SPC 0700Z Day 2 Outlook
Day 2 Convective Outlook NWS Storm Prediction Center Norman OK 1258 AM CST Sun Jan 24 2021 Valid 251200Z - 261200Z ...THERE IS A MARGINAL RISK OF SEVERE THUNDERSTORMS FROM EAST TEXAS NORTH-NORTHEAST TO THE MID MISSISSIPPI AND LOWER OHIO VALLEY AREA... ...SUMMARY... A few strong to perhaps locally severe storms may linger into Monday from East Texas to the mid Mississippi Valley. ...Synopsis... As elongated upper troughing along the West Coast digs south-southeastward, reinforcing the mean long-wave trough over the West, a weakening feature -- ejecting from the western trough today -- will shift northeastward across the central Plains and into the Midwest. East and southeast of this feature, low-amplitude ridging will prevail. At the surface, a low initially expected across Oklahoma will move east-northeastward into the Ohio Valley, gradually filling in conjunction with the weakening of the upper system. A cold front trailing from this system -- across eastern Oklahoma and East Texas at the start of the period -- will similarly become more ill-defined with time, as it moves across the Mississippi and Tennessee Valleys and sags into the central Gulf Coast States overnight. ...East Texas to the confluence of the Mississippi and Ohio Rivers... Showers and embedded thunderstorms are forecast to be ongoing at the start of the period from eastern portions of the central and southern Plains, eastward to the lower Ohio and Tennessee Valleys. Early in the period, a few robust storms may persist into the morning and possibly midday hours, along with local/attendant risk for primarily hail. With time however, as the surface and upper systems weaken and shift east-northeastward, a less unstable warm sector with eastward extent should yield steadily diminishing convective intensity through the afternoon and into the evening hours. ..Goss.. 01/24/2021
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