( Thunderstorms ( ( ( ( dropped ( from ( ( ( ( 1.5 to ) 2 ) inches ) ( of rain ) ) ) ) , ) ( causing ( localized ( urban ( and ( small ( stream flooding ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (NNS Thunderstorms)) (VP (VBD dropped) (PP (IN from) (NP (NP (QP (CD 1.5) (TO to) (CD 2)) (NNS inches)) (PP (IN of) (NP (NN rain))))) (, ,) (S (VP (VBG causing) (NP (JJ localized) (JJ urban) (CC and) (JJ small) (NN stream) (NN flooding))))) (. .)))
Thunderstorms dropped from 1.5 to 2 inches of rain, causing localized urban and small stream flooding.
(ROOT (S (NP (DT A) (NN stream) (NN flooding)) (VP (VBZ is) (ADVP (RBS most) (RB likely)) (VP (VBN caused) (PP (IN by) (NP (DT a) (NN thunderstorm))))) (. .)))