|Mesoscale Discussion 353|
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Mesoscale Discussion 0353
NWS Storm Prediction Center Norman OK
0621 PM CDT Sun Apr 14 2019
Areas affected...Western Pennsylvania and far southwest New York
Concerning...Tornado Watch 69...
Valid 142321Z - 150015Z
The severe weather threat for Tornado Watch 69 continues.
SUMMARY...The severe threat continues across tornado watch. The
highest severe weather potential is across northern Pennsylvania and
far southwest New York.
DISCUSSION...A squall line has now become well developed in western
Pennsylvania and is starting to accelerate eastward. This line of
storms will pose a threat for damaging winds as it moves east.
Isolated embedded mesovorticies are possible in the line, but the
low-level shear vector remains mostly parallel to the line which
should tamper a more widespread threat. The highest tornado
potential will be along and near the warm front in northern
Pennsylvania and southern New York. Currently, the strongest storm
in the band is located along the warm front and is showing at least
broad rotation. This storm and any that develop near it will likely
pose the greatest tornado threat for the next few hours.
...Please see www.spc.noaa.gov for graphic product...
LAT...LON 42118034 42407948 42807876 42857790 42637748 41777701
40887725 40487860 40407978 40338050 40388102 42118034
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