TEMPERATURE 'C 



SEA LEVEL PRESSURE 

 1020 



1010 

 lOOO 

 990 

 980 



200000 2I0OO0 22OO00 230000 240000 250000 



AUGUST 1971 



260000 



270000 



280000 



290000 



TEMPERATURE 'C 



2 



-4.0 



IIIMIMMMIMMMMMIMMI 



SEA LEVEL PRESSURE 

 1020 



1010 — 



990 



3OO0OO 310000 



AUGUST 1971 



OIOOOO 020000 O3O0OO 040000 05O000 



SEPTEMBER 1971 



060000 



070000 



080000 



TEMPERATURE "C 

 30 



SEA LEVEL PRESSURE (MBS) 

 1030 



1020 

 1010 — 

 1000 

 990 



MMMI | IMMM | lllMM|MMIII|MIIMI|IIMIil|IIMMI|MMIM | MMIM | lllll 



0900OO 100000 MOOOO 120000 I30000 140000 I50OO0 I60000 i TOi.X>? 



SEPTEMBER 1971 



Figure 29. — Surface air temperature (°C) and barometric pressure (mb) during WEBSEC-71, August-September, 1971. 



45 



