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SPC Sep 18, 2026 1630 UTC Day 1 Convective Outlook

Day 1 Convective Outlook NWS Storm Prediction Center Norman OK 1129 AM CDT Fri Sep 18 2026 Valid 181630Z - 191200Z...THERE IS A MARGINAL RISK OF SEVERE THUNDERSTORMS FROM THE CAROLINA PIEDMONT INTO NORTHERN GEORGIA...NORTHERN IOWA...PARTS OF THE CENTRAL HIGH PLAINS...AND PARTS OF THE INTERMOUNTA...

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