• MESO: Mesoscale Discussion 0619

    From COD Weather Processor@1:2320/105 to wx-storm@lists.illinois.edu on Saturday, June 02, 2018 01:26:16
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    ACUS11 KWNS 020126
    SWOMCD
    SPC MCD 020125
    NDZ000-020230-

    Mesoscale Discussion 0619
    NWS Storm Prediction Center Norman OK
    0825 PM CDT Fri Jun 01 2018

    Areas affected...Portions of central ND

    Concerning...Tornado Watch 146...

    Valid 020125Z - 020230Z

    The severe weather threat for Tornado Watch 146 continues.

    SUMMARY...Overall severe threat in and near WW 146 should continue
    to decrease over the next hour or two. But, a low tornado risk
    should persist in the short term, mainly across south-central ND.

    DISCUSSION...Recent radar trends show the line of convection that
    developed earlier this evening across western ND has gradually
    weakened. Diurnal cooling has commenced and the low-level airmass
    becomes less unstable across central/eastern ND per 01Z RAP
    mesoanalysis. Still, a relatively more unstable airmass persists
    across south-central ND, and a large hail/damaging wind threat may
    continue for the next hour or two across this area. An isolated
    tornado also remains possible across mainly the southern portions of
    WW 146 in the short term given the maintenance of strong low-level
    shear. The overall severe threat across central ND should continue
    to diminish into the late evening as the thermodynamic environment
    becomes increasingly hostile to robust convection.

    ..Gleason.. 06/02/2018

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

    ATTN...WFO...FGF...BIS...

    LAT...LON 47790162 48390248 49010236 48789971 48389931 46009876
    45970019 46850047 47790162



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  • From COD Weather Processor@1:2320/105 to wx-storm@lists.illinois.edu on Saturday, June 02, 2018 01:30:48
    This is a multi-part message in MIME format...

    ------------=_1527903054-1857-8564
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    ACUS11 KWNS 020130
    SWOMCD
    SPC MCD 020130 COR
    NDZ000-020230-

    Mesoscale Discussion 0619
    NWS Storm Prediction Center Norman OK
    0830 PM CDT Fri Jun 01 2018

    Areas affected...Portions of central ND

    Concerning...Tornado Watch 146...

    Valid 020130Z - 020230Z

    CORRECTED FOR TEXT BOX GRAPHIC

    The severe weather threat for Tornado Watch 146 continues.

    SUMMARY...Overall severe threat in and near WW 146 should continue
    to decrease over the next hour or two. But, a low tornado risk
    should persist in the short term, mainly across south-central ND.

    DISCUSSION...Recent radar trends show the line of convection that
    developed earlier this evening across western ND has gradually
    weakened. Diurnal cooling has commenced and the low-level airmass
    becomes less unstable across central/eastern ND per 01Z RAP
    mesoanalysis. Still, a relatively more unstable airmass persists
    across south-central ND, and a large hail/damaging wind threat may
    continue for the next hour or two across this area. An isolated
    tornado also remains possible across mainly the southern portions of
    WW 146 in the short term given the maintenance of strong low-level
    shear. The overall severe threat across central ND should continue
    to diminish into the late evening as the thermodynamic environment
    becomes increasingly hostile to robust convection.

    ..Gleason.. 06/02/2018

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

    ATTN...WFO...FGF...BIS...

    LAT...LON 47790162 48390248 49010236 48789971 48389931 46009876
    45970019 46850047 47790162



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