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This appendix is linked to the Daily Arctic Ocean Rawinsonde Data from Soviet Drifting Ice Stations
0 = WBAN NUMBER
1 = AIR FORCE AUGMENTED WMO NUMBER
2 = SHIP CALL SIGN
3 = MOBILE PLATFORM CALL SIGN
4 = MOBILE PLATFORM ID (Assigned by NCDC)
5 = WMO/CARDS NUMBER
6 = FIXED PLATFORM CALL SIGN
7 = OTHER STATION NUMBER (Origin unknown)
8 = RESERVED
9 = NO STATION NUMBER
Missing values are 9. Occupies column 5.
01 = radio/rawinsonde
02 = rocketsonde
03 = satellite
04 = dropsonde
05 = aircraft flight level report
06 = Profiler
07 = PIBAL
08 = APOB
09 = RAWIN (RADAR winds only)
10 = Rawinsonde (RADAR winds)
11 = Radiosonde (optical theodolite)
12 = Rawinsonde (OMEGA NAVAID)
13-98 = reserved
Missing values are 99. Occupies columns 74-75.
0 = NCDC QC after 12/92
1 = NCDC QC prior to 1/93
2 = QC at source
3-7 = reserved
8 = no QC
9 = unknown
Missing values are 9. Occupies column 77.
00 = TD6103 (NMC)
01 = TD6201 (U.S. National data set prior to 1/93)
02 = Standard Nonreal-Time Data Transfer Format
(Mostly MicroART - post 12/92)
03 = Mini Rawin System Format (MRS)
04 = TDAT/WDAT Format
06 = Manuscript
07 = Range standard
08 = MIT
09 = NCAR
10 = TDF54
11 = TDF56
12 = other PC-based, semiautomated reduction system
13 = Canadian upper air archives
14 = Former USSR
15 = Peoples' Republic of China (PRC)
16 = Argentina
17 = British Antarctica
18 = Hong Kong
19 = Korea
18-98 = reserved
99 = unknown
Missing values are 99. Occupies columns 79-80.
0 = absence of clouds
1 = cumulus humilis
2 = cumulus humilis together with stratocumulus
3 = cumulonimbus calvus together with cumulus,
stratocumulus or stratus
4 = stratocumulus cumulogenitus
5 = stratocumulus
6 = stratus and/or fractonimbus
7 = fractonimbus under altostratus or nimbostratus
8 = cumulus humilis together with cumulus congestus
9 = cumulonimbus capillatus, stratocumulus, stratus
0 = < 50 m
1 = 50-100 m
2 = 100-200 m
3 = 200-300 m
4 = 300-600 m
5 = 600-1000 m
6 = 1000-1500 m
7 = 1500-2000 m
8 = 2000-2500 m
9 = > 2500 m
1 = altostratus translucidus
2 = altostratus opacus or nimbostratus
3 = altocumulus translucidus
4 = altocumulus translucidus lenticularis
5 = altocumulus translucidus duplicatus or
altocumulus opacus
6 = altocumulus cumulogenitus
7 = altocumulus opacus or duplicatus
8 = altocumulus cumuliformis, floccus, or castellatus
9 = altocumulus together with cirrus
1 = cirrus filosus
2 = cirrus densus
3 = cirrus nothus
4 = cirrus uncinus
5 = cirrus, cirrostratus
6 = cirrus, cirrostratus
7 = cirrostratus (all sky)
8 = cirrostratus (part of sky)
9 = cirrocumulus
One or more of the following three text fields will appear at the end of each sounding's header in columns 124-325. For a given sounding, COMMENTS and OTHERFILEDATA may or may not be present but ORIGINAL_LATLON will always be there. No matter how many of the following three text fields are present, they will always occur in the order given below and will always begin in column 121.
TXT: YEAR MONTH DAY GMT_HOUR GMT_MINUTE LATITUDE LONGITUDE 3km data: PRESSURE TEMPERATURE HUMIDITY WIND_DIRECTION WIND_VELOCITY DPDP.
These are alternate values for some of the header and 3km level variables. This text field will start with the letters "TXT: " and continue with values for the above listed variables. After the value for LONGITUDE is given, the words "3km data:" may appear with the above listed variables following.
01 = surface
02 = significant level (not at mandatory level)
03 = tropopause (significant level)
04 = significant level for wind (not at mandatory level)
05 = max wind (not at mandatory level)
06 = level of wind shift (not at mandatory level)
10 = mandatory level (for pressure or altitude)
11 = surface and standard level coincide
12 = significant level (occurs at mandatory level)
13 = tropopause (occurs at mandatory level)
14 = significant wind level (occurs at mandatory level)
15 = max wind (occurs at mandatory level)
16 = wind shift (occurs at mandatory level)
0 = FAIL
1 = PASS
0 = FAIL
1 = PASS
0 = FAIL
1 = PASS
0 = FAIL
1 = PASS
0 = FAIL
1 = PASS
0 = FAIL
1 = PASS
0 |
All available elements are correct |
1 |
One or more elements are suspect; no replacement level exists |
2 |
One or more elements are suspect; a replacement level exists |
3 |
Operator (observer) deleted, no replacement level follows |
4 |
NCDC edit/quality control has determined this level to be highly suspect |
5-6 |
Reserved |
7 |
Unknown |
8 |
Replacement level |
9 |
The level has not been checked |
0 = FAIL
1 = PASS
00 |
Operator deleted level |
01 |
Operator added level |
02 |
Aircraft report |
03 |
Dropsonde |
04 |
Rocketsonde |
05 |
Profiler |
06 |
Reserved |
07 |
Reserved |
08 |
Reserved |
09 |
Begin missing data (all elements) |
10 |
End missing data (all elements) |
11 |
Begin missing temperature data/doubtful altitude |
12 |
End missing temperature data |
13 |
Begin missing relative humidity/dew point depression data |
14 |
End missing relative humidity/dew point depression data |
15 |
Begin doubtful altitude data |
16 |
Begin doubtful temperature, altitude data |
17 |
End doubtful temperature data |
18 |
Reserved |
19 |
Reserved |
20 |
Interpolated (generated) mandatory pressure level |
21 |
Interpolated (generated) level other than a mandatory pressure level |
22 |
Highest level reached before balloon descent because of icing or turbulence |
23 |
Balloon re-ascended beyond previous highest level |
24 |
Base pressure for stability index |
25 |
Zero-degree crossing for the RADAT message |
26 |
Tropopause |
27 |
Maximum wind level |
28 |
Below surface level |
29 |
Reserved |
30 |
Reserved |
31 |
Surface level |
32 |
Mandatory pressure level |
33 |
Within 20 hectopascals (mb) of the surface |
34 |
Flight termination level |
35 |
Relative humidity level selection terminated |
36 |
Pressure less than 10 hectopascals |
37 |
Mandatory temperature level |
38 |
Significant temperature level |
39 |
Significant relative humidity level |
40 |
Winds at constant height (above ground level) |
41 |
Mandatory wind level |
42 |
Significant wind level |
43 |
Incremental wind level (e.g., 1-minute, fixed regional) |
44 |
Significant thermodynamic level (reason for selection is unknown) |
45 |
High resolution data sample |
46 |
Other/unspecified |
47 |
Generated winds at incremental heights |
48-50 |
Reserved |
51-99 |
***Used for those levels that satisfy the criteria for multiple types*** |
51-58 |
Reserved |
59 |
Begin missing data (all elements) at a tropopause level |
60 |
End missing data (all elements) at a tropopause level |
61 |
Begin missing temperature data at a tropopause level |
62 |
End missing temperature data at a tropopause level |
63 |
Begin missing relative humidity/dew point depression data at a tropopause level |
64 |
End missing relative humidity/dew point depression data at a tropopause level |
65 |
Begin doubtful altitude data at a tropopause level |
66 |
Begin doubtful temperature, altitude data at a tropopause level |
67 |
End doubtful temperature data at a tropopause level |
68 |
Reserved |
69 |
Begin missing data (all elements) at a mandatory pressure level |
70 |
End missing data (all elements) at a mandatory pressure level |
71 |
Begin missing temperature data at a mandatory pressure level |
72 |
End missing temperature data at a mandatory pressure level |
73 |
Begin missing relative humidity/dew point depression data at a mandatory pressure level |
74 |
End missing relative humidity/dew point depression data at a mandatory pressure level |
75 |
Begin doubtful altitude data at a mandatory pressure level |
76 |
Begin doubtful temperature, altitude data at a mandatory pressure level |
77 |
End doubtful temperature data at a mandatory pressure level |
78-80 |
Reserved |
81 |
Level satisfies requirements for selection as a mandatory pressure level and as a tropopause level |
82 |
Level satisfies requirements for selection as a mandatory pressure level and as a significant level |
83 |
Level satisfies requirements for selection as a mandatory pressure level and as the surface level |
84 |
Highest level reached before balloon descent because of icing or turbulence and is a mandatory level |
85 |
Balloon re-ascended beyond previous highest level and is a mandatory level |
86 |
Base pressure for stability index and is a mandatory level |
87 |
Zero-degree crossing for the RADAT message and is a mandatory level |
88 |
Maximum wind level and is a mandatory level |
89 |
Tropopause level, maximum wind level, and mandatory level |
90 |
Tropopause level and is a maximum wind level |
91-99 |
Reserved |
Record Position |
Element Name |
41-42 |
EQET (Elapsed Time) |
43-44 |
EQP (Pressure/Ranging) |
45-46 |
EQH (Height) |
47-48 |
EQT (Temperature) |
49-50 |
EQU (Humidity) |
51-52 |
EQD (Dew Point Depression) |
53-54 |
EQWDS (Wind Direction/Speed) |
