• MESO: Mesoscale Discussion 1484

    From COD Weather Processor@1:2320/105 to wx-storm@lists.illinois.edu on Wed Aug 11 19:48:35 2021
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    ACUS11 KWNS 111948
    SWOMCD
    SPC MCD 111947=20
    MDZ000-VAZ000-PAZ000-DCZ000-WVZ000-112115-

    Mesoscale Discussion 1484
    NWS Storm Prediction Center Norman OK
    0247 PM CDT Wed Aug 11 2021

    Areas affected...Portions of Virginia and Maryland

    Concerning...Severe Thunderstorm Watch 425...

    Valid 111947Z - 112115Z

    The severe weather threat for Severe Thunderstorm Watch 425
    continues.

    SUMMARY...An isolated damaging wind gust threat continues across
    portions of Virginia and Maryland.

    DISCUSSION...A broken line of storms has moved off of the higher
    terrain and is moving toward the I-95 corridor. Thus far damaging
    wind reports have been isolated and sporadic. However, storms have
    been in weaker instability and are now moving into a region with low
    70s dewpoints and 2000+ J/kg MLCAPE. Therefore, expect additional
    storm development and the potential for clustering which could bring
    a more concentrated severe wind threat. Otherwise, pulse type
    updraft-downdraft pairs should continue to produce isolated wind
    damage.

    ..Bentley.. 08/11/2021

    ...Please see https://urldefense.com/v3/__http://www.spc.noaa.gov__;!!DZ3fj= g!oeZzB_63xoRUcAoTEN1fqj-vBK6Oyfetl8J1ROVOwXVBTxJnRsn6PwcaMeRXv_4NW2RPPzuA$=
    for graphic product...

    ATTN...WFO...PHI...AKQ...CTP...LWX...RNK...

    LAT...LON 39467772 39747702 39697586 38087641 37257711 37017777
    36577851 36567995 37077979 38467846 39467772=20



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