The anomalous Arctic lower stratospheric polar vortex of 1992-1993

@inproceedings{Manney1994TheAA,
  title={The anomalous Arctic lower stratospheric polar vortex of 1992-1993},
  author={Gloria L. Manney and Richard W Zurek and Melvyn E. Gelman and Alvin J. Miller and Ronald M. Nagatani},
  year={1994}
}
Potential vorticity (PV) gradients defining the lower stratospheric vortex during the 1992–1993 winter were anomalously strong and persistent compared to those during the last 16 Arctic winters. For ≈3 months PV gradients were closer to typical Antarctic values than to most Arctic values. Air motion diagnostics computed for 3-dimensional air parcel trajectories confirm that the 1992–1993 Arctic lower stratospheric vortex was substantially more isolated than is typical. Such isolation will delay… CONTINUE READING

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