| Created: | 23/05/2012 11:32:18 AM |
| Modified: | 20/03/2013 10:35:10 AM |
 Project: |
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| Advanced: |
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Forecast cloud conditions, including predicted vertical visibility and cloud layers. <br /></p><p><br /></p><p>A single vertical visibility may be reported, but cannot be reported with cloud layers. <br /></p>
- Attributes
- Associations To
- Associations From
- Constraints
| Attribute | ||
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Public SigConvectiveCloudType cloudType |
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Details:
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Public Distance verticalVisibility |
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Details:
sequenceNumber=1
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| Element | Source Role | Target Role |
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«DataType» CloudLayer Class |
Name: |
Name: layer |
 Details:
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| Element | Source Role | Target Role |
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MeteorologicalAerodromeForecastRecord Class |
Name: |
Name: cloud |
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Details:
Cloud phenomenon of operational significance, including cloud type and cloud layers. To be included whenever applicable, so as to convey a complete description of the clouds of significance to flight operations.<br /></p><p><br /></p><p>When no clouds of operational significance are forecast and “CAVOK” is not appropriate ("NSC") it should be indicated by a missing cloud group with a nil reason of nothingOfOperationalSignificance<br /></p>
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MeteorologicalAerodromeTrendForecastRecord Class |
Name: |
Name: cloud |
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Details:
When no clouds of operational significance are forecast and “CAVOK” is not appropriate ("NSC") it should be indicated by a missing cloud group with a nil reason of nothingOfOperationalSignificance
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| Constraint | Type | Status |
| if( verticalVisibility != null ) layer == null | Invariant | Approved |
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Details:
Vertical visibility cannot be reported together with cloud layers
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