(NP (NP (BASENP (DT This)) (PP (IN after) (NP (BASENP (DT a) (NN day)) (PP (IN of) (NP (BASENP (NN snowfall) (CC and) (NNS storms)) (PP (IN in) (BASENP (DT the) (JJ Northeastern) (NNP United) (NNPS States)))))))) (PERIOD .))