Dear all Stéphane says
> I think it is better if the construction of this new standard name > is similar with the construction of other ones. I agree with that. In general "direction" means "to" direction, as in direction_of_sea_water_velocity However in cases, like wind, where there is the possibility of misunder- standing, I think "from_direction", while a bit peculiar in English, is OK for the purpose. Best wishes Jonathan > Of course we can discuss if we want to change all the existing > from/to_direction standard_names, but it may take a lot more time to > reach an agreement (On my side, I don't really have an opinion on > the subject. from/to_direction may not be the best construction, but > I think it is clear about what it represents) > > I hope that, for the moment, this discussion won't prevent the > creation of this new standard_name ! > > > Best regards > > Stéphane Tarot > > > > > Le 21/06/2017 à 17:57, Karl Taylor a écrit : > >Hi all, > > > >I don't like "from_direction" as a construct (I know it's already > >accepted for "wind_from_direction" and it is clearly explained in > >the notes but wouldn't > > > >"direction_of_wind_vector_tail" or > >"wind_vector_tail_direction or > >"tail_direction_of_wind_vector" > > > > be more obvious? > > > >(for the "to" direction you could use "head" or "arrow") > > > >for gust, my vote would be > > > >"direction_of_wind_gust_vector_tail" > > > >(Of course, I would also prefer "speed_of_wind_gust" to > >"wind_gust_speed" , and others probably don't). > > > >best, > >Karl > > > > > >On 6/21/17 3:10 AM, Stephane TAROT wrote: > >>Dear Colleagues, > >> > >>I'd like to request the creation of a standard name for the > >>direction of wind gust (which is linked to the existing > >>wind_speed_of_gust). I suggest > >> > >>wind_from_direction_of_gust (degree) > >> > >> > >>For the definition, a mix of the defintions of > >>wind_from_direction and wind_speed_of_gust can be used, such as > >>: > >> > >>"Wind is defined as a two-dimensional (horizontal) air velocity > >>vector, with no vertical component. (Vertical motion in the > >>atmosphere has the standard name upward_air_velocity.) In > >>meteorological reports, the direction of the wind vector is > >>usually (but not always) given as the direction from which it is > >>blowing (wind_from_direction) (westerly, northerly, etc.). A > >>gust is a sudden brief period of high wind speed. In an observed > >>timeseries of wind speed, the gust wind speed can be indicated > >>by a cell_methods of maximum for the time-interval." > >> > >> > >>Best regards > >> > >>Stéphane Tarot > >> > >> > >> > >> > >> > >> > >> > >>_______________________________________________ > >>CF-metadata mailing list > >>[email protected] > >>http://mailman.cgd.ucar.edu/mailman/listinfo/cf-metadata > > > >_______________________________________________ > >CF-metadata mailing list > >[email protected] > >http://mailman.cgd.ucar.edu/mailman/listinfo/cf-metadata > > _______________________________________________ > CF-metadata mailing list > [email protected] > http://mailman.cgd.ucar.edu/mailman/listinfo/cf-metadata ----- End forwarded message ----- _______________________________________________ CF-metadata mailing list [email protected] http://mailman.cgd.ucar.edu/mailman/listinfo/cf-metadata
