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Story summary
- U.S. forecasters say the Atlantic hurricane season has produced only three named storms since June.
- They attribute the low activity to an intensifying El Niño and dry, dusty air from Africa.
- Scientists report El Niño sea-surface temperatures are at least 1.5 °C above average, with anomalies up to 4 °C, and that it meets its definition by staying at least 0.5 °C above normal for several consecutive months.
