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Awiacja
Wind charts - DESCRIPTION 12:10 06.06.2012

 
Winds for aerodrome area.

constituents U0, U50, U100, U150, U200, U250, U300, U400, U500, U600, U700, U800, U900, U1000 - indicate wind AGL (Above Ground Level), and constituents U1500, U3000, U5000, U7000, U10000 - indicate wind AMSL (Above Mean Sea Level) namely absolute height.

Numbers 00, 03 ... 21 stand for hours. If data is collected form hour 00 (were transmitted before 12 GMT) then their order 00 - 21 is natural, however data from 12GMT have the following order: 12, 15, 18, 21, 00, 03, 06, 09.

Signatures below the pictures identify precise validity period of the forecast.

U[kt] - wind given in knots [kt=knots]
ATS - Air Traffic Services
Valid - (validity) validity time given
 
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