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The National Weather Service Storm Prediction Center (NWSSPC or SPC) operates under the control of the National Weather Service (NWS), and is assigned with forecasting the risk of severe thunderstorms and tornadoes in the contiguous United States. NWSSPC issues convective outlooks, mesoscale discussions.

NWSSPC headquarters is at the National Weather Center in Norman, Oklahoma, the Storm Prediction Center.

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