Hurricane Three (1940)

The 1940 South Carolina hurricane was a Category 2 hurricane that struck the Georgia and South Carolina coast between August 11 and 12, 1940. After forming north of the Leeward Islands, the storm moved west-northwest, moving east of the Bahamas before resuming a west-northwest track towards the Southeastern United States. Hurricane warnings were in effect for the United States coastline near and north of where the center made landfall. A 13-foot storm tide was measured along the South Carolina coast, while over of rain fell across northern North Carolina. Significant flooding and landslides struck Georgia, North Carolina, Tennessee, and Virginia during the system's slow trek as a weakening tropical storm, and then as an extratropical cyclone, through the Southeast. The landslides which struck North Carolina were considered a once in a century event. Damages relating to the storm totaled $13 million (1940 USD) and 50 people perished.

Meteorological history

Morning weather charts detected a "slight" disturbance between St. Martin and St. Thomas on August 5. Around 18:00  UTC that day, a tropical depression developed about west-northwest of Anegada in the British Virgin Islands.

The storm moved moving west-northwest near the Mona Passage, bringing squalls of to San Juan, Puerto Rico. On August 6, the developing storm was near the southeastern Bahamas, bringing moderate to rough seas. The cyclone turned northward after its close approach to the southeastern Bahamas. By August 10 a ship reported that winds were hurricane force. In the afternoon of August 11, the hurricane made landfall near Beaufort, South Carolina where it moved inland and turned just northeast of Savannah, Georgia between 5 and 6 p.m. on the same day. Savannah's wind peaked at and the pressure fell to . It was the area's worst storm in 29 years. Hurricane-force winds were witnessed between Savannah and Charleston. Weakening into a tropical storm that evening, for the next four or five days the storm meandered inland as a weak tropical storm before evolving into an extratropical cyclone on the evening of August 14.

Preparations and impact

From August 7 and 9, small craft were advised to exercise caution over the eastern Bahamas and western subtropical Atlantic Ocean as the system approached the region. By 9:30 a.m. on August 10, small craft warnings were in effect for the extreme northern Bahamas, and along the United States coast from Miami, Florida to Cape Hatteras, North Carolina. By the morning of August 11, storm warnings were in effect from Wilmington, North Carolina northward to Cape Hatteras and from Savannah, Georgia to Fernandina Beach, Florida. Hurricane warnings were in effect from Savannah northward to Wilmington. All coastal warnings were dropped by August 12.

A storm tide of was measured along the coast of South Carolina. The cyclone inflicted $1.5 million in damage in Charleston, South Carolina, while Savannah, Georgia received $1 million in damage. Damage to the country's coastline totaled $3 million (1940 USD). Two people at Savannah died, one of whom from heart failure due to fright. Near the point of landfall, a total of of rainfall fell at Beaufort, South Carolina within a 24-hour period. The highest reported rainfall amount in Georgia was recorded was one mile east of Louisville while the highest amount in South Carolina was reported from Charleston, where fell. On the coastal areas where the hurricane hit, there was a considerable loss of life. Early press reports said that 35 had died. According to the Monthly Weather Review, the deaths were low because of hurricane warnings and evacuations. However, modern sources indicate that 50 people died during this storm.

After leaving the coast, the dissipating storm brought heavy rains that sparked disastrous flash floods. The floods inundated much of Tennessee, the Carolinas and northern Georgia. Rainfall amounts across western North Carolina exceeded , with the highest amount recorded at Idlewild, where fell. Landslides were common in the mountains of western North Carolina, where it is considered a once in over 100 year landslide event. The East Tennessee and Western North Carolina railroad line was severed so badly it ceased operation. The peak discharge of the flood along Wilson Creek near Adako, North Carolina was estimated at . A total of 26 perished during the Deep Gap Debris Flow in Watauga County, North Carolina

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