Friday 18 September 2009

le weekend 19 September

An ideal wind direction and sounding for the weekend, but it is perhaps not hot enough yet, and the wind a wee bit too lite, but i think we can put in some good flights this weekend

Saturday
Surface wind - SW 10, 5000ft W light, 10000ft W 30, 15000ft W 50, 20000ft W 60
Windshear low at 10ms/4km
Wave from 10000ft upwards (with the caveat that the wave is normally lower and contactable in the Breede River Valley)
Cloud bleu
Max 19.5 Dewpoint 6.5 Trigger 18.1
Expect 1.1 ms - 1.5 ms to 5800 ft
Boundary layer energy 57 J/kg

Sunday
Surface wind - 10Sw, 5000ft NW 10, 10000ft W 30, 15000ft W 50, 20000ft W 60
windshear 10ms/4km
Wave - again predicted from 10000ft (but see above)
Cloud 8/8 at 30000ft
Max 21.1 Dewpoint 6.5 Trigger 20.4
Expect 0.8 ms - 1.2 ms to 5000 ft
Cloud bleu

EY

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