B. RELATING SURFACE & UPPER AIR CIRCULATION SYSTEMS
Weather Regimes
Types of Flow Patterns Aloft
Zonal Flow
Meridional Flow
Cutoff Lows
Blocking Patterns
Last revision 6 June 2000
Produced by Edward J. Hopkins, Ph.D.
Department of Atmospheric and Oceanic Sciences
University of Wisconsin-Madison Madison, WI 53706
hopkins@meteor.wisc.edu