Session 6 Waves and Circulation: Connections across Scales—Part II

Wednesday, 9 January 2019: 10:30 AM-12:00 PM
West 212A (Phoenix Convention Center - West and North Buildings)
Host: 20th Conference on Middle Atmosphere
Submitters:
M. Joan Alexander, NorthWest Research Associates, CoRA Office, Boulder, CO and Edwin P. Gerber, Courant Institute of Mathematical Sciences, Center for Atmosphere Ocean Science, New York, NY
Cochairs:
Edwin P. Gerber, Courant Institute of Mathematical Sciences, Center for Atmosphere Ocean Science, New York, NY and Laura Holt, NorthWest Research Associates, Boulder, CO

Papers:
10:30 AM
6.1
Is the Tropospheric Wave Activity Anomalous before Sudden Stratospheric Warmings? (Invited Presentation)
Alvaro de la Camara, Complutense Univ. of Madrid, Madrid, Spain; and T. Birner and J. R. Albers
Recorded Presentation

10:45 AM
6.2
The Tropopause Heat Flux prior to Two Northern Hemisphere SSWs in the High-Altitude Version of the Navy Global Environmental Model
Hannah E. Attard, NRL/National Research Council, Washington, DC; and J. McCormack, A. L. Lang, M. Flatau, K. Viner, and N. Barton
Recorded Presentation

11:00 AM
6.3
“The Vortex Ain’t Alright”: Diagnosing the Features of a Preconditioned Polar Vortex Prior to Sudden Stratospheric Warmings with Time Series Motifs
Zachary D. Lawrence, New Mexico Institute of Mining and Technology, Socorro, NM; and G. L. Manney

11:15 AM
6.4
Using Principal Oscillation Patterns to Characterize Troposphere–Stratosphere Interactions
Aditi Sheshadri, Stanford Univ., Palo Alto, CA; and R. A. Plumb, E. A. Lindgren, and D. I. V. Domeisen
Recorded Presentation

11:30 AM
6.5
Connections between the Stratosphere and Surface Weather Associated with the Stratospheric Sudden Warming in Early 2018
Steven Pawson, GMAO, Greenbelt, MD; and L. Coy and K. Wargan

11:45 AM
6.6
Stratospheric Polar Vortex Variability in the Northern Hemisphere: The Effects of Climate Change on Polar Vortex Trends and Future Projections
John Rogers, Portland State Univ., Portland, OR; and P. Loikith

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