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Tropical Tropical Depression Eleven

Discussion in 'Tropical Weather' started by stormcentral, Sep 19, 2018.

  1. stormcentral

    stormcentral Storm Central Wx Member

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    NOAA NHC desinated Invest97L
     
  2. stormcentral

    stormcentral Storm Central Wx Member

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    97L_tracks_00z.png
    00Z models take it through islands.
     
  3. stormcentral

    stormcentral Storm Central Wx Member

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    Intense convection blowup
    goes16_ir_97L_201809200150.jpg
     
  4. ForsythSnow

    ForsythSnow Moderator

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    Seems decently organized for a 20% area. Might just be that because the low is broad.
     
  5. metwannabe

    metwannabe Staff Member Moderator Supporter

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    Agreed it does look decent...
     
  6. stormcentral

    stormcentral Storm Central Wx Member

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  7. stormcentral

    stormcentral Storm Central Wx Member

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    98L_tracks_00z.png
    Noaa classify INVEST98L
     
  8. GaWx

    GaWx Supporter Member

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    stormcentral likes this.
  9. Webberweather53

    Webberweather53 Meteorologist

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    97L has already been a tropical depression for a day at least, the NHC is being lazy and assumed it would go away but obviously it must have had a strong LLC last night because it's been naked for almost the entire day and is still continuously firing convection to its east (due to strong westerly shear) while low-level westerlies are obvious from the low-level cloud field.
     
  10. ForsythSnow

    ForsythSnow Moderator

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    I was thinking that earlier. Isaac looked about the same, and it's evident there is an organized tight LLC.

    Now the NHC issued a special update, but it's contradictory in terms of words and percent.

    Updated: Shower and thunderstorm activity associated with a
    well-defined low pressure system located about 500 miles east of the
    Windward Islands has become better organized over the past few
    hours, and a tropical depression could form later tonight or
    Saturday. Strong upper-level winds and dry air are likely to
    prevent additional development of this system by late this weekend
    while it moves west-northwestward to northwestward at around 10 mph.
    * Formation chance through 48 hours...medium...40 percent.
    * Formation chance through 5 days...medium...40 percent.
     
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  11. Webberweather53

    Webberweather53 Meteorologist

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    Yeah this should be a tropical depression.
    Screen Shot 2018-09-21 at 6.27.55 PM.png
     
  12. Webberweather53

    Webberweather53 Meteorologist

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    NHC finally caved and pulled the trigger, 97L has become Tropical Depression Eleven.
     
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  13. Brent

    Brent Member

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    what a lively forecast lol, dead in 2 days
     
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  14. Webberweather53

    Webberweather53 Meteorologist

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    I know this won't do a whole lot in the long run but ffs call this for what it actually is/has been for nearly 24 hours... It's better late than never I guess.
     
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