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date to wind day Converter |
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The following tool can be found in the HYCOM source distribution.
The MT value is days since 1900-12-31 00:00:00, which is also the HYCOM model day or NRL wind day, so you can use hycom_date_wind to find MT.
hycom_date_wind
c
c input: yyyy ddd hh (calendar/model year, ordinal day, and hour), or
c yyyy_ddd_hh (calendar/model year, ordinal day, and hour)
c output: the HYCOM model day and yrflag(=3)
c
c --- wday = wind day since 01/01/1901
c --- yrflag = days in year flag (3=actual)
Example:
ajax 101> echo 2012 120 00 | hycom_date_wind
40662.00000 3
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