Heavy rain and Flooding
a problem of any tropical disturbance

Apart from the storm surge, heavy rainfall causes both flash and long term flooding. Tropical storms and hurricanes are known to dump as much as a meter (about 3 feet) of rain in just a couple of days, creating big problems for residents who believe they are safe just because they do not live on or near the coast. In fact flooding kills more people than the strong winds do. Here are some of the rainfall totals which occurred in October of 1995 from the landfall of Hurricane Opal.

Rainfall from Hurricane Opal (1995)
Ellyson, FL15.45"
Evergreen, AL8.10"
Peach Tree City, GA7.66"
Mobile, AL7.48"
Pensacola, FL7.27"
Hurlburt Field, FL6.64"
Atlanta, GA6.59"
Fulton Co., GA6.22"
Anniston, AL6.09"
Ft Benning, GA5.25"
Dobbins AFB, GA5.14"

Data provided by TPC

After a hurricane has come inland, it does begin to deteriorate. However, it still produces a lot of rainfall. Even when a tropical system is as weak as a depression, it is still a very strong storm when compared to average thunderstorms.

Terms for using data resources. CD-ROM available.
Credits and Acknowledgments for WW2010.
Department of Atmospheric Sciences (DAS) at
the University of Illinois at Urbana-Champaign.