Thanks Miguel -Iain
-----Original Message----- From: Miguel Tremblay [mailto:[EMAIL PROTECTED] Sent: October 30, 2007 11:24 AM To: Iain Russell Cc: [email protected] Subject: Re: [Metro-developers] Roadcast XML output : interpretation of qp-ra and qp-sn Iain Russell wrote: > > Hi > > > > I am interpreting qp-ra and qp-sn as instantaneous hourly values of > precipitation amount (i.e. **not** accumulated since the initial start > time of the model). Is this correct ? > > > > Hi Iain, "qp-sn" and "qp-ra" correspond respectively to "Total snow precipitation (cm)" and "Total rain precipitation (mm)" in the period (that is what was not clear), i.e. in the hour. So an output of "0.1" in the "qp-sn" field would mean that 0.1 cm of snow had felt on the ground during the hour where you would find this number. These output are computed from the atmospheric forecast ("sn" and "ra" fields). I have updated the documentation (added "1 hr" in the field for rain/snow precip) to make it clearer: http://documentation.wikia.com/wiki/Output_roadcast_%28METRo%29#Road_forecast Miguel -- Miguel Tremblay Physicien - Physicist Centre météorologique canadien - Canadian meteorological centre (CMC) Environnement Canada - Environment Canada http://www.ec.gc.ca/ 2121 Trans-Canada N. Suite 228 Téléphone/Phone: 514-421-4729 Dorval, Québec Fax: 514-421-4679 CANADA H9P 1J3 courriel/email: [EMAIL PROTECTED] _______________________________________________ METRo-developers mailing list [email protected] https://mail.gna.org/listinfo/metro-developers
