• MESO: Mesoscale Discussion 1401

    From COD Weather Processor@1:2320/105 to wx-storm@lists.illinois.edu on Saturday, September 01, 2018 07:30:45
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    ACUS11 KWNS 010730
    SWOMCD
    SPC MCD 010730
    NEZ000-010900-

    Mesoscale Discussion 1401
    NWS Storm Prediction Center Norman OK
    0230 AM CDT Sat Sep 01 2018

    Areas affected...Central/Eastern NE

    Concerning...Severe potential...Watch unlikely

    Valid 010730Z - 010900Z

    Probability of Watch Issuance...5 percent

    SUMMARY...Localized severe wind threat continues ahead of
    northeastward-moving cluster moving into eastern NE.

    DISCUSSION...Severe wind gusts have recently been noted at the KGRI
    and KHSI ASOS sites associated with a small, northeastward-moving
    thunderstorm cluster. While the convection with this cluster remains
    relatively disorganized, a strong surface response has been noted,
    with 2-hour pressure rises in excess of 4 mb in the wake of the
    system. 07Z surface analysis indicates a relative theta-e maximum
    immediately downstream of this system, in the vicinity of a weak
    surface boundary, where new convection has recently been noted.
    While the system is not expected to be very long-lived, the threat
    for localized severe wind gusts may continue for the next 1-2 hours
    as this small cluster approaches east-central/northeast NE. Watch
    issuance is not expected due to the short-term nature of the threat.

    ..Dean/Edwards.. 09/01/2018

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

    ATTN...WFO...OAX...GID...

    LAT...LON 41139831 41609810 41799760 41849697 41569653 41109670
    40979708 40879756 40779799 40869826 41139831



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