Arctic Cold Front - Typical Appearance in Vertical Cross Sections

by FMI


23 March 2009/11.29 UTC NOAA 18 VIS 0.6+ VIS 0.9+IR 10.9 RGB image; position of vertical cross section indicated

Temperature advection

23 March 2009/12 UTC - Vertical cross section; black: isentropes (ThetaE), red thick: temperature advection - WA, red thin: temperature advection - CA

Divergence

23 March 2009/12 UTC - Vertical cross section; black: isentropes (ThetaE), magenta thick: convergence, magenta thin: divergence

Vertical Motion (Omega)

23 March 2009/12 UTC - Vertical cross section; black: isentropes (ThetaE), cyan thick: vertical motion (omega) - upward motion, cyan thin: vertical motion (omega) - downward motion


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