Cockpit Reference Guide

190-00763-02 Rev. A
Garmin G1000 Pilot’s Guide for the Piper PA-46 Meridian
337
HAZARD AVOIDANCE
SYSTEM
OVERVIEW
FLIGHT
INSTRUMENTS
EICAS
AUDIO PANEL
& CNS
FLIGHT
MANAGEMENT
HAZARD
AVOIDANCE
AFCS
ADDITIONAL
FEATURES
APPENDICES INDEX
SYSTEM
OVERVIEW
FLIGHT
INSTRUMENTS
EICAS
AUDIO PANEL
& CNS
FLIGHT
MANAGEMENT
HAZARD
AVOIDANCE
AFCS
ADDITIONAL
FEATURES
APPENDICES INDEX
Alongsqualllines(multiplecellsorclustersofcellsinaline)individualcellsmaybeindifferentstages
ofdevelopment.Areasbetweencloselyspaced,intensetargetsmaycontaindevelopingcloudsnothaving
enoughmoisturetoproduceareturn.However,theseareascouldhavestrongupdraftsordowndrafts.
Targetsshowingwideareasofgreenaregenerallyprecipitationwithoutsevereturbulence.
Irregularitiesinthetargetreturnmayalsoindicateturbulence,appearingashooks,ngers,orscalloped
edges.Theseirregularitiesmaybepresentingreenareaswithnoyellow,red,ormagentaareasandshould
betreatedashighlydangerousareas.Avoidtheseareasasiftheyareredormagenta.
Figure 6-50 Cell Irregularities
Steep Gradient
Squall Line
Hook or Finger
Scalloped Edge
Thunderstormdevelopmentisrapid.Acoursemaybecomeblockedwithinashorttime.Whendisplaying
shorterranges,periodicallyselectalongerrangetoseeifproblemsaredevelopingfurtherout.Thatcan
helppreventgettingtrappedinablindalleyoranareathatisclosedatoneendbyconvectiveweather.
Figure 6-51 The Blind Alley - Horizontal Scan