{"id":1597,"date":"2014-11-21T08:41:15","date_gmt":"2014-11-21T08:41:15","guid":{"rendered":"http:\/\/\/wpweb\/?page_id=1597"},"modified":"2021-05-06T14:16:11","modified_gmt":"2021-05-06T14:16:11","slug":"calamarsa","status":"publish","type":"page","link":"https:\/\/www.meteo.cat\/wpweb\/divulgacio\/equipaments-meteorologics\/observadors-meteorologics\/manual-de-lobservador\/meteors-relacionats-amb-la-precipitacio\/calamarsa\/","title":{"rendered":"Calamarsa"},"content":{"rendered":"\n<h2>Definici\u00f3<\/h2>\n\n\n\n<p>Grans de gla\u00e7 esf\u00e8rics de fins a 5 mm de di\u00e0metre, rarament c\u00f2nics, transparents o semitransparents. Poden tenir un nucli de neu granulada. No es trenquen en caure a terra i s\u00f3n dif\u00edcils d\u2019aixafar. <\/p>\n\n\n\n<p>El seu origen poden ser els moviments de convecci\u00f3 ascendents i descendents que tenen lloc a l\u2019interior dels cumulonimbus o, en temps fred, la congelaci\u00f3 de gotes de n\u00favol subfoses sobre un nucli de neu granulada (gla\u00e7 semitransparent) o la congelaci\u00f3 de gotes d\u2019aigua en travessar un estrat prou gruixut d\u2019aire amb temperatura sota zero (gla\u00e7 transparent). <\/p>\n\n\n\n<h2>Consells per a l\u2019observaci\u00f3<\/h2>\n\n\n\n<p>Les calamarsades precipiten sovint en forma de x\u00e0fec.<\/p>\n\n\n\n<p>Quan cauen sobre un terreny dur, els grans el cobreixen sense trencar-se i s\u00f3n dif\u00edcils d\u2019aixafar.<br><\/p>\n\n\n\n<p>De vegades la pedra i la calamarsa van associades.<br><\/p>\n\n\n\n<p>Poden caure tot l\u2019any, tot i que amb major probabilitat a finals d\u2019hivern o a la primavera.<\/p>\n\n\n\n<h2>Fotografies<\/h2>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter\"><a href=\"https:\/\/static-m.meteo.cat\/wordpressweb\/wp-content\/uploads\/2014\/11\/21084115\/BIG_006495615022712_00.jpg\"><img loading=\"lazy\" width=\"300\" height=\"225\" src=\"https:\/\/static-m.meteo.cat\/wordpressweb\/wp-content\/uploads\/2014\/11\/21084115\/BIG_006495615022712_00-300x225.jpg\" alt=\"Calamarsa\" class=\"wp-image-2932\"\/><\/a><figcaption>Meteors relacionats amb la precipitaci\u00f3 Calamarsa. Autor: Jordi Bober<\/figcaption><\/figure><\/div>\n","protected":false},"excerpt":{"rendered":"<p>Definici\u00f3 Grans de gla\u00e7 esf\u00e8rics de fins a 5 mm de di\u00e0metre, rarament c\u00f2nics, transparents o semitransparents. Poden tenir un nucli de neu granulada. No es trenquen en caure a terra i s\u00f3n dif\u00edcils d\u2019aixafar. El seu origen poden ser els moviments de convecci\u00f3 ascendents i descendents que tenen lloc a l\u2019interior dels cumulonimbus o, [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":0,"parent":1261,"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\/1597"}],"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\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.meteo.cat\/wpweb\/wp-json\/wp\/v2\/comments?post=1597"}],"version-history":[{"count":7,"href":"https:\/\/www.meteo.cat\/wpweb\/wp-json\/wp\/v2\/pages\/1597\/revisions"}],"predecessor-version":[{"id":31240,"href":"https:\/\/www.meteo.cat\/wpweb\/wp-json\/wp\/v2\/pages\/1597\/revisions\/31240"}],"up":[{"embeddable":true,"href":"https:\/\/www.meteo.cat\/wpweb\/wp-json\/wp\/v2\/pages\/1261"}],"wp:attachment":[{"href":"https:\/\/www.meteo.cat\/wpweb\/wp-json\/wp\/v2\/media?parent=1597"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}