B. RELATING SURFACE & UPPER AIR CIRCULATION SYSTEMS
Weather Regimes
Types of Flow Patterns Aloft
Zonal Flow
Meridional Flow
Cutoff Lows
Blocking Patterns
Last revision 26 May 1999
Produced by Edward J. Hopkins, Ph.D.
Department of Atmospheric and Oceanic Sciences
University of Wisconsin-Madison Madison, WI 53706
hopkins@meteor.wisc.edu