• MESO: Mesoscale Discussion 0200

    From COD Weather Processor@1:2320/105 to wx-storm@lists.illinois.edu on Thursday, March 14, 2019 08:37:39
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    ACUS11 KWNS 140737
    SWOMCD
    SPC MCD 140737
    INZ000-KYZ000-TNZ000-ILZ000-140900-

    Mesoscale Discussion 0200
    NWS Storm Prediction Center Norman OK
    0237 AM CDT Thu Mar 14 2019

    Areas affected...Far Southern IN...Western KY...Far Northwest TN

    Concerning...Severe potential...Watch unlikely

    Valid 140737Z - 140900Z

    Probability of Watch Issuance...5 percent

    SUMMARY...A few isolated damaging wind gusts are possible across far
    southern IN, western KY, and far northwest TN during the next hour
    or two.

    DISCUSSION...Predominately shallow convection ongoing across western
    KY and far northwest TN has shown some intensification over the past
    hour or so. Given that the overall thermodynamic environment has
    shown little improvement over the past few hours, this
    intensification is likely a result of stronger forcing for ascent
    and increased vertical shear associated with the approaching cyclone
    and strengthening mid-level flow.

    Regional radar imagery reveals a striated linear structure, with
    several elongated bands of higher reflectivity. Forecast soundings
    suggest this activity is elevated above a shallow stable layer and
    the general expectation is for this activity to have little notable
    impact at the surface. However, storm interactions may briefly
    result in strong enough downdrafts to penetrate the stable
    low-levels, resulting in isolated gusts at the surface. Coverage of
    any damaging wind gusts is expected to be very isolated. Duration is
    also expected to be limited, as the downstream, low-level air mass
    across central KY and south-central IN becomes increasingly more
    stable.

    ..Mosier/Bunting.. 03/14/2019

    ...Please see www.spc.noaa.gov for graphic product...

    ATTN...WFO...LMK...OHX...IND...PAH...ILX...MEG...

    LAT...LON 36358925 36748901 37588820 38458777 38698760 38738746
    38688710 38448682 37538673 36488741 36158884 36358925



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