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Climate Diagnostics Bulletin
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  Tropical Highlights

  Table of Atmospheric Indices  (Table 1)

  Table of Oceanic Indices  (Table 2)

  Time Series

  Time-Longitude Sections

  Mean & Anomaly Fields

  Appendix 1: Outside Contributions

Tropical Highlights

JUNE 2019

The pattern of tropical sea surface temperature (SST) anomalies

Tropical Highlights - June 2019



During June 2019, sea surface temperatures (SSTs) remained above-average across the equatorial Pacific, except for the far eastern equatorial Pacific (Fig. T18, Table T2). The latest monthly Niņo indices were -0.3°C for the Niņo 1+2 region, +0.6°C for the Niņo 3.4 region and +0.8°C for the Niņo 4 region (Table T2, Fig. T5). The depth of the oceanic thermocline (measured by the depth of the 20°C isotherm) was slightly above-average in the east-central equatorial Pacific and below-average in the far eastern equatorial Pacific (Figs. T15, T16). The corresponding sub-surface temperatures were 0-1°C above average in the east-central equatorial Pacific and 1-4°C below-average in the far eastern equatorial Pacific (Fig. T17).


Also during June, both the lower-level easterly winds and upper-level westerly winds were near-average across the equatorial Pacific (Table T1, Fig. T20, Fig. T21). Meanwhile, tropical convection was enhanced over the western and central equatorial Pacific (Figs. T25, E3). Collectively, these oceanic and atmospheric anomalies reflected the continuation of El Niņo.


For the latest status of the ENSO cycle see the ENSO Diagnostic Discussion at:

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