( ( For ( snow ( to ( push ( into ( ( the ( southern region ) ) ( of Louisiana ) ) ) ) ) ) ) ( , ( ( ( ( ( ( ( extreme ( weather conditions ) ) ( for ( the area ) ) ) ( must ( be present ) ) ) , ) usually ) ( ( a ( low-pressure system ) ) ( coupled ( with ( ( unusually low ) temperatures ) ) ) ) ) . ) ) )
(ROOT (S (PP (IN For) (NP (NN snow) (S (VP (TO to) (VP (VB push) (PP (IN into) (NP (NP (DT the) (JJ southern) (NN region)) (PP (IN of) (NP (NNP Louisiana)))))))))) (, ,) (S (NP (NP (JJ extreme) (NN weather) (NNS conditions)) (PP (IN for) (NP (DT the) (NN area)))) (VP (MD must) (VP (VB be) (ADJP (JJ present))))) (, ,) (ADVP (RB usually)) (S (NP (DT a) (JJ low-pressure) (NN system)) (VP (VBN coupled) (PP (IN with) (NP (ADJP (RB unusually) (JJ low)) (NNS temperatures))))) (. .)))
For snow to push into the southern region of Louisiana, extreme weather conditions for the area must be present, usually a low-pressure system coupled with unusually low temperatures.
(ROOT (S (NP (JJ Cloudy) (NNS conditions)) (VP (MD will) (ADVP (RBS most) (RB likely)) (VP (VB result) (PP (IN from) (NP (DT a) (JJ low-pressure) (NN weather) (NN system))))) (. .)))
Cloudy conditions will most likely result from a low-pressure weather system.