ACUS11 KWNS 292239
SWOMCD
SPC MCD 292238=20
NJZ000-NYZ000-PAZ000-DEZ000-MDZ000-300015-
Mesoscale Discussion 1481
NWS Storm Prediction Center Norman OK
0538 PM CDT Sat Jun 29 2024
Areas affected...Southeast PA...NJ...far northern MD/DE
Concerning...Severe Thunderstorm Watch 484...
Valid 292238Z - 300015Z
The severe weather threat for Severe Thunderstorm Watch 484
continues.
SUMMARY...Strong to localized severe wind gusts from 50-65 mph will
remain possible, mainly focused across southeast Pennsylvania and
adjacent states. How far downstream this extends east of the
Delaware Valley is uncertain, with forecast expectation of weakening
farther east into New Jersey.
DISCUSSION...A surging accelerated portion of a short-line segment
has bowed across a part of east-central to southeast Pennsylvania.
Its current eastward track will result in movement into a more
weakly unstable air mass. But given its organization, a damaging
wind threat will probably spread east of WW 484 into NJ before
diminishing. Meanwhile, supercell structure exists within the
tail-end robust updraft in south-central PA. With a plume of low 90s
surface temperatures emanating north over central MD, it is
plausible the lagging portion of the convective line may undergo a
similar acceleration and bowing surge. This could potentially impact
parts of far northern MD/DE, adjacent to WWs 482/484.
..Grams.. 06/29/2024
...Please see
https://urldefense.com/v3/__http://www.spc.noaa.gov__;!!DZ3fj= g!852JWIXqEDpS6LjK9qFhEDoje5H3xB_rGhoII8kylSTS_6xnOhb_78v5a0dc3y4W_b_KKRaRC= xckfuYa8zYLQnNvoeg$ for graphic product...
ATTN...WFO...OKX...PHI...CTP...LWX...
LAT...LON 40767627 40817526 40707448 40637413 40057407 39677546
39507641 39647702 40067726 40767627=20
=3D =3D =3D
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