PRESSURE 



51 



FORM flSS-lZ 



OCTOBER 1957 



PEN ARM IS 7 625 INCHES LONC. AXIS IS 3 375 INCHES ABOVE CLOCK FLANGE 



U.S. DEPARTMENT OF COMMERCE. WEATHER BUREAU 



BAROGRAM 



s„iP^j<rsefl;4Af<r*T'/<'/?*' ROUTE from ^^4/'^.<?/«. ^oC■^r?/^<;.eA^..^r«9^ 



CHART ON DATE-'??^<9^'y-TIME/^<?.^-CHART OFF DATE ^«^:^^ME/:^-<?!4? ALL TIMES GREENWICH MERIDIAN. 

 LOG SHIPS POSITION AT 1200GMT FOR EACH DAY AFTER REMOVING CHART. 



Figure 7. --Barograph chart with entries made in accordance with 3r6231. 

 The 3 -hour pressure tendencies for the period are entered on 

 Form 615-5. 



