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So rare was Tuesday's rain between 5 p.m. and 8 p.m. in Sarasota that it should only be expected every 500 to 1,000 years. The Tampa Bay area can normally expect 7.3 inches in the entire month of ...
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.
Rainfall accumulations across the Carolinas and surrounding states from October 1–4, ending at 6:24 p.m. EDT (22:24 UTC). Areas in white indicate accumulations in excess of 20 in (510 mm). Rainfall across parts of South Carolina reached 500-year event levels, [13] with areas near Columbia experiencing a 1-in-1000 year event. [14]
As much as 356 mm (14 in) of rain fell over north Kauai, forcing the closure of Kuhio Highway at the Hanalei Bridge for the second time in 24 hours. 150–255 mm (6–10 in)of rain fell upon the southeast-facing slopes of the Big Island causing numerous road closures in Hilo. North and east Kauai received 200–300 mm (8–12 in) of rain over a ...
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 ...
In the aftermath of Tropical Storm Helene, hotels countywide saw a 9-percent year-over-year increase in lodging occupancy. Hotels outside of downtown were the largest recipients of those filled ...
During El Niño events, precipitation averages about 10 percent above normal, while La Niña events lead to precipitation amounts which average close to 10 percent below normal. [79] Pago Pago harbor in American Samoa has the highest annual rainfall of any harbor in the world. [80] This is due to the nearby Rainmaker Mountain. [80]
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 ...