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    Vigilance - Mandeville

    Monde / États-Unis / Louisiana / Mandeville

    30°21'N / 90°3'O / Altitude 1 m / 10:09 18/06/2026, America/Chicago (UTC-5)

    tornade

    Tornado Watch issued June 18 at 7:57AM CDT until June 18 at 5:00PM CDT by NWS New Orleans LA

    depuis : 18/06/2026, 07:57
    à: 18/06/2026, 17:00

    THE NATIONAL WEATHER SERVICE HAS ISSUED TORNADO WATCH 351 UNTIL 5 PM CDT THIS AFTERNOON WHICH REPLACES A PORTION OF TORNADO WATCH 348. THE NEW WATCH IS VALID FOR THE FOLLOWING AREAS IN LOUISIANA THE NEW WATCH INCLUDES 2 PARISHES IN SOUTHEAST LOUISIANA ST. TAMMANY WASHINGTON IN MISSISSIPPI THE NEW WATCH INCLUDES 4 COUNTIES IN SOUTHERN MISSISSIPPI HANCOCK HARRISON JACKSON PEARL RIVER THIS INCLUDES THE CITIES OF BAY ST. LOUIS, BOGALUSA, COVINGTON, CROSSROADS, DIAMONDHEAD, ENON, FRANKLINTON, GAUTIER, GULFPORT, LACOMBE, MANDEVILLE, MCNEIL, MOSS POINT, OCEAN SPRINGS, PASCAGOULA, PICAYUNE, SLIDELL, ST. MARTIN, AND WAVELAND.

    • St. Tammany
    • NWS New Orleans LA
    • 18/06/2026, 07:57
    inondation

    Flood Watch issued June 18 at 2:14AM CDT until June 19 at 7:00AM CDT by NWS New Orleans LA

    depuis : 18/06/2026, 02:14
    à: 18/06/2026, 16:15

    * WHAT...Flooding caused by excessive rainfall continues to be possible. * WHERE...Portions of southeast Louisiana, including the following parishes, Assumption, Central Jefferson, Central Plaquemines, Central St. Charles, Central Tangipahoa, East Baton Rouge, East Feliciana, Eastern Ascension, Eastern Orleans, Iberville, Lower St. Charles, Lower Tangipahoa, Northern Livingston, Northern St. Tammany, Northern Tangipahoa, Pointe Coupee, Southeast St. Tammany, Southern Livingston, Southwestern St. Tammany, St. Helena, St. James, St. John The Baptist, Upper Jefferson, Upper Lafourche, Upper Plaquemines, Upper St. Bernard, Upper St. Charles, Upper Terrebonne, Washington, West Baton Rouge, West Feliciana, Western Ascension and Western Orleans and southern Mississippi, including the following areas, Amite, Northern Hancock, Northern Harrison, Northern Jackson, Pearl River, Pike, Southern Hancock, Southern Harrison, Southern Jackson, Walthall and Wilkinson. * WHEN...Through Friday morning. * 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. Extensive street flooding and flooding of creeks and rivers are possible. Area creeks and streams are running high and could flood with more heavy rain. * ADDITIONAL DETAILS... - Multiple rounds of showers and thunderstorms with locally very heavy rainfall are expected today and potentially continuing through tonight. A large area with rainfall amounts of 4 to 7 inches is expected in the watch area through tonight with isolated totals considerably higher. - http://www.weather.gov/safety/flood

    • Southwestern St. Tammany,St. Tammany
    • 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. Stay weather aware and be ready to take action if Flash Flood Warnings are issued, particularly wireless emergency alert Flash Flood Warnings for Considerable and/or Catastrophic Flooding
    • NWS New Orleans LA
    • 18/06/2026, 02:14
    inondation

    Flash Flood Warning issued June 18 at 9:18AM CDT until June 18 at 11:30AM CDT by NWS New Orleans LA

    depuis : 18/06/2026, 09:18
    à: 18/06/2026, 11:30

    FFWLIX The National Weather Service in New Orleans has extended the * Flash Flood Warning for... Central St. Tammany Parish in southeastern Louisiana... * Until 1130 AM CDT. * At 918 AM CDT, Doppler radar indicated thunderstorms producing heavy rain across the warned area. Between 4 and 7 inches of rain have fallen. Additional rainfall amounts up to 2 inches are possible in the warned area. Flash flooding is ongoing or expected to begin shortly. HAZARD...Life threatening flash flooding. Thunderstorms producing flash flooding. SOURCE...Radar indicated. IMPACT...Life threatening flash flooding of creeks and streams, urban areas, highways, streets and underpasses. * Some locations that will experience flash flooding include... Mandeville and Lacombe.

    • St. Tammany, LA
    • Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Please report observed flooding to local emergency services or law enforcement and request they pass this information to the National Weather Service when you can do so safely.
    • NWS New Orleans LA
    • 18/06/2026, 09:18
    autre

    Marine Weather Statement issued June 18 at 9:42AM CDT by NWS New Orleans LA

    depuis : 18/06/2026, 09:42
    à: 18/06/2026, 10:45

    The areas affected include... Lake Pontchartrain... At 942 AM CDT, Doppler radar indicated a cluster of showers, capable of producing winds to around 30 knots and weak waterspouts. This cluster of showers is generally located 7 nm northwest of Kenner, moving northeast at 35 knots.

    • Lake Pontchartrain
    • A Tornado Watch remains in effect until 500 PM CDT for southeastern Louisiana. Mariners can expect widespread gusty winds to around 30 knots and higher waves. Boaters should seek safe harbor immediately until this activity passes. Brief, weak waterspouts are possible with this activity. Remain on alert in case warnings are issued for waterspout development.
    • NWS New Orleans LA
    • 18/06/2026, 09:42