• MESO: Mesoscale Discussion 1448

    From COD Weather Processor@1:2320/105 to wx-storm@lists.illinois.edu on Friday, September 14, 2018 10:03:42
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    ACUS11 KWNS 141003
    SWOMCD
    SPC MCD 141002
    NCZ000-141130-

    Mesoscale Discussion 1448
    NWS Storm Prediction Center Norman OK
    0502 AM CDT Fri Sep 14 2018

    Areas affected...Eastern NC

    Concerning...Tornado Watch 372...

    Valid 141002Z - 141130Z

    The severe weather threat for Tornado Watch 372 continues.

    SUMMARY...Tornado threat will persist for the next several hours
    across eastern NC. Some increase in the tornado potential may occur
    later this morning and an additional Tornado Watch is being
    considered.

    DISCUSSION...Hurricane Florence continues to slowly track westward
    towards the southern NC coast. The center of the system is currently
    about 20 miles east of ILM with rain bands extending about 100 miles
    outward from the center along its northern, eastern, and southern
    periphery. Radar imagery reveals that the convective intensity
    within these rain bands has been relatively minimal. The absence of
    any lightning also confirms the lack of somewhat stronger updrafts.
    This is likely a result of displacement between the better
    instability (across northeast NC) and the rain bands (across central
    and southeast NC). Even so, sporadic bursts of enhanced convective
    intensity have resulted in a few briefly rotating storms. This
    general trend is expected to persist for at least the next several
    hours.

    An increase in the tornado potential is expected later this morning
    as low-level wind fields remain strong and the possibility for
    greater instability increases with diurnal heating. This is
    especially true within any cloud breaks that may develop. As such,
    the persisting tornado threat will likely merit the need for an
    additional Tornado Watch once Tornado Watch 372 expires at 11Z.

    ..Mosier/Edwards.. 09/14/2018

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

    ATTN...WFO...AKQ...MHX...RAH...ILM...

    LAT...LON 34187825 34757823 35667751 36107638 35757498 34327595
    33947734 34187825



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