MD 2267 CONCERNING SEVERE POTENTIAL…WATCH POSSIBLE FOR PORTIONS OF SOUTHEASTERN SOUTH DAKOTA AND FAR NORTH-CENTRAL/NORTHEASTERN NEBRASKA Mesoscale Discussion 2267 NWS Storm Prediction Center Norman OK 0629 PM CDT Mon Sep 07 2026 Areas affected…portions of southeastern South Dakota and far north-central/northeastern Nebraska Concerning…Severe potential…Watch possible Valid 072329Z – 080100Z Probability of Watch Issuance…60 percent SUMMARY…A threat for primarily large to very large hail and perhaps a tornado exists across portions of southeastern South Dakota and far north-central/northeastern Nebraska. DISCUSSION…Isolated thunderstorm development has been noted near the SD/NE border along a weak surface boundary/confluence zone in the past 30-60 minutes. While […]
WW 664 SEVERE TSTM SD 080005Z – 080700Z URGENT – IMMEDIATE BROADCAST REQUESTED Severe Thunderstorm Watch Number 664 NWS Storm Prediction Center Norman OK 705 PM CDT Mon Sep 7 2026 The NWS Storm Prediction Center has issued a * Severe Thunderstorm Watch for portions of Southeast South Dakota * Effective this Monday night and Tuesday morning from 705 PM until 200 AM CDT. * Primary threats include… Scattered large hail and isolated very large hail events to 2.5 inches in diameter possible Isolated damaging wind gusts to 70 mph possible A tornado or two possible SUMMARY…Supercells should pose a […]
WW 663 SEVERE TSTM ND 072240Z – 080400Z URGENT – IMMEDIATE BROADCAST REQUESTED Severe Thunderstorm Watch Number 663 NWS Storm Prediction Center Norman OK 540 PM CDT Mon Sep 7 2026 The NWS Storm Prediction Center has issued a * Severe Thunderstorm Watch for portions of Northern North Dakota * Effective this Monday afternoon and evening from 540 PM until 1100 PM CDT. * Primary threats include… Scattered large hail and isolated very large hail events to 2.5 inches in diameter possible Isolated damaging wind gusts to 65 mph possible A tornado or two possible SUMMARY…Developing thunderstorms may strengthen into […]