•A common feature of many of
the weather patterns that affect
North America is their slow movement, a characteristic that leads to rainfall over a watershed
for a long duration.
•Flooding following landfall
of tropical cyclones.
•Flooding from Mesoscale
Convective Systems.
•Flooding from frontal
overrunning.
•Flooding compounded by
snowmelt.
•Flash floods of the Desert
Southwest.
•Flash floods along the east
slope of the Rocky Mountain.
•West Coast floods.