(S (S (NP (NP (BASENP (DT The) (JJ massive) (NN surge)) (PP (IN of) (BASENP (JJ hot) (NN air)))) (SBAR (WHNP (WDT that)) (S (VP (VBZ has) (VP (VP (VBN plagued) (BASENP (DT the) (NNP West) (CC and) (NNP Midwest))) (PP (IN during) (BASENP (JJ last) (NN week)))))))) (VP (VBZ has) (VP (ADVP (RB now)) (VP (VBN moved) (PP (IN over) (NP (BASENP (DT the) (JJ eastern) (NN seaboard)) (PP (IN of) (BASENP (DT the) (NNP United) (NNPS States))))))))) (PERIOD .))