Open AccessCharacteristics of quasi-biennial oscillation over Kenya and their predictability potential for the seasonal rainfall
Author(s) -
Laban Ogallo,
R. E. Okoola,
D. N. Wanjohi
Publication year - 1994
Publication title -
mausam
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.243
H-Index - 12
ISSN - 0252-9416
DOI - 10.54302/mausam.v45i1.1878
Subject(s) - predictability , climatology , westerlies , meteorology , wind speed , environmental science , atmospheric sciences , geography , physics , geology , quantum mechanics
investigated using monthly zo.ta l wind com ponents from Nairob i (Kenya ) within the period1966-1987. RelatiHn.;;hips between the stra tospher ic eas terl y and westerly wino phases and t he seasona l ra infallanomalics were also iO\t,"..')t igatN.Res ults Irom spec tra l a nalysis indicated tho d ominance (If a 28 mon th s' period in the IllOal w ind comnoncn.The \'Crtical ra te of propagar ioa of both westerly and easterly wind phases was about - · 1.2 kmmonth.Results from statist ical analysis indicated signitica nr (at 5 '~~ level) association between rainfall anomalyclass (above normal. normal. a mi below normal) and east erly and westerl y wind phas...es.