File name: ENSO-graph-ENSO-hurricane-source-sans-variable.png
Original Resolution: 2000 × 1000
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The number of Atlantic hurricanes and tropical/subtropical storms tends to increase under La Niña conditions but decrease under El Niño conditions. The bars present the average number Atlantic hurricanes and tropical/subtropical storms sorted by El Niño/La Niña status, as determined by the June-November Niño-3.4 sea surface temperature index values over the 1980-2023 period. Atlantic tropical storm and hurricane data provided by Hiro Murakami and determined from the IBTrACS dataset. NOAA Climate.gov image, based on analysis by Nat Johnson.