THE IMPACT OF EL NIÑO AND OTHER WEATHER ANOMALIES ON CROP PRODUCTION IN SOUTHERN AFRICA - 21 November 1997
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An El Niño phenomenon has been developing since March 1997 resulting in significant warming of sea-surface temperatures in the Pacific Ocean. The phenomenon is often associated with serious weather anomalies and changes in temperatures and precipitation, which can affect agriculture and water resources. The El Niño this year is being predicted by experts as one of the most severe this century as a result of extreme surface sea temperatures in the Pacific. Expert opinion also suggests that the ph enomenon will continue throughout 1997 and possibly extend into 1998. The worst affects of El Niño are expected to be felt over the next few months. To enable some necessary steps to be taken to reduce possible adverse effects, FAO’s Global Information and Early Warning System (GIEWS) has been closely monitoring weather anomalies in recent months to assess possible effects these may have on crop production and the food supply situation in various countries.