Flood advisory issued for Hilton Head Island after rainfall Emergency Information 0.13 inches of precipitation fail yesterday, which brings the monthly total to 4.83 inches. This is 0.80 inches above the normal amount of 4.03 inches for July. The total precipitation for the year now stands at 25.73 inches, which is 1.54 inches below normal. There were 22 cooling degree days yesterday, which is far above normal. This brings the monthly total to 427, which is 33 above normal. The yearly total since January 1st is 1,527, which is 217 above normal. Yesterday the maximum wind observed was 18 miles an hour from the southeast. The highest wind gust observed was 24 miles per hour from the southeast. Flood advisory in effect until 11 a.m. Eastern daylight time this morning. What? Flooding caused by excessive rainfall is expected. Where, a portion of southeast South Carolina, including the following county, Dewford. When, until 11 a.m. Eastern daylight time. Impacts, overflowing poor drainage areas. Additional details, at 9.m. a.m. Eastern daylight time, Doppler radar indicated heavy rain due to thunderstorms. Minor flooding is ongoing or expected to begin shortly in the advisory area. Between 3 and 5 inches of rain have fallen. Additional rainfall amounts up to 2 inches are expected over the area. This additional rain will result in minor flooding. Some locations that will experience flooding include Hilton Head Island, Forest Beach, Hilton Head Airport, Folly Field, Wilton Graves Bridge, Karyalbauer's Bridge, Shelter Cove, Lawton, Calabogi K&C Pines. Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Water spouts possible across the near shore waters of Georgia and South Carolina this morning. Doppler radar detected scattered showers across the near shore Georgia and South Carolina Atlantic waters this morning. These showers were developing in an environment suitable for water spout formation. Mariners and those along the coast should be aware that brief water spouts may develop this morning, especially in the vicinity of showers. Conditions should become less supportive for water spouts by mid-morning. If water spouts occur, move your boat away from the water spout. Remember that water spouts can develop rapidly and produce winds and seas that are dangerous for vessels and everyone on board. Report water spouts via social media or by calling the National Weather Service at 1-888-383-2024.
