{"id":1568,"date":"2014-11-21T08:26:07","date_gmt":"2014-11-21T08:26:07","guid":{"rendered":"http:\/\/\/wpweb\/?page_id=1568"},"modified":"2020-10-19T07:11:42","modified_gmt":"2020-10-19T07:11:42","slug":"les-observacions-de-la-forca-del-vent","status":"publish","type":"page","link":"https:\/\/www.meteo.cat\/wpweb\/divulgacio\/equipaments-meteorologics\/observadors-meteorologics\/manual-de-lobservador\/forca-del-vent\/les-observacions-de-la-forca-del-vent\/","title":{"rendered":"Les observacions de la for\u00e7a del vent"},"content":{"rendered":"\n<p>En el quadre adjunt apareix detallada l\u2019Escala de Beaufort definida, en un principi, per a la mesura del vent en alta mar i que ha esdevingut el m\u00e8tode m\u00e9s utilitzat per a la mesura no instrumental de la velocitat mitjana del vent.<\/p>\n\n\n\n<table class=\"sortable uvi\" summary=\"Escala Beaufort\">\n<thead>\n<tr>\n<th class=\"w5\" scope=\"col\" align=\"center\">Valor<\/th>\n<th class=\"w5\" scope=\"col\">Denominaci\u00f3<\/th>\n<th class=\"w5\" scope=\"col\">m\/s<\/th>\n<th class=\"w5\" scope=\"col\">Kt (nusos)<\/th>\n<th class=\"w5\" scope=\"col\">Km\/h<\/th>\n<th class=\"w15\" scope=\"col\">Descripci\u00f3<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr class=\"odd\">\n<td class=\"center\">0<\/td>\n<td>calma<\/td>\n<td class=\"center\">0 &#8211; 0.2<\/td>\n<td class=\"center\">menys d\u20191<\/td>\n<td class=\"center\">0 &#8211; 2<\/td>\n<td>El fum puja verticalment<\/td>\n<\/tr>\n<tr class=\"even\">\n<td class=\"center\">1<\/td>\n<td>ventolina<\/td>\n<td class=\"center\">0.3 &#8211; 1.5<\/td>\n<td class=\"center\">1 &#8211; 3<\/td>\n<td class=\"center\">2 &#8211; 6<\/td>\n<td>El fum indica la direcci\u00f3 del vent. Gaireb\u00e9 no es mouen les fulles m\u00e9s altes.<\/td>\n<\/tr>\n<tr class=\"odd\">\n<td class=\"center\">2<\/td>\n<td>vent fluixet<\/td>\n<td class=\"center\">1.6 &#8211; 3.3<\/td>\n<td class=\"center\">4 &#8211; 6<\/td>\n<td class=\"center\">7 &#8211; 11<\/td>\n<td>Es mouen les fulles dels arbres, es comencen a moure els molins. El vent se sent a la cara. Branques i fulles es poden sentir lleugerament.<\/td>\n<\/tr>\n<tr class=\"even\">\n<td class=\"center\">3<\/td>\n<td>vent fluix<\/td>\n<td class=\"center\">3.4 &#8211; 5.4<\/td>\n<td class=\"center\">7 &#8211; 10<\/td>\n<td class=\"center\">12 &#8211; 19<\/td>\n<td>Les fulles se sacsegen, onegen les banderes. Les fulles seques s\u00f3n aixecades del terra.<\/td>\n<\/tr>\n<tr class=\"odd\">\n<td class=\"center\">4<\/td>\n<td>vent moderat<\/td>\n<td class=\"center\">5.5 &#8211; 7.9<\/td>\n<td class=\"center\">11 &#8211; 16<\/td>\n<td class=\"center\">20 &#8211; 29<\/td>\n<td>S&#8217;aixeca pols i papers, se sacsegen les cap\u00e7ades dels arbres.<\/td>\n<\/tr>\n<tr class=\"even\">\n<td class=\"center\">5<\/td>\n<td>vent fresquet<\/td>\n<td class=\"center\">8.0 &#8211; 10.7<\/td>\n<td class=\"center\">17 &#8211; 21<\/td>\n<td class=\"center\">30 &#8211; 39<\/td>\n<td class=\"odd\">Petits moviments dels arbres, superf\u00edcie dels llacs ondulada.<\/td>\n<\/tr>\n<tr class=\"odd\">\n<td class=\"center\">6<\/td>\n<td>vent fresc<\/td>\n<td class=\"center\">10.8 &#8211; 13.8<\/td>\n<td class=\"center\">22 &#8211; 27<\/td>\n<td class=\"center\">40 &#8211; 50<\/td>\n<td>Es mouen les branques grans dels arbres amb facilitat i constantment, es t\u00e9 dificultat per mantenir obert el paraigua.<\/td>\n<\/tr>\n<tr class=\"even\">\n<td class=\"center\">7<\/td>\n<td>vent fort<\/td>\n<td class=\"center\">13.9 &#8211; 17.1<\/td>\n<td class=\"center\">28 &#8211; 33<\/td>\n<td class=\"center\">51 &#8211; 61<\/td>\n<td class=\"odd\">Es mouen els arbres grans, es t\u00e9 dificultat per caminar contra el vent<\/td>\n<\/tr>\n<tr class=\"odd\">\n<td class=\"center\">8<\/td>\n<td>temporal<\/td>\n<td class=\"center\">17.2 &#8211; 20.7<\/td>\n<td class=\"center\">34 &#8211; 40<\/td>\n<td class=\"center\">62 &#8211; 74<\/td>\n<td class=\"even\">Es trenquen les copes dels arbres i les branques petites. La circulaci\u00f3 de persones \u00e9s dificultosa.<\/td>\n<\/tr>\n<tr class=\"even\">\n<td class=\"center\">9<\/td>\n<td>temporal fort<\/td>\n<td class=\"center\">20.8 &#8211; 24.4<\/td>\n<td class=\"center\">41 &#8211; 47<\/td>\n<td class=\"center\">75 &#8211; 87<\/td>\n<td>Danys en els arbres, \u00e9s impossible caminar contra el vent. Pot trencar-se alguna primera teula dels terrats i teulats.<\/td>\n<\/tr>\n<tr class=\"odd\">\n<td class=\"center\">10<\/td>\n<td>temporal molt fort<\/td>\n<td class=\"center\">24.5 &#8211; 28.4<\/td>\n<td class=\"center\">48 &#8211; 55<\/td>\n<td class=\"center\">88 &#8211; 101<\/td>\n<td>Arbres arrencats, es produeixen danys en les estructures de les construccions.<\/td>\n<\/tr>\n<tr class=\"even\">\n<td class=\"center\">11<\/td>\n<td>temporal violent<\/td>\n<td class=\"center\">28.5 &#8211; 32.6<\/td>\n<td class=\"center\">56 &#8211; 63<\/td>\n<td class=\"center\">102 &#8211; 117<\/td>\n<td>Danys considerables en construccions, teulades i arbres.<\/td>\n<\/tr>\n<tr class=\"odd\">\n<td class=\"center\">12<\/td>\n<td>hurac\u00e0<\/td>\n<td class=\"center\">m\u00e9s de 32.7<\/td>\n<td class=\"center\">m\u00e9s de 64<\/td>\n<td class=\"center\">m\u00e9s de 118<\/td>\n<td>Destruccions abundants, qualsevol estructura en pot quedar afectada.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n","protected":false},"excerpt":{"rendered":"<p>En el quadre adjunt apareix detallada l\u2019Escala de Beaufort definida, en un principi, per a la mesura del vent en alta mar i que ha esdevingut el m\u00e8tode m\u00e9s utilitzat per a la mesura no instrumental de la velocitat mitjana del vent. Valor Denominaci\u00f3 m\/s Kt (nusos) Km\/h Descripci\u00f3 0 calma 0 &#8211; 0.2 menys [&hellip;]<\/p>\n","protected":false},"author":4,"featured_media":0,"parent":1249,"menu_order":0,"comment_status":"closed","ping_status":"open","template":"template-sidebar.php","meta":{"_mi_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0},"_links":{"self":[{"href":"https:\/\/www.meteo.cat\/wpweb\/wp-json\/wp\/v2\/pages\/1568"}],"collection":[{"href":"https:\/\/www.meteo.cat\/wpweb\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/www.meteo.cat\/wpweb\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/www.meteo.cat\/wpweb\/wp-json\/wp\/v2\/users\/4"}],"replies":[{"embeddable":true,"href":"https:\/\/www.meteo.cat\/wpweb\/wp-json\/wp\/v2\/comments?post=1568"}],"version-history":[{"count":4,"href":"https:\/\/www.meteo.cat\/wpweb\/wp-json\/wp\/v2\/pages\/1568\/revisions"}],"predecessor-version":[{"id":29082,"href":"https:\/\/www.meteo.cat\/wpweb\/wp-json\/wp\/v2\/pages\/1568\/revisions\/29082"}],"up":[{"embeddable":true,"href":"https:\/\/www.meteo.cat\/wpweb\/wp-json\/wp\/v2\/pages\/1249"}],"wp:attachment":[{"href":"https:\/\/www.meteo.cat\/wpweb\/wp-json\/wp\/v2\/media?parent=1568"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}