4-96Garmin G500H Pilot’s Guide 190-01150-02 Rev. JForewordSec 1SystemSec 2PFDSec 3MFDSec 4HazardAvoidanceSec 5AdditionalFeaturesSec 6Annun.& AlertsSec 7SymbolsSec 8GlossaryAppendix AAppendix BIndex4.8.10 SIGMETs and AIRMETs (SIG/AIR)SIGMETs (SIGnificant METeorological Information) and AIRMETs(AIRmen’s METeorological Information) are broadcast for potentially hazardousweather considered of importance to aircraft. A Convective SIGMET is issuedfor hazardous convective weather. A localized SIGMET is a significant weathercondition occurring at a localized geographical position.SIGMET LineIFR LineCursor On AIRMET/SIGMET LineMTN Obscures VisibilityProduct AgeCursor LocationIcingLocalized SIGMETFigure 4-79 GFDS Weather Page - AIRMETs/SIGMETsWhen enabled, SIGMET/AIRMETs advise the pilot of potentially hazardousweather to all aircraft. SIGMET/AIRMET data covers icing, turbulence, dust,and volcanic ash as issued by the National Weather Service. The update rate isevery 12 minutes in the U.S. Elsewhere, updates are made as they are issued.Viewing Textual SIGMETs/AIRMETsTextual SIGMET/AIRMETs can be viewed by selecting an SIGMET/AIRMETline on the Map or Weather (WX) pages.1) While viewing a Map or Weather page, Use the small and large MFD knobs tomove the cursor to highlight a SIGMET/AIRMET line. Press ENT.2) The Waypoint Information page for that line will now be shown. Press the WXsoft key to view weather information.
