• MESO: Mesoscale Discussion 0005

    From COD Weather Processor@1:2320/105 to wx-storm@lists.illinois.edu on Sat Jan 6 15:52:17 2024
    ACUS11 KWNS 061551
    SWOMCD
    SPC MCD 061551=20
    FLZ000-061715-

    Mesoscale Discussion 0005
    NWS Storm Prediction Center Norman OK
    0951 AM CST Sat Jan 06 2024

    Areas affected...Parts of central/south FL

    Concerning...Severe potential...Watch possible=20

    Valid 061551Z - 061715Z

    Probability of Watch Issuance...40 percent

    SUMMARY...Some threat for a couple tornadoes and locally damaging
    wind may develop from late morning into early afternoon.

    DISCUSSION...At 1545 UTC, organized convection is approaching parts
    of the central/southern FL Gulf Coast from the Gulf of Mexico.
    Morning observed soundings from KTBW and KMFL depicted only very
    weak buoyancy, and substantial cloudiness and precipitation in
    advance of the stronger storms will continue to limit
    destabilization across much of the peninsula. However, some modest heating/destabilization will be possible to the south of the more
    extensive precipitation, where temperatures are currently rising
    into the mid 70s F.=20

    Wind profiles (as noted on the TBW sounding and preconvective VWPs
    from KTBW) remain quite favorable for organized convection, with
    enlarged low-level hodographs (0-1 km SRH of 200-400 m2/s2)
    supporting a conditional tornado threat if any supercells and/or
    line-embedded mesovortices can be sustained inland later this
    morning into the early afternoon.=20

    Later this afternoon, low-level flow will begin to veer and weaken
    as the primary midlevel shortwave trough and surface low move
    quickly northeastward away from the region. However, there may be a
    period of time late this morning into the early afternoon where
    organized convection will pose a threat of a couple tornadoes and
    locally damaging wind. Watch issuance is possible depending on
    short-term trends regarding destabilization and storm organization.

    ..Dean/Hart.. 01/06/2024

    ...Please see https://urldefense.com/v3/__http://www.spc.noaa.gov__;!!DZ3fj= g!-CYGzyS_6ouG9RXAOchxzGz1y2eeC8DkkFlJZPCqjeZ4jxT6QTvtTS2peQVlLWJyLk3jb389U= 24Prc6i6QeZvJBanDo$ for graphic product...

    ATTN...WFO...MFL...MLB...TBW...

    LAT...LON 27388248 27838228 27728099 27128048 26418052 26028075
    25928095 25878135 26048197 26338224 26478236 26618254
    26938255 27388248=20


    =3D =3D =3D
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