• MESO: Mesoscale Discussion 0033

    From COD Weather Processor@1:2320/105 to wx-storm@lists.illinois.edu on Tue Jan 9 18:16:42 2024
    ACUS11 KWNS 091816
    SWOMCD
    SPC MCD 091816=20
    GAZ000-FLZ000-091945-

    Mesoscale Discussion 0033
    NWS Storm Prediction Center Norman OK
    1216 PM CST Tue Jan 09 2024

    Areas affected...Portions of north FL and coastal/southeast GA

    Concerning...Tornado Watch 4...5...

    Valid 091816Z - 091945Z

    The severe weather threat for Tornado Watch 4, 5 continues.

    SUMMARY...A tornado threat continues with small cells embedded
    within a line of thunderstorms moving quickly eastward.
    Severe/damaging winds also remain a concern.

    DISCUSSION...The line of thunderstorms across southeast GA has
    become a bit more broken recently, with a couple small cells noted.
    Extremely strong low-level shear remains present along/downstream of
    this activity across north FL and coastal/southeast GA, with recent
    VWPs from KJAX showing around 50 kt of 0-1 km shear, and effective
    SRH in excess of 500 m2/s2. Low-level rotation has been noted with
    these small cells, and a tornado threat remains apparent given the
    very favorable kinematic environment. With some modest daytime
    heating also occurring (surface temperatures generally reaching into
    the low to mid 70s), steepening low-level lapse rates should promote
    efficient downward momentum transfer of the very strong flow just
    off the surface. Severe/damaging downdraft winds will remain a
    concern with the more linear structures as the overall line advances
    quickly eastward through the afternoon.

    ..Gleason.. 01/09/2024

    ...Please see https://urldefense.com/v3/__http://www.spc.noaa.gov__;!!DZ3fj= g!-PN79-wIzDSfNTis_OEL0eVTtUajlwrEFI4k7E-R26uGwS5i7Lj7aAYnKbfI2FpYT1CekFcle= DqrIhwIi0Rk5zZPvUQ$ for graphic product...

    ATTN...WFO...CHS...JAX...FFC...TAE...

    LAT...LON 29898334 30918299 32518231 32618172 31878108 31138134
    29618180 29898334=20


    =3D =3D =3D
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