Figure 14. 1200-hr UTC, 30 October 1991, 500-mb height/temperature 

 analysis 



Application of (3) to the Halloween Stonm to demonstrate the interaction of 

 the upper-level and surface lows as a significant contributor to the storm for- 

 mation is left for a later report 



The upp)er-level low is significant not only to the genesis of the Halloween 

 Storm but also to the motion. In the absence of significant synoptic steering 



Chapter 3 Halloween Storm 



19 



