• STRMDISC: Tropical Depression Two Discussion Number 3

    From COD Weather Processor @1:2320/107 to All on Mon Jul 20 02:46:10 2026
    934
    WTNT42 KNHC 200245
    TCDAT2

    Tropical Depression Two Discussion Number 3
    NWS National Hurricane Center Miami FL AL022026
    1000 PM CDT Sun Jul 19 2026

    The depression is producing a small area of deep convection near
    and north of the apparent center, with other modest bands mostly in
    the eastern semicircle. Since the various satellite intensity
    estimates are unchanged and the nearby surface observations haven't
    reported much more than 20 kt, the initial intensity will remain
    25 kt for this advisory. This is also consistent with a
    just-received partial scatterometer pass.

    The system is drifting to the north-northwest, caught in light
    steering between a ridge over the western Atlantic and one over the south-central United States. Most of the guidance suggests that
    this slow motion, with some turn to the west-northwest, will
    continue early this week, and the cyclone's outer bands could bring
    tropical storm conditions to portions of the Florida Panhandle
    beginning late Monday. A turn to the west and an increase in
    forward speed are forecast late on Tuesday as the ridge over the
    U.S. builds eastward, causing the system to move along or just
    offshore of the northwestern Gulf coast during the middle and latter
    portions of the week. The track has been shifted a bit to the north
    in the short-term, blending back with the previous forecast on day
    2, then a bit to the south at long-term. This is consistent with
    the latest model consensus and Google DeepMind solutions.

    Only slow strengthening of the system is expected due to its broad
    structure, pockets of mid-level dry air, and northeasterly vertical
    wind shear, despite very warm waters. The cyclone is still
    forecast to become a tropical storm on Monday when it is offshore of
    the Florida Panhandle. An increase in shear is expected by
    Tuesday, which could cause the intensity to flat line, along with
    some land interaction. This is a challenging forecast because of
    the expected moderate shear conditions, which are known to result
    in less predictable outcomes. For instance, reliable models are
    spread from near dissipation by the ECMWF/HAFS guidance but near hurricane-strength in the latest HWRF/HMON runs. The NHC forecast
    continues to lie between those solutions, but it should be mentioned
    that I don't have much confidence in this prediction given the above
    factors.


    Key Messages:

    1. The depression is expected to gradually strengthen and
    could bring tropical storm conditions to portions of the Florida
    Panhandle beginning late Monday, where a Tropical Storm Watch is in
    effect.

    2. Interests in Alabama, Mississippi, Louisiana, and Texas should
    monitor the progress of this system, as watches could be required
    for portions of that area over the next day or two.

    3. Areas of flash flooding will be possible through Thursday along
    the eastern and central Gulf Coast from western Florida to southern
    portions of Alabama, Mississippi, and Louisiana.


    FORECAST POSITIONS AND MAX WINDS

    INIT 20/0300Z 28.0N 85.1W 25 KT 30 MPH
    12H 20/1200Z 28.3N 85.3W 30 KT 35 MPH
    24H 21/0000Z 28.6N 85.7W 35 KT 40 MPH
    36H 21/1200Z 28.8N 86.2W 40 KT 45 MPH
    48H 22/0000Z 29.1N 87.0W 40 KT 45 MPH
    60H 22/1200Z 29.3N 88.1W 45 KT 50 MPH
    72H 23/0000Z 29.2N 89.6W 45 KT 50 MPH
    96H 24/0000Z 29.0N 93.5W 50 KT 60 MPH
    120H 25/0000Z 28.8N 97.8W 30 KT 35 MPH...INLAND

    $$
    Forecaster Blake


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    --- scorpsmtpd
    * Origin: capitolcityonline.net * KY, USA (1:2320/107)