( ( Westerly ( vertical ( wind shear ) ) ) ( ( ( prevented ( deep convection ) ) ( at ( ( the center ) ( of ( the storm ) ) ) ) ) . ) )
(ROOT (S (NP (CD Westerly) (JJ vertical) (NN wind) (NN shear)) (VP (VBD prevented) (NP (JJ deep) (NN convection)) (PP (IN at) (NP (NP (DT the) (NN center)) (PP (IN of) (NP (DT the) (NN storm)))))) (. .)))
Westerly vertical wind shear prevented deep convection at the center of the storm.
(ROOT (S (NP (JJ Deep) (NNS roots)) (VP (MD will) (ADVP (RBS best)) (VP (VB prevent) (NP (DT a) (NN tree)) (PP (IN from) (S (VP (VBG being) (VP (VBN blown) (PRT (RP over)) (PP (IN by) (NP (JJ high) (NNS winds))) (PP (IN during) (NP (DT a) (NN storm))))))))) (. .)))
Deep roots will best prevent a tree from being blown over by high winds during a storm.