dphase_cmcgeml: regional GEM model driving (low resolution) forecast run by CMC for the MAP D-PHASE project

The Canadian Meterological Centre (CMC) is running the Global Environmental Multiscale (GEM) model in limited-area mode for the duration of the MAP D-PHASE project (1 June - 31 November 2007). The model is run once-daily directly from operational GEM meso-global forecast data (grid spacing of 33 km). A pair of domains are used for the project with horizontal grid spacings of 15 km and 2.5 km. This outer (low resolution or driving) grid is initialized daily at 0000 UTC and covers all of Europe, out to the British Isles, the North Sea, and Nortern Africa. The timestep for this forecast is 300 sec and outputs are available hourly.

No regional analysis or data assimilation cycle is undertaken during this project. All observational data will therefore be ingested only indrectly in the regional setup through the outer grid initialization and hourly boundary updates from the meso-global model. The GEM model is a semi-implicit, semi-Lagrangian, two time-level, non-hydrostatic model that runs in a wide variety of configurations. An updated version (v3.3.0) of the GEM model is being used for the MAP D-PHASE project in preparation for the Vancouver 2010 Olympic Games project. This version takes advantage of recent developments designed to enhance the quality of guidance over regions of steeply-sloping orography, including the addition of a 6-category bulk microphysics scheme and time-varying orography over the initialization period.

For more information on

-the GEM model dynamics: see Cote et al (1998) [Mon. Wea. Rev.].

-the model physics package: contact Recherche en Prevision Numerique for the related technical document by Mailhot.

-the model's microphysics scheme: see Milbrandt and Yau (2007) [Mon. Wea. Rev.].

Grid description:

DDOM: xfirst: 2.0 yfirst: 43.0 xsize: 201.0 ysize: 101.0 xinc: 0.08 yinc: 0.07 xnpole: 0.0 ynpole: 0.0

Citation proposal
(2009) . dphase_cmcgeml: regional GEM model driving (low resolution) forecast run by CMC for the MAP D-PHASE project. https://gdk.gdi-de.org/geonetwork/srv/api/records/wdc-climate.de:2151333

Simple

Date ( Publication ): 2009-04-07

Edition: 1

Identifier: dphase_cmcgeml

Identifier: doi:10.1594/WDCC/dphase_cmcgeml

Principal investigator

Environment Canada - Ronald McTaggart-Cowan

Contact instructions: Email: mctaggart-cowan.ronald@uqam.ca

Website: not filled

Originator

Environment Canada - Ronald McTaggart-Cowan

Contact instructions: Email: mctaggart-cowan.ronald@uqam.ca

Website: not filled

Author

Environment Canada - Ronald McTaggart-Cowan

Contact instructions: Email: mctaggart-cowan.ronald@uqam.ca

Website: not filled

Publisher

WDC Climate at DKRZ

Point of contact

Environment Canada - Ronald McTaggart-Cowan

Website: not filled

Name: XML

Name: GRIB1; records separated

Name: tar of png

Keywords

model data

Keywords

regional model forecast

Use limitation: COPS scientific use: For scientific use only. No commercial use allowed. Please be aware of the common COPS/GOP/D-PHASE data policy http://cops.wdc-climate.de/