85 



June 5 gives evidence of a rapidl}'^ advancing season with no water of 

 less than 36° F. south of about hititude 45° N., and the eastern branch 

 of the Labrador current efi'ectively blocked. The current map shown 



49* 48" 47° 46' 45" 44^ 



FiGLTRE 11— Dynamic current chart 0-1,000 decibars, May 28-June 4, 1933. 



in figure 11 is for this same period and a comparison of it with 

 the chart of the surface isotherms is illustrative of the fact that 

 temperatures alone give but a partial picture. 



