Flood
case studies.

Flash floods, river floods, and storm surge. The costliest natural disaster by cumulative damage — and one of the most misunderstood.

Browse 5 case studies Flood preparedness guide →

The record

What actually happened.

Each case study follows one event from first warning through long-term outcome, ending with five specific actions drawn from what the event demonstrated.

Great Mississippi Flood · 1927

Historical

Read the case study →

Buffalo Creek Flood · 1972

Historical

Read the case study →

Big Thompson Canyon Flash Flood · 1976

Historical

Read the case study →

Great Midwest Flood · 1993

Historical

Read the case study →

Grand Forks Flood · 1997

Historical

Read the case study →

All case studies Flood preparedness guide