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Rain began falling on the Atlanta area on September 15, 2009, with the National Weather Service (NWS) reporting only 0.04 inches that day at the Hartsfield-Jackson Atlanta International Airport. [3] Additional rain fell throughout the week, with only a trace amount recorded for September 18. [3]
Ten-year floods have a 10% chance of occurring in any given year (P e =0.10); 500-year have a 0.2% chance of occurring in any given year (P e =0.002); etc. The percent chance of an X-year flood occurring in a single year is 100/X. A similar analysis is commonly applied to coastal flooding or rainfall data.
A map of towns which reported damage. Not all of these damage areas were definitely tornadic, and some tornadoes hit more than one town. [4] [5]Between 1953 and 2004, there was an average of one tornado per year within the Connecticut.
That’s a storm that NOAA says has a one-in-500 chance of happening in a given year. Floyd dropped 18.30 inches of rain on Southport in 1999, while Florence’s 31.26 inches of rain over four ...
Then the storm, juiced by the water it absorbed on its own trip through the Gulf, delivered more rain. Over three days, rain amounts of 6 inches to 30 inches or more fell across a region from ...
As Tropical Storm Hilary battered the West Coast and the southwestern U.S. with rain and flash flooding, four states — Idaho, Montana, Nevada and Oregon — broke their rainfall records ...
During the most intense rainfall on the evening of April 12, rainfall rates exceeded 3–4 in (76–102 mm) per hour, comparable to the average April rainfall total; [20] [22] the extreme rainfall rates were at the level of a 1-in-1000 year event. [20] Rainfall amounts tapered to the south, with totals of 3–5 in (76–127 mm) in Miami proper ...
A city on Florida's west coast was hit by a record-breaking 8 inches of rain in just three hours on ... 5 p.m. and 8 p.m. in Sarasota that it should only be expected every 500 to 1,000 years.
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