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GEM Modling Challenge Updates

Current Status of the challenge

Phys. Parameter/Metrics Study	When Initiated	Deliverables /Expected completion
Phys. Parameter/Metrics Study	When Initiated	Observ. data time series preparation	Database of model results	Papers/Reports/Actions
1. Magnetic field at geosyn. orbit.	summer 2008	completed	completed	Rastaetter et al., 2011 Pulkkinen et al., 2010
2. Magnetopause crossing by geosyn. satellites	summer 2008	completed, provided by Michelle Thompson	completed	Rastaetter et al, presented at GEM 2013 Summer Workshop Papers: Rastaetter et al. manuscript in preparation (2017) Collado-Vega et al. manuscript in preparation (2017)
3. Plasma parameters at geosyn. orbit	summer 2008	SOPA corrections are required to proceed with the study	pending	pending
4. Ground magnetic perturbations	summer 2008	available	completed	Pulkkinen et al., 2009 Pulkkinen et al., 2011 Rastaetter et al., 2014 a base for the operational geospace model validation
4a.Time derivative of ground magnetic perturbations (Operational geospace model validation)	January 2011	available	completed	Discussion at GEM 2012 Summer Workshop Pulkkinen et al., 2013 Phase I Report on dB/dt Study, submitted to NOAA/SWPC at 2013 Space Weather Workshop
4b.Regional-K index (Operational geospace model validation)	Summer 2012	completed	completed (Wing Kp results became available in December 2013)	Glocer et al, 2013, presented at 2013 GEM Summer Workshop Paper: Glocer et al (2016), "Community-wide validation of geospace model localK-index predictions to support model transition tooperations", GEM Focus Group Report: Metrics and Validation (2008-2015) (GEMstone Vol. 27, No1 (2017).
5. Dst Index	summer 2008	available	completed	Rastaetter et al., presented at GEM 2011 mini-workshop Rastaetter et al., poster at Fall AGU 2011 Rastaetter et al., 2013
6. Heat flux into ionosphere (joint with CEDAR)	summer 2010	provided by Liam Kilcommons and Delores Knipp	completed	Rastaetter et al., GEM 2011 mini-workshop Rastaetter et al., 2012 (at GEM 2012 Summer Workshop) Discussions were held during the CEDAR June 2012 workshop, the pre-AGU 2012 GEM mini-workshop and the 2013 GEM summer workshop. Presentations at 2015 GEM Summer Workshop: "Systems-Science Tools, Methodologies, and Results (Thursday June 18, 3:30-5:00)" L. Rastaetter, "Modeled Joule heat in the ionosphere compared with DMSP-F15 Poynting flux" D. Knipp: "Estimating Uncertainty in DMSP-F15 Poynting flux" Paper: L. Rastaetter et al. (2016)
7. Auroral oval (joint with CEDAR)	fall 2010		Data submissions accepted	Report by C.Lane et al., GEM-CEDAR 2011 mini-workshop Discussions were held at CEDAR June 2012 workshop, 2016 Joint GEM-CEDAR workshop, and pre-AGU 2012 mini-workshop and 2013 GEM (and CEDAR-GEM) workshops. Paper expected: spring 2018

Past Updates

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