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Flash Flood Watch

Flash Flood Watch Flood Watch

National Weather Service New Orleans LA 1041 AM CDT Fri May 25 2018

...Flash Flood Watch is in effect through Saturday Evening...

.A very moist tropical air mass is in place over the central Gulf States. Lake and sea breeze boundaries today will be slow moving and will allow for focused heavy rain at times today through Saturday. It should be noted that this is not a result of Sub- tropical Storm Alberto at this time, but additional heavy rain threat will increase as Alberto moves northward this weekend.

LAZ040-046>050-056>070-072-MSZ080>082-261545- /O.NEW.KLIX.FF.A.0004.180525T1800Z-180527T0000Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ St. Tammany-Iberville-West Baton Rouge-East Baton Rouge-Ascension- Livingston-Assumption-St. James-St. John The Baptist- Upper Lafourche-St. Charles-Upper Jefferson-Orleans- Upper Plaquemines-Upper St. Bernard-Upper Terrebonne- Lower Terrebonne-Lower Lafourche-Lower Jefferson- Lower Plaquemines-Lower St. Bernard-Southern Tangipahoa-Hancock- Harrison-Jackson- Including the cities of Slidell, Mandeville, Covington, Lacombe, Bayou Sorrel, Plaquemine, White Castle, Port Allen, Addis, Brusly, Baton Rouge, Gonzales, Donaldsonville, Prairieville, Denham Springs, Watson, Walker, Pierre Part, Labadieville, Paincourtville, Convent, Lutcher, Gramercy, Laplace, Reserve, Thibodaux, Raceland, Larose, Destrehan, Norco, Metairie, Kenner, East New Orleans, New Orleans, Belle Chasse, Chalmette, Violet, Houma, Bayou Cane, Chauvin, Cocodrie, Dulac, Montegut, Galliano, Cut Off, Golden Meadow, Leeville, Buras, Pointe A La Hache, Port Sulphur, Boothville, Venice, Empire, Myrtle Grove, Yscloskey, Hammond, Robert, Ponchatoula, Bay St. Louis, Waveland, Diamondhead, Gulfport, Pascagoula, Ocean Springs, Moss Point, Gautier, and St. Martin 1041 AM CDT Fri May 25 2018


The National Weather Service in New Orleans has issued a

* Flash Flood Watch FOR portions of southeast Louisiana and Mississippi, including the following areas, in southeast Louisiana, Ascension, Assumption, East Baton Rouge, Iberville, Livingston, Lower Jefferson, Lower Lafourche, Lower Plaquemines, Lower St. Bernard, Lower Terrebonne, Orleans, Southern Tangipahoa, St. Charles, St. James, St. John The Baptist, St. Tammany, Upper Jefferson, Upper Lafourche, Upper Plaquemines, Upper St. Bernard, Upper Terrebonne, and West Baton Rouge. In Mississippi, Hancock, Harrison, and Jackson.

* through Saturday evening

* Widespread 4 to 6 inches of rainfall likely in swaths along lake and sea breeze boundaries. Some locally higher amounts greater than 6 inches possible. Rain rates 2 to 3 inches per hour at times.

* POTENTIAL IMPACTS OF FLOODING include flooding of streets and low lying areas. Increased water levels on area rivers and streams. High rain rates may briefly overwhelm pumping capacities until rates diminish.


A Flash Flood Watch means that conditions may develop that lead to flash flooding. Flash flooding is a very dangerous situation.

Additional Flash Flood Watches may be extended in area and time at a later time throughout the weekend as the situation unfolds.

You should monitor later forecasts and be prepared to take action should Flash Flood Warnings be issued.

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