Subj : MESO: Mesoscale Discussion 0643
To   : wx-storm@lists.illinois.edu
From : COD Weather Processor
Date : Thu Apr 27 2023 23:53:12

ACUS11 KWNS 272353
SWOMCD
SPC MCD 272352=20
FLZ000-280145-

Mesoscale Discussion 0643
NWS Storm Prediction Center Norman OK
0652 PM CDT Thu Apr 27 2023

Areas affected...east central Florida coastal areas

Concerning...Severe Thunderstorm Watch 175...

Valid 272352Z - 280145Z

The severe weather threat for Severe Thunderstorm Watch 175
continues.

SUMMARY...The risk for severe weather may begin to diminish
near/north of Melbourne, but might still increase a bit south of
Melbourne into the Vero Beach vicinity through 9-10 PM EDT.  It does
not appear that a new severe weather watch will be needed, however.

DISCUSSION...Attempts at sustained, intensifying thunderstorm
development persist where boundary-layer instability and low-level
convergence remain maximized over the interior peninsula, north of
Lake Okeechobee toward the Melbourne vicinity.  At the same time, a
few lingering supercells with occasionally intensifying low-level
mesocyclones have recently been focused near and north of the Cape
Canaveral vicinity, where low-level shear is maximized, aided by
south-southeasterly boundary-layer flow along coastal areas.=20
Similar intensification of the storms initiating to the
north-northeast of Lake Okeechobee may still be possible along
coastal areas near/north of Vero Beach through 01-02Z.  Otherwise,
coastal convection to north seems likely to progress offshore with
forcing accompanying a weak mid-level perturbation.

...Kerr.. 04/27/2023

....Please see https://urldefense.com/v3/__http://www.spc.noaa.gov__;!!DZ3fj=
g!_F3Izz1V4w3AtkZNrJibFdFv-Q_lJACKMWi1pTEJSrl3TCB4u06fEtYmUZ4UtfwZm6YWh9FxS=
GFSz-ovDmm6SDibzYc$  for graphic product...

ATTN...WFO...MFL...MLB...

LAT...LON   28728084 28848043 28668017 28418012 27938013 27277999
            26848013 26718050 27158054 27768051 28178068 28728084=20


=3D =3D =3D
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