APPENDIX TO METEOROLOGICAL AND HYDROGRAPHIC TABLES. 



17c 



Table 15 A (continued). Distances in dynamic meters from the earth's surface to the nearest 

 standard isobar ic surfaces, the average virtual temperature of the sheet being' F. and 

 the pressure at the station being given in inches of mercury. 



Pressure 



at the 



station 



(inch 



Hg). 



28.80 

 28.81 

 28.82 

 28.83 

 28.84 



28.85 

 28.86 

 28.87 

 28.88 

 28.89 



28.90 

 28.91 

 28.92 

 28.93 

 28.94 



28.95 

 28.96 

 28.97 

 28.98 

 28.99 



29.00 

 29.01 

 29.02 

 29.03 

 29.04 



29.05 

 29.06 

 29.07 

 29.08 

 29.09 



29.10 

 29.11 

 29.12 



2913 

 29.14 



29- 1 5 

 29.16 

 29.17 

 29.18 

 29.19 



29.20 

 29.21 

 29.22 

 29.23 

 29.24 



29.25 

 29.26 

 29.27 

 29.28 

 29.29 



Standard surfaces (m-bars). 



1000 900 800 A 



-183 



-180 



-178 

 -175 

 -173 



-170 



-168 



-165 

 -163 



-160 



-158 

 -155 

 -152 

 -150 

 -148 



-145 

 -143 

 -140 



-138 

 -135 



-132 

 -130 

 -127 

 -125 



-122 



-120 

 -Il6 



-115 

 -112 



-no 



-107 

 -104 

 -102 



- 99 



- 97 



- 94 



- 92 



- 89 



- 87 

 -84 



- 82 



- 79 



- 77 



- 74 



- 72 



-69 

 -67 

 -64 



- 61 



- 59 



588 

 591 

 593 

 596 

 598 



601 

 603 

 606 

 608 

 611 



613 

 616 

 619 

 621 

 623 



626 

 628 

 631 

 633 

 636 



639 

 641 

 644 

 646 

 649 



651 

 655 

 656 



659 

 661 



664 

 667 

 669 

 672 



674 



677 

 679 

 682 

 684 

 687 



689 

 692 

 694 

 697 

 699 



702 

 704 



707 

 710 

 712 



I45i 

 1454 

 1456 

 1459 

 1461 



1464 

 1466 

 1469 

 1471 

 1474 



1476 



H79 

 1482 

 1484 

 1487 



1489 

 1492 

 1494 



1497 

 1499 



1502 

 1504 

 1507 

 1509 

 1512 



I5H 

 1517 

 1519 



1522 



1524 



1527 

 1530 

 1532 

 1535 

 1537 



1540 

 1542 

 1545 

 1547 

 1550 



1552 

 1555 

 1557 



1 5'"' 

 1562 



1565 

 1567 

 1570 

 1573 

 1575 



Dynamic 



Example : meters. 



Height of station above sea-level 39 



Table 15 A gives for the 1000 m-bar surface and the pressure at the station of 30.00 inches of mercury 1 16 

 Virtual-temperature diagram giving for the sheet between the station and the 1000 m-bar surface 

 the average virtual temperature 77 F.; table 16 a gives for this temperature and 1 16 dynamic 



meters + T 9 



Height of standard surface 1000 m-bars above sea-level 174 



