| 0 |
High-resolution data sample
|
|
stable
|
| 1 |
Within 20 hPa of surface
|
|
stable
|
| 2 |
Pressure less than 10 hPa (i.e., 9, 8, 7, etc.) when no other reason applies
|
|
stable
|
| 3 |
Base pressure level for stability index
|
|
stable
|
| 4 |
Begin doubtful temperature, height data
|
|
stable
|
| 5 |
Begin missing data (all elements)
|
|
stable
|
| 6 |
Begin missing relative humidity data
|
|
stable
|
| 7 |
Begin missing temperature data
|
|
stable
|
| 8 |
Highest level reached before balloon descent because of icing or turbulence
|
|
stable
|
| 9 |
End doubtful temperature, height data
|
|
stable
|
| 10 |
End missing data (all elements)
|
|
stable
|
| 11 |
End missing relative humidity data
|
|
stable
|
| 12 |
End missing temperature data
|
|
stable
|
| 13 |
Zero degrees Celsius crossing(s) for RADAT
|
|
stable
|
| 14 |
Standard pressure level
|
|
stable
|
| 15 |
Operator-added level
|
|
stable
|
| 16 |
Operator-deleted level
|
|
stable
|
| 17 |
Balloon re-ascended beyond previous highest ascent level
|
|
stable
|
| 18 |
Significant relative humidity level
|
|
stable
|
| 19 |
Relative humidity level selection terminated
|
|
stable
|
| 20 |
Surface level
|
|
stable
|
| 21 |
Significant temperature level
|
|
stable
|
| 22 |
Mandatory temperature level
|
|
stable
|
| 23 |
Flight termination level
|
|
stable
|
| 24 |
Tropopause(s)
|
|
stable
|
| 25 |
Aircraft report
|
|
stable
|
| 26 |
Interpolated (generated) level
|
|
stable
|
| 27 |
Mandatory wind level
|
|
stable
|
| 28 |
Significant wind level
|
|
stable
|
| 29 |
Maximum wind level
|
|
stable
|
| 30 |
Incremental wind level (fixed regional)
|
|
stable
|
| 31 |
Incremental height level (generated)
|
|
stable
|
| 32 |
Wind termination level
|
|
stable
|
| 33 |
Pressure 100 to 110 hPa, when no other reason applies
|
|
stable
|
| 34 |
Freezing level base
|
|
stable
|
| 35 |
Freezing level top
|
|
stable
|
| 36 |
Flight level base
|
|
stable
|
| 37 |
Flight level top
|
|
stable
|
| 40 |
Significant thermodynamic level (inversion)
|
|
stable
|
| 41 |
Significant relative humidity level (according to NCDC criteria)
|
|
stable
|
| 42 |
Significant temperature level (according to NCDC)
|
|
stable
|
| 43 |
Begin missing wind data
|
|
stable
|
| 44 |
End missing wind data
|
|
stable
|
| 60 |
Level of 80-knot isotach above jet
|
|
stable
|
| 61 |
Level of 80-knot isotach below jet
|
|
stable
|
| 62 |
Other
|
|
stable
|
| 63 |
Missing value
|
|
stable
|