2013 WG Meeting Presentations | WAWG Co-chairs – Welcome / Updates Data assimilation in the Whole Atmosphere Community Climate Model Nick Pedatella The lower thermosphere during the Northern Hemisphere winter of 2009 Fabrizzio Sassi Upper atmosphere dynamics of WACCM-X constrained by MERRA Valery Yudin Upper atmosphere day-to-day variability Hanli Liu Towards a comprehensive Global Electric Circuit model: Conductivity and its variability in WACCM model simulations Andreas Baumgaertner Ionosphere module development Stan Solomon Chemistry updates for CCMI Doug Kinnison Effects of inertial gravity wave forcing on the stratospheric polar region and cold pole bias of general circulation models Bo Tan WACCM Studies at CU / LASP Lynn Harvey