Friday, 12 June 2009

Le weekend 13 June

As at Friday evening it is blue skies and no wind, but the prediction is for lots of cloud and wind by 14h00 tomorrow at Worcester - we shall see!
Saturday
The sounding is moist from the surface all the way up which is consistent withe forecast of rain.
Surface wind - 20NW, 5000ft 50NW, 10000ft 70NW, 15000ft 100NWN, 20000ft 130NW
Strong surface turbulence, but too strong for convective gusts. Shear is 24m/s per 4km
Rain is NOT forecast on the sounding
Wave ONLY at 45000ft!!!
Cloud 3-5/8 from 2000ft to 27000ft
Max 12.3 Dewpoint 108 Trigger 15.5CExpect not much 0 J/kg
Sunday
A nice kink in the sounding - showing an inversion at 10000ft - this should make for a nice day's flying in weak thermic conditions
Surface wind - NW20, 5000ft NW 30, 10000ft W 60, 15000ft W70,20000ft W60
Strong surface turbulence!!!Shear drops to 12ms per 4km
Wave from 12000ft upwards, but i would expect it much lower in the valley ;-)
Cloud - low scud clouds - 3000ft - 5000ft
Max 15.4 Dewpoint 9.3 Trigger 14.9Expect 0.9 ms - 1.2 ms to 5000ft
Nice flying

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