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6 – i ndex
WPT
WayPoint
WRNG
Warning
WS
WindShear
WSW
West South-West
WT
Weight
WTSPT
Water Spout
WWW
WorldWideWeb
WX
Weather
X
X
Cross
XBAR
Crossbar (of approach lighting
system)
XNG
Crossing
XS
Atmospherics
Y
Y
Yellow
YCZ
YellowCautionZone
YR
Your(s)
Z
Z
CoordinatedUniversal Time (in
meteorological messages)
abbreviations and acronyms
CODE DEFINITION