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Impact of El Nino Prediction on Brazil Crop Yields

Grain production (orange) in Brazil during El Nino related drought:
Without El Nino prediction (1987) and with El Nino prediction (1992)


Both 1987 and 1992 were El Nino years, with rainfall in Brazil measuring approximately 70 percent of the normal amount (shown in light blue above). In 1987, no El Nino related action was taken, and grain production was less than 20 percent of the normal amount (shown in orange on the left side). In 1992, El Nino was predicted, and drought resistant crops were planted, resulting in far larger grain production, nearly 80 percent of the normal amount (shown in orange on the right side).

Received from NOAA's Office of Global Programs
Courtesy of Funceme

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Nancy Soreide,
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