Heavy Rain — Bamberg, South Carolina

2017-09-11 to 2017-09-12 · near Denmark, Bamberg, South Carolina

Event narrative

CoCoRaHS observer measured a total rainfall amount of 6.80 inches 3 miles WNW of Denmark.

Wider weather episode

Irma made landfall in south Florida as a category 4 hurricane on Sunday, September 10th, then moved north up the Florida peninsula during the day and night while gradually weakening. Irma weakened to Tropical Storm status while over north Florida Monday morning September 11th, and shifted NW over SW Georgia and into Alabama through Monday night while weakening to a Depression. Copious rainfall amounts associated with the cyclone occurred across the Central Savannah River Area (CSRA) of GA and the Midlands of SC, which generally fell from late Sunday night, through Monday and Monday night the 11th, and into the early morning hours of Tuesday the 12th. In addition, the pressure gradient between the cyclone to our SW, and high pressure to our north, provided strong wind gusts over the region as well which downed numerous trees. The strongest wind gusts occurred Monday afternoon Sept 11th.

View location on OpenStreetMap → (33.3366, -81.1980)

Source: NOAA Storm Events Database, event_id 723131. Narrative written by the NWS forecast office that issued the report.