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Sous surveillance: Hurricane Teddy - N° 20

Type: Hurricane Nom: Teddy
Latitude: 21.6 Longitude: -55.4
Mise à jour: 5:00 AM AST Fri Sep 18 Pression: 947 mb
Vitesse vents: 130 mph - 209 Km/H
Déplacement: 12 mph - 19 Km/H Direction: NW

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    ZCZC MIATWOAT ALL
    TTAA00 KNHC DDHHMM

    Tropical Weather Outlook
    NWS National Hurricane Center Miami FL
    200 AM EDT Fri Sep 18 2020

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

    The National Hurricane Center is issuing advisories on Hurricane
    Teddy, located over the central tropical Atlantic, and on Tropical
    Depression Twenty-Two, located over the southwestern Gulf of Mexico.

    1. Showers and thunderstorms associated with an area of low pressure
    located a few hundred miles southwest of the Cabo Verde Islands have
    increased during the past several hours. Earlier satellite-derived
    wind data indicated that this system does not yet have a
    well-defined center, but it is producing winds near
    tropical-storm-force to its east. Environmental conditions are
    expected to be conducive for additional development during the next
    day or two and a tropical depression or tropical storm could form
    before the end of the week. This system is forecast move
    west-northwestward at 10 to 15 mph through the weekend.
    * Formation chance through 48 hours...medium...60 percent.
    * Formation chance through 5 days...medium...60 percent.

    2. A small low pressure system is embedded within a larger non-tropical
    low. Although showers and thunderstorms associated with the smaller
    low are showing signs of organization, the system will soon move
    inland over Portugal and further tropical or subtropical development
    is unlikely. The low is producing gale-force winds, and will likely
    bring gusty winds and brief periods of heavy rain to portions of
    western Portugal today and tonight. For more information about
    potential hazards in Portugal, please see products issued by the
    Portuguese Institute for the Sea and the Atmosphere (IPMA). For more
    information about marine hazards associated with this system, see
    High Seas Forecasts issued by Meteo France.
    * Formation chance through 48 hours...low...20 percent.
    * Formation chance through 5 days...low...20 percent.

    3. Post-tropical cyclone Paulette is located several hundred miles
    north-northwest of the Azores. The cyclone is forecast to move
    quickly southward for the next several days and then stall over
    marginally warm waters a few hundred miles south or south-southwest
    of the Azores by the end of the weekend. The cyclone could
    subsequently redevelop tropical characteristics late this weekend or
    early next week while it moves little.
    * Formation chance through 48 hours...low...10 percent.
    * Formation chance through 5 days...low...20 percent.

    4. Another tropical wave is forecast to move off the west coast of
    Africa by early Saturday. Some gradual development of the system
    will be possible thereafter while it moves generally
    west-northwestward over the far eastern Atlantic.
    * Formation chance through 48 hours...low...near 0 percent.
    * Formation chance through 5 days...low...20 percent.

    Public Advisories on Tropical Depression Twenty-Two are issued
    under WMO header WTNT32 KNHC and under AWIPS header MIATCPAT2.
    Forecast/Advisories on Tropical Depression Twenty-Two are issued
    under WMO header WTNT22 KNHC and under AWIPS header MIATCMAT2.

    Products issued by the Portuguese Institute for the Sea and the
    Atmosphere (IPMA) are available on the web at https://www.ipma.pt.

    High Seas Forecasts issued by Meteo France can be found under WMO
    header FQNT50 LFPW and available on the web at
    www.meteofrance.com/previsions-meteo-marine/bulletin/grandlarge/
    metarea2

    Forecaster Zelinsky


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