Wintertime SLP Variability
SLP Anomalies Dec/Jan/Feb (1988-1997)
1988/89
1989/90
1990/91
Anomalies in
wintertime mean
sea-level pressure
(contours every
2mb).
Note the recurrent
NAO dipole pattern
in the  Atlantic
sector.
1993/94
1991/92
1992/93
1994/95
1995/96
1996/97