Date 

 Time 



Weather and Sea 



August 28, 1963. 



a. IRT airborne observations are taken from flight track flown 

 from 1220 to 1240 P.D.T. and read directly from a Varian 

 G-11 recorder. 



b. Sea surface observations used for comparison were those 

 having a close proximity to the aircraft track and were 

 taken by small boat from 1253 to 1357 P.D.T. 



Wind W-SW about 10 k. Fresh to 12-15 k. by 1500. Choppy low 

 swell from the S. 



Sea Surface Obs. °F. 



Comparison 

 IRT to MERCURY 



Range — IRT 68.0° to 74.5°F. = 6.5°F. 



MERCURY 68.0° to 74.8° F. = 6.6° F. 



Difference - IRT 0.1° < Mercury surface reading 



-79- 



