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Straight-line winds of 35 m/s have been reported at Stei weather station (see ESWD reports plot at the top of this page) and they caused significant damage. At the same time a bow echo was observed in the radar imagery. CAPESHEAR parameter looks more extreme than CAPE in the forecast. This again suggests that deep-layer wind shear played a major role in the severe convective outbreak. CDFs for CAPE (left) and CAPESHEAR (right) over Stei are shown below.
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