Figure 16. 1200-hr UTC, 31 October 1991, surlace analysis 



available maps do not permit the level of analysis detail, especially over the 

 marine sector, as for the IOP-4 event discussed by Neiman and Shapiro. 



Figures 17-20 show the 850-mb temperature (°C) fields (approximately 

 15(X)-m elevation) over the eastern United States and western Atlantic at 

 (a) 1200 UTC, 28 October, (b) 0000 UTC, 29 October, (c) 1200 UTC, 

 29 October, and (d) 0000 UTC, 30 October 1991. 



Chapter 3 Halloween Storm 



21 



