• MESO: Mesoscale Discussion 1447

    From COD Weather Processor@1:2320/105 to wx-storm@lists.illinois.edu on Friday, September 14, 2018 04:56:39
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    ACUS11 KWNS 140456
    SWOMCD
    SPC MCD 140456
    NCZ000-140730-

    Mesoscale Discussion 1447
    NWS Storm Prediction Center Norman OK
    1156 PM CDT Thu Sep 13 2018

    Areas affected...Eastern NC

    Concerning...Tornado Watch 372...

    Valid 140456Z - 140730Z

    The severe weather threat for Tornado Watch 372 continues.

    SUMMARY...The potential for transient supercells producing a brief
    tornado risk persists across a part of eastern North Carolina,
    including the Outer Banks, as Hurricane Florence maintains a general
    westward movement toward the coast.

    DISCUSSION...Trends in mosaic radar imagery indicated periodic
    increases in low-level shear couplets and short lines of shear
    embedded within mid-outer rain bands as they translate northwest
    through west between KMHX and KHSE. The environment remains very
    moist with surface dew points in the mid-upper 70s and precipitable
    water of 2.64 inches on the 00Z MHX sounding. This combined with
    the very strong low-level shear (MHX VAD modified with KNKT surface
    wind resulting in 59 kt of sfc-1 km shear and 900 m2/s2 of 0-1 km
    SRH) attendant to the hurricane will continue to support the threat
    for a brief tornado threat overnight.

    ..Peters.. 09/14/2018

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

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

    LAT...LON 34217727 34767823 35187808 35987724 36017565 35767516
    34937531 34547613 34237642 34217727



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