Tropical Highlights

  Table of Atmospheric Indices  (Table 1)

  Table of Oceanic Indices  (Table 2)

  Time Series

  Time-Longitude Sections

  Mean & Anomaly Fields

• Depth of the 20C Isotherm  T16
  
• Subsurface Eq. Pacific Temp  T17
  
• Sea Surface Temperature  T18
  
• Sea Level Pressure  T19
  
• 850-hPa Vector Wind  T20
  
• 200-hPa Vector Wind  T21
  
• 200-hPa Streamfunction  T22
  
• 200-hPa Divergence  T23
  
• 200-hPa VPOT & Div Wind  T24
  
• OLR  T25
  
• SSM/I Tropical Precipitation  T26
  
• Cloud Liquid Water  T27
  
• Precipitable Water  T28
  
• E-W Divergent Circulation  T29
  
• W-E Divergent Circulation  T30
  
• Pacific Zonal Wind (a)  T31
  
• Pacific Zonal Wind (b)  T32
  

  Appendix 1: Outside Contributions

APRIL 2023

FIGURE T16.  Mean (top) and anomalous (bottom) depth of the 20C isotherm. Data are derived from the NCEP's global ocean data assimilation system which assimilates oceanic observations into an oceanic GCM (Behringer, D. W., and Y. Xue, 2004: Evaluation of the global ocean data assimilation system at NCEP: The Pacific Ocean. AMS 84th Annual Meeting, Seattle, Washington, 11-15). Anomalies are departures from the 1991-2020 base period means.