Subj : DAY3SVR: Nws Storm Prediction Center Norman Ok
To   : wx-storm@lists.illinois.edu
From : COD Weather Processor
Date : Thu May 29 2025 07:23:37

ACUS03 KWNS 290721
SWODY3
SPC AC 290719

Day 3 Convective Outlook
NWS Storm Prediction Center Norman OK
0219 AM CDT Thu May 29 2025

Valid 311200Z - 011200Z

....THERE IS A MARGINAL RISK OF SEVERE THUNDERSTORMS FROM PARTS OF
NORTH CAROLINA NORTHWARD INTO THE MID-ATLANTIC...AND IN THE RIO
GRANDE VALLEY...

....SUMMARY...
Isolated severe storms with marginally severe gusts and hail will be
possible on Saturday from parts of North Carolina northward into the
Mid-Atlantic, and across parts of the Rio Grande Valley.

....North Carolina/Virginia/Mid-Atlantic...
A mid-level trough will remain over the eastern U.S. on Saturday. At
the surface, a trough will be in place within a post-frontal airmass
across the Atlantic Coastal states. In spite of dry advection,
low-level moisture should be sufficient for weak destabilization by
midday from North Carolina northward into the Mid-Atlantic.
Scattered thunderstorm development will be likely just ahead of the
mid-level trough during the early afternoon. Cold air aloft and
steep low-level lapse rates could be enough for a marginal hail and
wind-damage threat.

....Rio Grande Valley...
Northwest mid-level flow will be in place on Saturday across the Rio
Grande Valley. At the surface, an axis of low-level moisture is
forecast from south Texas northwestward along and near the Rio
Grande River. Although large-scale ascent will be weak, isolated
thunderstorms could develop as surface temperatures peak in the
afternoon. Steep low-level lapse rates and sufficient deep-layer
shear could be enough for marginally severe gusts and hail.

...Broyles.. 05/29/2025

$$

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