Flash Flood in Alachua County, Florida
Flash Flood September 1, 2023 · Alachua County, Florida
Where the report was made, with tornadoes recorded within 15 miles over the years.
What the National Weather Service wrote
Street flooding was first reported around 2:46 pm near Main Street and near the 500 block of 32rd Avenue in Gainesville. A mesonet station about 2 miles SE of Gainesville measured 2.8 inches of rainfall in one hour at 2:45 pm. At 3:14 pm, Fire Rescue reported flash flooding was developing along NW 23rd Avenue in Gainesville. At 3:16 pm, at public weather station measured around 4.5 inches of rainfall about 1 mile SE of Gainesville since 1:45 pm. At 3:35 pm, a CoCoRaHS station about 2 miles SE of Gainesville measured 4.47 inches since 1:52 pm which created flooding conditions. By 4 pm, the county 911 dispatch center reported several roads within about a 10 block radius in Gainesville experienced significant flash flooding. There were some road closures at the time of the report.
The wider storm
A wake trough in trailing the departure of Hurricane Idalia lingering across NE FL. This feature combined with high tropical moisture, diurnal instability and the inland progressing west coast sea breeze produced localized heavy, flooding rainfall.
Began near Gainesville West (29.6587, -82.3408).
Source: NOAA Storm Events Database, event 1129979. Narratives are written by the National Weather Service forecast office that issued the report.
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