1879: A major outbreak of severe weather occurred in Kansas and western Missouri. In Kansas, tornadoes killed eighteen people at Delphos and thirty persons at Irving. Two tornadoes struck the town of Irving within a few minutes time virtually wiping the small Kansas community off the map. The second tornado was perhaps two miles wide and exhibited multiple vortices.
— NWS Des Moines (@NWSDesMoines) May 30, 2017
1927: The Kentucky River peaks during a massive flood that killed 89 people and left thousands homeless. Torrential rains caused this unprecedented flood.
Today is the 69th anniversary of the Vanport, OR flood. 2nd largest flood in Portland’s history. https://t.co/5Ec0jvEE8I
— NWS Portland (@NWSPortland) May 30, 2017
1988: Memorial Day heralded heavy snow in some of the mountains and higher passes of Wyoming, closing roads in Yellowstone Park. McDonald Pass, Montana was blanketed with eight inches of snow, while the temperature at Miles City, Montana soared to 94 degrees.
1998: An F4 tornado moved through southeast South Dakota, killing six people and injuring another 150. The tornado crossed into McCook County at approximately 7:38 pm, CST and moved through downtown Spencer at about 7:39 pm, CST. The total cost of damage was more than $18 million with an additional half million in crop damage.
Source: NWS Sioux Falls, South Dakota.
— NWS Indianapolis (@NWSIndianapolis) May 30, 2017
— NWS Little Rock (@NWSLittleRock) May 30, 2017
— Travels & Chases (@TRAVELSnCHASES) May 30, 2017