Tropical cyclone rainfall climatology: Difference between revisions

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On average, five tropical cyclones of at least tropical depression strength lead to rainfall across the contiguous United States each year, contributing around a quarter of the annual rainfall to the southern United States. While many of these storms form in the Atlantic Basin, some systems or their remnants move through Mexico from the Eastern Pacific Basin. The average storm total rainfall for a tropical cyclone impacting the lower 48 is about 16 inches, of while 70 percent of the total falls within a 24 hour period. Below is a list of the top ten highest storm total rainfall amounts from individual tropical cyclones across the lower 48 since 1980. Much of the rainfall information was provided by the National Climatic Data Center in Asheville, NC.

40.68" Allison 2001
38.46" Georges 1998
36.71" Danny 1997
27.85" Alberto 1994
25.67" Allison 1989
25.56" Dennis 1981
25.00" Tropical Depression #1 of 1992 (Atlantic)
24.06" Floyd 1999
23.57" Frances 2004
22.39" Frances 1998

External links

This image shows the maximum amounts in the lower 48 by state.

[1]

The web site showing storm-by-storm images lies here: [2].

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-On average, five [[tropical cyclone|tropical cyclones]] of at least tropical depression strength lead to rainfall across the contiguous United States each year, contributing around a quarter of the annual rainfall to the southern United States.  While many of these storms form in the Atlantic Basin, some systems or their remnants move through Mexico from the Eastern Pacific Basin.  The average storm total rainfall for a tropical cyclone impacting the lower 48 is about 16 inches, of while 70 percent of the total falls within a 24 hour period.  Below is a list of the top ten highest storm total rainfall amounts from individual tropical cyclones across the lower 48 since 1980.  Much of the rainfall information was provided by the National Climatic Data Center in Asheville, NC.
+On average, five [[tropical cyclone]]s of at least tropical depression strength lead to rainfall across the contiguous United States each year, contributing around a quarter of the annual rainfall to the southern United States.  While many of these storms form in the Atlantic Basin, some systems or their remnants move through Mexico from the Eastern Pacific Basin.  The average storm total rainfall for a tropical cyclone impacting the lower 48 is about 16 inches, of while 70 percent of the total falls within a 24 hour period.  Below is a list of the top ten highest storm total rainfall amounts from individual tropical cyclones across the lower 48 since 1980.  Much of the rainfall information was provided by the National Climatic Data Center in Asheville, NC.
 #   40.68"  Allison 2001
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 #  22.39"  Frances 1998
-==External Links==
+==External links==
 This image shows the maximum amounts in the lower 48 by state.
-[http://www.hpc.ncep.noaa.gov/tropical/rain/tcstatemaxima.gif]
+*[http://www.hpc.ncep.noaa.gov/tropical/rain/tcstatemaxima.gif]
 The web site showing storm-by-storm images lies here: [http://www.hpc.ncep.noaa.gov/tropical/rain/tcrainfall.html].