</span></p></td><td class="ms-rteTableOddCol-default" rowspan="1"><p style="text-align:center;"><span style="font-size:14.66px;">​8 Beaufort</span></p><p style="text-align:center;"><span style="font-size:14.66px;">Ahtopol</span></p></td><td class="ms-rteTableEvenCol-default" rowspan="1" style="text-align:center;"><span style="font-size:14.66px;">​<span lang="EN-US" style="font-family:calibri, sans-serif;"><font color="#000000"><span style="font-family:"segoe ui", segoe, tahoma, helvetica, arial, sans-serif;">Storm</span><span style="font-family:"segoe ui", segoe, tahoma, helvetica, arial, sans-serif;">surge</span> is <span style="font-family:"segoe ui", segoe, tahoma, helvetica, arial, sans-serif;">not</span>  </font><font color="#000000" style="font-family:"segoe ui", segoe, tahoma, helvetica, arial, sans-serif;">significant</font></span></span></td></tr><tr class="ms-rteTableFooterRow-default" style="text-align:center;"><td class="ms-rteTableFooterEvenCol-default" rowspan="1"><div>​<strong style="font-size:14.66px;">​BS_199712</strong></div><p><span style="font-size:14.66px;">«15-19 DEC <span lang="EN-US" style="text-decoration:line-through;"> </span>1997»</span></p></td><td class="ms-rteTableFooterOddCol-default" rowspan="1"><div>​<span style="line-height:1.6;font-size:14.66px;">​5-6 Beaufort</span></div><p><span style="font-size:14.66px;">along Bulgarian Black Sea coast. </span></p></td><td class="ms-rteTableFooterEvenCol-default" rowspan="1"><span style="font-size:14.66px;">​<span lang="EN-US" style="font-family:calibri, sans-serif;"><font color="#000000"><span style="font-family:"segoe ui", segoe, tahoma, helvetica, arial, sans-serif;">1.3 m</span> - <span style="font-family:"segoe ui", segoe, tahoma, helvetica, arial, sans-serif;">Burgas</span></font></span></span></td></tr></tbody></table>Table .2: List of historical storm situations in the western part of the Black Sea (1996-2012)<div class="ExternalClass66CA369FBCBB4E3D83BB40A4DC38B8FC"><table width="100%" class="ms-rteTable-default" cellspacing="0"><tbody><tr class="ms-rteTableEvenRow-default"><td class="ms-rteTableEvenCol-default" style="width:33.33%;"><p style="text-align:center;"><strong>Name</strong></p><p style="text-align:center;"><strong>« Dates »</strong></p></td><td class="ms-rteTableOddCol-default" style="width:33.33%;text-align:center;"><span lang="EN-US" style="font-family:calibri, sans-serif;font-size:12pt;"><strong><font color="#000000">Significant Wave Height</font></strong></span></td><td class="ms-rteTableEvenCol-default" style="width:33.33%;text-align:center;"><span lang="EN-US" style="font-family:calibri, sans-serif;font-size:12pt;"><strong><font color="#000000">Storm surge</font></strong></span></td></tr><tr class="ms-rteTableOddRow-default"><td class="ms-rteTableEvenCol-default" style="text-align:center;"><div> <strong style="line-height:1.6;">BS_199612</strong></div><p>«24 to 31 Dec 1996 »</p></td><td class="ms-rteTableOddCol-default" style="text-align:center;"> <span lang="EN-US" style="font-family:calibri, sans-serif;font-size:12pt;"><font color="#000000">5-6 Beaufort</font></span></td><td class="ms-rteTableEvenCol-default"><div style="text-align:center;"> <span style="line-height:1.6;text-align:center;">100cm Irakly tide gauge</span></div><p style="text-align:center;">90cm then 60cm Ahtopol</p></td></tr><tr class="ms-rteTableEvenRow-default" style="text-align:center;"><td class="ms-rteTableEvenCol-default"><div> <strong style="line-height:1.6;">BS_199801</strong></div><p>« 20 to 27 Jan 1998 »</p></td><td class="ms-rteTableOddCol-default"> <span lang="EN-US" style="font-family:calibri, sans-serif;font-size:12pt;"><font color="#000000">5 Beaufort</font></span></td><td class="ms-rteTableEvenCol-default"> ​<span lang="EN-US" style="font-family:calibri, sans-serif;font-size:12pt;"><font color="#000000">90cm Irakly</font></span></td></tr><tr class="ms-rteTableOddRow-default" style="text-align:center;"><td class="ms-rteTableEvenCol-default" rowspan="1"><div>​<strong style="line-height:1.6;">BS_200607</strong></div><p>« 1 to3 July 2006 »</p></td><td class="ms-rteTableOddCol-default" rowspan="1"><span lang="EN-US" style="font-family:calibri, sans-serif;font-size:12pt;"><font color="#000000">5 Beaufort</font></span>​</td><td class="ms-rteTableEvenCol-default" rowspan="1">​<span lang="EN-US" style="font-family:calibri, sans-serif;font-size:12pt;"><font color="#000000">60 cm Varna</font></span></td></tr><tr class="ms-rteTableEvenRow-default"><td class="ms-rteTableEvenCol-default" rowspan="1"><div style="text-align:center;">​<strong style="line-height:1.6;text-align:center;">BS_201003</strong></div><p style="text-align:center;">« 8-11 March 2010»</p></td><td class="ms-rteTableOddCol-default" rowspan="1" style="text-align:center;">​<span lang="EN-US" style="font-family:calibri, sans-serif;font-size:12pt;"><font color="#000000">5-6 Beaufort</font></span></td><td class="ms-rteTableEvenCol-default" rowspan="1" style="text-align:center;">​<span lang="EN-US" style="font-family:calibri, sans-serif;font-size:12pt;"><font color="#000000">90-100cm in all stations</font></span></td></tr><tr class="ms-rteTableFooterRow-default"><td class="ms-rteTableFooterEvenCol-default" rowspan="1"><div style="text-align:center;">​​<strong style="line-height:1.6;text-align:center;">BS_201202</strong></div><p style="text-align:center;">«07-09 Feb 2012»</p></td><td class="ms-rteTableFooterOddCol-default" rowspan="1" style="text-align:center;">​<span lang="EN-US" style="font-family:calibri, sans-serif;font-size:12pt;"><font color="#000000">6 Beaufort Significant wave height more than 5m. south of the town of Burgas</font></span></td><td class="ms-rteTableFooterEvenCol-default" rowspan="1" style="text-align:center;">​<span lang="EN-US" style="font-family:calibri, sans-serif;font-size:12pt;"><font color="#000000">Storm surge is not<span>  </span></font><font color="#000000">significant</font></span></td></tr></tbody></table></div>