Global Energy and Water Cycle Experiment WHAT ' S NEW IN GEWEX COORDINATED ENHANCED OBSERVATION PERIOD ( CEOP ) SIMULTANEITY MAY BETTER DEFINE CLIMATE TELECONNECTIONS LAND SURFACE TREATMENT MAY BE INFLUENCING GLOBAL CIRCULATION

Northward shift of Northern Hemisphere jet stream results from changes in the treatment of subgrid vegetation information. Red areas show maximum changes in 300 mb wind vectors. See article on page 7. • GLASS to Lead Evaluation of Next Generation Land-surface Schemes (page 3) • GEWEX, ARM and EOS TERRA Plan a Coordinated Observing Period • ISLSCP/BAHC Expands Collaboration (page 15) • GAPP and U.S. Water Cycle Initiative Plans Reviewed in Coordinated Workshops