Subj : MESO: Mesoscale Discussion 0497
To   : wx-storm@lists.illinois.edu
From : COD Weather Processor
Date : Thu Apr 06 2023 22:09:26

ACUS11 KWNS 062209
SWOMCD
SPC MCD 062208=20
NJZ000-MDZ000-DEZ000-VAZ000-DCZ000-NCZ000-070015-

Mesoscale Discussion 0497
NWS Storm Prediction Center Norman OK
0508 PM CDT Thu Apr 06 2023

Areas affected...Middle Atlantic

Concerning...Severe Thunderstorm Watch 131...

Valid 062208Z - 070015Z

The severe weather threat for Severe Thunderstorm Watch 131
continues.

SUMMARY...Hail and wind threat continues with supercells this
evening.

DISCUSSION...Short-wave trough currently moving across the Great
Lakes is suppressing the height field over the Middle Atlantic
region. This will prove favorable for the surface front to advance
southeast across ww131 toward the VA/NC border by 06z. Air mass has
warmed considerably ahead of the front and a fair number of
supercells have evolved, extending from the southwest corner into
the Delmarva. MRMS MESH data suggests most of these updrafts are
producing hail with hail in excess of one inch in the strongest
cores. This activity should propagate northeast this evening,
eventually spreading off the Atlantic Coast prior to frontal
passage.

...Darrow.. 04/06/2023

....Please see https://urldefense.com/v3/__http://www.spc.noaa.gov__;!!DZ3fj=
g!5Tdil5pvhozXzwZuIMj2uG7B9eS8aNktASqdKdjwvoOw7k-mxWIefulRZ5tGx23Xy9gvTjpcM=
f0FK2lXyeLO5Qi-hGs$  for graphic product...

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

LAT...LON   36548023 39697641 39687343 36537735 36548023=20


=3D =3D =3D
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