Decades of data show African weather disturbances intensify during La Niña
Peer-Reviewed Publication
Updates every hour. Last Updated: 23-Sep-2025 16:11 ET (23-Sep-2025 20:11 GMT/UTC)
African easterly waves, which directly impact communities in Africa, the Caribbean, and the Americas, are shown to intensify during La Niña, advancing our understanding of how these weather systems influence storm activity.
The German research aircraft HALO is currently being prepared for deployment in New Zealand at its home base at the German Aerospace Center (DLR) in Oberpfaffenhofen: During the "HALO-South" mission, which will begin in September, researchers led by the Leibniz Institute of Tropospheric Research (TROPOS) will investigate the interaction of clouds, aerosols, and radiation over the Southern Ocean. To this end, HALO will spend five weeks conducting measurement flights over the oceans of the clean southern hemisphere from Christchurch, New Zealand. Since it went into service in 2012, HALO has only been used this far south once before. The mission in New Zealand is therefore a first: never before has a German research aircraft investigated the South Pacific and the adjacent Southern Ocean in this region. The aircraft measurements during ‘HALO-South’ are mainly funded by the German Research Foundation (DFG) with contributions from the Max Planck Institute for Chemistry (MPIC) and the German Aerospace Centre (DLR). They mark the start of intensive research cooperation between Germany and New Zealand.
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