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Vortex Rossby waves on 2-dimensional infinite domain : re-calculations of Montgomery and Kallenbach (1997)

  • Masatsugu Odaka
    • 2017/08/28 (Masatsugu Odaka) Initial Release

This page shows examples of vortex Rossby waves on an infinite 2-dimensional domain (Re-calculation of Montgomery and Kallenbach, 1997).

Basic state

  • Azimuthal componet of velocity, vorticity, Beta parameter
./inf2dbaro_VorRossby_VPhi.png
./inf2dbaro_VorRossby_Eta.png
./inf2dbaro_VorRossby_Beta.png

Case with m=1

  • Animation
  • Corresponds to Montgomery and Kallenbach 1997, Fig.2 (Vorticity disturbance at t=0,20,40,60)
./m=1/inf2dbaro_VorRossby_m1_t0.png
./m=1/inf2dbaro_VorRossby_m1_t20.png
./m=1/inf2dbaro_VorRossby_m1_t40.png
./m=1/inf2dbaro_VorRossby_m1_t60.png

Case with m=2

  • Animation
  • Corresponds to Montgomery and Kallenbach 1997, Fig.5 (Vorticity disturbance at t=0,3,6,9)

./m=2/VorRossby_m2_t0.png
./m=2/VorRossby_m2_t3.png
./m=2/VorRossby_m2_t6.png
./m=2/VorRossby_m2_t9.png

Reference

  • Montgomery, M. T. , Kallenbach, R. J., 1997: A theory for vortex Rossby-waves and its application to spiral bands and intensity changes in hurricanes. Q. J. R. Meteorol. Soc., 123, 435--465.

Link

dcmodel project
spmodel project
GFD Dennou Club