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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
SEPTEMBER 2008
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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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A warm episode in the Nino 1+2 region seems to have run
its course after 2-3 months. Coastal SST and sea level
anomalies are clearly on a downward trend and entering
negative territory once again. The time scales of these
fluctuations is greater that that of the MJO-related
Kelvin waves, so it appears we may be entering a somewhat
prolonged period of cooler SSTs in the eastern Pacific.
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Day of Sea Sfc Temperature Sea Level Height (cm)
Sep Baltra Talara Callao Baltra Libertad Callao
------ ------ ------ ------ ------ ------ ------
5 ** 18.0 16.1 ** ** 97.7
10 ** 17.8 16.0 ** ** 98.4
15 ** 18.2 15.8 ** ** 107.2
20 ** 18.0 15.5 ** ** 100.7
25 ** 17.5 15.3 ** ** 102.1
30 ** 17.3 15.4 ** ** 104.0
Anomalies
5 ** 0.2 0.6 ** ** -8.8
10 ** 0.0 0.5 ** ** -7.9
15 ** 0.3 0.4 ** ** 1.2
20 ** 0.1 0.1 ** ** -5.2
25 ** -0.4 0.0 ** ** -3.8
30 ** -0.6 0.1 ** ** -1.8
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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