An active pattern will continue to bring heavy to excessive rainfall and flash flooding threats to the Midwest and Ohio Valley over the next couple of days. Dangerous heat continues across the central/southern Plains and Southeast U.S. into next week. There is potential for record-tying/breaking temperatures with many areas forecast to see their hottest temperatures so far this year. Read More >
Overview
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During the late afternoon and evening hours on August 1, 2023, severe thunderstorms impacted parts of northwest and central North Dakota. Significant wind damage occurred near Lake Sakakawea, especially at the Hazen Bay and Beulah Bay areas where campers were flipped over and several large trees were uprooted. Large hail up to the size of golf balls was reported with multiple storms, and in some cases combined with strong winds to cause damage to siding and windows. The hail and winds also caused very extensive damage to crops from near the Missouri River east of Williston through western McLean and northern Mercer Counties. A brief tornado was reported near Wilton, but is not known to have caused any damage. |
 Thunderstorm approaching New Hradec, North Dakota (Photo courtesy of Cameron Whitfield Lorge) |
Photos & Video
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| Siding damage to a house north of Hazen (Courtesy of Kelsey Hermanson Ehlers) |
Downed tree in Beulah Bay (Courtesy of Bob Hafner) |
Damage in Beulah Bay (Courtesy of Lexy Emter) |
Hail covering the ground in Hazen Bay (Courtesy of Tasia Wiest) |
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| Hail piled up at a house north of Hazen (Courtesy of Kelsey Hermanson Ehlers) |
Tree damage in Alexander (Courtesy of Sheila Cockerham) |
Damage in Beulah Bay (Courtesy of Lexy Emter) |
Storm moving into Dickinson |
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| Storm moving into Marshall (Courtesy of Shane Ornelas) |
Thunderstorm near Lehr (Courtesy of Shelly Glaesman) |
Downed tree in Tobacco Gardens (Courtesy of Cindy Wollan) |
Damage in Hazen (Courtesy of Ashley Rasch) |
Radar
Storm Reports
Public Information Statement National Weather Service Bismarck ND 1120 AM CDT Wed Aug 2 2023 ...UPDATED LOCAL STORM REPORTS OF PRECIPITATION...HAIL...AND STRONG WINDS FROM THE SEVERE WEATHER EVENT THAT OCCURRED ON AUGUST 1ST 2023... ...PRECIPITATION REPORTS... Location Amount Time/Date Provider Melville 4.38 in 0900 PM 08/01 Public Kensal 3.75 in 0945 AM 08/02 Public 2 SSE Manning 3.50 in 0953 AM 08/02 Public 5 NW Huff 2.40 in 0908 AM 08/02 Public 3 S Bismarck 2.37 in 1045 AM 08/02 Public 4 SW Mandan 2.32 in 0853 AM 08/02 Public 1 SE Washburn 2.30 in 0749 AM 08/02 Public 2 S Chaseley 2.25 in 0803 AM 08/02 Public Huff Hills 2.25 in 0830 AM 08/02 CWOP Manning 1.3 NE 2.25 in 0800 AM 08/02 COCORAHS Huff 2.23 in 0731 AM 08/02 Public 3 S Lincoln 2.23 in 0643 AM 08/02 Public 10 SSE Almont 2.20 in 0928 AM 08/02 Public 5 SW Lincoln 2.15 in 0729 AM 08/02 Public Menoken 2.00 in 0806 AM 08/02 Public 5 N Golden Valley 1.92 in 0730 AM 08/02 Trained Spotter Fort Rice 1.89 in 0925 AM 08/02 Public Carrington 9.1 S 1.86 in 0700 AM 08/02 COCORAHS 6 NE Saint Anthony 1.86 in 0938 AM 08/02 Trained Spotter Killdeer 5.4 SW 1.78 in 0800 AM 08/02 COCORAHS 21 NNW Jamestown (Arrowwood) 1.76 in 0834 AM 08/02 RAWS 1 W New Salem 1.75 in 0748 AM 08/02 Public 4 NW Hazelton 1.72 in 0645 AM 08/02 CO-OP Observer 3 SW Mandan 1.70 in 0748 AM 08/02 Public 4 WNW Stanton 1.70 in 0913 AM 08/02 Public Washburn 1.70 in 0700 AM 08/02 Public 9 S Kintyre 1.60 in 0803 AM 08/02 Trained Spotter Long Lake NWR 1.60 in 0747 AM 08/02 RAWS Hebron 11.2 NE 1.55 in 0600 AM 08/02 COCORAHS Mandan 1.50 in 0723 AM 08/02 Public 1 NE Pettibone 1.40 in 0929 AM 08/02 Public 7 WSW Saint Anthony 1.38 in 0825 AM 08/02 Public Stanton 1.31 in 0750 AM 08/02 RAWS Bismarck 5.7 SSE 1.20 in 0700 AM 08/02 COCORAHS 2 SE Hazen 1.18 in 0728 AM 08/02 Public Watford City 1.15 in 0749 AM 08/02 RAWS 3 SSE Bismarck 1.14 in 0640 AM 08/02 Official NWS Obs 6 ESE Green Lake 1.08 in 0708 AM 08/02 Trained Spotter 1 SSW Chaseley 1.02 in 0900 AM 08/02 Trained Spotter Beulah 1.2 NNW 1.00 in 0500 AM 08/02 COCORAHS 2 NE Bismarck 1.00 in 1005 AM 08/02 Public ...HAIL REPORTS... Location Size Time/Date Provider Watford City 1.75 in 0637 PM 08/01 Public New Town 1.75 in 0620 PM 08/01 Emergency Mngr 4 WNW Stanton 1.75 in 0845 PM 08/01 Public 6 S Raub 1.75 in 0711 PM 08/01 Trained Spotter Epping 1.50 in 0502 PM 08/01 Public 2 E New Town 1.50 in 0624 PM 08/01 Public Hazen 1.50 in 0831 PM 08/01 Broadcast Media 9 SSW Parshall 1.50 in 0647 PM 08/01 Public Killdeer 1.25 in 0737 PM 08/01 Public Wilton 1.25 in 0915 PM 08/01 Public Twin Buttes 1.25 in 0718 PM 08/01 Broadcast Media New Town 1.00 in 0615 PM 08/01 Public 7 SSW Pick City 1.00 in 0757 PM 08/01 Public 6 SW Killdeer 1.00 in 0742 PM 08/01 Trained Spotter 10 NW Charlson 1.00 in 0524 PM 08/01 Public 20 WSW Selfridge 1.00 in 0355 PM 08/01 Public 3 WSW Bismarck 1.00 in 0625 PM 08/01 Broadcast Media Stanton 1.00 in 0808 PM 08/01 Trained Spotter 4 WSW Raub 1.00 in 0659 PM 08/01 Broadcast Media Washburn 1.00 in 0852 PM 08/01 Public 3 NE Cross Ranch State Park 1.00 in 0906 PM 08/01 Trained Spotter 5 SW Williston 1.00 in 0547 PM 08/01 Law Enforcement 2 SW Bismarck 1.00 in 0605 PM 08/01 Broadcast Media Riverdale 0.88 in 0808 PM 08/01 Public 5 ESE Manning 0.88 in 0830 PM 08/01 Trained Spotter ...HIGHEST WIND REPORTS... Location Speed Time/Date Provider 3 NE Cross Ranch State Park 80 MPH 0903 PM 08/01 Trained Spotter 5 SE Kensal (NDAWN) 77 MPH 0730 PM 08/01 NDAWN 1 NW Dickinson (NDAWN) 76 MPH 0838 PM 08/01 NDAWN 5 SE Kensal (NDAWN) 72 MPH 0725 PM 08/01 NDAWN 12 E Mott 72 MPH 1011 PM 08/01 RAWS 2 W Hazen 69 MPH 0805 PM 08/01 Mesonet 12 SSE Ray (NDAWN) 67 MPH 0525 PM 08/01 NDAWN Watford City 67 MPH 0649 PM 08/01 RAWS 2 E Hazen 64 MPH 0756 PM 08/01 AWOS 12 SSE Ray (NDAWN) 62 MPH 0520 PM 08/01 NDAWN 2 W Hazen (NDAWN) 62 MPH 0750 PM 08/01 NDAWN Hazen 62 MPH 0858 PM 08/01 AWOS 5 SW New Salem 60 MPH 0908 PM 08/01 Trained Spotter 5 N Golden Valley 60 MPH 0743 PM 08/01 Trained Spotter 4 WSW Williston 60 MPH 0541 PM 08/01 Public 3 SE 4 Bears Lodge 60 MPH 0618 PM 08/01 Mesonet Killdeer 60 MPH 0800 PM 08/01 Public 4 WSW Charlson (NDAWN) 56 MPH 0545 PM 08/01 NDAWN Dickinson Airport 54 MPH 0840 PM 08/01 ASOS
Observations are collected from a variety of sources with varying equipment and exposures. We thank all volunteer weather observers for their dedication. Not all data listed are considered official. $$
Storm Survey Results
Public Information Statement National Weather Service Bismarck ND 826 PM CDT Wed Aug 2 2023 /726 PM MDT Wed Aug 2 2023/ ...NATIONAL WEATHER SERVICE SURVEYED DAMAGE FROM AUGUST 1, 2023 IN MERCER AND BURLEIGH COUNTIES NORTH DAKOTA... Today, August 2, 2023, meteorologists from the National Weather Service in Bismarck surveyed storm damage from August 1 across Mercer and Burleigh counties. In Mercer County, the worst damage was at Beulah Bay where two homes had parts of their roofs torn off, large trees were uprooted, there was damage to manufactured homes, and campers were flipped. The evidence here was that very high thunderstorm winds were the cause of the damage. The tree and manufactured home damage suggested winds around 80 mph while the roof damage to the other two homes suggested wind speeds on the order of 95 mph. Also in Mercer County, at Hazen Bay, trees were uprooted and campers were flipped. Again, this damage was consistent with very high thunderstorm winds, on the order of 80 mph. Through this area of Mercer County there was extensive crop damage with the crops in some fields completely flattened, suggesting near 100 percent crop loss. Finally in Mercer County, a video of what appears to be a funnel cloud was taken from Beulah, looking east-northeast from the city. Based on radar data the location of this funnel was about 4 miles west of Stanton, near the intersection of ND200 and ND200A (nearly 15 miles east-northeast from Beulah). The survey revealed no damage in this area, although access was limited due to a lack of roads. Based on this, at this point, it will be recorded as a funnel cloud and not a tornado. In Burleigh County, a very brief tornado occurred about one mile south-southwest of Wilton, in an open field. Although this area was surveyed there was limited access on existing roads. No damage was found and there appeared to be no structures in this area to damage. The tornado, by NWS policy, will be rated EF Unknown, as it hit no surveyable structures. We spoke to many people today and everyone, without exception, was welcoming and very helpful in assisting us in determining what happened the evening of August 1. We thank all of the folks for taking time during a stressful period of their lives to speak with us and allow us to come onto their property and survey and photograph the damage. Based on speaking with local law enforcement there were no deaths and no significant injuries. Note: The information in this statement is PRELIMINARY and subject to change pending final review of the event and publication in NWS Storm Data. $$
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