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Sous surveillance: Dépression tropicale Eleven - N° 11

Type: Dépression tropicale Nom: Eleven
Latitude: 13.1 Longitude: -53.4
Mise à jour: 23H 21/09/2018 Pression: 1007 mb
Vitesse vents: 56 Km/H Vitesse rafales: 72 Km/H
Déplacement: 9 Km/H Direction: WNW 290°


Prévisions - NHC

  • NHC Atlantic Outlook

  • Atlantic 2-Day Graphical Outlook Image
    Atlantic 5-Day Graphical Outlook Image


    Tropical Weather Outlook
    NWS National Hurricane Center Miami FL
    200 AM EDT Sat Sep 22 2018

    For the North Atlantic...Caribbean Sea and the Gulf of Mexico:

    The National Hurricane Center is issuing advisories on newly formed
    Tropical Depression Eleven, located about 500 miles east of the
    Windward Islands.

    1. Showers and thunderstorms have been increasing since last evening
    near the center of a low pressure system located about 550 miles
    south-southeast of the Cabo Verde Islands. Environmental
    conditions appear conducive for further development of this system,
    and a tropical depression could form during the next day or two
    while the low moves westward across the tropical Atlantic Ocean at
    about 20 mph.
    * Formation chance through 48 hours...medium...50 percent.
    * Formation chance through 5 days...medium...60 percent.

    2. A broad area of low pressure located about 200 miles south of
    Bermuda is producing minimal shower activity. Strong upper-level
    winds are expected to diminish by late this weekend or early next
    week, possibly allowing for some slow development of this system
    while it moves westward and then northwestward over the
    southwestern Atlantic Ocean. By the middle of next week,
    upper-level winds are likely to strengthen again, which would limit
    development as the system moves closer to the southeastern coast of
    the United States.
    * Formation chance through 48 hours...low...10 percent.
    * Formation chance through 5 days...low...30 percent.

    3. A non-tropical low pressure system is forming along a frontal
    boundary about 850 miles west-southwest of the Azores. Conditions
    are expected to be conducive for the low to acquire subtropical or
    tropical characteristics, and a subtropical or tropical cyclone is
    likely to form early next week while the low meanders over the
    central Atlantic Ocean.
    * Formation chance through 48 hours...medium...40 percent.
    * Formation chance through 5 days...high...70 percent.

    Public Advisories on Tropical Depression Eleven are issued under WMO
    header WTNT31 KNHC and under AWIPS header MIATCPAT1.
    Forecast/Advisories on Tropical Depression Eleven are issued under
    WMO header WTNT21 KNHC and under AWIPS header MIATCMAT1.

    Forecaster Berg

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Carte GFS

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Situation Atlantique

Activité Tropical - WU