Freshly back from GTR09 - (and i will add some text to the pictures i posted when i have a chance) we are into the volatile spring weather of the Cape. It is a right good kick-off to the summer season. The South Wester is with us, and it brings some interesting weather.
Saturday
Expect a swing around as the wind starts N and ends S
Surface wind - SW20, 5000ft W 20, 10000ft NW 50, 15000ft NW 70, 20000ft NW 80
Windshear is moderate 18ms/4km
Light CAT predicted at 5000ft - 11000ft
Wave from 6600ft at 2.5ms to 25000ft at 3.9 to 40000ft at 1.2m/s [a Diamond height day]Cloud 3/8 at 16 - 17000ft
Max 26.6 Dewpoint 8.6 Trigger 25.5
Expect 0.8 ms - 1.3 ms to 5000ft
Energy 43 J/kg
Sunday
An anabatic cold front 182km to the NNW moving at 26kph to the NNW, vertical motion 517m/hour and rain behind the front.
Really moist (in the middle layer) post frontal south easterly - if it was not so moist it would have been an ideal day to George and back a couple of times - the dry adiabat has a classic long distance day curve!!
Surface wind - SSE20, 5000ftSSE 30, 10000ft WSW 30, 15000ft W 60, 20000ft W 80
VERY STRONG SURFACE CAT - watch the ridges!!! and medium CAT indicated 8000 - 10000ft
Windshear is 18ms/4km Wave from 10000ft to 16000ft
Cloud 3 - 5/8 from 4500ft to 6800ft
Max 17 Dewpoint 8.9 Trigger 15.8
Expect 1.0 ms - 1.4 ms to 5500ft
Energy 50J/kg
EY
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