ატმოსფეროს პერიოდული ოსცილაციები
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ანოტაცია
ჩრდილო ატლანტიკური ოსცილაცია, კვაზი ბინალური ოსცილაცია, მათი უარყოფითი და დადებითი ფაზები განხილულია წარმოდგენილ სტატიაში. El Niño მოვლენა არის ზღვის ზედაპირის არანორმალურად მაღალი ტემპერატურის (SST) ხანგრძლივი პერიოდი ტროპიკულ წყნარ ოკეანეში. იგი ხდება ატმოსფერული პირობების ცვლილებებთან ერთად და შეიძლება ჰქონდეს ძლიერი გავლენა გლობალურ ამინდზე. ელ ნინიოს ასევე შეუძლია მნიშვნელოვნად იმოქმედოს გლობალურ საშუალო ტემპერატურაზე. ECMWF სეზონური პროგნოზის სისტემა ფუნქციონირებს ხუთ წელზე მეტი ხნის განმავლობაში და მალე ჩაანაცვლებს განახლებული სისტემით, SEAS5.UDC 551.576
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