Subj : DAY2SVR: Nws Storm Prediction Center Norman Ok
To   : wx-storm@lists.illinois.edu
From : COD Weather Processor
Date : Sat Mar 09 2024 17:02:01

ACUS02 KWNS 091701
SWODY2
SPC AC 091700

Day 2 Convective Outlook
NWS Storm Prediction Center Norman OK
1100 AM CST Sat Mar 09 2024

Valid 101200Z - 111200Z

....NO SEVERE THUNDERSTORM AREAS FORECAST...

....SUMMARY...
Severe storms are not expected on Sunday.

....Synopsis...
Amplifying and progressive mid-level flow will continue late this
weekend across the US as a large upper trough moves offshore over
the East. At the same time, a shortwave trough will move onshore
over the Pacific Northwest as transient ridging develops over a
southern stream cutoff across the central CONUS. A cold front,
associated with the eastern trough, will continue to move offshore.
Behind this front, a much cooler air mass, and high pressure, will
suppress thunderstorm chances over all but a small portion of south
FL and coastal southern New England. Marginal buoyancy is expected
to limit areal thunderstorm coverage and severe weather appears
unlikely.

To the west, weak ascent/orographic lift, and inland moisture
transport from the shoreward moving shortwave trough may support
isolated thunderstorms along the Pacific Coast, over the Cascades
and into the northern Rockies. Here, storm coverage will remain low
due to scant buoyancy. However, steepening low and mid-level lapse
rates from cold air advection aloft may support a few low-topped
storms with lightning flash coverage near 10%.

...Lyons.. 03/09/2024

$$

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