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Home Return to list Severe Thunderstorm Warning 0267 Issued by the Bismarck Forecast Office
Action: New Issued At: 2025-09-11 23:47:07 631 WUUS53 KBIS 120446 SVRBIS NDC049-069-120530- /O.NEW.KBIS.SV.W.0267.250912T0446Z-250912T0530Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED Severe Thunderstorm Warning National Weather Service Bismarck ND 1146 PM CDT Thu Sep 11 2025 The National Weather Service in Bismarck has issued a * Severe Thunderstorm Warning for... Northern Pierce County in north central North Dakota... Northeastern McHenry County in north central North Dakota... * Until 1230 AM CDT. * At 1146 PM CDT, a severe thunderstorm was located near Rugby, moving northeast at 20 mph. HAZARD...Half dollar size hail. SOURCE...Radar indicated. IMPACT...Damage to vehicles is expected. * Locations impacted include... Rugby, Wolford, and Berwick. PRECAUTIONARY/PREPAREDNESS ACTIONS... For your protection move to an interior room on the lowest floor of a building. Torrential rainfall is occurring with this storm, and may lead to flash flooding. Do not drive your vehicle through flooded roadways. && LAT...LON 4852 9967 4837 9961 4837 9985 4832 9985 4824 10022 4835 10034 4855 9994 4854 9975 TIME...MOT...LOC 0446Z 242DEG 18KT 4836 10010 HAIL THREAT...RADAR INDICATED MAX HAIL SIZE...1.25 IN WIND THREAT...RADAR INDICATED MAX WIND GUST...<50 MPH $$ ADAM Action: Continued Issued At: 2025-09-12 00:02:37 938 WWUS53 KBIS 120502 SVSBIS Severe Weather Statement National Weather Service Bismarck ND 1202 AM CDT Fri Sep 12 2025 NDC049-069-120530- /O.CON.KBIS.SV.W.0267.000000T0000Z-250912T0530Z/ Pierce ND-McHenry ND- 1202 AM CDT Fri Sep 12 2025 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1230 AM CDT FOR NORTHERN PIERCE AND NORTHEASTERN MCHENRY COUNTIES... At 1201 AM CDT, a severe thunderstorm was located near Rugby, moving northeast at 20 mph. HAZARD...Golf ball size hail. SOURCE...Radar indicated. IMPACT...People and animals outdoors will be injured. Expect damage to roofs, siding, windows, and vehicles. Locations impacted include... Rugby, Wolford, and Berwick. PRECAUTIONARY/PREPAREDNESS ACTIONS... For your protection move to an interior room on the lowest floor of a building. Torrential rainfall is occurring with this storm, and may lead to flash flooding. Do not drive your vehicle through flooded roadways. && LAT...LON 4852 9967 4837 9961 4837 9985 4832 9985 4824 10022 4835 10034 4855 9994 4854 9975 TIME...MOT...LOC 0501Z 247DEG 19KT 4835 9992 THUNDERSTORM DAMAGE THREAT...CONSIDERABLE HAIL THREAT...RADAR INDICATED MAX HAIL SIZE...1.75 IN WIND THREAT...RADAR INDICATED MAX WIND GUST...<50 MPH $$ ADAM Action: Continued Issued At: 2025-09-12 00:19:37 414 WWUS53 KBIS 120519 SVSBIS Severe Weather Statement National Weather Service Bismarck ND 1219 AM CDT Fri Sep 12 2025 NDC049-069-120530- /O.CON.KBIS.SV.W.0267.000000T0000Z-250912T0530Z/ Pierce ND-McHenry ND- 1219 AM CDT Fri Sep 12 2025 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1230 AM CDT FOR NORTHERN PIERCE AND NORTHEASTERN MCHENRY COUNTIES... At 1219 AM CDT, a severe thunderstorm was located 8 miles southwest of Wolford, or 8 miles east of Rugby, moving northeast at 20 mph. HAZARD...Half dollar size hail. SOURCE...Radar indicated. IMPACT...Damage to vehicles is expected. Locations impacted include... Rugby, Wolford, and Berwick. PRECAUTIONARY/PREPAREDNESS ACTIONS... For your protection move to an interior room on the lowest floor of a building. Torrential rainfall is occurring with this storm, and may lead to flash flooding. Do not drive your vehicle through flooded roadways. && LAT...LON 4852 9967 4837 9961 4837 9985 4832 9985 4824 10022 4835 10034 4855 9994 4854 9975 TIME...MOT...LOC 0519Z 242DEG 18KT 4839 9980 HAIL THREAT...RADAR INDICATED MAX HAIL SIZE...1.25 IN WIND THREAT...RADAR INDICATED MAX WIND GUST...<50 MPH $$ ADAM |