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Data Format Details
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Meteorological
Station (6mn Average)
Wind Speed is
measured in knots (see below for conversion). Wind direction is
measured in degrees from North Counterclockwise (CCW).
For example,
a value of 90 degrees means that the wind is coming from
the West and will be displayed as shown on the example plot.
Wind Gust reflects
the speed reached during a sudden and brief increase in the strength
of the wind over the 6 minutes average.
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Current
Profile (1mn Average)
Directional
current is measured using an Acoustic Doppler Current Profiler (ADCP).
The same way the wind direction is shown, the current direction
is measured in degrees from North CCW.
Current velocity/Direction
is shown in the table for shipping purpose (knots).
North - South
/ East - West Current are also displayed, this time in m/s. Depth
unit (displays represents a daily display) is meter.
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Instrumentation
ADCP
- Acoustic Doppler Current Profiler. Measures directional ocean
currents based on doppler shifts in backscattered acoustic signals.
More details at http://www.adcp.com/
Conversions
Degrees
Celsius (C) to degrees Fahrenheit (F)
[(C) * 1.8] + 32
= (F)
Knots
(kn) to m/s, km/h, and mi/h
1 knots = 0.51444
m/s = 1.8517 km/h = 1.1506 miles/h
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