Tornado sirens were activated in Grand Forks and East Grand Forks. There was no threat of an actual tornado, according to the National Weather Service, but extreme winds bore down on the community.
"The North Dakota National Guard is placing sandbags downstream of the Bourbanis Dam in eastern Cavalier County, west of Cavalier, North Dakota, which the Cavalier County Sheriff's Department says is in danger of rupturing."
According to an update from Pembina County Emergency Management on Wednesday morning, sandbags placed by the Guard on Tuesday have been successful in stabilizing erosion at the Bourbanis Dam.
In an announcement on Facebook early on Tuesday, May 3, the Cavalier County Sheriff’s Department said nearby North Dakota Highway 5 is closed from North Dakota Highway 1 to North Dakota Highway 32 due to “possible imminent rupture of the Dam.”