W3TIMEMD( input pre-processing )

[Rafikow]

hello i found this problem !! how can i solve it ..
thank you
./ww3_prnc | tee ww3_prnc.out

             *** WAVEWATCH III  Input pre-processing ***  
           ===============================================

Grid name : Lake Victoria (large)

Description of inputs

   Input type        : winds         
   Format type       : long.-lat. grid     
      Field corrected for energy conservation.

       File name         : ayoub.nc                                                                        
       Dimension along x : longitude
       Dimension along y : latitude
       Field component 1 : 10u
       Field component 2 : 10v

*** WAVEWATCH III ERROR IN W3TIMEMD :
PREMATURE END OF TIME ATTRIBUTE
hours since 2022-3-20 00:00:00
DIFFERS FROM CONVENTIONS ISO8601
XXX since YYYY-MM-DD hh:mm:ss
XXX since YYYY-M-D h:m:s
XXX since YYYY-M-D hh:mm:ss

[Rafikow]

@JessicaMeixner-NOAA please help !

[aliabdolali]

@Rafikow It seems the time format/reference are not compatible with ww3 in ayoub.nc.
So you can use nco or cdo tools to change them.

[Rafikow]

@aliabdolali i'm using cdo what command line do i use to convert it to a compatible time for WW3 ???

[aliabdolali]

please check cdo manual
setreftime,date,time[,units] file.nc fileout.nc and many others do conversions for time variables and format. You just need to correct it.

[Rafikow]

@aliabdolali thank u sir i'll try this and tell you what i will get

[mickaelaccensi]

once it's solved, it should be added to the FAQ

if it's just the attributes which are missing or misspelling, it can be done with nco :

ncatted -h -a calendar,time,c,c,'standard' file.nc
ncatted -h -a units,time,o,c,'hours since 1900-01-01 00:00:00Z' file.nc

[aliabdolali]

@Rafikow can we close this issue?

[GaoJieEhime]

There is a problem in model/ftn/w3timemd.ftn subroutine U2D

Please use the standard time format: XXX since YYYY-MM-DD hh:mm:ss

XXX since YYYY-M-D hh:mm:ss, XXX since YYYY-MM-D hh:mm:ss or XXX since YYYY-M-DD hh:mm:ss will make mistake

It is because of the criteria_：[INDEX('XXX since YYYY-MM-DD hh:mm:ss', "-", .TRUE.).EQ.19]