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On this page, there are a number of products summarizing the
latest readings for all of CDIP's currently active stations.
There are two general classes of products available: 9-band
products and parameter products.
The parameter and 9-band products differ in how they
measure the peak period (Tp) and peak direction (Dp) of a
station's wave data. (Temperatures and wave heights (Hs) are
identical in the parameter and 9-band products.) The basic difference
is that while the 9-band processing divides all the wave energy
for a station into nine broad bands, the parameter products
divide the energy into many - generally 64 or
128 - small bands. As a result, the 9-band values give a
broader, more general peak value, which the parameter products
pick up finer, more subtle peaks in the data.
For more discussion of Tp, Dp, and their different measures,
see Question 2 of our
General FAQ.
- Summary table, 9-band:
Gives the latest Hs, 9-band Tp, 9-band Dp, and SST readings
for all stations. If a station's data is more than 3 hours old,
it is given in red. If a station has not updated in the past
24 hours, it is not included in the table.
- Summary table, parameter:
Identical to the 9-band table, except that the Tp and Dp values
are taken from the parameter processing, not the 9-band processing.
- Summary map, Southern California 9-Band:
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A map covering Southern California from Morro Bay to the Mexican
border. All stations with directional wave information are depicted
with wave vectors. The magnitude (length) of the vector is proportional
to wave height, the direction of the vector corresponds to the 9-band
Dp, and the color of the vector corresponds to the 9-band Tp.
Stations with data older than 3 hours are shown in white, but do not
have a vector drawn for them. |
- Summary map, Southern California Parameters:
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Identical to the 9-band map, except that the Tp and Dp values
are taken from the parameter processing, not the 9-band processing.
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