ssible damages.<sup id="cite_ref-fontanka_6-1" class="reference"><a href="#cite_note-fontanka-6"><span>[</span>6<span>]</span></a></sup> Though the 309th flood in the history of the city happened a month later at 27—28 December 2011, when despite closing the dam gates heavy cyclone forced the water to rise up to 1.7 masl which couldn't make serious damage to the city.<sup id="cite_ref-rian_15-0" class="reference"><a href="#cite_note-rian-15"><span>[</span>15<span>]</span></a></sup> Specialists suppose tha