"20 or so tornadoes" in 3 hours Storm Chasers live-streamed Sunday North Dakota; "rare Sept weather producing damage" Heating Planet blog

Watch BREAKING Tornadoes On The Ground In North Dakota- more Tornadoes Likely- With Live Storm Chasers- Blogger: as I type it's now "12 tornadoes, another in progress east of 83" Max Velocity- Severe Weather Center video: