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SPC Sep 17, 2026 2000 UTC Day 1 Convective Outlook

Day 1 Convective Outlook NWS Storm Prediction Center Norman OK 0247 PM CDT Thu Sep 17 2026 Valid 172000Z - 181200Z...THERE IS A MARGINAL RISK OF SEVERE THUNDERSTORMS THIS AFTERNOON AND EVENING OVER PARTS OF IDAHO/UTAH AND A SMALL PART OF THE CENTRAL HIGH PLAINS......SUMMARY... Thunderstorms wit...

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