- NOAA Atlas 14 - Precipitation Frequency Estimates for Minnesota
(National Weather Service Hydrometeorological Design Studies Center) - FLASH: Real-time Precipitation Return Period Analysis
(NOAA National Severe Storms Laboratory) - 100 Year Storms defined
- Historic Minnesota Mega-Rain Events
- Minnesota Flash Floods
- United States Storm Studies: 1875-1973
(U.S. Army Corps of Engineers) - Living with Dams: Extreme Rainfall Events
(Association of State Dam Safety Officials - ASDSO)