East Pacific Hurricane set to hit Gulf of Alaska

Discussion in 'Tropical forum' started by Ashwin D, Apr 4, 2017.

  1. Ashwin D

    Ashwin D Guest

    There has been a strong negative velocity potential(divergent irrotational part of the total wind field) in the North Pacific in the last one week -

    http://www.cpc.ncep.noaa.gov/products/Global_Monsoons/Figures/curr.vpt.7day.figb.gif

    and it looks like it has spawned off a East Pacific Hurricane.

    http://www.opc.ncep.noaa.gov/P_sfc_full_ocean_color.png

    The Low(967 hPA) is centered around 50 N and 140 W and NWS expects it to move into the Gulf Of Alasks.

    The Northern Pacific region has had a strong negative OLR anomaly for the past one week.

    https://www.esrl.noaa.gov/psd/map/images/olr/olr.anom.7day.gif
     
  2. Ashwin D

    Ashwin D Guest

  3. Paul Knightley

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    I see an extratropical cyclone but certainly not a hurricane - are you just referring to it being a powerful storm with that naming?
     
  4. Ashwin D

    Ashwin D Guest

    You are right it is an extratropical cyclone but with hurricane like winds. When the warning was issued the speed was 64 knots same threshold as a hurricane.

    Paul - if this post needs to be moved to another forum and not tropical please go ahead and do it. I did not see a category for extratropical cyclone
     
    #4 Ashwin D, Apr 5, 2017
    Last edited by a moderator: Apr 5, 2017

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