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El Nino-La Nina Sea Surface Temperature, Height, and Wind Anomalies: Jan. 1997 through Dec. 1999
This animation shows the onset of the very strong 1997 El Nino, followed by its collapse and replacement by La Nina. Anomalously warm waters slosh across the Pacific in late 1997 as El Nino begins and the equatorial trade winds diminish in strength. In May 1998, the El Nino event disperses and is rapidly replaced by its reciprocal phenomenon, La Nina, with anomalously cold water along the eastern equatorial Pacific and a reversal of the wind flow patterns.
Intended for grade levels:
  • College (13-14)
  • College (15-16)
  • Graduate / Professional
Type of resource:
  • Visual:
    • Visualization - scientific
  • Atmospheric science
  • Ocean Sciences:
    • Physical oceanography
Technical requirements:
RealPlayer plug-in
Need MPEG-2 viewer, such as Visual Circuits HDfocus or Electrosonic HD Video Server
Cost / Copyright:
No cost
Please give credit to NASA GSFC Scientific Visualization Studio.
DLESE Catalog ID: NASA-SVS-000793
Resource contact / Creator / Publisher:
Author: Greg Shirah
NASA GSFC Scientific Visualization Studio

Principal Investigator: Antonio Busalacchi