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Sea Surface Temperature and Sea Level From Eastern Pacific
GOES Stations
David B. EnField, NOAA/AOML
Instituto Oceanografico de la Armada Guayaquil, Ecuador
Direccion de Hodrografia y Navigacion de la Marina, Callao, PERU
DECEMBER 2007
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Through
cooperative arrangements with South American institutions, the TOGA
program has maintained a network of nine tide stations and four
meteorological stations in Ecuador, Peru and Chile since the mid
1980's. The stations are maintained by NOAA/AOML and the University of
Hawaii. The hourly data are transmitted to down-link stations via the
GOES satellite in real time and processed. The five-day averages
(pentads) at critical stations give us an effective means of monitoring
coastal conditions with good time resolution and compact data volume.
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In December, negative east Pacific anomalies of SST and sea level continued to strengthen. SST anomalies have now
reached between -2°C and -3°C and sea levels are now routinely lower than -10 cm. Sea levels at Callao
have been punctuated by intraseasonal fluctuations of large amplitude over the last half year.
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Day of Sea Sfc Temperature Sea Level Height (cm)
Dec Baltra Talara Callao Baltra Libertad Callao
------ ------ ------ ------ ------ ------ ------
4 ** 15.8 13.6 ** ** 98.1
9 ** 15.4 14.0 ** ** 94.9
14 ** 16.2 13.9 ** ** 96.3
19 ** 17.5 13.7 ** ** 97.0
24 ** 18.3 13.8 ** ** 96.9
29 ** 20.4 13.6 ** ** **
Anomalies
4 ** -2.7 -2.4 ** ** -10.0
9 ** -3.2 -2.1 ** ** -13.4
14 ** -2.5 -2.3 ** ** -12.3
19 ** -1.3 -2.5 ** ** -12.0
24 ** -0.8 -2.5 ** ** -12.6
29 ** 1.1 -2.7 ** ** **
For further information contact David.Enfield@noaa.gov
or go to http://www.aoml.noaa.gov/phod/epac/
** - Data missing due to hardware failure
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FIGURE A1.5
Five-day averages of Sea Surface
Temperature (SST, C) and Sea Level Height (SLH, cm) from GOES receiving
stations in Ecuador and Peru. Dashed line and shading show climatology
departures.
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www.nws.noaa.gov
