A polar low named Vera: the use of potential vorticity diagnostics to assess its development

2011 ◽  
Vol 137 (660) ◽  
pp. 1790-1803 ◽  
Author(s):  
Thor Erik Nordeng ◽  
Bjørn Røsting
Keyword(s):  
Potential Vorticity ◽  
Polar Low

Predicted hazard area for a polar low

1987 ◽  
Vol 39 (4) ◽  
pp. 390-396 ◽  
Author(s):  
Karl J. Eidsvik
Keyword(s):  
Polar Low ◽  
Hazard Area

Potential Vorticity Mixing in Hurricanes: Comparison of Nondivergent and Divergent Barotropic Vortices

1999 ◽  
Author(s):  
Scott R. Fulton ◽  
Wayne H. Schubert ◽  
Michael T. Montgomery
Keyword(s):  
Potential Vorticity

scholarly journals Integrable unsteady motion with an application to ocean eddies

1998 ◽  
Vol 5 (3) ◽  
pp. 145-151
Author(s):  
A. D. Kirwan, Jr. ◽  
B. L. Lipphardt, Jr.
Keyword(s):  
Potential Vorticity ◽  
Particle Motion ◽  
Gulf Stream ◽  
Incompressible Flows ◽  
Unsteady Motion ◽  
Ring System ◽  
Time Dependent ◽  
Two Dimensional ◽  
Ocean Eddies ◽  
Multilayered Systems

Abstract. Application of the Brown-Samelson theorem, which shows that particle motion is integrable in a class of vorticity-conserving, two-dimensional incompressible flows, is extended here to a class of explicit time dependent dynamically balanced flows in multilayered systems. Particle motion for nonsteady two-dimensional flows with discontinuities in the vorticity or potential vorticity fields (modon solutions) is shown to be integrable. An example of a two-layer modon solution constrained by observations of a Gulf Stream ring system is discussed.

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