Tuča (krupa, grad)(1).pptx
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Transcript of Tuča (krupa, grad)(1).pptx
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Tuča (krupa, grad)
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padalina kuglice, nepravilne grude 0,5 – 5 cm velike štete
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Nastajanje tuče
cumulonimbus kapi kiše uzlazne struje – smrzavanje preteška zrna velika brzina ( ovisi o
veličini zrna i uvjetima kroz koje prolazi)
1 cm - 32 km/h, 8 cm - 177 km/h
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Pojava tuče
najčešće ljeti
Globalno : sjeverna Indija visoke ravnice SAD-a i Kanade centralna Europa Himalaja južna Kina Argentina južna Afrika jugistočna Australija
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Pojava tuče
Hrvatska: Zagorje Slavonija unutrašnjosti Istre, Ravnih
kotara, Zagore oko ušća Neretve
svibanj, lipanj
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Štete i sprječavanje tuče
najveće štete – vinogradi stradaju i usjevi
protugradne rakete - kemijski pojevi, u olujni oblak, veći broj manjih zrnaca
oprašivanje oblaka zrakoplovima
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Zanimljivosti
Najveća tuča: Vivan, Južna Dakota srpanj 2010. promjer – 20 cm , opseg –
48 cm
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HVALA NA PAŽNJI!