Register: Code Table D-1: Nil reasons
stable
URI: http://codes.wmo.int/common/nil
Nil-reason terms are used to provide an explanation for recording a missing (or void) value within a data product. Terms are drawn from authorities in addition to WMO including ISO/TC 211 (from ISO 19136:2007 Geography markup language clause 8.2.3.1; published on their behalf by the Open Geospatial Consortium).
Contents
| Notation | Name | Description | Status |
|---|---|---|---|
| AboveDetectionRange | Above detection range | The value was above the detection range of the instrument use... | stable |
| BelowDetectionRange | Below detection range | The value was below the detection range of the instrument use... | stable |
| inapplicable | Inapplicable | There is no value. | stable |
| missing | Missing | The correct value is not readily available to the sender of t... | stable |
| noSignificantChange | NOSIG | No significant change is expected to occur. | stable |
| notDetectedByAutoSystem | Nothing detected by automated system | The automated observing system did not detect a value (e.g. n... | stable |
| notObservable | Not observable | A system failure, sensor failure, or sensor obstruction, prev... | stable |
| nothingOfOperationalSignificance | Nothing of operational signficance | Nothing was observed or forecast of operational significance ... | stable |
| template | Template | The value will be available later. | stable |
| unknown | Unknown | The correct value is not known to, and not computable by, the... | stable |
| withheld | Withheld | The value is not divulged. | stable |