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Caltech Climate Dynamics

Team Members

Valeria Barra

Lenka Novak

Senior Research Scientist

Division of Geological and Planetary Sciences, Caltech
1200 E California Blvd
MC C1-221
Pasadena, CA 91125
USA

Office: CliMA House
lenka@caltech.edu

Biography

My work focuses on mid-latitude storm tracks and their interaction with the associated eddy-driven jet streams. I use idealized simulations of the global atmosphere combined with observations, in order to develop theoretical understanding for extreme weather under the current, past and future climates.

Publications:

  • Novak, L., Schneider, T., Farid Ait-Chaalal, F. (in preparation) Midwinter suppression of storm tracks in an idealized zonally symmetric setting, J. Clim. 
  • Harvey, B.J., Ambaum, M.H.P., Novak, L. (in preparation) Are model biases in the North Atlantic jet stream related to eddy activity upstream?, J. Atmos. Sci.
  • Ruggieri, P., Kucharski, F., Novak, L. (in review) Arctic mid-latitude teleconnection patterns in a simple climate model, J. Atmos. Sci.

 

  • Novak, L., Ambaum, M.H.P., Harvey, B.J. (2018) Steady-State Baroclinic Adjustment of Storm Tracks. J. Atmos. Sci., 75, 2955–2970.
  • Novak, L., Tailleux, R. (2018) On the Local View of Atmospheric Available Potential Energy. J. Atmos. Sci., 75, 1891–1907.
  • Novak, L., Ambaum, M.H.P., Tailleux, R. (2017) Marginal Stability and Predator-Prey Behaviour within Storm Tracks. Q. J. R. Meteorol. Soc., 143, 1421–1433.
  • Marshall, D. P., Ambaum, M.H.P., Maddison, J.R., Munday, D., Novak, L. (2017) Eddy saturation and frictional control of the Antarctic Circumpolar Current. Geophys. Res. Lett., 44 (1), 286-292.
  • Novak, L. (2016) The Lifecycle of Storm Tracks, Univ. Reading., PhD thesis.
  • Novak, L., Ambaum, M.H.P., Tailleux, R. (2015) The Lifecycle of the North Atlantic Storm Track. J. Atmos. Sci., 72, 821-833.
  • Ambaum, M. H. P., Novak, L. (2014) A Nonlinear Oscillator Describing Storm Track Variability. Quart. J. Roy. Meteor. Soc., 140, 2680 – 2684.

Publications