TBA StartApril 21, 2017 - 3:00 pmEndApril 21, 2017 - 4:00 pmAddress National Weather Center, 120 David L. Boren, Rm. 5600, Norman, OK 73072 View map Categories Convective Meteorology (Mesoscale Dynamics)TBA + GOOGLE CALENDAR + ICAL IMPORTMORE DETAILPhone405-325-6561Emaillouis.wicker@noaa.gov