SPC MD 1428

MD 1428 CONCERNING SEVERE THUNDERSTORM WATCH 421… FOR SOUTHERN SD…WESTERN INTO CENTRAL NE Mesoscale Discussion 1428 NWS Storm Prediction Center Norman OK 0858 PM CDT Sat Aug 08 2020 Areas affected…Southern SD…Western into central NE Concerning…Severe Thunderstorm Watch 421… Valid 090158Z – 090330Z The severe weather threat for Severe Thunderstorm Watch 421 continues. SUMMARY…The severe(…)