Statements (23)
Predicate | Object |
---|---|
gptkbp:instanceOf |
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 |
https://www.w3.org/2000/01/rdf-schema#label |
Convective SIGMET
|
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
|