• MESO: Mesoscale Discussion 1674

    From COD Weather Processor@1:2320/105 to wx-storm@lists.illinois.edu on Wed Sep 1 22:35:02 2021
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    ACUS11 KWNS 012234
    SPC MCD 012234=20

    Mesoscale Discussion 1674
    NWS Storm Prediction Center Norman OK
    0534 PM CDT Wed Sep 01 2021

    Areas affected...Far eastern Pennsylvania and New Jersey

    Concerning...Tornado Watch 483...

    Valid 012234Z - 012330Z

    The severe weather threat for Tornado Watch 483 continues.

    SUMMARY...Confirmed tornadoes have occurred both north and south of Philadelphia. The environment will continue to support tornadic
    potential, particularly for areas in southern/central New Jersey.

    DISCUSSION...Supercells moving northeast along the slowly northward
    advancing warm front have recently produced tornadoes as confirmed
    by TDS signatures from KDIX. The northern storm is now moving
    Somerset County, NJ, with the southern storm moving through
    Camden/Burlington Counties (NJ). Given objectively analyzed 0-1 km
    effective SRH over 200 m2/s2 (confirmed by KDIX VWP), supercells
    that can maintain strength are expected to continue posing a threat
    for tornadoes. At present, the Camden/Burlington storm is moving
    within an airmass unaffected by much precipitation and should have
    the greatest tornado potential for the next 1-2 hours.

    ..Wendt.. 09/01/2021

    ...Please see https://urldefense.com/v3/__http://www.spc.noaa.gov__;!!DZ3fj= g!p1o91nrFVepJetE1LyLAJC4eoYo15pI45yLOSiz4BHKfhsvGMfRTkeKwjCEnNs3VbxN3U2fd$=
    for graphic product...


    LAT...LON 40337510 40597488 40837382 40557342 39987385 39797453
    39677505 39717529 39937532 40337510=20

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