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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
MAY 2009
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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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SST at Talara (4S) continues with energetic intraseasonal
oscillations about the normal seasonal cycle, while at 12S
(Callao) SST has been steadier and below normal. Most
recently, we have seen a sharp rise in sea levels at Callao
from below normal to higher than normal, which has been
sustained for the last six weeks. Usually, we would see the
SST rise several weeks later, but we haven't seen that yet.
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Day of Sea Sfc Temperature Sea Level Height (cm)
May Baltra Talara Callao Baltra Libertad Callao
------ ------ ------ ------ ------ ------ ------
3 ** 18.2 16.2 ** ** 118.0
8 ** 19.4 15.2 ** ** 117.2
13 ** 18.8 16.8 ** ** 121.7
18 ** 20.2 16.7 ** ** 122.4
23 ** 20.6 15.8 ** ** 125.1
28 ** 19.4 16.6 ** ** 116.9
Anomalies
3 ** -1.3 -1.2 ** ** 4.2
8 ** 0.0 -2.1 ** ** 3.6
13 ** -0.5 -0.4 ** ** 8.2
18 ** 1.0 -0.5 ** ** 9.1
23 ** 1.5 -1.3 ** ** 12.0
28 ** 0.4 -0.4 ** ** 4.1
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
