Missing Days in NARR

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jdreessen
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Missing Days in NARR

Post by jdreessen » March 13th, 2015, 2:58 pm

I have found a few days missing from the NARR ARL data set thus far and continue to find them in various months and years. It is a sporadic problem but appears to be linked to the NARR data set itself. For instance, try to run a back trajectory for May 30 or May 31, 2003 in the NARR data set. The online version of HYSPLIT did not even give me the option of choosing May 31st, and also did not successfully run the trajectory for May 30. Wanted to pass the info along. Thanks.

ariel.stein
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Re: Missing Days in NARR

Post by ariel.stein » March 16th, 2015, 7:29 pm

Thank you for letting us know. We will fix it soon.
Please let us know if you find any other problems.

jdreessen
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Re: Missing Days in NARR

Post by jdreessen » March 17th, 2015, 2:24 pm

To update:
I have found 3 missing/bad days, all from 2003.
5/30/2003
5/31/2003
7/31/2003

My analysis only looks at data from 1980 to Sep 2014.

tom
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Re: Missing Days in NARR

Post by tom » March 18th, 2015, 1:12 pm

I noticed that too! I hope it will be updated soon
Researching about the Nature and publishing my work gives me pleasure.
You can contact for the best researches here

ariel.stein
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Re: Missing Days in NARR

Post by ariel.stein » March 18th, 2015, 6:14 pm

The files have been corrected and updated.
Please let us know if you find any additional problems with this dataset.

tom
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Re: Missing Days in NARR

Post by tom » March 19th, 2015, 2:28 pm

Thanks for all the support and help!

jdreessen
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Joined: March 24th, 2014, 2:39 pm
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Re: Missing Days in NARR

Post by jdreessen » March 24th, 2015, 10:44 am

Thank you for the prompt attention! The missing days from 2003 are now there.

rich.fiorella
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Joined: June 16th, 2016, 11:50 pm
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Re: Missing Days in NARR

Post by rich.fiorella » June 16th, 2016, 11:54 pm

Hello -

There appears to be a problem as well with the NARR201406 file on the ARL FTP server - the data beyond the first time step seem to be corrupted...header for the check file output is below:

Enter meteorological directory ...
Enter meteorological file name ...

File start time: 14 6 1 0 0
File ending time: 0 6 5 6 0

Last record number : 5775
Record length bytes: 73283
Meteo data model : NARR
Grid size x,y,z : 309 237 24
Vertical coordinate: 2
First forecast hour: 0
Last forecast hour : 0
Records per time : 165
Minutes between : 180

ariel.stein
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Re: Missing Days in NARR

Post by ariel.stein » June 17th, 2016, 9:47 am

I just downloaded the file and checked it. Here is what I got:

METEOROLOGICAL DATA LISTING ...
Enter meteorological directory ...
Enter meteorological file name ...

File start time: 14 6 1 0 0
File ending time: 14 6 30 21 0

Last record number :39600
Record length bytes: 73283
Meteo data model : NARR
Grid size x,y,z : 309 237 24
Vertical coordinate: 2
First forecast hour: 0
Last forecast hour : 0
Records per time : 165
Minutes between : 180

Pole pnt lat/lon : 90.0000 0.0000
Reference lat/lon: 50.0000 -107.0000
Grid size (km) : 32.4600
Orientation : 0.0000
Tang Lat / Cone : 50.0000
Synch pnt x,y : 1.0000 1.0000
Synch pnt lat/lon: 6.9800 -143.7600

Lower left corner: 6.9800 -143.7600
Upper right corner: 50.6077 -13.2792
Tangent point x,y: 317.6060 264.7898

ariel.stein
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Re: Missing Days in NARR

Post by ariel.stein » June 17th, 2016, 9:48 am

Make sure you download the files from:
ftp://arlftp.arlhq.noaa.gov/narr/

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