• STRMDISC: Tropical Depression Two Discussion Number 2

    From COD Weather Processor@1:2320/105 to wx-atlan@lists.illinois.edu on Sunday, June 29, 2025 02:33:15
    554
    WTNT42 KNHC 290232
    TCDAT2

    Tropical Depression Two Discussion Number 2
    NWS National Hurricane Center Miami FL AL022025
    1000 PM CDT Sat Jun 28 2025

    Tropical Depression Two is poorly organized at this time. During
    the latter part of the Hurricane Hunter Mission this afternoon, the
    aircraft was unable to close off the circulation. Since that time,
    conventional satellite imagery and 2235 UTC SSM/IS overpass show
    little change in organization, although surface observations
    suggest the circulation is still closed. The initial intensity is
    held at 25 kt in agreement with current satellite intensity
    estimates.

    The initial motion is a somewhat uncertain 295/7. The subtropical
    ridge to the east and northeast of the cyclone should steer the
    system generally west-northwestward for the next couple of days,
    bringing the center to the eastern coast of Mexico near the 24 h
    point. There is little change in either the track guidance or the
    track forecast since the last advisory. It should be noted that
    some erratic motion could occur as the circulation interacts with
    the coast of Mexico.

    The cyclone is experiencing 20-25 kt of southwesterly vertical
    shear. However, the upper-level winds are divergent, which should
    allow the system to produce significant convection. It is expected
    that this convection will lead to a little strengthening despite
    the shear, and based on this the depression is forecast to become a
    tropical storm near the time of landfall. After landfall, the
    cyclone is expected to rapidly weaken over eastern Mexico.

    Given the forecast for the depression to become a tropical storm
    before landfall, a Tropical Storm Warning is in effect for a
    portion of their eastern Gulf coastline of Mexico.

    Key Messages:

    1. Tropical storm conditions are expected on Sunday for portions of
    the Gulf coast of Mexico where a Tropical Storm Warning is in
    effect.

    2. Tropical Depression Two will produce heavy rainfall across
    portions of northeastern Mexico. Life-threatening flooding and
    mudslides, especially in areas of steep terrain, are possible.


    FORECAST POSITIONS AND MAX WINDS

    INIT 29/0300Z 19.7N 95.1W 25 KT 30 MPH
    12H 29/1200Z 20.3N 96.0W 30 KT 35 MPH
    24H 30/0000Z 21.3N 97.3W 35 KT 40 MPH
    36H 30/1200Z 22.1N 98.8W 25 KT 30 MPH...INLAND
    48H 01/0000Z...DISSIPATED

    $$
    Forecaster Beven


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