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Explanation of Data Designators T1T2A1A2ii CCCC
TABLE D2 Level designator ii (when T1 = D, G, H, J, P, Q, X or Y)
Instructions for the proper application of the level designators

 

(1)  The designator specified in this table should be used to the greatest extent possible to indicate the level of the data contained within the text of the bulletin
(2) When data at more than one level are contained in the text, the designator for only one of the levels should be used.
(3) When the table does not contain a suitable designator for the level, a designator which is not assigned in the table should be used.

 

T1 Level Designator ii Depth (in meters)
D, G, H, J, P, Q, X or Y 99 1000 hPa
D, G, H, J, P, Q, X or Y 98 Air priorities for the Earth's surface
D, G, H, J, P, Q, X or Y 97 Level of the tropopause
D, G, H, J, P, Q, X or Y 96 Level of maximum wind
D, G, H, J, P, Q, X or Y 95 950 hPa
D, G, H, J, P, Q, X or Y 94 Level of 0 Degrees C isotherm
D, G, H, J, P, Q, X or Y 93 975 hPa
D, G, H, J, P, Q, X or Y 92 925 hPa
D, G, H, J, P, Q, X or Y 91 875 hPa
D, G, H, J, P, Q, X or Y 90 900 hPa
D, G, H, J, P, Q, X or Y 89 Any parameter reduced to sea level (eg MSLP)
D, G, H, J, P, Q, X or Y 88 Ground or water properties for the Earth's surface (ie snow cover, wave and swell)
D, G, H, J, P, Q, X or Y 87 1000-500 hPa thickness
D, G, H, J, P, Q, X or Y 86 Boundary level
D, G, H, J, P, Q, X or Y 85 850 hPa
D, G, H, J, P, Q, X or Y 84 840 hPa
D, G, H, J, P, Q, X or Y 83 830 hPa
D, G, H, J, P, Q, X or Y 82 825 hPa
D, G, H, J, P, Q, X or Y 81 810 hPa
D, G, H, J, P, Q, X or Y 80 800 hPa
D, G, H, J, P, Q, X or Y 79 790 hPa
D, G, H, J, P, Q, X or Y 78 780 hPa
D, G, H, J, P, Q, X or Y 77 775 hPa
D, G, H, J, P, Q, X or Y 76 760 hPa
D, G, H, J, P, Q, X or Y 75 750 hPa
D, G, H, J, P, Q, X or Y 74 740 hPa
D, G, H, J, P, Q, X or Y 73 730 hPa
D, G, H, J, P, Q, X or Y 72 725 hPa
D, G, H, J, P, Q, X or Y 71 710 hPa
D, G, H, J, P, Q, X or Y 70 700 hPa
D, G, H, J, P, Q, X or Y 69 690 hPa
D, G, H, J, P, Q, X or Y 68 680 hPa
D, G, H, J, P, Q, X or Y 67 675 hPa
D, G, H, J, P, Q, X or Y 66 660 hPa
D, G, H, J, P, Q, X or Y 65 650 hPa
D, G, H, J, P, Q, X or Y 64 640 hPa
D, G, H, J, P, Q, X or Y 63 630 hPa
D, G, H, J, P, Q, X or Y 62 625 hPa
D, G, H, J, P, Q, X or Y 61 610 hPa
D, G, H, J, P, Q, X or Y 60 600 hPa
D, G, H, J, P, Q, X or Y 59 590 hPa
D, G, H, J, P, Q, X or Y 58 580 hPa
D, G, H, J, P, Q, X or Y 57 570 hPa
D, G, H, J, P, Q, X or Y 56 560 hPa
D, G, H, J, P, Q, X or Y 55 550 hPa
D, G, H, J, P, Q, X or Y 54 540 hPa
D, G, H, J, P, Q, X or Y 53 530 hPa
D, G, H, J, P, Q, X or Y 52 520 hPa
D, G, H, J, P, Q, X or Y 51 510 hPa
D, G, H, J, P, Q, X or Y 50 500 hPa
D, G, H, J, P, Q, X or Y 49 490 hPa
D, G, H, J, P, Q, X or Y 48 480 hPa
D, G, H, J, P, Q, X or Y 47 470 hPa
D, G, H, J, P, Q, X or Y 46 460 hPa
D, G, H, J, P, Q, X or Y 45 450 hPa
D, G, H, J, P, Q, X or Y 44 440 hPa
D, G, H, J, P, Q, X or Y 43 430 hPa
D, G, H, J, P, Q, X or Y 42 420 hPa
D, G, H, J, P, Q, X or Y 41 410 hPa
D, G, H, J, P, Q, X or Y 40 400 hPa
D, G, H, J, P, Q, X or Y 39 390 hPa
D, G, H, J, P, Q, X or Y 38 380 hPa
D, G, H, J, P, Q, X or Y 37 370 hPa
D, G, H, J, P, Q, X or Y 36 360 hPa
D, G, H, J, P, Q, X or Y 35 350 hPa
D, G, H, J, P, Q, X or Y 34 340 hPa
D, G, H, J, P, Q, X or Y 33 330 hPa
D, G, H, J, P, Q, X or Y 32 320 hPa
D, G, H, J, P, Q, X or Y 31 310 hPa
D, G, H, J, P, Q, X or Y 30 300 hPa
D, G, H, J, P, Q, X or Y 29 290 hPa
D, G, H, J, P, Q, X or Y 28 280 hPa
D, G, H, J, P, Q, X or Y 27 270 hPa
D, G, H, J, P, Q, X or Y 26 260 hPa
D, G, H, J, P, Q, X or Y 25 250 hPa
D, G, H, J, P, Q, X or Y 24 240 hPa
D, G, H, J, P, Q, X or Y 23 230 hPa
D, G, H, J, P, Q, X or Y 22 220 hPa
D, G, H, J, P, Q, X or Y 21 210 hPa
D, G, H, J, P, Q, X or Y 20 200 hPa
D, G, H, J, P, Q, X or Y 19 190 hPa
D, G, H, J, P, Q, X or Y 18 180 hPa
D, G, H, J, P, Q, X or Y 17 170 hPa
D, G, H, J, P, Q, X or Y 16 160 hPa
D, G, H, J, P, Q, X or Y 15 150 hPa
D, G, H, J, P, Q, X or Y 14 140 hPa
D, G, H, J, P, Q, X or Y 13 130 hPa
D, G, H, J, P, Q, X or Y 12 120 hPa
D, G, H, J, P, Q, X or Y 11 110 hPa
D, G, H, J, P, Q, X or Y 10 100 hPa
D, G, H, J, P, Q, X or Y 09 090 hPa
D, G, H, J, P, Q, X or Y 08 080 hPa
D, G, H, J, P, Q, X or Y 07 070 hPa
D, G, H, J, P, Q, X or Y 06 060 hPa
D, G, H, J, P, Q, X or Y 05 050 hPa
D, G, H, J, P, Q, X or Y 04 040 hPa
D, G, H, J, P, Q, X or Y 03 030 hPa
D, G, H, J, P, Q, X or Y 02 020 hPa
D, G, H, J, P, Q, X or Y 01 010 hPa
D, G, H, J, P, Q, X or Y 00 Entire atmosphere (eg precipitable water)

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