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SPC Dec 30, 2023 1300 UTC Day 1 Convective Outlook

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SPC 1300Z Day 1 Outlook
Day 1 Outlook Image
Day 1 Convective Outlook  
NWS Storm Prediction Center Norman OK
0627 AM CST Sat Dec 30 2023

Valid 301300Z - 311200Z


Thunderstorms are not forecast across the contiguous United States

Water-vapor imagery this morning shows a mid- to upper-level trough
moving ashore along the West Coast and it is forecast to partially
bifurcate, as a mid-level low evolves over northern AZ by Sunday
morning and a trough weakens over the Pacific Northwest.  A band of
showers will spread inland across the West Coast during the day
before precipitation coverage decreases with eastward extent by
evening.  Cool/stable conditions farther east due in large part to
surface high pressure over the Gulf will result in conditions
hostile for thunderstorm development over the central/eastern

..Smith/Marsh.. 12/30/2023

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