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Frequently Asked Questions

Here you will find some frequently asked questions. If your question was not addressed here or anywhere else on our website, then please ask for help in our web forum (http://forum.hycom.org) or search our wiki (http://wiki.hycom.org).



How much storage is required for the HYCOM data in netCDF format? Print

Here is the breakdown of the GLBa0.08 data files for a 00Z snapshot (1 day):

2d/archv.YYYY_DDD_00_2d.nc
521,788,000 Bytes [uncompressed] OR
246,421,000 Bytes {compressed}

salt/archv.YYYY_DDD_00_3zs.nc
2,029,076,000 Bytes [uncompressed] OR
643,528,000 Bytes {compressed}

temp/archv.YYYY_DDD_00_3zt.nc
2,029,076,000 Bytes [uncompressed] OR
643,528,000 Bytes {compressed}

uvel/archv.YYYY_DDD_00_3zu.nc
2,029,076,000 Bytes [uncompressed] OR
643,528,000 Bytes {compressed}

vvel/archv.YYYY_DDD_00_3zv.nc
2,029,076,000 Bytes [uncompressed] OR
643,528,000 Bytes {compressed}

=========================================
Totals (approximately):

8,638,092,000 Bytes / day (00Z) [uncompressed] OR
2,820,533,000 Bytes / day (00Z) {compressed}

3,152,903,580,000 Bytes / year (365 days) [uncompressed] OR
1,029,494,545,000 Bytes / year (365 days) {compressed}

 
How much CPU time is required to produce the HYCOM GLBa0.08 data? Print
Currently running on a Cray XT5 (at the Navy DSRC), the HYCOM GLBa0.08 with data assimilation takes about 2 wall hours per model day using 624 cores (78 nodes, each holding two AMD Barcellona 4-core chips).

 
Can I rely on data to be updated on a daily basis? Print
No. This is a demonstration product from the HYCOM Consortium and is provided as is. HYCOM Consortium does not warrant or suggest that this data is fit for any particular purpose. Further, neither COAPS nor HYCOM consortium guarantee availability, service updates or timely data delivery.

 
How can I access the latest Gulf of Mexico forecasts? Print
Go to the GoM (GOMl0.04) model information page.

 
How can I access the latest Global ocean forecasts? Print
Go to the Global (GLBa0.08) model information page.

 
How do I request a HYCOM account? Print

Click Account Request in the left-hand menu, or click here.