Julie Prestopnik wrote: > In the subroutine RODCON in the lib_therm.f file, CH is defined as: > Max height of the snow before the Snowplow remove it > parameter ( CH = 4.0 ) > > However, I don't see where this is used in the subroutine. Can you > please tell us how and where CH is used? And, is this a value that we > could change? > > It is not used. I have remove it from the code. The threshold values are specified by the variable MEA in lib_therm.f.
> ----- > > We have been making some assumptions about the time range that some of > the fields in METRo's output/input files cover, and were hoping you > could clarify these for us. > > In the output roadcast file, the following fields exist: > > sn is quantity of snow/ice on road (cm) > ra is quantity of rain on road (mm) > qp-sn is total snow precipitation (cm) > qp-ra is total rain precipitation (mm) > > For sn and ra, are these instantaneous (or averages)? > Instantaneous. > For the qp fields are these hourly totals, totals within the 20 minute > forecast period, or are they accumulations for the model run since the > first roadcast hour through the X hour in the roadcast file? > Those qp are simply a copy of what is in the atmospheric forecast, i.e. qp-sn and qp-ra are "sn" and "ra" from the atmospheric forecast, respectively. > Similarly, in the input forecast file, the following fields exist: > > ra is rain precipitation quantity since the beginning of the forecast > (mm) > sn is snow precipitation quantity since the beginning of the > forecast (cm) > > This implies that we should list the accumulated rain/snow > precipitation from the first forecast time through the X forecast > hour. Please verify if this is correct. > > This is correct. > Also, in the input forecast file is: > ap surface pressure (mb) > > Does this value refer to the sea level pressure or the station > pressure? > Surface, i.e. station. > We just want to be sure we're interpreting the variables correctly. > No problem. It is a good exercise for me. Miguel _______________________________________________ METRo-developers mailing list [email protected] https://mail.gna.org/listinfo/metro-developers
