890 WUUS53 KBIS 120401 SVRBIS NDC009-049-069-120500- /O.NEW.KBIS.SV.W.0266.250912T0401Z-250912T0500Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED Severe Thunderstorm Warning National Weather Service Bismarck ND 1101 PM CDT Thu Sep 11 2025 The National Weather Service in Bismarck has issued a * Severe Thunderstorm Warning for... Southeastern Bottineau County in north central North Dakota... Northwestern Pierce County in north central North Dakota... Northeastern McHenry County in north central North Dakota... * Until midnight CDT. * At 1101 PM CDT, a severe thunderstorm was located 7 miles northwest of Denbigh, or 28 miles east of Minot, moving northeast at 20 mph. HAZARD...60 mph wind gusts and half dollar size hail. SOURCE...Radar indicated. IMPACT...Hail damage to vehicles is expected. Expect wind damage to roofs, siding, and trees. * Locations impacted include... Towner, Willow City, Upham, Denbigh, Barton, Barton City, Gardena, and Bantry. PRECAUTIONARY/PREPAREDNESS ACTIONS... For your protection move to an interior room on the lowest floor of a building. && LAT...LON 4868 10034 4856 10014 4854 10014 4855 10012 4849 10003 4823 10056 4836 10087 4872 10066 TIME...MOT...LOC 0401Z 224DEG 19KT 4839 10072 HAIL THREAT...RADAR INDICATED MAX HAIL SIZE...1.25 IN WIND THREAT...RADAR INDICATED MAX WIND GUST...60 MPH $$ MDJ  554 WHUS52 KMFL 120408 SMWMFL AMZ670-671-120445- /O.NEW.KMFL.MA.W.0338.250912T0408Z-250912T0445Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED Special Marine Warning National Weather Service Miami FL 1208 AM EDT Fri Sep 12 2025 The National Weather Service in Miami has issued a * Special Marine Warning for... Waters from Deerfield Beach to Ocean Reef FL from 20 to 60 NM excluding the territorial waters of Bahamas... Waters from Jupiter Inlet to Deerfield Beach FL from 20 to 60 NM... * Until 1245 AM EDT. * At 1208 AM EDT, a severe thunderstorm capable of producing waterspouts was located 37 nm east of Hillsboro Beach, or 37 nm east of Highland Beach, moving east at 10 knots. HAZARD...Waterspouts and wind gusts 34 knots or greater. SOURCE...Radar. IMPACT...Waterspouts can easily overturn boats and create locally hazardous seas. Small craft could be damaged in briefly higher winds and suddenly higher waves. * The severe thunderstorm will remain over mainly open waters. PRECAUTIONARY/PREPAREDNESS ACTIONS... Move to safe harbor until hazardous weather passes. Thunderstorms can produce sudden waterspouts. Waterspouts can easily overturn boats and create locally hazardous seas. Seek safe harbor immediately. Frequent lightning is occurring with this storm. If caught on the open water stay below deck if possible, keep away from ungrounded metal objects. Report severe weather to the Coast Guard or the National Weather Service. You can also share your report with NWS Miami on Facebook and Twitter. && LAT...LON 2616 7944 2635 7950 2646 7920 2625 7911 TIME...MOT...LOC 0408Z 250DEG 11KT 2627 7938 WATERSPOUT...POSSIBLE HAIL...0.00IN WIND...>34KTS $$ CWC  317 WUUS53 KUNR 120415 SVRUNR SDC019-063-120515- /O.NEW.KUNR.SV.W.0371.250912T0415Z-250912T0515Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED Severe Thunderstorm Warning National Weather Service Rapid City SD 1015 PM MDT Thu Sep 11 2025 The National Weather Service in Rapid City has issued a * Severe Thunderstorm Warning for... South central Harding County in northwestern South Dakota... Central Butte County in northwestern South Dakota... * Until 1115 PM MDT. * At 1015 PM MDT, a severe thunderstorm was located 4 miles southeast of Arpan, or 14 miles northeast of Belle Fourche, moving north at 30 mph. HAZARD...60 mph wind gusts and quarter size hail. SOURCE...Radar indicated. IMPACT...Hail damage to vehicles is expected. Expect wind damage to roofs, siding, and trees. * Locations impacted include... Newell, Nisland, Castle Rock, Hoover, Redig, Arpan, Belle Fourche Reservoir, Newell Lake, Haystack Buttes, Two Top Butte, and Crow Buttes. PRECAUTIONARY/PREPAREDNESS ACTIONS... For your protection move to an interior room on the lowest floor of a building. && LAT...LON 4464 10345 4468 10372 4534 10365 4525 10307 TIME...MOT...LOC 0415Z 194DEG 27KT 4475 10358 HAIL THREAT...RADAR INDICATED MAX HAIL SIZE...1.00 IN WIND THREAT...RADAR INDICATED MAX WIND GUST...60 MPH $$ AEH  437 WWUS53 KBIS 120433 SVSBIS Severe Weather Statement National Weather Service Bismarck ND 1133 PM CDT Thu Sep 11 2025 NDC009-049-069-120500- /O.CON.KBIS.SV.W.0266.000000T0000Z-250912T0500Z/ Bottineau ND-Pierce ND-McHenry ND- 1133 PM CDT Thu Sep 11 2025 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL MIDNIGHT CDT FOR SOUTHEASTERN BOTTINEAU...NORTHWESTERN PIERCE AND NORTHEASTERN MCHENRY COUNTIES... At 1132 PM CDT, a severe thunderstorm was located 7 miles northwest of Denbigh, or 30 miles northeast of Minot, moving northeast at 15 mph. HAZARD...60 mph wind gusts and half dollar size hail. SOURCE...Radar indicated. IMPACT...Hail damage to vehicles is expected. Expect wind damage to roofs, siding, and trees. Locations impacted include... Towner, Willow City, Upham, Denbigh, Barton, Barton City, Gardena, and Bantry. PRECAUTIONARY/PREPAREDNESS ACTIONS... For your protection move to an interior room on the lowest floor of a building. && LAT...LON 4868 10034 4856 10014 4854 10014 4855 10012 4849 10003 4823 10056 4836 10087 4872 10066 TIME...MOT...LOC 0432Z 226DEG 11KT 4841 10067 HAIL THREAT...RADAR INDICATED MAX HAIL SIZE...1.25 IN WIND THREAT...RADAR INDICATED MAX WIND GUST...60 MPH $$ MDJ  705 WWUS53 KUNR 120435 SVSUNR Severe Weather Statement National Weather Service Rapid City SD 1035 PM MDT Thu Sep 11 2025 SDC019-063-120515- /O.CON.KUNR.SV.W.0371.000000T0000Z-250912T0515Z/ Harding SD-Butte SD- 1035 PM MDT Thu Sep 11 2025 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1115 PM MDT FOR SOUTH CENTRAL HARDING AND EASTERN BUTTE COUNTIES... At 1035 PM MDT, a severe thunderstorm was located 4 miles west of Newell Lake, or 21 miles northeast of Belle Fourche, moving northeast at 30 mph. HAZARD...Ping pong ball size hail and 60 mph wind gusts. SOURCE...Radar indicated. IMPACT...People and animals outdoors will be injured. Expect hail damage to roofs, siding, windows, and vehicles. Expect wind damage to roofs, siding, and trees. Locations impacted include... Newell, Castle Rock, Hoover, Redig, Arpan, Newell Lake, Haystack Buttes, Two Top Butte, and Crow Buttes. PRECAUTIONARY/PREPAREDNESS ACTIONS... For your protection move to an interior room on the lowest floor of a building. && LAT...LON 4468 10342 4481 10371 4534 10365 4525 10307 TIME...MOT...LOC 0435Z 207DEG 25KT 4485 10349 HAIL THREAT...RADAR INDICATED MAX HAIL SIZE...1.50 IN WIND THREAT...RADAR INDICATED MAX WIND GUST...60 MPH $$ AEH  615 WWUS53 KUNR 120441 SVSUNR Severe Weather Statement National Weather Service Rapid City SD 1041 PM MDT Thu Sep 11 2025 SDC019-063-120515- /O.CON.KUNR.SV.W.0371.000000T0000Z-250912T0515Z/ Harding SD-Butte SD- 1041 PM MDT Thu Sep 11 2025 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1115 PM MDT FOR SOUTH CENTRAL HARDING AND CENTRAL BUTTE COUNTIES... At 1041 PM MDT, a severe thunderstorm was located 4 miles northwest of Newell Lake, or 24 miles northeast of Belle Fourche, moving northeast at 30 mph. HAZARD...60 mph wind gusts and half dollar size hail. SOURCE...Radar indicated. IMPACT...Hail damage to vehicles is expected. Expect wind damage to roofs, siding, and trees. Locations impacted include... Newell, Castle Rock, Hoover, Arpan, Newell Lake, Haystack Buttes, and Two Top Butte. PRECAUTIONARY/PREPAREDNESS ACTIONS... For your protection move to an interior room on the lowest floor of a building. && LAT...LON 4468 10342 4481 10371 4532 10352 4525 10307 TIME...MOT...LOC 0441Z 206DEG 26KT 4489 10345 HAIL THREAT...RADAR INDICATED MAX HAIL SIZE...1.25 IN WIND THREAT...RADAR INDICATED MAX WIND GUST...60 MPH $$ AEH  014 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 $$ ADAM  277 WWUS53 KUNR 120447 SVSUNR Severe Weather Statement National Weather Service Rapid City SD 1047 PM MDT Thu Sep 11 2025 SDC019-063-120515- /O.CON.KUNR.SV.W.0371.000000T0000Z-250912T0515Z/ Harding SD-Butte SD- 1047 PM MDT Thu Sep 11 2025 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1115 PM MDT FOR SOUTH CENTRAL HARDING AND NORTHEASTERN BUTTE COUNTIES... At 1047 PM MDT, a severe thunderstorm was located 3 miles south of Castle Rock, or 27 miles northeast of Belle Fourche, moving northeast at 30 mph. HAZARD...60 mph wind gusts and quarter size hail. SOURCE...Radar indicated. IMPACT...Hail damage to vehicles is expected. Expect wind damage to roofs, siding, and trees. Locations impacted include... Castle Rock, Hoover, Newell Lake, Haystack Buttes, and Two Top Butte. PRECAUTIONARY/PREPAREDNESS ACTIONS... For your protection move to an interior room on the lowest floor of a building. && LAT...LON 4478 10336 4487 10369 4531 10347 4525 10307 TIME...MOT...LOC 0447Z 212DEG 24KT 4491 10341 HAIL THREAT...RADAR INDICATED MAX HAIL SIZE...1.00 IN WIND THREAT...RADAR INDICATED MAX WIND GUST...60 MPH $$ AEH  765 WWUS53 KUNR 120453 SVSUNR Severe Weather Statement National Weather Service Rapid City SD 1053 PM MDT Thu Sep 11 2025 SDC019-063-120503- /O.CAN.KUNR.SV.W.0371.000000T0000Z-250912T0515Z/ Harding SD-Butte SD- 1053 PM MDT Thu Sep 11 2025 ...THE SEVERE THUNDERSTORM WARNING FOR SOUTH CENTRAL HARDING AND NORTHEASTERN BUTTE COUNTIES IS CANCELLED... The severe thunderstorm which prompted the warning has weakened. Therefore, the warning has been cancelled. However, small hail and gusty winds are still possible with this thunderstorm. && LAT...LON 4478 10336 4487 10369 4531 10347 4525 10307 TIME...MOT...LOC 0451Z 194DEG 27KT 4495 10339 $$ AEH