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Climate Diagnostics Bulletin
Climate Diagnostics Bulletin - Home Climate Diagnostics Bulletin - Forecast Climate Diagnostics Bulletin - Extratropics


  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


The pattern of tropical sea surface temperature (SST) anomalies

Tropical Highlights - November 2014



During November 2014, sea surface temperatures (SSTs) were above-average across the equatorial Pacific (Fig. T18, Table T2). The latest monthly Nino indices were +0.9C for the Nino 3.4 region and +0.7C for the Nino 1+2 region (Table T2, Fig. T5). The depth of the oceanic thermocline (measured by the depth of the 20C isotherm) was above-average over the east-central and eastern equatorial Pacific (Figs. T15, T16), and the corresponding sub-surface temperatures were 1-3C above average in those regions (Fig. T17).

Also during November, the low-level easterly trade winds remained near-average across much of the equatorial Pacific (Table T1, Fig. T20). Meanwhile, suppressed tropical convection was observed over Indonesia and near the Date Line (Figs. T25, E3). Collectively, these oceanic and atmospheric anomalies reflect a continuation of ENSO-neutral conditions.


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

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Page Last Modified: December 2014
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