M5 20Hz Data Missing Last File Each Day

Wind & Water NWTC Wind Data
1

Hi Andy,

I noticed that the M5 20Hz MAT files seem to be missing the last data file for each day. That is, the last file is at 23:40 hours instead of 23:50 hours. This behavior started on Jan 03, 2013. Prior to this date, the last file was 23:50 hours (as expected). Consequently, the M5 10 minute data does not have a record for 23:50 hours after Jan 03, 2013.

I just wanted to bring this to your attention in case it could be a “bug”. To see the issue, open any M5 20Hz directory on the server (after Jan 03, 2013) and notice that there is no 23:50 file.

The M4 tower does not seem to have this behavior.

Best regards,
Everett

2

Got it. We’ve figured out what was happening and will fix this.

3

That’s great news!

This will really help the continuity of my frequency analysis.

Everett

4

It looks like this behavior has started on the M4 tower as of 11/20/2013.

M4 (20Hz) is missing the last file for each day starting on 11/20/2013 and continues through 12/11/2013.

I decided to post this here in case it is related to the M5 behavior rather than start a new thread.

Just a “heads up”.

Everett

5

Looks like a script for moving the files from the met towers to the network didn’t work quite right. We’ll fix this.

6

Maybe I am missing something obvious but where do I download 20 Hz wind measurement data? Can somebody post a link?

Thanks

7

Hi Dee,

Please see [url]Where to find data].

Please also note the comments on that post about attribution and reporting - it’s really important that I know what people are doing with the data and that NREL be acknowledged as the source of this data.

Thanks!