(S (S (S (VP (TO To) (VP (VB exacerbate) (BASENP (DT the) (NN situation))))) (COMMA ,) (S (BASENP (NN heat) (NNS indices)) (VP (VBP are) (VP (VBN expected) (S (VP (TO to) (VP (VP (VP (VB reach) (NP (ADVP (RB well) (RB over)) (BASENP (DT the) (NNS 110s)))) (PP (IN for) (NP (BASENP (JJ much)) (PP (IN of) (BASENP (DT the) (JJ east) (NN coast)))))) (PP (IN due) (PP (TO to) (BASENP (JJ high) (NN humidity) (NNS levels))))))))))) (PERIOD .))