70 



METEOROLOGY— THEORY 



governing factor in daily weatlicr phenomena. There ],O,OO0-ft levels. It is found that with the iutensifica- 



exists a close correlation between the height of the tion of the pressure field aloft, the lapse rate of tem- 



base of the inversion, the pressure at 10,000 ft, and peratnre approaches the dry adiabatic condition and 



the lapse rate of temperature between the 5,000- and thus, under these conditions, indicates increased sub- 



900 



TEMPERATURE IN DEGREES C 

 15 



960 



980 



1000 — 



Figure 5, Structure of a moderately high inversion near San Diej; 



