Session 12 Sudden Stratospheric Warmings: Drivers and Characteristics

Thursday, 29 June 2017: 10:30 AM-12:00 PM
Salon G-I (Marriott Portland Downtown Waterfront)
Host: 19th Conference on Middle Atmosphere
Daniela I.V. Domeisen, GEOMAR Helmholtz Centre for Ocean Research, Ocean Circulation and Climate Dynamics / Marine Meteorology, Kiel

10:30 AM
Orography and SSWs: Which Mountains Matter Most?
Rachel H. White, University of Washington, Seattle, WA; and A. Sheshadri and D. S. Battisti
11:00 AM
Systematic Assessment of Sudden Stratospheric Warming Thresholds
Amy Hawes Butler, CIRES/Univ. of Colorado, Boulder, CO; and E. P. Gerber
11:15 AM
Defining Sudden Stratospheric Warmings in Climate Models: Accounting for Biases in Model Climatologies
Seok-Woo Son, Seoul National Univ., Seoul, Korea, Republic of (South); and J. Kim, E. P. Gerber, and H. S. Park

11:30 AM
Does Stratospheric Sudden Warming Occur More Frequently during ENSO Winters Than during ENSO-Neutral Winters?
Kanghyun Song, Seoul National University, Seoul, Korea, Republic of (South); and S. W. Son
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