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St James Parish Sheriff's Office
Saturday May 26th, 2018 :: 05:08 a.m. CDT

Advisory

Flash Flood Watch until 07:00PM Tuesday

...Heavy Rainfall Expected... .A very moist tropical air mass is in place over the central Gulf States. Conditions will be favorable for potentially heavy rainfall that may lead to flooding through Saturday evening. Then, as Alberto moves across the northern Gulf of Mexico, heavy rainfall is likely to occur. The main area of concern will be along the Mississippi Gulf coast. Areas west of Lake Pontchartrain may be removed from the watch depending the track and rainfall trends. ...FLASH FLOOD WATCH NOW IN EFFECT THROUGH TUESDAY EVENING... The Flash Flood Watch is now in effect 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 Tuesday evening

* For today, widespread 2 to 4 inches of rainfall likely in swaths along lake and sea breeze boundaries. Some locally higher amounts possible. Rain rates 2 to 3 inches per hour at times.

* For Sunday through Tuesday, Alberto will set the stage for extended periods of heavy rainfall training. Several inches to over a foot of rainfall may be possible in isolated locations. The Mississippi Gulf coast has the highest potential for these higher amounts.

* 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.

* AFFECTED AREAS: 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 ... WEST BATON ROUGE

Instructions:

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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Address/Location
St James Parish Sheriff's Office
5800 Louisiana 44
Convent, LA 70723

Contact
Emergency: 9-1-1
Non-emergencies: 225-562-2200

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Alert Details

Severity:
Severe - Significant threat to life or property
Urgency:
Expected - Responsive action SHOULD be taken soon (within next hour)
Certainty:
Possible (p <= ~50%)
Category:
Meteorological (inc. flood)
Event:
Flash Flood Watch

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