Forecasts for an El Nino this winter have given way to the prospect of more La Nina-like conditions as sea surface temperatures in the central-eastern Pacific cool rapidly. Surface temperatures in the critical area of the Pacific have fallen to 0.2 degrees Celsius below average, down from 0.7 degrees above average in the week centred on June 28. The rapid cooling has forced meteorologists to reassess the outlook for the northern hemisphere winter. —John Kemp, Reuters, 5 September 2017

South Africa is set for its biggest maize crop harvest on record following improved weather conditions. At least 16.4 million tonnes of maize can be expected from the maize belt this season. Almost 60 percent of the yield will be white maize, which is the regional staple used for human consumption. —The South Africa, 1 September 2017

In 2015, a vicious El Niño weather pattern swept across southern Africa. When it intensified the following year, it caused severe droughts and threatened the food security of millions. But in 2017, that trend is set to reverse. South Africa is expecting a 15.63m tonne maize harvest, the highest yield of the crop ever. Now 85 percent of South Africa’s crop is genetically modified, with even Malawian and Zambian farmers taking up higher-yield seeds at a rapid rate. With the surplus, maize prices have dropped some 60 percent since last year. While this is good news for some consumers, for farmers it is making it hard to balance accounts. The solution: look to export the bumper crop. –Charlie Mitchell, This Is Africa, 27 June 2017

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