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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

NOVEMBER 2022

The pattern of tropical sea surface temperature (SST) anomalies

Tropical Highlights - November 2022

 

 

During November 2022, below-average sea surface temperatures (SSTs) persisted across the central and eastern equatorial Pacific (Fig. T18). The latest monthly Niņo indices based on OISSTV2.1 were -1.4C for the Niņo 1+2 region, -0.9C for the Niņo 3.4 region and -0.9C for the Niņo 4 region (Table T2). The depth of the oceanic thermocline (measured by the depth of the 20C isotherm) was below-average across the eastern equatorial Pacific (Figs. T15, T16). The corresponding sub-surface temperatures were 1-5C below-average (Fig. T17).

 

Also during November, the lower-level easterly winds and upper-level westerly winds were above-average across most of the equatorial Pacific (Table T1, Fig. T20). Meanwhile, tropical convection was suppressed over much of the central and western equatorial Pacific and enhanced over Indonesia (Fig. T25). Collectively, these oceanic and atmospheric anomalies were consistent with La Niņa conditions.

 

For the latest status of the ENSO cycle see the ENSO Diagnostic Discussion at: http://www.cpc.ncep.noaa.gov/products/analysis_monitoring/enso_advisory/index.html


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