'Pineapple Express': Pacific storm slams California with rain, snow

California battles severe weather challenges as the 'Pineapple Express' unleashes torrential rains. Flash flooding and mudslides cause widespread damage and disruptions. Sierra Nevada witnesses significant snowfall, crucial for water supply. Concerns mount over the second atmospheric river, predicting continuous rainfall and higher elevation snowfall. California faces the paradox of vital atmospheric rivers, yet potentially devastating.