{"id":186927,"date":"2020-03-10T09:17:22","date_gmt":"2020-03-10T08:17:22","guid":{"rendered":"http:\/\/zakrasnejsivimperk.cz\/?p=186927"},"modified":"2020-03-10T09:17:22","modified_gmt":"2020-03-10T08:17:22","slug":"cesky-hydrometeorologicky-ustav-nejteplejsi-den-roku-a-vegetacni-jaro","status":"publish","type":"post","link":"https:\/\/zakrasnejsivimperk.cz\/?p=186927","title":{"rendered":"\u010cESK\u00dd HYDROMETEOROLOGICK\u00dd \u00daSTAV: Nejteplej\u0161\u00ed den roku a vegeta\u010dn\u00ed jaro"},"content":{"rendered":"

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Meteorologick\u00e9 jaro nast\u00e1v\u00e1 ka\u017edoro\u010dn\u011b 1. b\u0159ezna a kon\u010d\u00ed 31. kv\u011btna. O pevn\u011b stanoven\u00e9 obdob\u00ed se jedn\u00e1 z toho d\u016fvodu, aby meteorologov\u00e9, resp. klimatologov\u00e9 m\u011bli v\u016fbec mo\u017enost \u0159\u00e1dn\u011b statisticky zpracov\u00e1vat meteorologick\u00e1 data.<\/h6>\n

Vzhledem k teplotn\u011b nadnorm\u00e1ln\u00edmu lednu a zejm\u00e9na teplotn\u011b mimo\u0159\u00e1dn\u011b nadnorm\u00e1ln\u00edmu \u00fanoru se mezi deset nejteplej\u0161\u00edch dn\u016f od za\u010d\u00e1tku leto\u0161n\u00edho meteorologick\u00e9ho jara probojoval pouze 2. b\u0159ezen s pr\u016fm\u011brnou denn\u00ed teplotou 6,8 \u00b0C. Nejteplej\u0161\u00edm dnem roku 2020 prozat\u00edm z\u016fst\u00e1v\u00e1 1. \u00fanor s pr\u016fm\u011brnou teplotou 10,0 \u00b0C. V lo\u0148sk\u00e9m roce se p\u0159itom tak vysok\u00e1 pr\u016fm\u011brn\u00e1 denn\u00ed teplota vyskytla a\u017e 23. b\u0159ezna (10,1 \u00b0C).<\/span><\/p>\n

Doposud nejteplej\u0161\u00ed dny roku 2020 z hlediska republikov\u00e9 pr\u016fm\u011brn\u00e9 denn\u00ed teploty:<\/span><\/p>\n

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\"\"1. \u00fanora 10,0 \u00b0C
\n23. \u00fanora 9,9 \u00b0C
\n31. ledna 8,5 \u00b0C
\n2. \u00fanora 8,3 \u00b0C
\n17. \u00fanora 8,0 \u00b0C
\n22. \u00fanora 7,4 \u00b0C
\n25. \u00fanora 7,4 \u00b0C
\n3. \u00fanora 6,9 \u00b0C
\n16. \u00fanora 6,9 \u00b0C
\n2. b\u0159ezna 6,8 \u00b0C<\/p>\n

Astronomick\u00e9 jaro za\u010dne a\u017e v p\u00e1tek 20. b\u0159ezna ve 4 hodiny 50 minut, kdy Slunce vstoup\u00ed do znamen\u00ed Berana nastane jarn\u00ed rovnodennost.<\/p>\n

Krom\u011b meteorologick\u00e9ho a astronomick\u00e9ho jara v\u0161ak existuje tak\u00e9 vegeta\u010dn\u00ed jaro. To se ne\u0159\u00edd\u00ed kalend\u00e1\u0159n\u00edm dnem, ani polohou Slunce, ale skute\u010dn\u011b dosa\u017een\u00fdmi pr\u016fm\u011brn\u00fdmi denn\u00edmi teplotami. Za\u010d\u00e1tek vegeta\u010dn\u00edho jara v dan\u00e9m m\u00edst\u011b tak z\u00e1vis\u00ed mj. na nadmo\u0159sk\u00e9 v\u00fd\u0161ce a s rostouc\u00ed nadmo\u0159skou v\u00fd\u0161kou se zpo\u017e\u010fuje. Vegeta\u010dn\u00ed jaro za\u010d\u00edn\u00e1 jako obdob\u00ed s pr\u016fm\u011brnou denn\u00ed teplotou nad 5 \u00b0C a kon\u010d\u00ed s n\u00e1stupem pr\u016fm\u011brn\u00fdch denn\u00edch teplot nad 15 \u00b0C.<\/p>\n

Jak ukazuj\u00ed p\u0159ipojen\u00e9 mapy, v ni\u017e\u0161\u00edch poloh\u00e1ch do 400 m n. m., kter\u00e9 tvo\u0159\u00ed zhruba polovinu \u00fazem\u00ed \u010cR, za\u010d\u00edn\u00e1 vegeta\u010dn\u00ed jaro v pr\u016fm\u011bru ve druh\u00e9 polovin\u011b b\u0159ezna a kon\u010d\u00ed nej\u010dast\u011bji v posledn\u00ed dek\u00e1d\u011b kv\u011btna. Na hor\u00e1ch obvykle za\u010d\u00edn\u00e1 a\u017e koncem dubna a pr\u016fm\u011brn\u00e9 denn\u00ed teploty vzduchu nad 15 \u00b0C u\u017e se na hor\u00e1ch vyskytuj\u00ed nepravideln\u011b.<\/p>\n

Cel\u00fd \u010dl\u00e1nek naleznete na\u00a0www.infomet.cz<\/a><\/strong>
\nAutorem je Pavel Borovi\u010dka, meteorolog \u010cHM\u00da<\/p>\n

FB \u2013\u00a0\u010cesk\u00fd hydrometeorologick\u00fd \u00fastav<\/a><\/strong><\/p>\n<\/div>\n

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