RICHMOND, Va. (WRIC) -- Both flood and flash flood warnings have been issued for several Central Virginia counties, according to the National Weather Service (NWS). A flood warning means that flooding is expected in a given area due to excessive rainfall. A flash flood warning is similar, but indicates that the flooding will happen far more quickly. The following Central Virginia areas are under a flash flood warning until around 6:15 p.m. on Friday, Sept. 27: Greensville County The following Central Virginia areas are under a flash flood warning until 7:15 p.m. on Friday: Charles City County Prince George County Sussex County The following Central Virginia areas are under a flood warning until around 7 p.m. on Friday: Albemarle County Greene County Additionally, these coastal areas are under a separate coastal flood warning until 4 a.m. Saturday: Essex County Northumberland County Richmond County The NWS advises those in the areas listed above to take necessary actions to protect flood-prone property. If travel is required, drivers are advised not to navigate around barricades or through water of unknown depth -- "Turn around, don't drown."