Statements (23)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
gptkb:aviation_weather_advisory
|
| gptkbp:appliesTo |
gptkb:contiguous_United_States
|
| gptkbp:covers |
thunderstorms
hail tornadoes squall lines embedded thunderstorms |
| gptkbp:format |
gptkb:text
|
| gptkbp:frequency |
as needed
hour |
| gptkbp:issuedBy |
gptkb:National_Weather_Service
gptkb:Aviation_Weather_Center |
| gptkbp:purpose |
warn pilots of hazardous convective weather
|
| gptkbp:regulates |
gptkb:Federal_Aviation_Administration
|
| gptkbp:replacedBy |
SIGMET for convective activity
|
| gptkbp:requires |
severe weather is observed or forecast
|
| gptkbp:usedBy |
air traffic controllers
flight dispatchers pilots |
| gptkbp:validOn |
2 hours
|
| gptkbp:bfsParent |
gptkb:Significant_Meteorological_Information
|
| gptkbp:bfsLayer |
8
|
| https://www.w3.org/2000/01/rdf-schema#label |
Convective SIGMET
|