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SPC Mar 9, 2024 1730 UTC Day 2 Convective Outlook

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SPC 1730Z Day 2 Outlook
Day 2 Outlook Image
Day 2 Convective Outlook  
NWS Storm Prediction Center Norman OK
1100 AM CST Sat Mar 09 2024

Valid 101200Z - 111200Z


Severe storms are not expected on Sunday.

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

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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