( ( ( ( ( ( cloudes and ) precipitation ) , ) winds ) , ) ( ( weather ( ( ( ( ( ( ( fronts , ) storms ) , ) ( weather forecasting ) ) , ) and ) hurricanes ) ) . ) )
(ROOT (S (NP (NP (NNS cloudes) (CC and) (NNS precipitation)) (, ,) (NP (NNS winds)) (, ,)) (VP (VBP weather) (NP (NP (NNS fronts)) (, ,) (NP (NNS storms)) (, ,) (NP (NN weather) (NN forecasting)) (, ,) (CC and) (NP (NNS hurricanes)))) (. .)))
cloudes and precipitation, winds, weather fronts, storms, weather forecasting, and hurricanes.
(ROOT (NP (NP (NP (NNP Precipitation)) (ADJP (RB commonly) (JJ occur))) (PRN (-LRB- -LRB-) (PRP s) (-RRB- -RRB-)) (PP (IN along) (NP (DT a) (JJ cold) (NN front))) (. .)))
Precipitation commonly occur(s) along a cold front.