Tropical cyclones in the Mozambique Channel: January–March 2012

Hector Chikoore, Jan Vermeulen and Mark Jury ()

Natural Hazards: Journal of the International Society for the Prevention and Mitigation of Natural Hazards, 2015, vol. 77, issue 3, 2095 pages

Abstract: Tropical cyclone (TC) activity in the Mozambique Channel from January to March 2012 resulted in five landfalls that affected Madagascar and southeastern Africa. The rainfall, circulation, and temperature fields surrounding the TCs were studied for anomalous characteristics. Case studies were considered for two TCs, which brought flooding to southern Mozambique and adjacent areas: Dando 17 January and Irina 3 March. Weather forecasts underestimated rainfall from Dando and poorly resolved the looping track of Irina. An anomalous easterly circulation associated with Pacific La Niña and warm SST in the SW Indian Ocean are indicated as mechanisms supporting repeated tropical cyclogenesis in the Mozambique Channel. The downstream shedding of a vortex from Madagascar contributed to the variable nature of TC tracks and forecast errors in January–March 2012. Copyright Springer Science+Business Media Dordrecht 2015

Keywords: Tropical cyclones; Mozambique Channel; Coastal flooding (search for similar items in EconPapers)
Date: 2015
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DOI: 10.1007/s11069-015-1691-0

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