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TIP 4 Current conditions | ![]() |
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Summary of current conditions in the Tropical Pacific
Dr. McPhaden summarized
current environmental conditions in the equatorial Pacific as observed
from the real-time TAO data stream. The period July 1994 to March 1995
was characterized by warm SST anomalies (>1°C) near the date line,
with largest amplitudes (over 2°C) during October December 1994.
Warm SST anomalies were also evident in the eastern Pacific, though smaller
in amplitude and somewhat more restricted in time (October 1994 February
1995). Anomalies progressively weakened throughout 1995, such that by
September 1995 (concurrent with TIP-4) cold anomalies of 0.5° - 1.0°C
appeared all along the equator east of the date line (Figure 1). These
conditions contrasted dramatically with those from late 1994 when 1°-
2° warm anomalies were found in the same region. Associated with
the equatorial cooling, the trade winds were 1 - 2 m s Reference Climate Prediction Center, 1995: Climate Diagnostics Bulletin, September 1995. U.S. Dept. of Commerce, Washington, DC, 77pp. |
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