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<p>[QUOTE=&quot;jjack, post: 1566977, member: 33596&quot;]Cat is measure of wind speed but barometric pressure indicates how much water the system mis pushing and Sandy was up there in that category. </p><p>And it is not the wind that did the damage it was the storm surge and unless you build 20 foot wall around the coastal regions there is no way you can prepare for that; Florida, Louisiana none of them have anything that can protect from this. Storm surge is not something you can take lightly and cost of upgrading the flood wall in NY would be tens of billions&#039; to prepare for once in a century storm. </p><p><br /></p><p><br /></p><p>Courtesy: of <a href="http://www.scientificamerican.com/article.cfm?id=sandy-vs-katrina-and-irene" target="_blank" class="externalLink ProxyLink" data-proxy-href="http://www.scientificamerican.com/article.cfm?id=sandy-vs-katrina-and-irene" rel="nofollow">http://www.scientificamerican.com/article.cfm?id=sandy-vs-katrina-and-irene</a></p><p><br /></p><p>&nbsp;Diameter (extent of high winds)</p><p>&nbsp; Katrina:&nbsp; 400 miles</p><p>&nbsp; Irene: 520 miles</p><p>&nbsp; Sandy: 940 miles</p><p><br /></p><p><br /></p><p>&nbsp;Storm Surge</p><p>&nbsp; Katrina: 14 feet, funneling to 28 feet at New Orleans</p><p>&nbsp; Irene: 8 feet</p><p>&nbsp; Sandy: 12.5 feet</p><p><br /></p><p><br /></p><p>&nbsp;Top Wind Speed</p><p>&nbsp; Katrina: 125 mph</p><p>&nbsp; Irene: 85 mph</p><p>&nbsp; Sandy: 94 mph[/QUOTE]</p><p><br /></p>

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