Wind Anomalies During El Nino/La Nina Event of 1997-1998 (WMS)
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The El Nino/La Nina event in 1997-1999 was particularly intense, but was also very well observed by satellites and buoys. Deviations from normal winds speeds and directions were computed using data from the Special Sensor Microwave/Imager (SSMI) on the Tropical Rainfall Measuring Mission (TRMM) satellite.
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This animation shows El Nino and La Nina from
1997 through 1998. Each frame is a ten-day average of wind
anomalies--that is, of differences from normal wind velocities.
The area shown in the animation is the Pacific ocean
from -21 to +21 latitude and +120 to +290 East
longitude.
Duration: 60.0 seconds
Available formats:
320x320
PNG
29 KB
2040x504
Frames
160x80
PNG
13 KB
80x40
PNG
6 KB
2040x504 (29.97 fps)
MPEG-1
13 MB
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Color scale for wind speed anomalies. The values range from 0 to 1.5 meters per second. The direction of the wind anomaly in each cell is shown by an arrow.
Available formats:
320 x 90
PNG
11 KB
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