how to generate binary ancillary files for ADL3.0

[kbisanz]

I asked around and I'm not sure where there are concise, detailed instructions of how that works. I asked another developer, Erik, to review the lines you put together. You're very close, but had 2 lines incorrect. The corrected versions are noted below, with "**Corrected**".

So, for a 15 minute time period, you actually have multiple files being effective. In that case, the one with the latest start effectivity (02:45-03:30 and 09:45-10:30) is used.

23:30-00:30: 6hr forecast from 18:00Z
00:30-01:30: file1 generated from interpolate between 6hr and 9hr forecast from 18:00Z
01:30-02:30: file2 generated from interpolate between 6hr and 9hr forecast from 18:00Z
**Corrected** 02:30-03:30: 9hr forecast from 18:00Z
02:45-03:30: 3hr forecast from 00:00Z
03:30-04:30: file1 generated from interpolate between 3hr and 6hr forecast from 00:00Z
04:30-05:30: file2 generated from interpolate between 3hr and 6hr forecast from 00:00Z
05:30-06:30: 6hr forecast from 00:00Z
06:30-07:30: file1 generated from interpolate between 6hr and 9hr forecast from 00:00Z
07:30-08:30: file2 generated from interpolate between 6hr and 9hr forecast from 00:00Z
**Correct** 09:30-10:30: 9hr forecast from 00:00Z
09:45-10:30: 3hr forecast from 06:00Z

[ljiang]

Thanks, Kevin. I have looked at metadata of many files and It seems there should be overlap between 3hr-6hr interpolation from current synoptic time and 9hr-12hr interpolation from previous synoptic time:

...
23:30-00:30: 6hr forecast from 18:00Z
00:30-01:30: file1 generated from interpolating between 6hr and 9hr forecast from 18:00Z
01:30-02:30: file2 generated from interpolating between 6hr and 9hr forecast from 18:00Z
**Corrected** 02:30-03:30: 9hr forecast from 18:00Z
03:30-04:30: file generated from interpolating between 9hr and 12hr forecast from 18:00Z
03:45-04:30: file1 generated from interpolating between 3hr and 6hr forecast from 00:00Z
04:30-05:30: file2 generated from interpolating between 3hr and 6hr forecast from 00:00Z
05:30-06:30: 6hr forecast from 00:00Z
06:30-07:30: file1 generated from interpolating between 6hr and 9hr forecast from 00:00Z
07:30-08:30: file2 generated from interpolating between 6hr and 9hr forecast from 00:00Z
**Corrected** 08:30-9:30: 9hr forecast from 00:00Z
09:30-10:30: file generated from interpolating between 9hr and 12hr forecast from 00:00Z
09:45-10:30: file1 generated from interpolating between 3hr and 6hr forecast from 06:00Z
10:30-11:30: file2 generated from interpolating between 3hr and 6hr forecast from 06:00Z
...

[kbisanz]

Yes, you're correct there could be multiple files overlapping from previous synoptic times. Synoptic time is taken into account during the query and the latest syntopic time is used. Querying can become quite complex for some items.

[johnyjohn]

ProAncTemporalInterpolation.exe performs temporal interpolation of NCEP-ANC-Int files. For example, if you had 06HR and 09HR NCEP-ANC-Int data, it would create 07HR and 08HR files by performing a weighted average on the 06HR and 09HR data.

[wilsonmarcial]

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[Bunny]

It is assumed that the user has pre-installed the ADL CrIS SDR version 3.0 & visit irctc online login for more information of ADL

[thesaintx]

thanks kevin, it's solve some minor problem