{"id":749,"date":"2009-07-05T22:20:40","date_gmt":"2009-07-05T20:20:40","guid":{"rendered":"http:\/\/www.slometeo.net\/zaplana\/blog\/?p=749"},"modified":"2009-07-05T22:20:40","modified_gmt":"2009-07-05T20:20:40","slug":"menjavanje-zracne-mase-novembra-2007","status":"publish","type":"post","link":"http:\/\/www.slometeo.net\/zaplana\/blog\/?p=749","title":{"rendered":"Menjavanje zra\u00c4\u008dne mase novembra 2007"},"content":{"rendered":"<p style=\"text-align: justify;\">Na vremenski postaji Zaplana je bilo \u00c5\u00bee ve\u00c4\u008dkrat zabele\u00c5\u00beeno hitro in izrazito menjavanje zra\u00c4\u008dne mase, kar pomeni da se v zelo kratkem \u00c4\u008dasu, v\u00c4\u008dasih tudi v nekaj minutah zraku bistveno spremenijo temperaturne in vla\u00c5\u00benostne lastnosti. V petek 9.novembra so padavine ponehale, zapihal je severni veter in ozra\u00c4\u008dje se je prehodno izsu\u00c5\u00a1ilo, saj je zra\u00c4\u008dna vla\u00c5\u00benost precej padla. Veter je bil pa razmeroma \u00c5\u00a1ibak in je kmalu ponehal. Na Zaplani se je zve\u00c4\u008der pri\u00c4\u008delo mo\u00c4\u008dno hladiti, nastala je le nekaj deset metrov debela temperaturna inverzija, ki jo je pa severni veter spet preme\u00c5\u00a1al okoli 21:00 ure. Pri\u00c5\u00a1lo je do druge mo\u00c4\u008dne izsu\u00c5\u00a1itve ozra\u00c4\u008dja, saj se je temperatura v dobri uri dvignila za 3\u00c2\u00b0C, vlaga pa je padla iz 94% na 40%. Pono\u00c4\u008di se je veter polegel, spet je nastala plitva temperaturna inverzija (na Spodnji Zaplani je bilo skoraj -4\u00c2\u00b0C), ki jo je zjutraj \u00c5\u00bee tretji\u00c4\u008d razpihal veter. Tokrat je zapihal zahodnik in temperatura je iz -3\u00c2\u00b0C narasla na +3\u00c2\u00b0C v pribli\u00c5\u00beno desetih minutah. Bli\u00c5\u00benjo zasebno meteorolo\u00c5\u00a1ko postajo Petkovec je veter prevetril nekoliko pozneje, a je bilo to dovolj, da je temperaturna razlika med obema postajama prehodno zna\u00c5\u00a1ala dobrih 7\u00c2\u00b0C.<\/p>\n<p style=\"text-align: center;\"><a href=\"http:\/\/www.slometeo.net\/zaplana\/blog\/wp-content\/uploads\/2009\/07\/graf20071110.gif\" target=\"_blank\" rel=\"lightbox[749]\"><img decoding=\"async\" loading=\"lazy\" class=\"aligncenter size-thumbnail wp-image-748\" title=\"graf20071110\" src=\"http:\/\/www.slometeo.net\/zaplana\/blog\/wp-content\/uploads\/2009\/07\/graf20071110-130x79.gif\" alt=\"graf20071110\" width=\"130\" height=\"79\" srcset=\"http:\/\/www.slometeo.net\/zaplana\/blog\/wp-content\/uploads\/2009\/07\/graf20071110-130x79.gif 130w, http:\/\/www.slometeo.net\/zaplana\/blog\/wp-content\/uploads\/2009\/07\/graf20071110-800x492.gif 800w, http:\/\/www.slometeo.net\/zaplana\/blog\/wp-content\/uploads\/2009\/07\/graf20071110.gif 1024w\" sizes=\"(max-width: 130px) 100vw, 130px\" \/><\/a><em>Veter je 9. in 10.novembra 2007 v kratkem \u00c4\u008dasu kar trikrat prebil plitvo temperaturno inverzijo na Spodnji Zaplani, kar se vidi predvsem po silovitih zni\u00c5\u00beanjih relativne vlage.<\/em><\/p>\n<p style=\"text-align: justify;\">Omenjene izsu\u00c5\u00a1itve ozra\u00c4\u008dja so lepo vidne na zgornjem grafu. Zakaj se je to dogajalo? Dokler je bila na Zaplani pri tleh plast hladnega in vla\u00c5\u00benega zraka (temperaturna inverzija) je bila temperatura razmeroma nizka, zra\u00c4\u008dna vlaga pa visoka. Ko so mo\u00c4\u008dnej\u00c5\u00a1i sunki suhega severnega vetra naenkrat razpihali to plast zraka, se je temperatura posledi\u00c4\u008dno mo\u00c4\u008dno dvignila, zra\u00c4\u008dna vlaga pa mo\u00c4\u008dno spustila. V opisanem primeru je zanimivo predvsem to, da se je izrazita izsu\u00c5\u00a1itev ozra\u00c4\u008dja zgodila kar trikrat v \u00c5\u00a1tiriindvajsetih urah.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Na vremenski postaji Zaplana je bilo \u00c5\u00bee ve\u00c4\u008dkrat zabele\u00c5\u00beeno hitro in izrazito menjavanje zra\u00c4\u008dne mase, kar pomeni da se v zelo kratkem \u00c4\u008dasu, v\u00c4\u008dasih tudi v nekaj minutah zraku bistveno spremenijo temperaturne in vla\u00c5\u00benostne lastnosti. V petek 9.novembra so padavine ponehale, zapihal je severni veter in ozra\u00c4\u008dje se je prehodno izsu\u00c5\u00a1ilo, saj je zra\u00c4\u008dna vla\u00c5\u00benost [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[12],"tags":[],"_links":{"self":[{"href":"http:\/\/www.slometeo.net\/zaplana\/blog\/index.php?rest_route=\/wp\/v2\/posts\/749"}],"collection":[{"href":"http:\/\/www.slometeo.net\/zaplana\/blog\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/www.slometeo.net\/zaplana\/blog\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/www.slometeo.net\/zaplana\/blog\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/www.slometeo.net\/zaplana\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=749"}],"version-history":[{"count":2,"href":"http:\/\/www.slometeo.net\/zaplana\/blog\/index.php?rest_route=\/wp\/v2\/posts\/749\/revisions"}],"predecessor-version":[{"id":751,"href":"http:\/\/www.slometeo.net\/zaplana\/blog\/index.php?rest_route=\/wp\/v2\/posts\/749\/revisions\/751"}],"wp:attachment":[{"href":"http:\/\/www.slometeo.net\/zaplana\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=749"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.slometeo.net\/zaplana\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=749"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.slometeo.net\/zaplana\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=749"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}