Wednesday 1 PM Tropical Update: Tropical Storm Arthur to dump heavy rounds of rain on Louisiana

Tropical Storm Arthur has formed in the northwestern Gulf, bringing with it potentially life-threatening flooding. Here's a parish-by-parish breakdown of the forecast. STORM UPDATES: 📺 Stream live weather updates:https://www.wwltv.com/watch ⬇️ Get our streaming app: https://tv.wwltv.com/ ⛈️ Storms on radar: https://www.wwltv.com/radar 📲 Latest news: https://www.wwltv.com/ 🌧️ Forecast details: https://www.wwltv.com/article/weather... Orleans Parish Scattered rain and storms will move in starting around 5 p.m. Storms will continue off and on until about 3 a.m. Thursday. 1-3 inches of rainfall is possible. Localized flooding is possible. Isolated risk of tornado from thunderstorms Wednesday into Thursday. Expect gusty south winds on Wednesday and Thursday with gusts around 20-35 mph. Scattered storms could redevelop Thursday afternoon and evening, which may result in more localized flooding. Jefferson Parish Scattered rain and storms will move in starting around 5 p.m. Storms will continue off and on until about 3 a.m. Thursday. 1-3 inches of rainfall is possible. Localized flooding is possible. Isolated risk of tornado from thunderstorms Wednesday into Thursday. Expect gusty south winds on Wednesday and Thursday with gusts around 20-35 mph. Scattered storms could re-develop Thursday afternoon and evening, which may result in more localized flooding. In Lower Jefferson Parish, minor coastal flooding (storm surge) of up to 1 to 3 ft above normal dry ground is possible as some water will get pushed onshore along the coastline. Expect gusty south winds on Wednesday and Thursday. Stronger wind gusts along the coast around 35 to 45 mph are possible late Wednesday through Thursday morning. St. Tammany Parish Scattered rain and storms will move in starting around 4 p.m. Rain will intensify and persist starting around midnight, and that rain could potentially continue until Thursday around 11 a.m. for parts of the parish. Widespread flooding will be a major concern. 4 to 7 inches of rain is possible. Localized areas could receive closer to 10 inches. Rivers will rise to moderate flood stage. Water could reach homes, roads, and businesses. Isolated risk of tornado from thunderstorms Wednesday into Thursday. Expect gusty south winds on Wednesday and Thursday with gusts around 25-35 mph. Scattered storms could re-develop Thursday afternoon and evening, leading to more flooding risks. Terrebonne and Lafourche Parishes Heavy rain and thunderstorms will move in from the Gulf on Wednesday starting at round 4 p.m. Storms will continue off and on until about midnight. 2 to 4 inches of rainfall is possible with some pockets receiving closer to 5 inches possible. Flooding is likely. Isolated risk of tornado from thunderstorms Wednesday into Thursday. Minor coastal flooding (storm surge) of up to 1 to 3 ft above normal dry ground is possible as some water will get pushed onshore along the coastline. Expect gusty south winds on Wednesday and Thursday. Stronger wind gusts around 35 to 45 mph are possible later Wednesday through Thursday morning. Plaquemines and St. Bernard Parishes Scattered rain and storms will move in starting around 5 p.m. Storms will continue off and on until about 1 a.m. Thursday. 1-3 inches of rainfall is possible. Localized flooding is possible. Isolated risk of tornado from thunderstorms Wednesday into Thursday. Minor coastal flooding (storm surge) of up to 1 to 3 ft above normal dry ground is possible as some water will get pushed onshore along the coastline. Expect gusty south winds on Wednesday and Thursday. Stronger wind gusts around 35 to 45 mph are possible late Wednesday through Thursday morning. River Parishes (St. Charles, St. John the Baptist, St. James) Heavy rain and thunderstorms will move in on Wednesday starting at round 4 p.m. Storms will continue off and on until about 3 a.m. Thursday. 3 to 7 inches of rainfall is possible with some pockets receiving closer to 10 inches possible. Flooding is likely. Isolated risk of tornado from thunderstorms Wednesday into Thursday. Expect gusty south winds on Wednesday and Thursday. Stronger wind gusts around 30 to 40 mph are possible late Wednesday through Thursday morning.