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#7
June 14th 19, 01:52 AM
posted to rec.aviation.soaring
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Today is not the day
Margins are good,whether they be in airspeed, altitude, distance to landable area...
But remember the usual margin prescription is predicated on reasonably behaved air. Vortices, downbursts, frontal passages etc. can blow past the usual margins in the blink of an eye. Downwind of abrupt terrain, a vortex can produce a windshear of twice the wind aloft. 
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