[gradsusr] Average wind and swell values NOAA wavewatch III full dataset.

[James T. Potemra]

OK, now I get it.  The climatology won't help.  All you need to do is 
computed means on whatever time interval you choose, set the lat/lon 
domain and display the variable over a set time range.

On 4/13/12 9:43 PM, kent balas wrote:
> I imagine I'd specify the lat long covering the area of interest?  
> What I want to do is identical to the NOAA product viewer 
> (http://polar.ncep.noaa.gov/waves/viewer.shtml?) but over 10 years, 
> instead of 180 hrs.  Perhaps animating with a daily or weekly average 
> values.
>
>
> On Sat, Apr 14, 2012 at 5:32 PM, James T. Potemra <jimp at hawaii.edu 
> <mailto:jimp at hawaii.edu>> wrote:
>
>
>     You want to get/plot a variable along an arbitrary coastline? 
>     This is not going to be straightforward; the output is on a
>     regular lat/lon grid.
>
>     Jim
>
>
>     On 4/13/12 9:18 PM, kent balas wrote:
>>     I'd be very interested Jim, thanks.
>>
>>     What I ultimately want to do is specify any coastline in the
>>     world and see an averages of the various parameters contained
>>     within the NOAA dataset (swell direction, amplitude, wind
>>     direction ect.).
>>
>>     On Sat, Apr 14, 2012 at 5:12 PM, James T. Potemra
>>     <jimp at hawaii.edu <mailto:jimp at hawaii.edu>> wrote:
>>
>>         Kent:
>>
>>         I made a monthly mean climatology from the early WW3 output,
>>         based on 1998-2007 output, if interested just let me know.
>>
>>         Jim
>>
>>
>>         On 4/13/12 8:51 PM, kent balas wrote:
>>>         I'm currently downloading everything that sits in this
>>>         directory ftp://polar.ncep.noaa.gov/pub/history/waves/
>>>
>>>         Its 96GB i think.
>>>
>>>         On Sat, Apr 14, 2012 at 4:33 PM, kent balas
>>>         <kentbalas at gmail.com <mailto:kentbalas at gmail.com>> wrote:
>>>
>>>             How much space do you think I'll need?
>>>
>>>
>>>             On Sat, Apr 14, 2012 at 4:23 PM, Jeff Lake
>>>             <admin at michiganwxsystem.com
>>>             <mailto:admin at michiganwxsystem.com>> wrote:
>>>
>>>                 How big of a hard drive do you have on your server ...
>>>                 GRIB2 files 2x daily since 1999 .. OUCH
>>>
>>>                 -Jeff Lake
>>>                 MichiganWxSystem.com
>>>                 WeatherMichigan.net
>>>                 TheWeatherCenter.net
>>>                 GRLevelXStuff.com
>>>
>>>
>>>                 On 4/14/2012 2:00 AM, kent balas wrote:
>>>>                 Hi Gradusers,
>>>>
>>>>                 I'm new to Grads and am not a computer scientist or
>>>>                 Meteorologist (a lowly Geologist) so pardon my
>>>>                 ignorance.  I'd like to use the NOAA wavewatch III
>>>>                 dataset
>>>>                 (ftp://polar.ncep.noaa.gov/pub/history/waves/) in
>>>>                 *.grb2 format and grads to get average wind and
>>>>                 swell amplitude and direction for any part of the
>>>>                 globe.  I'm fairly sure this is possible as the
>>>>                 wavewatch III product viewer
>>>>                 (http://polar.ncep.noaa.gov/waves/viewer.shtml?)
>>>>                 does it over the past 180 hours.  I'd like to get
>>>>                 the average values over the full dataset (1999 -
>>>>                 present) and produce an animation of this if
>>>>                 possible.  Can someone help me with where to
>>>>                 start?  I'm aware I'll probably need g2ctl, however
>>>>                 my programming knowledge is limited to some basic
>>>>                 python so I'm having trouble with getting started. 
>>>>                 Apologies for the basic question.
>>>>
>>>>                 Kind Regards,
>>>>
>>>>                 Kent Balas
>>>>
>>>>
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