Full Notification

A very moisture rich environment is in place and some features are coming together that could lead to a band or two of heavy rain that would likely train over the same area for multiple hours. This could begin as early as overnight tonight but is anticipated more early tomorrow morning and through a good portion of the day. If this does occur the watch would likely need to be extended overnight Friday night for additional storm development.

* WHAT...Flooding caused by excessive rainfall is possible.

* WHERE...Portions of southeast Louisiana, including the following parishes, Assumption, Central Plaquemines, Central Tangipahoa, Coastal Jefferson Parish, East Baton Rouge, Eastern Ascension, Eastern Orleans, Iberville, Lower Jefferson, Lower Lafourche, Lower Plaquemines, Lower St. Bernard, Lower Tangipahoa, Lower Terrebonne, Northern Livingston, Northern St. Tammany, Southeast St. Tammany, Southern Livingston, Southwestern St. Tammany, St. Charles, St. James, St. John The Baptist, Upper Jefferson, Upper Lafourche, Upper Plaquemines, Upper St. Bernard, Upper Terrebonne, West Baton Rouge, Western Ascension and Western Orleans and southern Mississippi, including the following areas, Northern Hancock, Northern Harrison, Northern Jackson, Southern Hancock, Southern Harrison and Southern Jackson.

* WHEN...From 7 PM CDT this evening through Friday evening.

* IMPACTS...Excessive runoff may result in flooding of rivers, creeks, streams, and other low-lying and flood-prone locations. Flooding may occur in poor drainage and urban areas. Storm drains and ditches may become clogged with debris.

* ADDITIONAL DETAILS... - Locally heavy rain could develop and train over the same locations for a few hours quickly leading to pockets of flash flooding. - http://www.weather.gov/safety/flood

* AFFECTED AREAS: IBERVILLE ... WEST BATON ROUGE ... EAST BATON ROUGE ... ASSUMPTION ... ST. JAMES ... ST. JOHN THE BAPTIST ... UPPER LAFOURCHE ... ST. CHARLES ... UPPER ST. BERNARD ... UPPER TERREBONNE ... LOWER TERREBONNE ... LOWER LAFOURCHE ... COASTAL JEFFERSON ... LOWER PLAQUEMINES ... LOWER ST. BERNARD ... SOUTHEAST ST. TAMMANY ... WESTERN ORLEANS ... EASTERN ORLEANS ... NORTHERN ST. TAMMANY ... SOUTHWESTERN ST. TAMMANY ... CENTRAL TANGIPAHOA ... LOWER TANGIPAHOA ... NORTHERN LIVINGSTON ... SOUTHERN LIVINGSTON ... WESTERN ASCENSION ... EASTERN ASCENSION ... UPPER JEFFERSON ... LOWER JEFFERSON ... UPPER PLAQUEMINES ... CENTRAL PLAQUEMINES ... NORTHERN HANCOCK ... NORTHERN HARRISON ... NORTHERN JACKSON ... SOUTHERN HANCOCK ... SOUTHERN HARRISON ... SOUTHERN JACKSON

Instructions:

You should monitor later forecasts and be alert for possible Flood Warnings. Those living in areas prone to flooding should be prepared to take action should flooding develop.