Administrators NorthGeorgiaWX Posted December 9, 2023 Administrators Share Posted December 9, 2023 SPC 0100Z Day 1 Outlook Day 1 Convective Outlook NWS Storm Prediction Center Norman OK 0657 PM CST Fri Dec 08 2023 Valid 090100Z - 091200Z ...THERE IS A MARGINAL RISK OF SEVERE THUNDERSTORMS ACROSS PARTS OF THE ARK-LA-TEX AND OZARKS... ...SUMMARY... An isolated large-hail threat will be possible this evening into tonight across parts of the Ark-La-Tex and Ozarks. A marginal tornado threat could also develop in parts of central and northern Arkansas. ...Ark-La-Tex/Ozarks... Latest water-vapor imagery shows a mid-level trough over the central Plains and southern Rockies. Mid-level moisture was evident near and to the east of the trough from Colorado into western Kansas. An associated 80 to 100 kt mid-level jet will translate eastward into the base of the trough this evening. Ahead of the system, a 40 to 50 knot low-level jet will move east-northeastward across the mid Mississippi Valley. Isolated thunderstorm development will be possible on the western edge of the low-level jet this evening into tonight, as large-scale ascent increases from the west. The strongest convection is expected to form along the northern edge of a corridor of moderate instability from central Arkansas into southern Missouri. Any cell that can initiate and become sustained could have a threat for isolated large hail. The combination of shear and instability is forecast to become maximized over central and northern Arkansas, where a marginal tornado threat will also be possible. Any threat that develops could persist into the 09Z to 12Z timeframe, as the upper-level system moves into the region. ..Broyles.. 12/09/2023 Read more View the full article Quote Link to comment Share on other sites More sharing options...
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